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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Fairfax, Missouri, is an icy winter month, with an average temperature ranging between max 32.5°F (0.3°C) and min 18.5°F (-7.5°C). The month of January, characterized by an average high of 32.5°F (0.3°C) and a low of 18.5°F (-7.5°C), is recognized as the coldest. Weather in January »
Weather in February
February, the last month of the winter in Fairfax, is another cold month, with an average temperature fluctuating between 21.9°F (-5.6°C) and 36.9°F (2.7°C). The transition from January to February brings an average high-temperature of a still icy 36.9°F (2.7°C), barely different from January's 32.5°F (0.3°C). Weather in February »
Weather in March
March, the first month of the spring in Fairfax, is a fresh month, with an average temperature fluctuating between 51.4°F (10.8°C) and 34.9°F (1.6°C). The arrival of March brings a distinct temperature shift, with the average high-temperature escalating from a wintry 36.9°F (2.7°C) in February to a cool 51.4°F (10.8°C). Weather in March »
Weather in April
April is a comfortable spring month in Fairfax, Missouri, with an average temperature varying between 63°F (17.2°C) and 44.2°F (6.8°C). Noticing a change, the average high-temperature during April moves from March's cool 51.4°F (10.8°C) to a refreshing 63°F (17.2°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Fairfax, Missouri, with an average temperature varying between 72.1°F (22.3°C) and 55°F (12.8°C). As Fairfax transitions into May, the average high-temperature shows a change, moving from an enjoyable 63°F (17.2°C) in April to a pleasant 72.1°F (22.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Fairfax, Missouri, with an average temperature ranging between min 64.9°F (18.3°C) and max 82.2°F (27.9°C). As May gives way to June, the average high-temperature displays an increase, moving from a pleasant 72.1°F (22.3°C) to a warm 82.2°F (27.9°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Fairfax, Missouri, with an average temperature fluctuating between 67.1°F (19.5°C) and 84.9°F (29.4°C). With average high and low temperatures of 84.9°F (29.4°C) and 67.1°F (19.5°C) respectively, July is Fairfax's warmest month. The heat index value for July is computed to be a fiery hot 96.8°F (36°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Fairfax, Missouri, with an average temperature fluctuating between 82.9°F (28.3°C) and 64.2°F (17.9°C). As Fairfax steps into August, the average high-temperature holds at a still moderately hot 82.9°F (28.3°C), hinting at a minor fluctuation from the prior month. Weather in August »
Weather in September
September, the first month of the autumn in Fairfax, is still a warm month, with an average temperature ranging between max 77.7°F (25.4°C) and min 57.7°F (14.3°C). The commencement of September brings an average high-temperature of a still moderately hot 77.7°F (25.4°C), marking an inconsequential divergence from August. Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Fairfax, Missouri, with an average temperature fluctuating between 63.3°F (17.4°C) and 46°F (7.8°C). Fairfax's October weather is characterized by a distinct downswing in high-temperatures, falling from September's warm 77.7°F (25.4°C) to an enjoyable 63.3°F (17.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Fairfax, is also a fresh month, with an average temperature fluctuating between 50.2°F (10.1°C) and 34.7°F (1.5°C). As October shifts into November, a slight alteration in temperatures is observed, with average highs reducing from an enjoyable 63.3°F (17.4°C) to a fresh 50.2°F (10.1°C). Weather in November »
Weather in December
December, the first month of the winter in Fairfax, is also an icy month, with an average temperature ranging between max 36.5°F (2.5°C) and min 23.9°F (-4.5°C). Fairfax's December weather features a mild decline in high-temperatures, reducing from a cool 50.2°F (10.1°C) in November to a cold 36.5°F (2.5°C). Weather in December »
Updated: Jun 17, 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
What are the coldest months?
Fairfax reaches its average lowest temperatures in January, measuring 32.5°F (0.3°C) at the peak and 18.5°F (-7.5°C) at the lowest.
How many days does it rain?
In Fairfax, during the entire year, the rain falls for 120.8 days and collects up to 24.09" (612mm) of precipitation.
When does it snow?
Months with snowfall are January through April, October through December.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 6.7 days and accumulates 3.03" (77mm) of snow.
How much does it snow?
Throughout the year, there are 23.5 snowfall days, and 10.51" (267mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.8h of sunshine.
What is the month with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the driest month?
February is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.67" (17mm) of precipitation.
When is Daylight Saving Time (DST)?
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.
When it does not snow in Fairfax?
May through September are months without snowfall.
What is the rainiest month?
June is the month with the most rainfall. Rain falls for 15.8 days and accumulates 4.21" (107mm) of precipitation.
When are the longest days?
With an average of 15h and 0min of daylight, June has the longest days of the year.
When is the highest UV index in Fairfax?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the warmest month?
July is the warmest month, with the temperature often reaching an average high of 84.9°F (29.4°C) and an average low of 67.1°F (19.5°C).
What is the most humid month?
The most humid month is July, with an average relative humidity of 79%.
What month has the most sunshine in Fairfax?
July has the most sunshine of the year, with an average of 10.3h of sunshine.
What is the least humid month?
The least humid month is October, with an average relative humidity of 67%.
What is the month with the shortest days?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Fairfax, MO
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (32.5°F).
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure
Fairfax, MO
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30"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, MO
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.9mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.5mph - Average wind speed in June:
8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.8mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.4mph
The windiest months (with the highest average wind speed) are March and April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity
Fairfax, MO
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is October (67%).
Average rainfall
Fairfax, MO
- Average rainfall in January:
0.75" - Average rainfall in February:
0.67" - Average rainfall in March:
1.5" - Average rainfall in April:
1.85" - Average rainfall in May:
3.86" - Average rainfall in June:
4.21"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.56" - Average rainfall in September:
1.93" - Average rainfall in October:
2.01" - Average rainfall in November:
1.06" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is June (4.21").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days
Fairfax, MO
- Average rainfall days in January:
3.9 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
9.4 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
12.9 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
4 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (3.8 days).
Average snowfall
Fairfax, MO
The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Fairfax, MO
- Average snowfall days in January:
6.7 days - Average snowfall days in February:
6.7 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.7 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:
0.7 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
4.5 days
The months with the highest number of snowfall days are January and February (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Fairfax, MO
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
5h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days
Fairfax, MO
- Average sunshine days in January:
21 days - Average sunshine days in February:
18 days - Average sunshine days in March:
17.1 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
21.5 days
The months with the most sunshine days are November and December (21.5 days).
The month with the least sunshine days is May (11.4 days).
Average UV index
Fairfax, MO
The months with the highest UV index are 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, MO
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Fairfax, MO
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).
Fairfax, Missouri, USA
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