Climate and monthly weather forecastJefferson, OH
Climate and monthly weather forecast
Weather in January
January, the same as December, in Jefferson, Ohio, is a freezing cold winter month, with an average temperature fluctuating between 30.6°F (-0.8°C) and 21°F (-6.1°C). Jefferson's coldest month, January, generally records average temperatures ranging from a high of 30.6°F (-0.8°C) to a low of 21°F (-6.1°C). Weather in January »Weather in February
February, the last month of the winter in Jefferson, is a cold month, with temperature in the range of an average low of 21.7°F (-5.7°C) and an average high of 32.5°F (0.3°C). February brings an average high-temperature of a wintry 32.5°F (0.3°C), nearly identical to the preceding month. Weather in February »Weather in March
March, the first month of the spring in Jefferson, is also an icy month, with temperature in the range of an average low of 28.9°F (-1.7°C) and an average high of 40.3°F (4.6°C). The shift from February to March introduces a subtle increase in the average high-temperature, moving from a cold 32.5°F (0.3°C) to a still wintry 40.3°F (4.6°C). Weather in March »Weather in April
April in Jefferson, Ohio, is a fresh spring month, with an average temperature varying between 38.1°F (3.4°C) and 50.9°F (10.5°C). With the onset of April, Jefferson's average high-temperature experiences a rise, moving from March's cold 40.3°F (4.6°C) to a fresh 50.9°F (10.5°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Jefferson, Ohio, with an average temperature varying between 48.9°F (9.4°C) and 62.4°F (16.9°C). The average high-temperature increases in May, moving from a fresh 50.9°F (10.5°C) in April to an enjoyable 62.4°F (16.9°C). Weather in May »Weather in June
June, the first month of the summer in Jefferson, is an agreeable month, with an average temperature ranging between min 57.9°F (14.4°C) and max 71.2°F (21.8°C). With the start of June, the average high-temperature marginally shifts from May's refreshing 62.4°F (16.9°C) to an agreeable 71.2°F (21.8°C). Weather in June »Weather in July
July in Jefferson, Ohio, is a warm summer month, with an average temperature varying between 64°F (17.8°C) and 77°F (25°C). July tends to be the warmest month, with temperatures averaging a daily high of 77°F (25°C) and a low of 64°F (17.8°C). Weather in July »Weather in August
August, the last month of the summer in Jefferson, is another warm month, with an average temperature fluctuating between 63.9°F (17.7°C) and 75.9°F (24.4°C). The beginning of August records an average high-temperature of a still warm 75.9°F (24.4°C), marking a negligible difference from July's 77°F (25°C). Weather in August »Weather in September
September, the first month of the autumn in Jefferson, is still a pleasant month, with an average temperature ranging between max 70.7°F (21.5°C) and min 58.6°F (14.8°C). On the advent of September, Jefferson's average high-temperature exhibits a minor adjustment to a pleasant 70.7°F (21.5°C) from August's 75.9°F (24.4°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Jefferson, Ohio, with an average temperature ranging between max 59°F (15°C) and min 48.6°F (9.2°C). The arrival of October signals a shift in temperature, down from an agreeable 70.7°F (21.5°C) in September to a refreshing 59°F (15°C). Weather in October »Weather in November
November, the last month of the autumn in Jefferson, is another chilly month, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 46.2°F (7.9°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's moderate 59°F (15°C) to a frosty 46.2°F (7.9°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Jefferson, Ohio, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 29.8°F (-1.2°C). In Jefferson, the average high-temperature in December decreases from a chilly 46.2°F (7.9°C) in November to a wintry 37°F (2.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Jefferson, OH
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure
Jefferson, OH
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Jefferson, OH
- Average wind speed in January:
11.4mph - Average wind speed in February:
10.2mph - Average wind speed in March:
9.7mph - Average wind speed in April:
9.4mph - Average wind speed in May:
7.9mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
7.4mph - Average wind speed in September:
8.5mph - Average wind speed in October:
10.3mph - Average wind speed in November:
11mph - Average wind speed in December:
11.3mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity
Jefferson, OH
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July, August and September (78%).
Average rainfall
Jefferson, OH
- Average rainfall in January:
2.68" - Average rainfall in February:
2.4" - Average rainfall in March:
2.87" - Average rainfall in April:
3.35" - Average rainfall in May:
3.58" - Average rainfall in June:
3.94"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.07" - Average rainfall in September:
2.64" - Average rainfall in October:
3.46" - Average rainfall in November:
2.4" - Average rainfall in December:
2.72"
The wettest month (with the highest rainfall) is June (3.94").
The driest months (with the least rainfall) are February and November (2.4").
Average rainfall days
Jefferson, OH
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
9.6 days - Average rainfall days in March:
13 days - Average rainfall days in April:
17.2 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
18.8 days - Average rainfall days in September:
16.7 days - Average rainfall days in October:
18.7 days - Average rainfall days in November:
14.3 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is January (7.9 days).
Average snowfall
Jefferson, OH
- Average snowfall in January:
6.69" - Average snowfall in February:
6.65" - Average snowfall in March:
2.36" - Average snowfall in April:
1.14" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (6.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Jefferson, OH
- Average snowfall days in January:
18.4 days - Average snowfall days in February:
16.3 days - Average snowfall days in March:
9.3 days - Average snowfall days in April:
3.7 days - Average snowfall days in May:
0.4 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:
0.4 days - Average snowfall days in November:
7.5 days - Average snowfall days in December:
15.4 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Jefferson, OH
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
2h and 30min - Average sunshine in February:
3h and 12min - Average sunshine in March:
5h and 30min - Average sunshine in April:
7h and 30min - Average sunshine in May:
9h and 6min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 30min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 18min - Average sunshine in December:
2h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days
Jefferson, OH
- Average sunshine days in January:
5.9 days - Average sunshine days in February:
6.7 days - Average sunshine days in March:
10.5 days - Average sunshine days in April:
9.8 days - Average sunshine days in May:
10 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.4 days - Average sunshine days in August:
9.8 days - Average sunshine days in September:
11 days - Average sunshine days in October:
10.4 days - Average sunshine days in November:
10.2 days - Average sunshine days in December:
6.7 days
The month with the most sunshine days is September (11 days).
The month with the least sunshine days is January (5.9 days).
Average UV index
Jefferson, OH
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Jefferson, OH
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Jefferson, OH
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





