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
With average temperatures fluctuating between a high of 45.5°F (7.5°C) and a low of 28.8°F (-1.8°C), January stands out as the coldest month.Humidity
In January, the average relative humidity is 66%.Rainfall
In January, the rain falls for 4.5 days. Throughout January, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 116.1 rainfall days, and 21.57" (548mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, October through December. In Grainville, in January, during 2.2 snowfall days, 0.43" (11mm) of snow is typically accumulated. Throughout the year, there are 7.6 snowfall days, and 2.6" (66mm) of snow is accumulated.Daylight
In Grainville, the average length of the day in January is 9h and 59min.On the first day of January, sunrise is at 7:41 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:52 pm CST.
Sunshine
The months with the least sunshine are January and December, with an average of 6.2h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
What are January temperatures?
What is the average humidity in January?
How much 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?
How many hours of sunshine does Grainville have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Grainville, OK
- Average high temperature in January: 45.5°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in January: 28.8°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in January
Grainville, 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
Grainville, OK
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in January
Grainville, OK
- Average humidity in January: 66%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is July (61%).
Average rainfall in January
Grainville, OK
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days in January
Grainville, OK
- Average rainfall days in January: 4.5 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in January
Grainville, OK
- Average snowfall in January: 0.43"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in January
Grainville, OK
- Average snowfall days in January: 2.2 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Grainville, 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 18min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days in January
Grainville, OK
- Average sunshine days in January: 24 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (13.7 days).
Average UV index in January
Grainville, 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
Grainville, OK
- Average cloud cover in January: 29
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in January
Grainville, 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).
Grainville, Oklahoma, USA
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