Climate and monthly weather forecast
Fairfax, OH

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Weather in January

January, the same as December, is a wintry winter month in Fairfax, Ohio, with an average temperature varying between 23.7°F (-4.6°C) and 36.1°F (2.3°C). The lowest temperatures are recorded in January, with averages reaching a high of 36.1°F (2.3°C) and a low of 23.7°F (-4.6°C). Weather in January »

Weather in February

February, the last month of the winter in Fairfax, is also a wintry month, with an average temperature varying between 26.8°F (-2.9°C) and 40.8°F (4.9°C). The dawn of February sees an average high-temperature of a still icy 40.8°F (4.9°C), subtly contrasting with January's 36.1°F (2.3°C). Weather in February »

Weather in March

March, the first month of the spring in Fairfax, is a fresh month, with an average temperature ranging between max 51.4°F (10.8°C) and min 35.4°F (1.9°C). The start of March brings a rise in the average high-temperature, moving from a cold 40.8°F (4.9°C) in February to a fresh 51.4°F (10.8°C). Weather in March »

Weather in April

April is an enjoyable spring month in Fairfax, Ohio, with an average temperature ranging between max 63.7°F (17.6°C) and min 45.1°F (7.3°C). A shift in the average high-temperature is noticeable in April, changing from a cool 51.4°F (10.8°C) in March 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 temperature in the range of an average high of 73.8°F (23.2°C) and an average low of 55.8°F (13.2°C). In Fairfax, stepping into May brings a temperature increase, moving up from April's comfortable 63.7°F (17.6°C) to a warm 73.8°F (23.2°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Fairfax, Ohio, with an average temperature varying between 81.5°F (27.5°C) and 62.4°F (16.9°C). The start of June brings a subtle rise in the average high-temperature, 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). July is the warmest month, exhibiting average temperatures of 84.7°F (29.3°C) at the peak and 66°F (18.9°C) at the base. During July, the heat index is evaluated at a sweltering 95°F (35°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Fairfax, Ohio, with an average temperature fluctuating between 83.8°F (28.8°C) and 64.2°F (17.9°C). The advent of August brings an average high-temperature of a still warm 83.8°F (28.8°C), exhibiting minor difference from the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Fairfax, is also a moderately hot month, with an average temperature varying between 77.9°F (25.5°C) and 58.6°F (14.8°C). In the transition to September, Fairfax observes a minor drop in the average high-temperature, shifting from 83.8°F (28.8°C) in August to a still warm 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 min 47.3°F (8.5°C) and max 64.8°F (18.2°C). October weather is marked by a drop in the average high-temperature, falling from a warm 77.9°F (25.5°C) in September to a comfortable 64.8°F (18.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Fairfax, Ohio, with an average temperature fluctuating between 36.5°F (2.5°C) and 51.3°F (10.7°C). The onset of November results in a decrease in the average high-temperature, receding from an enjoyable 64.8°F (18.2°C) in October to a fresh 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 an average temperature ranging between min 30.6°F (-0.8°C) and max 41.9°F (5.5°C). December indicates a shift in the average high-temperature, from November's fresh 51.3°F (10.7°C) to a wintry 41.9°F (5.5°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in Fairfax?

The lowest temperatures are recorded in January, with averages reaching a high of 36.1°F (2.3°C) and a low of 23.7°F (-4.6°C).

How much does it rain in Fairfax?

Throughout the year, there are 150.9 rainfall days, and 27.64" (702mm) of precipitation is accumulated.

When does it snow in Fairfax?

January through April, November and December are months with snowfall.

How much does it snow in Fairfax?

In Fairfax, Ohio, during the entire year, snow falls for 20.7 days and aggregates up to 6.85" (174mm) of snow.

What is the month with the least sunshine in Fairfax?

January has the least sunshine of the year, with an average of 3.9h of sunshine.

What are the months with the lowest UV index in Fairfax?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What are the most humid months in Fairfax?

The months with the highest humidity are February and December, with an average relative humidity of 81%.

What is the snowiest month in Fairfax?

The month with the most snowfall in Fairfax is February, when snow falls for 5.5 days and typically aggregates up to 2.01" (51mm) of snow.

When is Daylight Saving Time (DST) in Fairfax?

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.

What is the wettest month in Fairfax?

May is the month with the most rainfall in Fairfax. Rain falls for 17.7 days and accumulates 3.27" (83mm) of precipitation.

When it does not snow in Fairfax?

May through October are months without snowfall in Fairfax.

What are the months with the highest UV index in Fairfax?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

When are the longest days in Fairfax?

June has the longest days of the year in Fairfax, Ohio, with an average of 14h and 54min of daylight.

What is the hottest time of year in Fairfax?

Fairfax's warmest weather arrives in July, when temperatures average a high of 84.7°F (29.3°C) and a low of 66°F (18.9°C).

What month has the most sunshine in Fairfax?

July has the most sunshine of the year in Fairfax, Ohio, with an average of 10.3h of sunshine.

What are the least humid months in Fairfax?

The months with the lowest humidity in Fairfax are August through October, with an average relative humidity of 74%.

What is the driest month in Fairfax?

September is the month with the least rainfall in Fairfax. Rain falls for 12.1 days and accumulates 1.54" (39mm) of precipitation.

What is the month with the shortest days in Fairfax?

December has the shortest days of the year in Fairfax, with an average of 9h and 30min of daylight.

Average temperature
Fairfax, OH

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).

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Average pressure
Fairfax, OH

Average pressure - Fairfax, OH

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).

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Average wind speed
Fairfax, OH

Average wind speed - Fairfax, OH

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).

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Average humidity
Fairfax, OH

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%).

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Average rainfall
Fairfax, OH

Average rainfall - Fairfax, OH

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days
Fairfax, OH

Average rainfall days - Fairfax, OH

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).

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Average snowfall
Fairfax, OH

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").

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Average snowfall days
Fairfax, OH

Average snowfall days - Fairfax, OH

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).

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Average daylight / Average sunshine
Fairfax, OH

Average daylight / Average sunshine - Fairfax, OH

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).

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).

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Average sunshine days
Fairfax, OH

Average sunshine days - Fairfax, OH

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).

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Average UV index
Fairfax, OH

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).

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Average visibility
Fairfax, OH

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).

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Fairfax, Ohio, USA

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