Climate and monthly weather forecastAlabaster, AL
Climate and monthly weather forecast
The climate of Alabaster
Alabaster, Alabama sits comfortably within the Humid Subtropical climate category according to the Köppen climate classification. This particular classification, identified as Cfa, is characterized by having no dry season. This implies a fair amount of rainfall throughout the year, which holds accurate for Alabaster with precipitation seen in each month varying from a slightly lower range of 1.26" (32mm) to a higher extent of 2.52" (64mm).The yearly weather cycle in Alabaster displays considerable fluctuations as relative humidity swings between 71% and 80%. In relation to temperature, a disparity is witnessed from a low of 36.3°F (2.4°C) to a high of 90.3°F (32.4°C). This variance reflects a transition from cooler winter months to typically warmer summer periods. Visibility remains constant throughout the year with a stable value of 6 miles. The wind flow in Alabaster doesn't show notable fluctuations, with average wind speeds hovering from 4.4mph (7.1km/h) to 7.3mph (11.7km/h).
The unique meteorological pattern in Alabaster is its lack of snowfall from March through to November. In contrast, December and January show minimal snow activity with December marking the highest snowfall at 0.47" (12mm). Furthermore, sunlight exposure sees fluctuations, with the longest daylight experienced in June at 14.3 hours, gradually tapering to its nadir of 10 hours by December.
The best time to visit Alabaster
May to September presents the perfect opportunity for visitors to experience Alabaster, Alabama. During this period, the daylight hours stretch to between 13 and 14.3 hours, offering ample time to explore the city. Additionally, the highest temperatures are recorded, which oscillates in the spectrum of 74.1°F (23.4°C) to 90.3°F (32.4°C), presenting a warm context ideal for outdoor activities.The worst time to visit Alabaster
Travelers might want to avoid Alabaster during the months of June, July, and August. The city registers its highest rainfall during this timeframe, reaching up to 2.52" (64mm) of precipitation in August. Coupled with this is the high relative humidity, which hits a yearly peak of 74%, contributing to considerable discomfort.Spring weather in Alabaster
Spring in Alabaster runs from March, April to May. Temperatures steadily escalate during this period, with figures varying from 46.9°F (8.3°C) to 64.8°F (18.2°C) in March and eventually shooting up to 81.5°F (27.5°C) by May. Sunshine hours also see a progressive increase from 6.5 hours in March to 10.2 hours in May, and monthly rainfall sits within the range of 2.05 to 2.2" (56mm).Summer weather in Alabaster
Summer in Alabaster encapsulates the months between June and August. Notably, daylight hours hit their peak during this season at 14.3 hours. High temperatures typically persist within the 88.9°F (31.6°C) and 90.3°F (32.4°C), suggesting a generally warm ambience. Ample sunshine is provided with an average spread from 10.2 hours to 10.6 hours. However, this season marks high precipitation values, peaking at 2.52" (64mm) in August.Autumn weather in Alabaster
Autumn weather, experienced from September to November, is marked by declining temperatures. High temperatures gradually drop from 85.5°F (29.7°C) in September to 62.8°F (17.1°C) in November, while low temperatures fall from 65.7°F (18.7°C) to 44.2°F (6.8°C). Sunshine hours and daylight hours also reduce during this season, with sunlight diminishing to 5.9 hours and daylight hours shrinking to 10.5 hours.Winter weather in Alabaster
Winters in Alabaster commence in December and last till February. While snowfall is infrequent, December has the highest amount, recording an average of 0.47" (12mm). The temperatures during the season dip significantly with high temperatures fluctuating between 51.4°F (10.8°C) and 55.2°F (12.9°C) while low temperatures range from 36.3°F (2.4°C) to 40.8°F (4.9°C). Lower daylight times of 10 hours to 11 hours are observed, and the sunshine hours shrink to 4.9 hours to 5.3 hours.Weather in January
January in Alabaster, Alabama, begins the year with chilly temperatures, often experiencing relatively high levels of cloud cover. Highs from 51.4°F (10.8°C) underscore the brisk weather in the city. Although not the coldest month, it marks a distinct shift from the comparatively milder climate in December. Weather in January »Weather in February
February brings a noticeable transition in Alabaster with winter yielding somewhat to advancing spring. This transition is not dramatic, as temperatures remain quite similar to those in January. The month, however, receives slightly more rainfall, which can add to the atmospheric humidity. Weather in February »Weather in March
March observes a transition toward slightly warmer conditions over February in Alabaster. The use of thick winter clothing becomes less frequent as temperatures continue to climb. This time of year sees shifts in weather patters, with rain being fairly common. Weather in March »Weather in April
Moving into April, Alabaster starts to shake off the chill of winter completely. Early signs of summer creep in as warmer weather marks this month. It is not uncommon to see increased outdoor activities during this time of the year. Weather in April »Weather in May
May ushers in the true start of the warmer season in Alabaster. An increase in warmth is noticeable as the highest temperature starts to hover around 81.5°F (27.5°C), initiating summertime. Decorative clouds adorn the Alabaster skies often during this month. Weather in May »Weather in June
