Climate and monthly weather forecastFairfax, OK
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Fairfax, Oklahoma, with an average temperature fluctuating between 45°F (7.2°C) and 28.9°F (-1.7°C). The lowest temperatures are recorded in January, with averages reaching a high of 45°F (7.2°C) and a low of 28.9°F (-1.7°C). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Fairfax, Oklahoma, with an average temperature fluctuating between 48.4°F (9.1°C) and 31.8°F (-0.1°C). Fairfax registers an average high-temperature of a still frosty 48.4°F (9.1°C) at the commencement of February, closely related to the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Fairfax, Oklahoma, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 59.9°F (15.5°C). A rise in the average high-temperature is observed during March, moving from a frosty 48.4°F (9.1°C) in February to a mild 59.9°F (15.5°C). Weather in March »Weather in April
April in Fairfax, Oklahoma, is an agreeable spring month, with an average temperature varying between 49.1°F (9.5°C) and 68°F (20°C). The commencement of April sees a minor shift in the average high-temperature, moving from a refreshing 59.9°F (15.5°C) in March to a pleasant 68°F (20°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Fairfax, Oklahoma, with an average temperature varying between 75.6°F (24.2°C) and 57.9°F (14.4°C). The onset of May brings a minor temperature shift, with the average high-temperature moving from a pleasant 68°F (20°C) in April to a moderately hot 75.6°F (24.2°C). Weather in May »Weather in June
The first month of the summer, June, is a tropical month in Fairfax, Oklahoma, with an average temperature fluctuating between 68.5°F (20.3°C) and 86.9°F (30.5°C). The start of June brings a rise in the average high-temperature, moving from a warm 75.6°F (24.2°C) in May to a hot 86.9°F (30.5°C). Weather in June »Weather in July
July, the same as June, in Fairfax, Oklahoma, is another tropical summer month, with temperature in the range of an average high of 92.1°F (33.4°C) and an average low of 71.8°F (22.1°C). With average high and low temperatures of 92.1°F (33.4°C) and 71.8°F (22.1°C) respectively, July is Fairfax's warmest month. In July, the heat index is evaluated at an extremely hot 109.4°F (43°C). Weather in July »Weather in August
August, the last month of the summer in Fairfax, is another hot month, with an average temperature fluctuating between 69.6°F (20.9°C) and 90.3°F (32.4°C). Fairfax experiences a minor change to a still hot 90.3°F (32.4°C) in average high-temperature during August, closely reflecting July. 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 ranging between min 63.7°F (17.6°C) and max 82.8°F (28.2°C). September is marked by a subtle drop in average high-temperatures, transitioning from a hot 90.3°F (32.4°C) in August to a warm 82.8°F (28.2°C). Weather in September »Weather in October
October, the same as September, in Fairfax, Oklahoma, is another pleasant autumn month, with an average temperature ranging between max 69.3°F (20.7°C) and min 51.8°F (11°C). The transition into October indicates a reduction in the average high-temperature, down to an agreeable 69.3°F (20.7°C) from September's warm 82.8°F (28.2°C). Weather in October »Weather in November
November, the last month of the autumn in Fairfax, is also a moderate month, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 57.7°F (14.3°C). November brings a decrease in the average high-temperature, falling from October's pleasant 69.3°F (20.7°C) to a refreshing 57.7°F (14.3°C). Weather in November »Weather in December
December, the first month of the winter in Fairfax, is still a chilly month, with an average temperature ranging between max 46.8°F (8.2°C) and min 31.6°F (-0.2°C). December brings a minor decrease, with the average high-temperature reducing from a moderate 57.7°F (14.3°C) in November to a frosty 46.8°F (8.2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Fairfax, OK
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (45°F).
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure
Fairfax, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.9"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Fairfax, OK
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.6mph - Average wind speed in March:
11.4mph - Average wind speed in April:
11.5mph - Average wind speed in May:
9.8mph - Average wind speed in June:
9.5mph
- Average wind speed in July:
8.1mph - Average wind speed in August:
8.1mph - Average wind speed in September:
8.6mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.5mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity
Fairfax, OK
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (65%).
Average rainfall
Fairfax, OK
- Average rainfall in January:
0.39" - Average rainfall in February:
0.39" - Average rainfall in March:
0.59" - Average rainfall in April:
1.18" - Average rainfall in May:
2.17" - Average rainfall in June:
0.91"
- Average rainfall in July:
1.06" - Average rainfall in August:
1.46" - Average rainfall in September:
0.98" - Average rainfall in October:
1.14" - Average rainfall in November:
0.35" - Average rainfall in December:
0.24"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is December (0.24").
Average rainfall days
Fairfax, OK
- Average rainfall days in January:
3.6 days - Average rainfall days in February:
5 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
9.4 days
- Average rainfall days in July:
10.8 days - Average rainfall days in August:
10.6 days - Average rainfall days in September:
10.3 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
4.9 days - Average rainfall days in December:
3.6 days
The month with the highest number of rainy days is May (12.3 days).
The months with the least rainy days are January and December (3.6 days).
Average snowfall
Fairfax, OK
The months with the highest snowfall are January, February and March (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Fairfax, OK
- Average snowfall days in January:
1.8 days - Average snowfall days in February:
2.1 days - Average snowfall days in March:
0.5 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:
0.1 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
0.7 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight / Average sunshine
Fairfax, OK
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 6min - Average sunshine in February:
6h and 54min - Average sunshine in March:
7h and 18min - Average sunshine in April:
8h and 36min - Average sunshine in May:
9h and 12min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
11h and 6min - Average sunshine in August:
11h and 12min - Average sunshine in September:
8h and 48min - Average sunshine in October:
6h and 48min - Average sunshine in November:
6h and 12min - Average sunshine in December:
6h and 6min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).
Average sunshine days
Fairfax, OK
- Average sunshine days in January:
26.2 days - Average sunshine days in February:
20.8 days - Average sunshine days in March:
21 days - Average sunshine days in April:
17.3 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
17.8 days
- Average sunshine days in July:
16.9 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
21 days - Average sunshine days in November:
23.7 days - Average sunshine days in December:
25.4 days
The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is May (15.8 days).
Average UV index
Fairfax, OK
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 2).
Average cloud cover
Fairfax, OK
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility
Fairfax, OK
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).





