January weather forecastHeavener, OK
January
Weather in January
January, like December, is a frosty winter month in Heavener, Oklahoma, with an average temperature ranging between min 32.2°F (0.1°C) and max 49.1°F (9.5°C).Temperature
January is the coldest month, with the temperature often reaching an average high of 49.1°F (9.5°C) and an average low of 32.2°F (0.1°C).Humidity
In Heavener, the average relative humidity in January is 73%.Rainfall
January is the month with the least rainfall. Rain falls for 9.2 days and accumulates 1.97" (50mm) of precipitation.Snowfall
January through March and December are months with snowfall. In January, it is snowing for 1.9 days. Throughout January, 0.59" (15mm) of snow is accumulated. Throughout the year, there are 6 snowfall days, and 2.76" (70mm) of snow is accumulated.Daylight
The average length of the day in January is 10h and 8min.On the first day of January, sunrise is at 7:26 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:45 pm CST.
Sunshine
January and December, with an average of 5.4h of sunshine, are months with the least sunshine.UV index
In Heavener, the average daily maximum UV index in January is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 3 during January translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Heavener, OK
- Average high temperature in January: 49.1°F
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in January: 32.2°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in January
Heavener, 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 (29.93"Hg).
Average wind speed in January
Heavener, OK
- Average wind speed in January: 6.6mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Heavener, OK
- Average humidity in January: 73%
The months with the highest relative humidity are February, March and May (76%).
The month with the lowest relative humidity is August (69%).
Average rainfall in January
Heavener, OK
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in January
Heavener, OK
- Average rainfall days in January: 9.2 days
The month with the highest number of rainy days is August (14.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in January
Heavener, OK
- Average snowfall in January: 0.59"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Heavener, OK
- Average snowfall days in January: 1.9 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
Heavener, 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 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in January
Heavener, OK
- Average sunshine days in January: 19.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in January
Heavener, OK
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in January
Heavener, OK
- Average cloud cover in January: 38
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are June and August (Cloud cover 25).
Average visibility in January
Heavener, 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).
