January weather forecastFairfield, OH
January
Weather in January
The year begins with winter in full swing in Fairfield, Ohio. The weather in January marks the coldest part of the year, and it frequently sees freezing temperatures with an average low of 22.8°F (-5.1°C) and a high of 35.2°F (1.8°C). There is an increase in cloud cover, with over 59% of the initial month's days being cloudy. Yet, the winter sky can offer some clear days, with sunshine found around four hours per day. Precipitation often falls as snow, with the first month of the year experiencing an average of 1.38" (35mm) of snowfall.Temperature
With an average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 22.8°F (-5.1°C), January is the coldest month in Fairfield.Humidity
January, February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In Fairfield, in January, during 7.9 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Fairfield, during the entire year, the rain falls for 147.8 days and collects up to 24.33" (618mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In January, it is snowing for 7.1 days. Throughout January, 1.38" (35mm) of snow is accumulated. Throughout the year, there are 25 snowfall days, and 6.57" (167mm) of snow is accumulated.Daylight
The average length of the day in January in Fairfield is 9h and 46min.On the first day of the month, sunrise is at 7:58 am and sunset at 5:25 pm. On the last day of January, in Fairfield, Ohio, sunrise is at 7:46 am and sunset at 5:56 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 4h of sunshine.UV index
In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during January, leads to the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Fairfield, OH
- Average high temperature in January: 35.2°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in January: 22.8°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in January
Fairfield, OH
- Average pressure in January: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Fairfield, OH
- Average wind speed in January: 9.1mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in January
Fairfield, OH
- Average humidity in January: 81%
The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Fairfield, OH
- Average rainfall in January: 1.61"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in January
Fairfield, OH
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in January
Fairfield, OH
- Average snowfall in January: 1.38"
The months with the highest snowfall are February and March (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Fairfield, OH
- Average snowfall days in January: 7.1 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Fairfield, OH
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in January
Fairfield, OH
- Average sunshine days in January: 17 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in January
Fairfield, OH
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Fairfield, OH
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Fairfield, OH
- 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).
