Climate and monthly weather forecastCary, NC
Climate and monthly weather forecast
The climate of Cary
Cary, North Carolina, USA, experiences a Humid subtropical climate, classified as Cfa according to the Köppen climate classification, with no designated dry season. Geographically situated inland, away from the coastal region, the town experiences moderate conditions throughout the year. Weather in Cary can be characterized by moderately hot summers and mild winters, with rainfall evenly distributed across the year.Average high temperatures range from 48°F (8.9°C) in January, the coldest month, to 89.8°F (32.1°C) in July, the warmest. Average lows register between 32.5°F (0.3°C) in January to 70.9°F (21.6°C) in July. Humidity stays relatively constant throughout the year, with only a modest variation between 71 to 76%.
Rainfall averages vary from 2.17" (55mm) in October to a peak of 3.15" (80mm) in May. There is a relatively balanced distribution of days with rainfall, with the highest number in May (17.7 days) and the lowest in November (9.1 days). Meanwhile, snowfall is almost exclusively reserved for the colder months, from November to February, reaching a peak of 1.61" (41mm) in January.
Daylight hours are longest in June with 14.6 hours and shortest in December with 9.8 hours. Sunshine hours also vary through the year, reaching a high of 10.8 hours a day in July and a low of 5.5 hours a day in December. The UV Index peaks at 7 during July, indicating a high risk of harm from unprotected sun exposure for the average person.
The best time to visit Cary
The best time to visit Cary is between April and June, when the weather is pleasantly warm and the city is in full bloom. During this period, high temperatures range from 70.5°F (21.4°C) to 86°F (30°C), while low temperatures vary from 52°F (11.1°C) to 67.5°F (19.7°C). The daylight hours extend up to 14.1 to 14.6 hours, giving visitors ample opportunity to explore.The worst time to visit Cary
The less desirable time to visit Cary is in the winter months of December through February, with average high temperatures from 48°F (8.9°C) to 59.2°F (15.1°C) and lows dropping to between 32.5°F (0.3°C) and 42.1°F (5.6°C). Additionally, these months record the lowest daylight hours, reducing the window for outdoor activities.Spring weather in Cary
Spring temperatures in Cary see a shift from 52.9°F (11.6°C) to 70.5°F (21.4°C) between February and April, while lows rise from 35.8°F (2.1°C) to 52Degrees Fahrenheit. Rainfall in these months ranges between 2.28" (58mm) to 2.56" (65mm) with about 11.7 to 14.7 days of rainfall.Summer weather in Cary
Summers in Cary from May to July witness high temperatures from 78.6°F (25.9°C) to 89.8°F (32.1°C). The lows range between 60.3°F (15.7°C) and 70.9°F (21.6°C), while rainfall is between 2.91" (74mm) and 3.15" (80mm), resulting in about 15.4 to 17.7 days of rainfall.Autumn weather in Cary
Autumn in Cary sees a reduction in temperatures from highs of 81.9°F (27.7°C) in September to 70.7°F (21.5°C) in October and lows fluctuating between 63.9°F (17.7°C) to 53.2°F (11.8°C). Rainfall is comparatively lower, ranging from 2.17" (55mm) to 2.36" (60mm), with about 10 to 12.5 rainy days in these months.Winter weather in Cary
Winter in Cary is mild compared to other parts of the USA. High temperatures range from 59.4°F (15.2°C) in November to 48°F (8.9°C) in January. The lows range between 38.1°F (3.4°C) and 42.3°F (5.7°C), with snowfall recording the highest in January at 1.61" (41mm). Rainfall ranges from 2.56" (65mm) to 2.76" (70mm), and the days with rain remain relatively low, from 9.1 in November to 11.1 days in December.Weather in January
Commencing the year, temperatures in Cary, North Carolina start to rise slightly from the freezing point. Nonetheless, January still records the coldest temperature than any other month with the highest and lowest temperature ranging between 48°F (8.9°C) to 32.5°F (0.3°C). Weather in January »Weather in February
February sees further increase in temperature as Cary transitions from the coldest month, with a notable increase in sunshine hours as well. The month witnesses a slight increase in rainfall, standing at 2.28" (58mm) over 11.7 days of rainfall. Weather in February »Weather in March
March signals the commencement of spring season in Cary, with significant increase in temperature and daylight hours. Interestingly, the month reports 2.48" (63mm) of rainfall spread over 14.3 days, which is comparatively higher, amplifying humidity levels. Weather in March »Weather in April
April heralds warmer weather than previous months as daylight hours continue to extend. April's unique feature is its highest recorded wind speed, averaging 7.8mph (12.6km/h) over the course of the month. Increased temperatures result in a pleasant and comfortable scenario for engaging in outdoor activities. Weather in April »Weather in May
The weather during May in Cary, tends to be mild and comfortable, marking the arrival of consistent warm weather. This month records the highest level of rainfall at 3.15" (80mm), spread over 17.7 days. The moderate temperatures combined with extended daylight hours, make May an ideal month for various outdoor activities such as hiking, biking and gardening. Weather in May »Weather in June
June ushers in the summer season with a noticeable rise in temperature. Despite recording 2.91" (74mm) of rainfall, June showcases a relatively lower humidity of 72% compared to other months. Warmer temperatures and longer days are welcoming for a myriad of outdoor activities, including beach visits due to close proximity of Cary to North Carolina's coast. Weather in June »Weather in July
