Expand
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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January in Fairfield, California, is a refreshing winter month, with an average temperature ranging between max 56.1°F (13.4°C) and min 41.5°F (5.3°C). The introduction of January sees an average high-temperature of a moderate 56.1°F (13.4°C), hardly deviating from December. Weather in January »
Weather in February
February, the last month of the winter in Fairfield, is also a moderate month, with an average temperature fluctuating between 59.5°F (15.3°C) and 41.9°F (5.5°C). During February, the average high-temperature is a still refreshing 59.5°F (15.3°C), maintaining a close resemblance to that of the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Fairfield, is a comfortable month, with an average temperature ranging between min 43.3°F (6.3°C) and max 62.8°F (17.1°C). The average high-temperature in March, at an enjoyable 62.8°F (17.1°C), reveals a modest deviation from February's 59.5°F (15.3°C). Weather in March »
Weather in April
April is an agreeable spring month in Fairfield, California, with an average temperature fluctuating between 68.7°F (20.4°C) and 45.9°F (7.7°C). The onset of April brings a minor temperature shift, with the average high-temperature moving from a comfortable 62.8°F (17.1°C) in March to a pleasant 68.7°F (20.4°C). Weather in April »
Weather in May
May, the last month of the spring in Fairfield, is a moderately hot month, with an average temperature ranging between max 74.8°F (23.8°C) and min 49.8°F (9.9°C). As Fairfield welcomes May, the average high-temperature displays a subtle shift, adjusting from a pleasant 68.7°F (20.4°C) in April to a moderately hot 74.8°F (23.8°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Fairfield, California, with an average temperature fluctuating between 55°F (12.8°C) and 83.7°F (28.7°C). The onset of June marks a slight increase in the average high-temperature, moving from 74.8°F (23.8°C) in May to a still warm 83.7°F (28.7°C). Weather in June »
Weather in July
July in Fairfield, California, is a hot summer month, with an average temperature varying between 56.1°F (13.4°C) and 87.4°F (30.8°C). July, recording an average high temperature of 87.4°F (30.8°C) and a low temperature of 56.1°F (13.4°C), is Fairfield's warmest month. July's heat index is appraised at a hot 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Fairfield, is another tropical month, with an average temperature fluctuating between 86.7°F (30.4°C) and 57°F (13.9°C). The onset of August brings an average high-temperature of a still tropical 86.7°F (30.4°C), nearly matching the July temperature. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Fairfield, California, with temperature in the range of an average low of 57.6°F (14.2°C) and an average high of 85.1°F (29.5°C). Fairfield experiences a subtle adjustment in high-temperatures to a moderately hot 85.1°F (29.5°C) with the onset of September, maintaining near parity with August's 86.7°F (30.4°C). Weather in September »
Weather in October
October, like September, in Fairfield, California, is another warm autumn month, with an average temperature varying between 75.6°F (24.2°C) and 53.6°F (12°C). The onset of October coincides with a reduction in the average high-temperature, falling from 85.1°F (29.5°C) in September to a still warm 75.6°F (24.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Fairfield, is also an enjoyable month, with an average temperature fluctuating between 63.3°F (17.4°C) and 46.4°F (8°C). The arrival of November corresponds with a temperature reduction, down from October's moderately hot 75.6°F (24.2°C) to a comfortable 63.3°F (17.4°C). Weather in November »
Weather in December
December, the first month of the winter in Fairfield, is still a cool month, with an average temperature ranging between max 54.9°F (12.7°C) and min 41.7°F (5.4°C). Temperature readings reach their annual highs in December, averaging 54.9°F (12.7°C) and a minimum average of 41.7°F (5.4°C). Weather in December »
[Resources]Frequently asked questions
How much does it rain in Fairfield?
In Fairfield, California, during the entire year, the rain falls for 71.4 days and collects up to 12.13" (308mm) of precipitation.
What is the month with the lowest UV index in Fairfield?
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Fairfield, California.
What is the wettest month in Fairfield?
The month with the most rainfall in Fairfield, California, is February, when the rain falls for 9 days and typically aggregates up to 2.4" (61mm) of precipitation.
