Climate and monthly weather forecastCalera, AL
Climate and monthly weather forecast
The climate of Calera
Under the Köppen climate classification, Calera, Alabama, uniquely exists within a Humid subtropical zone, where there is no dry season throughout the year. Calera’s geographical location in the southeast USA contributes to this predominantly warm and moist climate. Monthly average temperature ranges from 36.3°F (2.4°C) in the coldest months to a soaring 90.3°F (32.4°C) at the height the summer season. With a relative humidity consistently above 70%, the atmosphere in Calera often feels muggy, amplifying the heat during the hotter months.Year-round, Calera receives a noteworthy amount of rainfall. Facilities receive between 1.26" (32mm) of rainfall in the drier months and a maximum of 2.52" (64mm) during the wettest periods. Precipitation is most frequent from June to August, and these months report up to 19.7 days of rainfall annually. However, the township experiences a snowfall of less than 0.5" (13mm) annually, which is seen from December until February.
Within the year, Calera enjoys a good amount of sunshine, where the length of daylight ranges from 10 hours during the winter solstice to about 14.3 hours during the summer solstice. On average, residents can expect to enjoy between 4.9 hours to 10.6 hours of actual sunshine on any given day. Peak UV index readings are recorded during June with a value of 7, while the lowest levels are observed during the winter months.
The Best Time to Visit Calera
From a climatic perspective, the optimal time to visit Calera is during the Spring and Fall months. During these periods, the temperatures are moderate, ranging from the mid-60s to low-80s°F, making it comfortable for outdoor activities. The rainfall is also less frequent as compared to the summer months, with between 8.3 and 12.4 days of precipitation per month during these times.The Worst Time to Visit Calera
The summer period, from June to August, might be the least favorable time to visit Calera. The temperature ascends to the 90s°F, and with high relative humidity levels, the weather can seem stiflingly hot. Furthermore, this period also sees the most rainfall, amplifying the discomfort.Spring Weather in Calera
Spring, extending from March to May, brings pleasantness to Calera with a welcome rise in temperature from the cooler winter months. The temperatures range from 46.9°F (8.3°C) during the early part of the season, climbing up to 81.5°F (27.5°C) by the end of May. There is a steady increase in daylight hours, resulting in an average of between 6.5 to 10.2 hours of sunshine per day. Rainfall during spring ranges from 2.05" (52mm) to 2.2" (56mm) per month, averaging between 10.3 to 12.4 days of rainfall.Summer Weather in Calera
Summer in Calera is best defined by its heat and humidity. Between June to August, temperature peaks, ranging from 88.9°F (31.6°C) to 90.3°F (32.4°C). Humidity also climbs to about 74%, making the days feel extremely humid. The summer months also observe the highest rainfall, with between 2.17" (55mm) to 2.52" (64mm) per month, and the excessive rainfall coupled with heat, results in prevalent high humidity conditions.Autumn Weather in Calera
Autumn, extending from September to November, sees a gradual decrease in temperature from 85.5°F (29.7°C) to mid 60s°F. This is also the time when the days start getting shorter with daylight ranging from 12.4 hours to 10.5 hours. Rainfall during this time gradually recedes down to 1.54" (39mm) in November.Winter Weather in Calera
Winter in Calera spans from December to February with temperatures dropping to between 36.3°F (2.4°C) and 55.2°F (12.9°C). The days are shorter and colder, averaging 10 hours of daylight. Rainfall records between 1.8 to 2.13" (54mm) and snowfall is occasional, peaking to about 0.47" (12mm) in December.Weather in January
January ushers in the New Year with cooler temperatures in Calera, Alabama. The cold can be felt with temperatures dropping to an average low of 36.3°F (2.4°C) nights. The month does appear less sunny when compared to the upcoming February, often leading to a dense layer of cloud cover. Weather in January »Weather in February
The weather in February in Calera, Alabama, marks the last of winter's reign. The temperature gradually begins to warm, reaching a comparatively higher average high of 57°F (13.9°C). On a contrasting note, the rainfall in February marginally increases from the previous month, implying a probability of wetter weather conditions. Weather in February »Weather in March
With the onset of March, Calera, Alabama, starts to experience truly the mirth of spring. An average high temperature of 64.8°F (18.2°C) makes it warmer than February. Rainy days are relatively frequent, presenting an unpredictable combination of sun and showers. Weather in March »Weather in April
April arrives in Calera, Alabama, with a promise of brighter and warmer days. An average high temperature of 74.1°F (23.4°C) ensures a continued gentle climb on the thermometer. Coupled with a slight increase in rainfall, the weather makes for perfect conditions for the flora to flourish. Weather in April »Weather in May
