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 lowest temperatures are recorded in January, with averages reaching a high of 45°F (7.2°C) and a low of 28.9°F (-1.7°C).Humidity
In January, the average relative humidity is 66%.Rainfall
In January, the rain falls for 3.6 days. Throughout January, 0.39" (10mm) of precipitation is accumulated. In Fairfax, during the entire year, the rain falls for 97.1 days and collects up to 10.87" (276mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. The months with the most snowfall are January through March, with an average 0.2" (5mm) of accumulated snow.Daylight
The average length of the day in January is 10h and 0min.On the first day of January, sunrise is at 7:38 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:51 pm CST.
Sunshine
The months with the least sunshine are January and December, with an average of 6.1h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. When the Sun is at its strongest around midday, find shade and limit exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
What is the temperature in January?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
How much does it snow in January?
How many hours of daylight does Fairfax have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the month with the lowest UV index in Fairfax?
How high is the UV index in January?
Average temperature in January
Fairfax, OK
- Average high temperature in January: 45°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in January: 28.9°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in January
Fairfax, OK
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
Fairfax, OK
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in January
Fairfax, OK
- Average humidity in January: 66%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (65%).
Average rainfall in January
Fairfax, OK
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is December (0.24").
Average rainfall days in January
Fairfax, OK
- Average rainfall days in January: 3.6 days
The month with the highest number of rainy days is May (12.3 days).
The months with the least rainy days are January and December (3.6 days).
Average snowfall in January
Fairfax, OK
- Average snowfall in January: 0.2"
The months with the highest snowfall are January, February and March (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Fairfax, OK
- Average snowfall days in January: 1.8 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Fairfax, OK
- Average daylight in January: 10h and 0min
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 42min).
- Average sunshine in January: 6h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).
Average sunshine days in January
Fairfax, OK
- Average sunshine days in January: 26.2 days
The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is May (15.8 days).
Average UV index in January
Fairfax, OK
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Fairfax, OK
- Average cloud cover in January: 31
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in January
Fairfax, 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).
Fairfax, Oklahoma, USA
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