What is the most humid month in Fairfield?
With an average relative humidity of 75%, March is the most humid month in Fairfield, California.
When is Daylight Saving Time (DST) in Fairfield?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Fairfield, California, 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 Fairfield?
With an average of 14h and 48min of daylight, June has the longest days of the year in Fairfield.
What are the months with the highest UV index in Fairfield?
The months with the highest UV index in Fairfield are June through August, with an average maximum UV index of 6.
What time of the year is the hottest in Fairfield?
July, with an average high of 87.4°F (30.8°C) and a low of 56.1°F (13.4°C), signifies the warmest month of the year.
What month has the most sunshine in Fairfield?
July has the most sunshine of the year in Fairfield, California, with an average of 12.1h of sunshine.
What is the driest month in Fairfield?
August is the only month when rain does not fall in Fairfield.
What is the least humid month in Fairfield?
The least humid month in Fairfield is September, with an average relative humidity of 52%.
When does it rain in Fairfield?
Months with rainfall in Fairfield, California, are January through July, September through December.
What time of the year is the coldest in Fairfield?
December is the month when Fairfield, California, sees the average lowest temperatures, with a high of 54.9°F (12.7°C) and a low of 41.7°F (5.4°C).
What is the month with the shortest days in Fairfield?
The month with the shortest days in Fairfield is December, with an average of 9h and 36min of daylight.
What is the month with the least sunshine in Fairfield?
The month with the least sunshine is December, with an average of 5.7h of sunshine.
Average temperature
Fairfield, CA
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is December (54.9°F).
The month with the highest average low temperature is September (57.6°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure
Fairfield, CA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.91"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:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed
Fairfield, CA
- Average wind speed in January:
4.5mph - Average wind speed in February:
5.5mph - Average wind speed in March:
5.7mph - Average wind speed in April:
6.3mph - Average wind speed in May:
7mph - Average wind speed in June:
7mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.6mph - Average wind speed in September:
5.6mph - Average wind speed in October:
5.2mph - Average wind speed in November:
4.5mph - Average wind speed in December:
4.8mph
The windiest months (with the highest average wind speed) are May, June and July (7mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).
Average humidity
Fairfield, CA
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (52%).
Average rainfall
Fairfield, CA
- Average rainfall in January:
2.2" - Average rainfall in February:
2.4" - Average rainfall in March:
2.09" - Average rainfall in April:
0.79" - Average rainfall in May:
0.59" - Average rainfall in June:
0.08"
The wettest month (with the highest rainfall) is February (2.4").
The driest month (with the least rainfall) is August (0").
Average rainfall days
Fairfield, CA
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
9 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
7.9 days - Average rainfall days in May:
4.6 days - Average rainfall days in June:
1.9 days
- Average rainfall days in July:
1.1 days - Average rainfall days in August:
0.7 days - Average rainfall days in September:
1.7 days - Average rainfall days in October:
4.6 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is March (12.9 days).
The month with the least rainy days is August (0.7 days).
Average daylight / Average sunshine
Fairfield, 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 2min - 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 5min - Average sunshine in February:
6h and 0min - Average sunshine in March:
7h and 4min - Average sunshine in April:
10h and 1min - Average sunshine in May:
10h and 5min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 3min - Average sunshine in December:
5h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Fairfield, CA
- Average sunshine days in January:
20.6 days - Average sunshine days in February:
18.5 days - Average sunshine days in March:
17 days - Average sunshine days in April:
20.7 days - Average sunshine days in May:
25.6 days - Average sunshine days in June:
28 days
- Average sunshine days in July:
29.9 days - Average sunshine days in August:
30.2 days - Average sunshine days in September:
27.5 days - Average sunshine days in October:
25.8 days - Average sunshine days in November:
21.8 days - Average sunshine days in December:
19.9 days
The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is March (17 days).
Average UV index
Fairfield, CA
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 3).
Average cloud cover
Fairfield, CA
The months with the most cloud cover are March and December (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility
Fairfield, 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).
Fairfield, California, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location