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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 days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January in Fairfax, California, is a mild winter month, with an average temperature varying between 46.6°F (8.1°C) and 55.9°F (13.3°C). The commencement of January introduces an average high-temperature of a mild 55.9°F (13.3°C), closely mirroring the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is also a moderate month in Fairfax, California, with an average temperature fluctuating between 46.8°F (8.2°C) and 57.4°F (14.1°C). The advent of February brings an average high-temperature of a still mild 57.4°F (14.1°C), exhibiting minor difference from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is also a moderate month in Fairfax, California, with an average temperature varying between 59.2°F (15.1°C) and 47.8°F (8.8°C). The arrival of March marks a slight shift to an average high-temperature of a still refreshing 59.2°F (15.1°C) from February's 57.4°F (14.1°C). Weather in March »
Weather in April
April in Fairfax, California, is a refreshing spring month, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 61.7°F (16.5°C). Fairfax's April showcases an average high-temperature of an enjoyable 61.7°F (16.5°C), hardly distinct from March's 59.2°F (15.1°C). Weather in April »
Weather in May
The last month of the spring, May, is another comfortable month in Fairfax, California, with temperature in the range of an average low of 50.7°F (10.4°C) and an average high of 63.3°F (17.4°C). May's advent presents an average high-temperature of a still enjoyable 63.3°F (17.4°C), indicating a slight variation from the conditions of the previous month. Weather in May »
Weather in June
June, the first month of the summer in Fairfax, is still a comfortable month, with an average temperature ranging between max 67.8°F (19.9°C) and min 53.8°F (12.1°C). June denotes a minimal variation in the average high-temperature to a still enjoyable 67.8°F (19.9°C) from May's 63.3°F (17.4°C). Weather in June »
Weather in July
July in Fairfax, California, is an agreeable summer month, with an average temperature fluctuating between 68.5°F (20.3°C) and 54.9°F (12.7°C). Shifting into July, Fairfax records an average high-temperature of a pleasant 68.5°F (20.3°C), presenting minor fluctuations compared to the previous month. Weather in July »
Weather in August
The last month of the summer, August, is another pleasant month in Fairfax, California, with temperature in the range of an average low of 56.1°F (13.4°C) and an average high of 69.4°F (20.8°C). August is marked by an average high-temperature of a still agreeable 69.4°F (20.8°C), almost identical to the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Fairfax, California, with an average temperature ranging between min 56.3°F (13.5°C) and max 70.9°F (21.6°C). The temperatures reach their highest averages in September, with highs of 70.9°F (21.6°C) and lows of 56.3°F (13.5°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Fairfax, California, with an average temperature ranging between min 54.7°F (12.6°C) and max 67.5°F (19.7°C). Transitioning into October, Fairfax experiences an average high-temperature of a comfortable 67.5°F (19.7°C), marking a minor shift from the preceding month. Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Fairfax, California, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 50.2°F (10.1°C). November's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from October's comfortable 67.5°F (19.7°C) to a still enjoyable 61.2°F (16.2°C). Weather in November »
Weather in December
December, the first month of the winter in Fairfax, is also a fresh month, with an average temperature varying between 55.2°F (12.9°C) and 46°F (7.8°C). Fairfax experiences its lowest average temperatures in December, reaching a peak of 55.2°F (12.9°C) and a minimum of 46°F (7.8°C). Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Fairfax?
In Fairfax, during the entire year, the rain falls for 80.3 days and collects up to 15.98" (406mm) of precipitation.
When it does not snow in Fairfax?
In Fairfax, California, snow does not fall in January through November.
How many days does it snow in Fairfax?
In Fairfax, during the entire year, snow falls for 0.1 days.
What is the wettest month in Fairfax?
February is the month with the most rainfall in Fairfax, California. Rain falls for 8.9 days and accumulates 3.43" (87mm) of precipitation.
What are the months with the lowest UV index in Fairfax?
February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
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 PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
When are the longest days in Fairfax?
June has the longest days of the year, with an average of 14h and 48min of daylight.
When is the highest UV index in Fairfax?
June through September, with an average maximum UV index of 5, are months with the highest UV index.
What is the driest month in Fairfax?
July and August are months with the least rain when the rain falls for 2.3 days and typically aggregates up to 0.08" (2mm) of rain.
What month has the most sunshine in Fairfax?
With an average of 11.2h of sunshine, July has the most sunshine of the year.
What is the most humid month in Fairfax?
With an average relative humidity of 78%, August is the most humid month.
What month is the hottest in Fairfax?
September is Fairfax's warmest month, registering average high temperatures of 70.9°F (21.6°C) and lows of 56.3°F (13.5°C).
What is the least humid month in Fairfax?
The least humid month is October, with an average relative humidity of 69%.
What are the coldest months in Fairfax?
The coldest period is December, when temperatures fluctuate between an average high of 55.2°F (12.9°C) and a low of 46°F (7.8°C).
When does it snow in Fairfax?
December is the only month when snow falls.
What is the snowiest month in Fairfax?
December has the most snowfall days of the year. Snow falls for 0.1 days.
What is the month with the shortest days in Fairfax?
December has the shortest days of the year in Fairfax, California, with an average of 9h and 36min of daylight.
What is the month with the least sunshine in Fairfax?
With an average of 5.6h of sunshine, December has the least sunshine of the year.
Average temperature
Fairfax, CA
The warmest month (with the highest average high temperature) is September (70.9°F).
The month with the lowest average high temperature is December (55.2°F).
The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is December (46°F).
Average pressure
Fairfax, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed
Fairfax, CA
- Average wind speed in January:
6.5mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.8mph - Average wind speed in April:
8.3mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.5mph - Average wind speed in September:
6.3mph - Average wind speed in October:
6mph - Average wind speed in November:
5.9mph - Average wind speed in December:
6.7mph
The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is November (5.9mph).
Average humidity
Fairfax, CA
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall
Fairfax, CA
- Average rainfall in January:
2.64" - Average rainfall in February:
3.43" - Average rainfall in March:
2.56" - Average rainfall in April:
0.79" - Average rainfall in May:
0.71" - Average rainfall in June:
0.2"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.08" - Average rainfall in September:
0.12" - Average rainfall in October:
0.83" - Average rainfall in November:
1.73" - Average rainfall in December:
2.83"
The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days
Fairfax, CA
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
7.8 days - Average rainfall days in May:
5.7 days - Average rainfall days in June:
2.7 days
- Average rainfall days in July:
2.3 days - Average rainfall days in August:
2.7 days - Average rainfall days in September:
3.4 days - Average rainfall days in October:
5 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall days
Fairfax, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 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 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Fairfax, CA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - 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 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
5h and 4min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 3min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 0min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
10h and 5min - Average sunshine in September:
10h and 3min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 2min - Average sunshine in December:
5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days
Fairfax, CA
- Average sunshine days in January:
20.1 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
16.6 days - Average sunshine days in April:
20.5 days - Average sunshine days in May:
22.8 days - Average sunshine days in June:
24.8 days
- Average sunshine days in July:
24.8 days - Average sunshine days in August:
23.4 days - Average sunshine days in September:
24.1 days - Average sunshine days in October:
24 days - Average sunshine days in November:
21.4 days - Average sunshine days in December:
18.7 days
The months with the most sunshine days are June and July (24.8 days).
The month with the least sunshine days is March (16.6 days).
Average UV index
Fairfax, CA
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover
Fairfax, CA
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).
Average visibility
Fairfax, CA
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, California, USA
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