The transition from spring to summer initiates in Calera, Alabama, with the onset of May. An average high temperature of 81.5°F (27.5°C) marks this transition. The rainfall decreases, making the weather conditions more predictable and ideal for planning outdoor trips. Weather in May »Weather in June
June in Calera, Alabama, brings the intensity of summer. The temperatures notably rise, with high average temperatures reaching 88.9°F (31.6°C). However, this month also observes the highest number of rainfall days compared to the previous months, raising the humidity. Weather in June »Weather in July
In Calera, Alabama, July is a month of heat, reaching the highest average high temperature of the year at 90.3°F (32.4°C). The number of rainy days remains relatively high, indicating a characteristic mix of summer showers. Yet, the longer sunshine duration instills a clear summer vibe. Weather in July »Weather in August
August maintains the summer heat in Calera, Alabama, with average high temperatures close to July at 90.1°F (32.3°C). It also witnesses an increased number of rainy days, providing some respite from the memorable high temperatures. Weather in August »Weather in September
In Calera, Alabama, September welcomes the beginning of autumn. The average high temperature begins to decline to 85.5°F (29.7°C), marking an end to the rigorous summer heat. Lesser number of rainy days and a decreased cloud cover provide clear skies. Weather in September »Weather in October
October turns the weather significantly cooler in Calera, Alabama. The average high temperature continues to drop to 74.8°F (23.8°C). The reduction in cloudy days as compared to the previous month results in a pleasant weather condition. Weather in October »Weather in November
November in Calera, Alabama, sees a quick cool-down in temperature. It registers a moderate high average temperature of 62.8°F (17.1°C), considerably cooler than October. The rainfall remains comparatively low, implying a dry, cool atmosphere. Weather in November »Weather in December
Ending the year in Calera, Alabama, December brings back the winter chills. With an average high temperature of 55.2°F (12.9°C), it is colder than November. An increased number of cloudy days as compared with November provides a winter-like atmosphere. Weather in December »Updated: Jun 3, 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 is the month when Calera experiences its coldest temperatures, averaging a high of 51.4°F (10.8°C) and a low of 36.3°F (2.4°C).
In Calera, during the entire year, the rain falls for 148.8 days and collects up to 23.11" (587mm) of precipitation.
January, February and December are months with snowfall.
In Calera, during the entire year, snow falls for 2.6 days and aggregates up to 0.98" (25mm) of snow.
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3.
February and December, with an average of 4.9h of sunshine, are months with the least sunshine.
March through November are months without snowfall.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
The month with the longest days in Calera is June, with an average of 14h and 18min of daylight.
The months with the most sunshine are June and July, with an average of 10.6h of sunshine.
The month with the highest UV index is June, with an average maximum UV index of 7.
In Calera, July is identified by the average highest temperatures, reaching a peak of 90.3°F (32.4°C) and a low of 70.9°F (21.6°C).
The month with the most rainfall is August, when the rain falls for 18.8 days and typically aggregates up to 2.52" (64mm) of precipitation.
The months with the least rainfall are September and October Rain falls for 11.9 days and accumulates 1.26" (32mm) of rain.
With an average relative humidity of 71%, October is the least humid month.
The most humid month is December, with an average relative humidity of 80%.
December is the month with the most snowfall. Snow falls for 0.5 days and accumulates 0.47" (12mm) of snow.
The month with the shortest days is December, with an average of 10h and 0min of daylight.
Average temperature
Calera, 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
Calera, 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
Calera, 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
Calera, AL
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Calera, 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
Calera, 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
Calera, 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
Calera, 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
Calera, AL
- Average daylight in January:
10h and 18min - 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
Calera, 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
Calera, 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
Calera, 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
Calera, 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).
