Climate and monthly weather forecastJefferson, AL
Climate and monthly weather forecast
Weather in January
January, the same as December, is another fresh winter month in Jefferson, Alabama, with an average temperature ranging between min 38.3°F (3.5°C) and max 54.1°F (12.3°C). January, having an average high-temperature of 54.1°F (12.3°C) and an average low-temperature of 38.3°F (3.5°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Jefferson, is a refreshing month, with an average temperature varying between 42.6°F (5.9°C) and 59.5°F (15.3°C). With the onset of February, Jefferson experiences a subtle temperature shift, with the average high-temperature moving from a fresh 54.1°F (12.3°C) in January to a refreshing 59.5°F (15.3°C). Weather in February »Weather in March
The first month of the spring, March, is a comfortable month in Jefferson, Alabama, with an average temperature fluctuating between 48.7°F (9.3°C) and 67.3°F (19.6°C). The onset of March marks a slight increase in the average high-temperature, moving from a refreshing 59.5°F (15.3°C) in February to a comfortable 67.3°F (19.6°C). Weather in March »Weather in April
April in Jefferson, Alabama, is a warm spring month, with temperature in the range of an average low of 54.9°F (12.7°C) and an average high of 76.6°F (24.8°C). In April, the average high-temperature increases from a comfortable 67.3°F (19.6°C) in March to a warm 76.6°F (24.8°C). Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Jefferson, Alabama, with temperature in the range of an average low of 62.4°F (16.9°C) and an average high of 84°F (28.9°C). Jefferson in May experiences a slight uptick in the average high-temperature, adjusting from April's moderately hot 76.6°F (24.8°C) to a still warm 84°F (28.9°C). Weather in May »Weather in June
June, the first month of the summer in Jefferson, is a hot month, with an average temperature ranging between min 70°F (21.1°C) and max 91.2°F (32.9°C). With the onset of June, Jefferson's average high-temperature experiences a slight rise, moving from May's warm 84°F (28.9°C) to a tropical 91.2°F (32.9°C). Weather in June »Weather in July
July, the same as June, in Jefferson, Alabama, is another tropical summer month, with an average temperature varying between 72.7°F (22.6°C) and 92.8°F (33.8°C). Jefferson's temperatures peak on average in July, reaching 92.8°F (33.8°C) at their highest and 72.7°F (22.6°C) at their lowest. The heat index for July is computed to be a blazing hot 118.4°F (48°C). Weather in July »Weather in August
August, the last month of the summer in Jefferson, is also a hot month, with an average temperature fluctuating between 92.1°F (33.4°C) and 72.3°F (22.4°C). Jefferson's weather in August indicates an average high-temperature of a still hot 92.1°F (33.4°C), nearly consistent with the 92.8°F (33.8°C) of July. Weather in August »Weather in September
The first month of the autumn, September, is also a hot month in Jefferson, Alabama, with an average temperature fluctuating between 87.6°F (30.9°C) and 67.1°F (19.5°C). As August transitions into September, the average high-temperature rests at a still hot 87.6°F (30.9°C), maintaining a close resemblance to the previous month. Weather in September »Weather in October
October, the same as September, is another warm autumn month in Jefferson, Alabama, with an average temperature fluctuating between 56.3°F (13.5°C) and 77.2°F (25.1°C). October's arrival comes with a decrease in the average high-temperature, moving from a tropical 87.6°F (30.9°C) in September to a warm 77.2°F (25.1°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Jefferson, Alabama, with an average temperature varying between 64.9°F (18.3°C) and 46.2°F (7.9°C). As October transitions into November, Jefferson sees a drop in the average high-temperature, transitioning from a warm 77.2°F (25.1°C) to a comfortable 64.9°F (18.3°C). Weather in November »Weather in December
The first month of the winter, December, is also a moderate month in Jefferson, Alabama, with an average temperature ranging between max 57.6°F (14.2°C) and min 42.6°F (5.9°C). The onset of December brings a small shift in high-temperatures, falling from a comfortable 64.9°F (18.3°C) in November to a still refreshing 57.6°F (14.2°C). 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 Jefferson's coldest month, registering average high temperatures of 54.1°F (12.3°C) and lows of 38.3°F (3.5°C).
In Jefferson, during the entire year, the rain falls for 153.9 days and collects up to 33.23" (844mm) of precipitation.
January, February, November and December are months with snowfall.
The month with the most snowfall is January, when snow falls for 0.9 days and typically aggregates up to 0.43" (11mm) of snow.
Throughout the year, there are 2.1 snowfall days, and 1.02" (26mm) of snow is accumulated.
The months with the lowest UV index are January and December, with an average maximum UV index of 3.
The months with the least sunshine are February and December, with an average of 4.8h of sunshine.
March through October 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 months with the most rainfall are April and December, with an average 3.74" (95mm) of precipitation.
June has the longest days of the year, with an average of 14h and 12min of daylight.
June has the most sunshine of the year, with an average of 10.5h of sunshine.
June through August, with an average maximum UV index of 7, are months with the highest UV index.
With its average high temperature of 92.8°F (33.8°C) and a low of 72.7°F (22.6°C), July is regarded as the warmest month in Jefferson.
The month with the least rainfall is September, when the rain falls for 11 days and typically collects 1.65" (42mm) of precipitation.
The least humid month is October, with an average relative humidity of 69%.
With an average relative humidity of 80%, December is the most humid month.
The month with the shortest days is December, with an average of 10h and 6min of daylight.
Average temperature
Jefferson, AL
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (54.1°F).
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).
Average pressure
Jefferson, 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"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"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 (29.97"Hg).
Average wind speed
Jefferson, AL
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.4mph - Average wind speed in April:
7.3mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.2mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity
Jefferson, AL
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall
Jefferson, AL
- Average rainfall in January:
3.5" - Average rainfall in February:
3.5" - Average rainfall in March:
3.07" - Average rainfall in April:
3.74" - Average rainfall in May:
2.24" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.24" - Average rainfall in September:
1.65" - Average rainfall in October:
2.24" - Average rainfall in November:
2.2" - Average rainfall in December:
3.74"
The wettest months (with the highest rainfall) are April and December (3.74").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days
Jefferson, AL
- Average rainfall days in January:
11.4 days - Average rainfall days in February:
13.5 days - Average rainfall days in March:
14.4 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
12.7 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
18.5 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
11 days - Average rainfall days in October:
8.3 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
14.1 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is October (8.3 days).
Average snowfall
Jefferson, AL
The month with the highest snowfall is January (0.43").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days
Jefferson, AL
- Average snowfall days in January:
0.9 days - Average snowfall days in February:
0.5 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:
0.4 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Jefferson, AL
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 48min - Average daylight in June:
14h and 12min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 36min - Average sunshine in April:
9h and 30min - Average sunshine in May:
9h and 54min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 6min - Average sunshine in October:
7h and 12min - Average sunshine in November:
6h and 0min - Average sunshine in December:
4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days
Jefferson, AL
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
17.1 days - Average sunshine days in May:
17.3 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
10.4 days - Average sunshine days in August:
14.1 days - Average sunshine days in September:
17.8 days - Average sunshine days in October:
22.4 days - Average sunshine days in November:
20 days - Average sunshine days in December:
15 days
The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is July (10.4 days).
Average UV index
Jefferson, AL
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Jefferson, AL
The months with the most cloud cover are February and December (Cloud cover 48).
The months with the least cloud cover are September and October (Cloud cover 30).
Average visibility
Jefferson, 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).