July is the height of summer in Cary as it exhibits the highest temperature at 89.8°F (32.1°C). The average UV index for the month is at its peak of the year at 7, urging residents to be cautious and use sunscreen. The propensity of thunderstorm activity increases, specifically in the afternoons and evenings. Weather in July »Weather in August
As summer proceeds to its last stages, August displays marginally lower temperatures than July in Cary. Those who are heat intolerant may find relief in August's increased rainfall amounting to 2.99" (76mm). Beach visits are common due to the warm temperatures and extended daylight hours. Weather in August »Weather in September
In September, the soothing signs of autumn start to manifest in Cary, with a decrease in temperature and daylight hours. September, much like the preceding month, records an average of 2.36" (60mm) of rainfall spread over 12.5 days. Weather in September »Weather in October
October in Cary is dominated by clear crisp days with mild temperatures. Compared to September, rainfall reduces to 2.17" (55mm), making it one of the driest months. Although humidity lingers, cooler temperatures make the weather feel quite agreeable. Weather in October »Weather in November
As we land into November, the autumn season begins its transition into winter in Cary, with notable reduction in temperature. With a comparative increase in rainfall to 2.76" (70mm), the month becomes another reason to appreciate the rainfall gear. Weather in November »Weather in December
December carries winter into full swing in Cary, with temperatures dropping to as low as 38.1°F (3.4°C). The month registers a small amount of snowfall at 0.67" (17mm), bringing a festive touch to the holiday season. The drop in temperature accompanied by colder winds make winter apparels a necessity. Weather in December »Updated: Aug 16, 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
January, noted for its average high-temperature of 48°F (8.9°C) and an average low-temperature of 32.5°F (0.3°C), is considered the coldest month.
Throughout the year, there are 161.9 rainfall days, and 31.18" (792mm) of precipitation is accumulated.
January through March, November and December are months with snowfall.
January is the month with the most snowfall. Snow falls for 1.6 days and accumulates 1.61" (41mm) of snow.
Throughout the year, there are 5.9 snowfall days, and 4.37" (111mm) of snow is accumulated.
January is the month with the lowest UV index, with an average maximum UV index of 2.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 in Cary.
The month with the most rainfall is May, when the rain falls for 17.7 days and typically aggregates up to 3.15" (80mm) of precipitation.
The month with the longest days is June, with an average of 14h and 30min of daylight.
July is the month when Cary's temperatures reach their peak, with averages of 89.8°F (32.1°C) and lows of 70.9°F (21.6°C).
With an average relative humidity of 71%, July is the least humid month.
With an average of 10.8h of sunshine, July has the most sunshine of the year.
With an average maximum UV index of 7, July is the month with the highest UV index.
The month with the least rainfall is October, when the rain falls for 10 days and typically collects 2.17" (55mm) of precipitation.
December is the most humid month, with an average relative humidity of 76%.
December has the shortest days of the year, with an average of 9h and 48min of daylight.
With an average of 5.5h of sunshine, December has the least sunshine of the year.
Average temperature
Cary, NC
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (48°F).
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure
Cary, NC
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed
Cary, NC
- Average wind speed in January:
7mph - Average wind speed in February:
7.4mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.4mph - Average wind speed in November:
6.5mph - Average wind speed in December:
6.4mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Cary, NC
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (71%).
Average rainfall
Cary, NC
- Average rainfall in January:
2.28" - Average rainfall in February:
2.28" - Average rainfall in March:
2.48" - Average rainfall in April:
2.56" - Average rainfall in May:
3.15" - Average rainfall in June:
2.91"
- Average rainfall in July:
2.68" - Average rainfall in August:
2.99" - Average rainfall in September:
2.36" - Average rainfall in October:
2.17" - Average rainfall in November:
2.76" - Average rainfall in December:
2.56"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days
Cary, NC
- Average rainfall days in January:
11.1 days - Average rainfall days in February:
11.7 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (9.1 days).
Average snowfall
Cary, NC
The month with the highest snowfall is January (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Cary, NC
- Average snowfall days in January:
1.6 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
1 days - Average snowfall days in April:
0 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:
0.2 days - Average snowfall days in December:
0.8 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Cary, NC
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
5h and 36min - Average sunshine in February:
5h and 54min - Average sunshine in March:
7h and 12min - Average sunshine in April:
9h and 30min - Average sunshine in May:
9h and 36min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
Cary, NC
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Cary, NC
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
Cary, NC
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility
Cary, NC
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).
