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
Fairfield witnesses the coldest weather in January, with temperatures averaging a high of 29.1°F (-1.6°C) and a low of 16.5°F (-8.6°C).Humidity
The average relative humidity in January in Fairfield is 81%.Rainfall
January and December are months with the least rain in Fairfield when the rain falls for 5.3 days and typically aggregates up to 1.18" (30mm) of rain.Snowfall
January through April, October through December are months with snowfall in Fairfield. The months with the most snowfall are January and February, with an average 4.33" (110mm) of accumulated snow.Daylight
In January, the average length of the day in Fairfield is 9h and 38min.On the first day of the month, sunrise is at 7:32 am and sunset at 4:49 pm. On the last day of January, sunrise is at 7:19 am and sunset at 5:23 pm CST.
Sunshine
January has the least sunshine of the year in Fairfield, with an average of 4.1h of sunshine.UV index
With an average maximum UV index of 1, January is the month with the lowest UV index in Fairfield. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 1 in January leads to these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Fairfield?
How cold is it in Fairfield in January?
What is the average humidity in January in Fairfield?
What is the driest month in Fairfield?
How many days does it rain in January in Fairfield?
When does it snow the most in Fairfield?
How many days does it snow in January in Fairfield?
How many hours of daylight does Fairfield have in January?
When is the sunrise / sunset in January in Fairfield?
What is the month with the least sunshine in Fairfield?
How long on average sun shines in January in Fairfield?
When is the lowest UV index in Fairfield?
How high is the UV index in January in Fairfield?
Average temperature in January
Fairfield, IA
- Average high temperature in January: 29.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in January: 16.5°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in January
Fairfield, IA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Fairfield, IA
- Average wind speed in January: 10.8mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in January
Fairfield, IA
- Average humidity in January: 81%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Fairfield, IA
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.18").
Average rainfall days in January
Fairfield, IA
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in January
Fairfield, IA
- Average snowfall in January: 4.33"
The months with the highest snowfall are January and February (4.33").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Fairfield, IA
- Average snowfall days in January: 10.3 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Fairfield, IA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Fairfield, IA
- Average sunshine days in January: 16.3 days
The months with the most sunshine days are October and November (18.8 days).
The month with the least sunshine days is May (11 days).
Average UV index in January
Fairfield, IA
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Fairfield, IA
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in January
Fairfield, IA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Fairfield, Iowa, USA
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