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
January, with its high-temperature average of 21.4°F (-5.9°C) and a low-temperature average of 7.3°F (-13.7°C), is the coldest month.Humidity
The most humid month is January, with an average relative humidity of 89%.Rainfall
The months with the least rainfall in Grassy Butte are January and February Rain falls for 3.3 days and accumulates 0.43" (11mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Grassy Butte, during January, snow falls for 11.2 days and regularly aggregates up to 2.6" (66mm) of snow. Throughout the year, there are 58.2 snowfall days, and 16.54" (420mm) of snow is accumulated.Daylight
In Grassy Butte, the average length of the day in January is 8h and 59min.On the first day of the month, sunrise is at 7:40 am and sunset at 4:12 pm. On the last day of January, sunrise is at 7:20 am and sunset at 4:52 pm MST.
Sunshine
The months with the least sunshine are January and December, with an average of 4h of sunshine.UV index
In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Grassy Butte have in January?
What time are sunrise and sunset in January?
What are the months with the least sunshine?
How long on average sun shines in January in Grassy Butte?
What is the UV index intensity in January?
Average temperature in January
Grassy Butte, ND
- Average high temperature in January: 21.4°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (21.4°F).
- Average low temperature in January: 7.3°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in January
Grassy Butte, ND
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in January
Grassy Butte, ND
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in January
Grassy Butte, ND
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (49%).
Average rainfall in January
Grassy Butte, ND
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are January and February (0.43").
Average rainfall days in January
Grassy Butte, ND
- Average rainfall days in January: 3.3 days
The month with the highest number of rainy days is June (12.6 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in January
Grassy Butte, ND
- Average snowfall in January: 2.6"
The month with the highest snowfall is December (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Grassy Butte, ND
- Average snowfall days in January: 11.2 days
The months with the highest number of snowfall days are January and December (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Grassy Butte, ND
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in January
Grassy Butte, ND
- Average sunshine days in January: 18.4 days
The month with the most sunshine days is September (20.5 days).
The month with the least sunshine days is April (14.9 days).
Average UV index in January
Grassy Butte, ND
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in January
Grassy Butte, ND
- Average cloud cover in January: 57
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in January
Grassy Butte, ND
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Grassy Butte, North Dakota, USA
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