Climate and monthly weather forecastFairfield, WA
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Fairfield, Washington, with an average temperature ranging between min 22.6°F (-5.2°C) and max 33.3°F (0.7°C). On the advent of January, Fairfield's average high-temperature exhibits a minor adjustment to a still wintry 33.3°F (0.7°C) from December's 32°F (0°C). Weather in January »Weather in February
February, the last month of the winter in Fairfield, is another cold month, with an average temperature fluctuating between 24.1°F (-4.4°C) and 36.5°F (2.5°C). With the onset of February, the average high-temperature stands at a still icy 36.5°F (2.5°C), closely aligned with January's 33.3°F (0.7°C). Weather in February »Weather in March
March, the first month of the spring in Fairfield, is a frosty month, with an average temperature ranging between min 29.7°F (-1.3°C) and max 45°F (7.2°C). Fairfield's March weather indicates a minor ascent in high-temperatures, adjusting from a wintry 36.5°F (2.5°C) in February to a chilly 45°F (7.2°C). Weather in March »Weather in April
April is a fresh spring month in Fairfield, Washington, with an average temperature varying between 34.9°F (1.6°C) and 54.1°F (12.3°C). Fairfield sees an increase in average high-temperatures during April, moving from a frosty 45°F (7.2°C) in March to a fresh 54.1°F (12.3°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Fairfield, Washington, with an average temperature varying between 41.2°F (5.1°C) and 65.1°F (18.4°C). The transition from April to May brings a temperature rise, with average high-temperatures increasing from a cool 54.1°F (12.3°C) to an enjoyable 65.1°F (18.4°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Fairfield, Washington, with an average temperature fluctuating between 71.1°F (21.7°C) and 46.6°F (8.1°C). June's onset witnesses a minor shift in the average high-temperature, moving from an enjoyable 65.1°F (18.4°C) in May to an agreeable 71.1°F (21.7°C). Weather in June »Weather in July
July is a warm summer month in Fairfield, Washington, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 82.9°F (28.3°C). Fairfield in July sees a temperature change, with average high-temperatures moving from a pleasant 71.1°F (21.7°C) in June to a moderately hot 82.9°F (28.3°C). Weather in July »Weather in August
August, the last month of the summer in Fairfield, is another warm month, with an average temperature fluctuating between 55.9°F (13.3°C) and 83.3°F (28.5°C). The average temperatures reach their apex in August, averaging 83.3°F (28.5°C) at the high end and 55.9°F (13.3°C) at the low end. In August, the average heat index is appraised at 82.4°F (28°C). Weather in August »Weather in September
September, the first month of the autumn in Fairfield, is also an agreeable month, with an average temperature fluctuating between 48.2°F (9°C) and 72.5°F (22.5°C). September implies a gentle temperature shift, with average high-temperatures reducing from August's moderately hot 83.3°F (28.5°C) to an agreeable 72.5°F (22.5°C). Weather in September »Weather in October
October, the same as September, in Fairfield, Washington, is a moderate autumn month, with an average temperature fluctuating between 38.3°F (3.5°C) and 55.9°F (13.3°C). October signals a clear decrease in the average high-temperature, dropping from September's pleasant 72.5°F (22.5°C) to a mild 55.9°F (13.3°C). Weather in October »Weather in November
November, the last month of the autumn in Fairfield, is another cold month, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 41°F (5°C). The beginning of November marks a clear shift in the average high-temperature, receding from October's refreshing 55.9°F (13.3°C) to a wintry 41°F (5°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Fairfield, Washington, with temperature in the range of an average high of 32°F (0°C) and an average low of 21.9°F (-5.6°C). December stands out as Fairfield's coldest month, with an average high-temperature of 32°F (0°C) and a low-temperature of 21.9°F (-5.6°C). Weather in December »Updated: Aug 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The most humid month is January, with an average relative humidity of 91%.
The month with the most rainfall is January, when the rain falls for 9.7 days and typically aggregates up to 2.28" (58mm) of precipitation.
Throughout the year, there are 125.4 rainfall days, and 17.28" (439mm) of precipitation is accumulated.
January through May, September through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 13.3 days and accumulates 10.51" (267mm) of snow.
In Fairfield, during the entire year, snow falls for 56.4 days and aggregates up to 37.4" (950mm) of snow.
January and December, with an average of 3.8h of sunshine, are months with the least sunshine.
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.
June through August are months without snowfall.
With an average of 15h and 54min of daylight, June has the longest days of the year.
The months with the least rainfall are July and August Rain falls for 5.1 days and accumulates 0.35" (9mm) of rain.
The month with the highest UV index is July, with an average maximum UV index of 6.
August, with its high-temperature average of 83.3°F (28.5°C) and a low-temperature average of 55.9°F (13.3°C), is the warmest month.
The least humid month is August, with an average relative humidity of 43%.
August has the most sunshine of the year, with an average of 12h of sunshine.
Fairfield witnesses the coldest weather in December, with temperatures averaging a high of 32°F (0°C) and a low of 21.9°F (-5.6°C).
With an average of 8h and 30min of daylight, December has the shortest days of the year.
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Fairfield, WA
The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (32°F).
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure
Fairfield, WA
- Average pressure in January:
30.19"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed
Fairfield, WA
- Average wind speed in January:
4.8mph - Average wind speed in February:
5.1mph - Average wind speed in March:
5.9mph - Average wind speed in April:
6.1mph - Average wind speed in May:
5.5mph - Average wind speed in June:
5.4mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
4.9mph - Average wind speed in October:
5mph - Average wind speed in November:
5.1mph - Average wind speed in December:
4.7mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity
Fairfield, WA
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (43%).
Average rainfall
Fairfield, WA
- Average rainfall in January:
2.28" - Average rainfall in February:
1.61" - Average rainfall in March:
2.17" - Average rainfall in April:
1.42" - Average rainfall in May:
1.61" - Average rainfall in June:
1.26"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.35" - Average rainfall in September:
0.63" - Average rainfall in October:
1.61" - Average rainfall in November:
1.77" - Average rainfall in December:
2.2"
The wettest month (with the highest rainfall) is January (2.28").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days
Fairfield, WA
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
16 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
12.7 days - Average rainfall days in June:
10.9 days
- Average rainfall days in July:
5.1 days - Average rainfall days in August:
5.5 days - Average rainfall days in September:
7.9 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
12.9 days - Average rainfall days in December:
8.9 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.1 days).
Average snowfall
Fairfield, WA
- Average snowfall in January:
10.51" - Average snowfall in February:
8.23" - Average snowfall in March:
4.65" - Average snowfall in April:
1.18" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (10.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Fairfield, WA
- Average snowfall days in January:
13.3 days - Average snowfall days in February:
11.2 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
3 days - Average snowfall days in May:
0.2 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:
0.2 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
6.3 days - Average snowfall days in December:
13.9 days
The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Fairfield, WA
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 6min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 18min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 6min - Average sunshine in October:
6h and 24min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 48min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days
Fairfield, WA
- Average sunshine days in January:
13.2 days - Average sunshine days in February:
11.7 days - Average sunshine days in March:
10.3 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
16.4 days - Average sunshine days in June:
17.3 days
- Average sunshine days in July:
24.3 days - Average sunshine days in August:
23.2 days - Average sunshine days in September:
20.8 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
12.3 days - Average sunshine days in December:
13.4 days
The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is March (10.3 days).
Average UV index
Fairfield, WA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Fairfield, WA
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility
Fairfield, WA
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
