Climate and monthly weather forecastGriffin, GA
Climate and monthly weather forecast
The climate of Griffin
According to the Köppen climate classification, the climate in Griffin, Georgia, is categorized as Cfa, which translates to a humid subtropical climate with no dry season. Griffin is characterized by a predominantly mild yet humid climate due to its geographical positioning in the southeastern region of the United States. The temperature varies from 36.1°F (2.3°C) to 90°F (32.2°C) as the year progresses, reflecting the distinctive seasons. The relative humidity levels hover between 72% to 78% throughout the year, contributing to the overall moderate weather.Precipitation patterns in Griffin also exhibit variability. For instance, the months of July and August see the maximum rainfall in the year, with levels reaching 4.53" (115mm) and 4.61" (117mm) respectively. The month receiving the least rainfall is October with about 2.09" (53mm). In terms of snowy days, they are very few, largely restricted to the colder months with a measly 0.47" (12mm) in January and minimal amounts in March and December.
Sunlight exposure fluctuates noticeably, reaching its peak in June with 14.3 daylight hours, and dipping to the shortest day length of 10 hours in December. The city enjoys ample sunshine, with 10.6 sunshine hours in July and comparatively lesser but still robust sunshine hours in winter months. With the ambient pressure measuring between 29.99 in and 30.16 in, wind speeds varying from just 4.4mph (7.1km/h) to 7.7mph (12.4km/h) in different months, Griffin's weather creates a cohesive, mild environment.
The best time to visit Griffin
Weather preferences can be subjective, varying from visitor to visitor. However, considering average temperatures, comfortable humidity levels, and rainfall patterns, a period from March to May appears most suitable for visiting Griffin. Within this window, temperatures range from 45.5°F (7.5°C) to 73.6°F (23.1°C), coupled with average relative humidity levels and well-managed rainfall of up to 3.54" (90mm). The richness of sunshine ranging from 7.1 to 10 hours per day is another highlight during these months.The worst time to visit Griffin
On the contrary, the least favorable period to visit Griffin would be during the damp and sweltering summer months from June to August. The temperatures soar to 90°F (32.2°C), along with high humidity levels typically around 74%. Rainfall also reaches its year's peak, measuring 4.53" (115mm) and 4.61" (117mm) in July and August respectively. Further, with relatively lower wind speeds, the absence of natural cooling can lead to discomfort.Spring weather in Griffin
Griffin's spring season manifests a marked transition from the chill of winter to the warmth of summer. This season, extending from March through May, experiences an elevation in temperatures, shifting from 45.5°F (7.5°C) in March to 73.6°F (23.1°C) in May. During this time, the daylight hours steadily increase, offering more sunshine to residents and visitors alike. The city faces rainfall of between 2.76" (70mm) to 3.54" (90mm). This period also sees relatively stable wind conditions, with speeds transitioning gradually from 7.3mph (11.7km/h) to 5.7mph (9.2km/h).Summer weather in Griffin
Summer is significantly warm and humid in Griffin. The temperature peaks in the months of July and August with highs of 90°F (32.2°C) and 88.5°F (31.4°C) respectively, underlining the city’s subtropical climate. The humidity remains quite constant throughout the summer, averaging 74%. The season is also characterized by the maximum rainfall of the year, with July recording 4.53" (115mm). Nonetheless, the abundant sunshine hours and extended daylight render the days vibrant and lively.Autumn weather in Griffin
In Griffin, autumn spans from September to November. During these months, the city experiences a gradual decline in temperatures, reducing from 84°F (28.9°C) in September to 62.1°F (16.7°C) in November. Precipitation undergoes a significant decrease, from 2.44" (62mm) in September, reaching the minimum annual level of 2.09" (53mm) in October, before rising slightly to 2.56" (65mm) in November. Despite the reduction in daylight hours, the city is bathed in appreciable sunshine, making the autumn months pleasantly refreshing.Winter weather in Griffin
