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
The transition into January notes an average high-temperature of a still freezing cold 28.9°F (-1.7°C), revealing a mild distinction from the 27.9°F (-2.3°C) in December. Fairfield, in January, experiences an average temperature of 14.4°F (-9.8°C) at night.Humidity
January is the most humid month, with an average relative humidity of 84%.Rainfall
In Fairfield, in January, during 2.8 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Fairfield, during the entire year, the rain falls for 74.4 days and collects up to 8.03" (204mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Fairfield, in January, snow falls for 8.5 days, with typically accumulated 6.89" (175mm) of snow. In Fairfield, during the entire year, snow falls for 44.1 days and aggregates up to 29.65" (753mm) of snow.Daylight
In Fairfield, Idaho, the average length of the day in January is 9h and 25min.On the first day of the month, sunrise is at 8:11 am and sunset at 5:13 pm. On the last day of January, sunrise is at 7:56 am and sunset at 5:49 pm MST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.9h of sunshine.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: An average UV index of 2 in January transforms into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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?
How many days does it rain in January 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 is the month with the least sunshine in Fairfield?
How many hours of sunshine does Fairfield have in January?
What are the months with the lowest UV index in Fairfield?
What is the UV index reading in January in Fairfield?
Average temperature in January
Fairfield, ID
- Average high temperature in January: 28.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in January: 14.4°F
The months with the highest average low temperature are July and August (55.6°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in January
Fairfield, ID
- Average pressure in January: 30.28"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Fairfield, ID
- Average wind speed in January: 5.5mph
The windiest months (with the highest average wind speed) are April and June (7.6mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).
Average humidity in January
Fairfield, ID
- Average humidity in January: 84%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (32%).
Average rainfall in January
Fairfield, ID
- Average rainfall in January: 0.83"
The wettest month (with the highest rainfall) is February (1.02").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in January
Fairfield, ID
- Average rainfall days in January: 2.8 days
The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in January
Fairfield, ID
- Average snowfall in January: 6.89"
The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Fairfield, ID
- Average snowfall days in January: 8.5 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Fairfield, ID
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).
Average sunshine days in January
Fairfield, ID
- Average sunshine days in January: 22.3 days
The month with the most sunshine days is October (23.5 days).
The month with the least sunshine days is May (15.6 days).
Average UV index in January
Fairfield, ID
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Fairfield, ID
- Average cloud cover in January: 36
The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in January
Fairfield, ID
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Fairfield, Idaho, USA
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