January weather forecastCalvin, OK
January
Weather in January
January, the same as December, in Calvin, Oklahoma, is another chilly winter month, with an average temperature fluctuating between 33.3°F (0.7°C) and 48.7°F (9.3°C).Temperature
Calvin's coldest month, January, registers temperatures that range from a high of 48.7°F (9.3°C) to a low of 33.3°F (0.7°C).Humidity
In January, the average relative humidity is 67%.Rainfall
In Calvin, Oklahoma, in January, during 6.7 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Calvin, during the entire year, the rain falls for 131 days and collects up to 28.39" (721mm) of precipitation.Snowfall
Months with snowfall in Calvin are January through April, November and December. In January, it is snowing for 1.4 days. Throughout January, 0.63" (16mm) of snow is accumulated. In Calvin, during the entire year, snow falls for 5.7 days and aggregates up to 3.15" (80mm) of snow.Daylight
The average length of the day in January is 10h and 7min.On the first day of the month, sunrise is at 7:32 am and sunset at 5:24 pm. On the last day of January, sunrise is at 7:24 am and sunset at 5:52 pm CST.
Sunshine
In Calvin, the average sunshine in January is 5.9h.UV index
In January, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 3 in January leads to these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Calvin, OK
- Average high temperature in January: 48.7°F
The warmest month (with the highest average high temperature) is August (92.1°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in January: 33.3°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in January
Calvin, 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 (29.89"Hg).
Average wind speed in January
Calvin, OK
- Average wind speed in January: 10.2mph
The windiest month (with the highest average wind speed) is March (11mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in January
Calvin, OK
- Average humidity in January: 67%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (64%).
Average rainfall in January
Calvin, OK
- Average rainfall in January: 1.57"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in January
Calvin, OK
- Average rainfall days in January: 6.7 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in January
Calvin, OK
- Average snowfall in January: 0.63"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Calvin, OK
- Average snowfall days in January: 1.4 days
The month with the highest number of snowfall days is February (2.1 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
Calvin, OK
- Average daylight in January: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 5h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
Calvin, OK
- Average sunshine days in January: 22.5 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (14.5 days).
Average UV index in January
Calvin, OK
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in January
Calvin, OK
- Average cloud cover in January: 32
The months with the most cloud cover are February and March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in January
Calvin, 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).