Winter in Griffin is characterized by low temperatures, with the coldest months of December and January recording averages of 40.5°F (4.7°C) and 36.1°F (2.3°C) respectively. The amount of rainfall sees an upward trend, increasing to 4.06" (103mm) in December. Notably, the frequency of snowfall is minimal with barely 0.08" (2mm) in December and 0.47" (12mm) in January. Alongside, the wind speed peaks during these months, adding to the perception of lowered temperatures. While daylight hours reduce to their yearly low in December, the presence of sunshine creates a balance, making the winter season in Griffin manageable and significant in its own way.Weather in January
January in Griffin, Georgia marks the beginning of the new year with fairly cool temperatures. Slight shifts occur in weather patterns from the previous month, December, as the average high and low temperatures settle at 52.2°F (11.2°C) and 36.1°F (2.3°C) respectively. Weather in January »Weather in February
February, being the final stretch of winter, brings about slightly warmer temperatures than January. On average, the high reaches 56.8°F (13.8°C), and the low hovers around 39.7°F (4.3°C). The city's ambient moisture levels show an increase along with temperatures, evidencing the slow but sure approach of spring. Weather in February »Weather in March
As Griffin, Georgia moves into March, signs of spring become apparent. More significant changes occur in the weather patterns with the high average temperature stretching to 64.4°F (18°C) and the low average at 45.5°F (7.5°C). Weather in March »Weather in April
April in Griffin, Georgia showcases a striking rise in high-average temperatures, reaching 73.6°F (23.1°C), and the low-average temperature gauging at 53.4°F (11.9°C). This month brings about a prominently sunny environment, setting the stage for the quickly approaching summer season. Weather in April »Weather in May
The month of May illustrates major changes in Griffin, Georgia's weather patterns. High temperatures escalate impressively to mark an 81°F (27.2°C) average. A tangible uptick in moisture levels sets the stage for the onset of the humid summer season. Weather in May »Weather in June
In June, Griffin registers some of its highest temperatures and rainfall rates for the year. The average high temperature exhibits a noticeable increase, soaring to 87.8°F (31°C). Nevertheless, June is a perfect balance of lingering heat and welcomed rain, making it conducive for outdoor activities between showers. Weather in June »Weather in July
July typically registers as the hottest month of the year in Griffin, Georgia with the high temperature hitting an impressive 90°F (32.2°C). Pleasantly warmer nights and the almost persistent hum of cicadas epitomize July's balmy weather pattern. Weather in July »Weather in August
In August, although the average maximum temperature dips slightly to 88.5°F (31.4°C), it remains a characteristically warm month in Griffin, Georgia. A late summer charm envelops the city throughout this phase, affirmed by lesser daylight hours compared to July. Weather in August »Weather in September
September brings about a marked change in Griffin's weather with average high and low temperatures wavering around 84°F (28.9°C) and 65.5°F (18.6°C) respectively. The rhythm of fall begins to resonate, with temperatures dropping and daylight hours decreasing. Weather in September »Weather in October
October, typically representative of fall, sets a different tune in Griffin, Georgia. The weather in this period is characterized by lower average temperatures which range between 73.9°F (23.3°C) and 54.3°F (12.4°C). Leaves turning to shades of orange and crimson, coupled with fewer daylight hours, underline the onset of winter. Weather in October »Weather in November
The last month of the autumn, November, is comfortable month in Griffin, Georgia, with an average temperature ranging between min 44.2°F (6.8°C) and max 62.1°F (16.7°C). November brings a drop in Griffin's average high-temperature, falling from a moderately hot 73.9°F (23.3°C) in October to an enjoyable 62.1°F (16.7°C). Weather in November »Weather in December
December heralds the arrival of winter in Griffin, Georgia, with the coldest stretch impending. The average high and low temperatures for December settle at 55.2°F (12.9°C) and 40.5°F (4.7°C) respectively. While the nights are decidedly chilly, the days stay relatively cool and bearable, getting progressively colder towards the end of the month. Weather in December »Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Griffin, the average lowest temperatures are observed in January, with a high of 52.2°F (11.2°C) and a low of 36.1°F (2.3°C).
