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's January weather, with an average high temperature of 45.9°F (7.7°C) and an average low temperature of 29.8°F (-1.2°C), tends to be the coldest of the year.Humidity
The average relative humidity in January is 72%.Rainfall
In January, the rain falls for 8.2 days. Throughout January, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 151.2 rainfall days, and 34.76" (883mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Fairfield, in January, snow falls for 2.8 days, with typically accumulated 0.79" (20mm) of snow. Throughout the year, there are 9.5 snowfall days, and 3.86" (98mm) of snow is accumulated.Daylight
In Fairfield, the average length of the day in January is 10h and 4min.On the first day of the month, sunrise is at 7:28 am and sunset at 5:15 pm. On the last day of January, sunrise is at 7:19 am and sunset at 5:44 pm CST.
Sunshine
January and December, with an average of 5.5h of sunshine, are months with the least sunshine.UV index
In Fairfield, the average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 3 in January translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
What are the temperatures in January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine in Fairfield?
How long on average sun shines in January?
What is the UV index intensity in January?
Average temperature in January
Fairfield, OK
- Average high temperature in January: 45.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in January: 29.8°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in January
Fairfield, OK
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Fairfield, OK
- Average wind speed in January: 8.4mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in January
Fairfield, OK
- Average humidity in January: 72%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (70%).
Average rainfall in January
Fairfield, OK
- Average rainfall in January: 2.28"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in January
Fairfield, OK
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in January
Fairfield, OK
- Average snowfall in January: 0.79"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Fairfield, OK
- Average snowfall days in January: 2.8 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Fairfield, OK
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 5h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in January
Fairfield, OK
- Average sunshine days in January: 19.7 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in January
Fairfield, OK
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in January
Fairfield, OK
- Average cloud cover in January: 38
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in January
Fairfield, OK
- Average visibility in January: 6mi
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, Oklahoma, USA
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