Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
In January, Fairfield experiences a minor shift in meteorological conditions with average high-temperatures marked at a still icy 33.3°F (0.7°C), closely mirroring the climate in December. Fairfield encounters a steady low-temperature average of 22.6°F (-5.2°C) throughout the month of January.Humidity
The most humid month is January, with an average relative humidity of 91%.Rainfall
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.Snowfall
Months with snowfall in Fairfield, Washington, are January through May, September through December. January is the month with the most snowfall in Fairfield. Snow falls for 13.3 days and accumulates 10.51" (267mm) of snow.Daylight
In January, the average length of the day in Fairfield is 8h and 59min.On the first day of the month, sunrise is at 7:35 am and sunset at 4:08 pm. On the last day of January, in Fairfield, Washington, sunrise is at 7:15 am and sunset at 4:48 pm PST.
Sunshine
The months with the least sunshine in Fairfield are January and December, with an average of 3.8h of sunshine.UV index
In Fairfield, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold is January in Fairfield?
What is the most humid month in Fairfield?
What is the average humidity in January in Fairfield?
What is the rainiest month in Fairfield?
How much does it rain in Fairfield in January?
When does it snow the most in Fairfield?
How many days does it snow in January in Fairfield?
What is the average length of the day in January in Fairfield?
What time are sunrise and sunset in January in Fairfield?
What are the months with the least sunshine in Fairfield?
How many hours of sunshine does Fairfield have in January?
What is the UV index reading in January in Fairfield?
Average temperature in January
Fairfield, WA
- Average high temperature in January: 33.3°F
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).
- Average low temperature in January: 22.6°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 in January
Fairfield, WA
- Average pressure in January: 30.19"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 in January
Fairfield, WA
- Average wind speed in January: 4.8mph
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 in January
Fairfield, WA
- Average humidity in January: 91%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (43%).
Average rainfall in January
Fairfield, WA
- Average rainfall in January: 2.28"
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 in January
Fairfield, WA
- Average rainfall days in January: 9.7 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 in January
Fairfield, WA
- Average snowfall in January: 10.51"
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 in January
Fairfield, WA
- Average snowfall days in January: 13.3 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 in January /
Average sunshine in January
Fairfield, WA
- Average daylight in January: 9h and 0min
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 5min
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 in January
Fairfield, WA
- Average sunshine days in January: 13.2 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 in January
Fairfield, WA
- Average UV index in January: 2
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 in January
Fairfield, WA
- Average cloud cover in January: 62
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 in January
Fairfield, WA
- Average visibility in January: 4mi
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).
Fairfield, Washington, USA
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