Climate and monthly weather forecastFairfax, OH
Climate and monthly weather forecast
Weather in January
January, like December, in Fairfax, Ohio, is an icy winter month, with an average temperature fluctuating between 23.7°F (-4.6°C) and 36.1°F (2.3°C). January, marked by an average high-temperature of 36.1°F (2.3°C) and a low-temperature of 23.7°F (-4.6°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Fairfax, is another cold month, with an average temperature varying between 40.8°F (4.9°C) and 26.8°F (-2.9°C). With February's arrival, Fairfax notes an average high-temperature of a still wintry 40.8°F (4.9°C), closely following the trend of the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Fairfax, Ohio, with temperature in the range of an average low of 35.4°F (1.9°C) and an average high of 51.4°F (10.8°C). In Fairfax, stepping into March brings a temperature increase, moving up from February's cold 40.8°F (4.9°C) to a fresh 51.4°F (10.8°C). Weather in March »Weather in April
April is a comfortable spring month in Fairfax, Ohio, with an average temperature fluctuating between 45.1°F (7.3°C) and 63.7°F (17.6°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a cool 51.4°F (10.8°C) to a refreshing 63.7°F (17.6°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Fairfax, Ohio, with an average temperature fluctuating between 55.8°F (13.2°C) and 73.8°F (23.2°C). As Fairfax enters May, the average high-temperature increases from the a comfortable 63.7°F (17.6°C) of April to a moderately hot 73.8°F (23.2°C). Weather in May »Weather in June
June, the first month of the summer in Fairfax, is still a warm month, with temperature in the range of an average low of 62.4°F (16.9°C) and an average high of 81.5°F (27.5°C). June's arrival signals a modest temperature shift, moving from 73.8°F (23.2°C) in May to a still moderately hot 81.5°F (27.5°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Fairfax, Ohio, with an average temperature varying between 66°F (18.9°C) and 84.7°F (29.3°C). The warmest month is July, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 66°F (18.9°C). Throughout July, the heat index is evaluated at a fiery hot 95°F (35°C). Weather in July »Weather in August
August, the last month of the summer in Fairfax, is another warm month, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 64.2°F (17.9°C). The shift into August reveals an average high-temperature of a still warm 83.8°F (28.8°C), closely mirroring July's climate. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Fairfax, Ohio, with an average temperature ranging between max 77.9°F (25.5°C) and min 58.6°F (14.8°C). The start of September involves a subtle temperature drop, shifting from a warm 83.8°F (28.8°C) in August to a still moderately hot 77.9°F (25.5°C). Weather in September »Weather in October
October, like September, in Fairfax, Ohio, is another enjoyable autumn month, with an average temperature ranging between max 64.8°F (18.2°C) and min 47.3°F (8.5°C). October brings a decrease in the average high-temperature, falling from September's moderately hot 77.9°F (25.5°C) to an enjoyable 64.8°F (18.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Fairfax, Ohio, with temperature in the range of an average high of 51.3°F (10.7°C) and an average low of 36.5°F (2.5°C). The shift from October to November involves a decrease in the average high-temperature, from an enjoyable 64.8°F (18.2°C) to a cool 51.3°F (10.7°C). Weather in November »Weather in December
December, the first month of the winter in Fairfax, is also a wintry month, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 41.9°F (5.5°C). Fairfax experiences a temperature shift at the start of December, with average high-temperatures adjusting from a fresh 51.3°F (10.7°C) in November to an icy 41.9°F (5.5°C). Weather in December »Updated: Jun 5, 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
Fairfax experiences its lowest temperatures in January, with an average peak of 36.1°F (2.3°C) and a low of 23.7°F (-4.6°C).
In Fairfax, during the entire year, the rain falls for 150.9 days and collects up to 27.64" (702mm) of precipitation.
Months with snowfall are January through April, November and December.
Throughout the year, there are 20.7 snowfall days, and 6.85" (174mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 3.9h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February and December, with an average relative humidity of 81%, are most humid months.
February is the month with the most snowfall. Snow falls for 5.5 days and accumulates 2.01" (51mm) of snow.
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.
May is the month with the most rainfall. Rain falls for 17.7 days and accumulates 3.27" (83mm) of precipitation.
In Fairfax, snow does not fall in May through October.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
With an average of 14h and 54min of daylight, June has the longest days of the year.
July is the month when Fairfax experiences its warmest temperatures, averaging a high of 84.7°F (29.3°C) and a low of 66°F (18.9°C).
The month with the most sunshine is July, with an average of 10.3h of sunshine.
The months with the lowest humidity are August through October, with an average relative humidity of 74%.
September is the month with the least rainfall. Rain falls for 12.1 days and accumulates 1.54" (39mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Fairfax, OH
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure
Fairfax, OH
- 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:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.94"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:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Fairfax, OH
- Average wind speed in January:
8.7mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.4mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.7mph - Average wind speed in October:
7mph - Average wind speed in November:
7.5mph - Average wind speed in December:
7.9mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Fairfax, OH
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall
Fairfax, OH
- Average rainfall in January:
1.81" - Average rainfall in February:
2.28" - Average rainfall in March:
2.48" - Average rainfall in April:
3.07" - Average rainfall in May:
3.27" - Average rainfall in June:
2.6"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days
Fairfax, OH
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (8.2 days).
Average snowfall
Fairfax, OH
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Fairfax, OH
- Average snowfall days in January:
5.5 days - Average snowfall days in February:
5.5 days - Average snowfall days in March:
3.2 days - Average snowfall days in April:
0.4 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:
0.1 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
4.5 days
The months with the highest number of snowfall days are January and February (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Fairfax, OH
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
5h and 6min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Fairfax, OH
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
15 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
19.2 days - Average sunshine days in December:
16.1 days
The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is May (10.9 days).
Average UV index
Fairfax, OH
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Fairfax, OH
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Fairfax, OH
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).
