January weather forecastGrover, WY
January
Weather in January
January, the same as December, in Grover, Wyoming, is another subzero cold winter month, with temperature in the range of an average low of 5.4°F (-14.8°C) and an average high of 25.5°F (-3.6°C).Temperature
Grover's weather in January displays an average high-temperature of a still freezing cold 25.5°F (-3.6°C), showing minor disparity from December's 24.1°F (-4.4°C). In Grover, the average low-temperature during the month of January is a frigid cold 5.4°F (-14.8°C).Humidity
The average relative humidity in January in Grover is 92%.Rainfall
In Grover, during January, the rain falls for 4.7 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, in Grover, there are 109.5 rainfall days, and 21.61" (549mm) of precipitation is accumulated.Snowfall
Months with snowfall in Grover are January through June, September through December. In Grover, in January, snow falls for 19.7 days, with typically accumulated 19.06" (484mm) of snow. Throughout the year, there are 126.9 snowfall days, and 106.65" (2709mm) of snow is accumulated.Daylight
The average length of the day in January in Grover is 9h and 28min.On the first day of the month, sunrise is at 7:54 am and sunset at 5:00 pm. On the last day of January, sunrise is at 7:39 am and sunset at 5:34 pm MST.
Sunshine
In January, the average sunshine is 4.5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In January, a regular UV index of 1 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Grover, WY
- Average high temperature in January: 25.5°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is December (24.1°F).
- Average low temperature in January: 5.4°F
The month with the highest average low temperature is July (45.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in January
Grover, WY
- Average pressure in January: 30.29"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Grover, WY
- Average wind speed in January: 4.2mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest months (with the lowest average wind speed) are January and December (4.2mph).
Average humidity in January
Grover, WY
- Average humidity in January: 92%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (45%).
Average rainfall in January
Grover, WY
- Average rainfall in January: 2.32"
The wettest month (with the highest rainfall) is February (2.72").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days in January
Grover, WY
- Average rainfall days in January: 4.7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in January
Grover, WY
- Average snowfall in January: 19.06"
The month with the highest snowfall is February (19.96").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Grover, WY
- Average snowfall days in January: 19.7 days
The month with the highest number of snowfall days is December (21.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Grover, WY
- Average daylight in January: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 4h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in January
Grover, WY
- Average sunshine days in January: 11.5 days
The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is April (7 days).
Average UV index in January
Grover, WY
- Average UV index in January: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in January
Grover, WY
- Average cloud cover in January: 56
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in January
Grover, WY
- Average visibility in January: 3mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