June is a month of contrasts in Alabaster, marked by the longest daylight hours of 14.3h and the start of peak summer heat. The days have been growing longer since the winter solstice, culminating in June’s summer solstice. June is not just about the sun though, as it also brings quite significant rainfall, alternating sunny hours with showers. Weather in June »Weather in July
July is the warmest month of the year in Alabaster, with high temperatures soaring to a hot 90.3°F (32.4°C). Despite the perceived discomfort, this time of year carries its own charm. Extended hours of sunshine continue to dominate the sky, fostering a vibrant ambiance. Weather in July »Weather in August
August in Alabaster comes with a continuation of the hot weather conditions experienced in July. Nonetheless, this period prepares locals for the upcoming transition to milder temperatures in the following months — a welcome relief for many. Weather in August »Weather in September
September is a month of discernible change in Alabaster, a noticeable departure from August’s high summer temperatures. A significant decrease in heat marks the start of the fall season. Accompanied by dropping temperatures, September brings more comfortable weather conditions, encouraging locals to get outside. Weather in September »Weather in October
In October, Alabaster fully embraces the fall season. This month's weather is much cooler compared to the sweltering summer months, providing a welcome respite to the locals. An increase in wind speed is seen during this month, adding a brisk feel to the air. Weather in October »Weather in November
November in Alabaster ushers in the late fall season, transitioning toward winter. The brisk fall weather gives way to cooler temperatures, paving the way for winter's approach. As the daylight hours continue to shrink, evenings start earlier, hinting at the impending winter chill. Weather in November »Weather in December
December in Alabaster announces the arrival of winter and the end of the calendar year. With an average low of 40.5°F (4.7°C), winter makes its presence felt in full swing. Compared to November, the daylight hours are shorter, making them precious for those who venture out. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Alabaster, AL
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).
Average pressure
Alabaster, AL
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed
Alabaster, AL
- Average wind speed in January:
7.3mph - Average wind speed in February:
7.3mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.1mph - Average wind speed in May:
5.7mph - Average wind speed in June:
4.7mph
- Average wind speed in July:
4.4mph - Average wind speed in August:
4.4mph - Average wind speed in September:
5mph - Average wind speed in October:
6mph - Average wind speed in November:
6.6mph - Average wind speed in December:
7.1mph
The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).
Average humidity
Alabaster, AL
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Alabaster, AL
- Average rainfall in January:
1.81" - Average rainfall in February:
2.13" - Average rainfall in March:
2.05" - Average rainfall in April:
2.2" - Average rainfall in May:
1.77" - Average rainfall in June:
2.4"
- Average rainfall in July:
2.17" - Average rainfall in August:
2.52" - Average rainfall in September:
1.26" - Average rainfall in October:
1.26" - Average rainfall in November:
1.54" - Average rainfall in December:
2.01"
The wettest month (with the highest rainfall) is August (2.52").
The driest months (with the least rainfall) are September and October (1.26").
Average rainfall days
Alabaster, AL
- Average rainfall days in January:
9.6 days - Average rainfall days in February:
10.5 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
10.3 days - Average rainfall days in May:
12.4 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
19.7 days - Average rainfall days in August:
18.8 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
8.3 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (6.7 days).
Average snowfall
Alabaster, AL
The month with the highest snowfall is December (0.47").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Alabaster, AL
- Average snowfall days in January:
1 days - Average snowfall days in February:
0.8 days - Average snowfall days in March:
0.2 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:
0.1 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 April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Alabaster, AL
- 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 18min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 30min - Average sunshine in April:
9h and 30min - Average sunshine in May:
10h and 12min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 0min - Average sunshine in October:
7h and 30min - Average sunshine in November:
5h and 54min - Average sunshine in December:
4h and 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days
Alabaster, AL
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
15.7 days - Average sunshine days in March:
17 days - Average sunshine days in April:
18.2 days - Average sunshine days in May:
16.3 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
9.8 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
21.6 days - Average sunshine days in November:
21.9 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (9 days).
Average UV index
Alabaster, AL
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
Alabaster, AL
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility
Alabaster, AL
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).