Throughout the year, there are 179.6 rainfall days, and 39.84" (1012mm) of precipitation is accumulated.
Months with snowfall are January through March, November and December.
The month with the most snowfall in Griffin, Georgia, is January, when snow falls for 1 days and typically aggregates up to 0.47" (12mm) of snow.
In Griffin, Georgia, during the entire year, snow falls for 2.7 days and aggregates up to 0.94" (24mm) of snow.
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Griffin.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Griffin, Georgia, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
April through October are months without snowfall.
June has the longest days of the year in Griffin, Georgia, with an average of 14h and 18min of daylight.
With an average maximum UV index of 7, June is the month with the highest UV index in Griffin.
In Griffin, July registers the highest temperatures, averaging 90°F (32.2°C) at the peak and 70.7°F (21.5°C) at the lowest.
The month with the most sunshine in Griffin, Georgia, is July, with an average of 10.6h of sunshine.
August is the month with the most rainfall. Rain falls for 21.2 days and accumulates 4.61" (117mm) of precipitation.
October and November, with an average relative humidity of 72%, are the least humid months in Griffin.
October is the month with the least rainfall in Griffin. Rain falls for 9.3 days and accumulates 2.09" (53mm) of precipitation.
December is the most humid month, with an average relative humidity of 78%.
The month with the shortest days in Griffin, Georgia, is December, with an average of 10h and 0min of daylight.
With an average of 5.1h of sunshine, December has the least sunshine of the year in Griffin.
Average temperature
Griffin, GA
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (52.2°F).
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure
Griffin, GA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed
Griffin, GA
- Average wind speed in January:
7.7mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7mph - Average wind speed in May:
5.7mph - Average wind speed in June:
4.9mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.4mph - Average wind speed in September:
4.8mph - Average wind speed in October:
6mph - Average wind speed in November:
6.5mph - Average wind speed in December:
7.1mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity
Griffin, GA
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall
Griffin, GA
- Average rainfall in January:
2.95" - Average rainfall in February:
3.31" - Average rainfall in March:
2.76" - Average rainfall in April:
3.54" - Average rainfall in May:
3.43" - Average rainfall in June:
3.58"
- Average rainfall in July:
4.53" - Average rainfall in August:
4.61" - Average rainfall in September:
2.44" - Average rainfall in October:
2.09" - Average rainfall in November:
2.56" - Average rainfall in December:
4.06"
The wettest month (with the highest rainfall) is August (4.61").
The driest month (with the least rainfall) is October (2.09").
Average rainfall days
Griffin, GA
- Average rainfall days in January:
12.3 days - Average rainfall days in February:
13 days - Average rainfall days in March:
15.3 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
19.3 days
- Average rainfall days in July:
22.6 days - Average rainfall days in August:
21.2 days - Average rainfall days in September:
13.8 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
13.4 days
The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is October (9.3 days).
Average snowfall
Griffin, GA
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Griffin, GA
- Average snowfall days in January:
1 days - Average snowfall days in February:
0.7 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.1 days - Average snowfall days in December:
0.5 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Griffin, GA
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
5h and 54min - Average sunshine in February:
6h and 42min - Average sunshine in March:
7h and 6min - Average sunshine in April:
8h and 30min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
9h and 24min - Average sunshine in September:
8h and 30min - Average sunshine in October:
7h and 6min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days
Griffin, GA
- Average sunshine days in January:
17.1 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
14 days - Average sunshine days in April:
15 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
8.9 days
- Average sunshine days in July:
7.4 days - Average sunshine days in August:
8.3 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
20.6 days - Average sunshine days in November:
19.2 days - Average sunshine days in December:
16.4 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (7.4 days).
Average UV index
Griffin, GA
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover
Griffin, GA
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June, September and October (Cloud cover 31).
Average visibility
Griffin, GA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
