January weather forecastHartville, WY
January
Weather in January
January, the same as December, is a wintry winter month in Hartville, Wyoming, with an average temperature fluctuating between 34.9°F (1.6°C) and 20.5°F (-6.4°C).Temperature
The onset of January brings an average high-temperature of a still icy 34.9°F (1.6°C), nearly matching the December temperature. The average low-temperature during January nights is a subzero cold 20.5°F (-6.4°C).Humidity
In Hartville, the average relative humidity in January is 69%.Rainfall
January is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.31" (8mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Hartville, in January, snow falls for 7.2 days, with typically accumulated 1.65" (42mm) of snow. Throughout the year, there are 43 snowfall days, and 18.27" (464mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 31min.On the first day of January, sunrise is at 7:27 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:11 pm MST.
Sunshine
In January, the average sunshine is 6.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Hartville, WY
- Average high temperature in January: 34.9°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (33.8°F).
- Average low temperature in January: 20.5°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).
Average pressure in January
Hartville, WY
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Hartville, WY
- Average wind speed in January: 11.2mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in January
Hartville, WY
- Average humidity in January: 69%
The month with the highest relative humidity is February (70%).
The month with the lowest relative humidity is August (40%).
Average rainfall in January
Hartville, WY
- Average rainfall in January: 0.31"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in January
Hartville, WY
- Average rainfall days in January: 3.8 days
The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in January
Hartville, WY
- Average snowfall in January: 1.65"
The month with the highest snowfall is November (2.8").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Hartville, WY
- Average snowfall days in January: 7.2 days
The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Hartville, WY
- Average daylight in January: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 6h and 42min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in January
Hartville, WY
- Average sunshine days in January: 21.3 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is April (14.5 days).
Average UV index in January
Hartville, WY
- 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 January, February, November and December (UV index 2).
Average cloud cover in January
Hartville, WY
- Average cloud cover in January: 28
The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in January
Hartville, WY
- 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).
