January weather forecastJay Em, WY
January
Weather in January
January, like December, in Jay Em, Wyoming, is another cold winter month, with an average temperature ranging between min 19.9°F (-6.7°C) and max 33.1°F (0.6°C).Temperature
During January, the average high-temperature is a still cold 33.1°F (0.6°C), maintaining a close resemblance to that of the preceding month. During January, the average low-temperature in Jay Em is a subzero cold 19.9°F (-6.7°C).Humidity
The most humid month is January, with an average relative humidity of 74%.Rainfall
The month with the least rainfall is January, when the rain falls for 3.3 days and typically collects 0.28" (7mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Jay Em, in January, snow falls for 7.3 days, with typically accumulated 1.57" (40mm) of snow. In Jay Em, during the entire year, snow falls for 43.6 days and aggregates up to 15.63" (397mm) of snow.Daylight
In Jay Em, the average length of the day in January is 9h and 29min.On the first day of January, sunrise is at 7:26 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:09 pm MST.
Sunshine
In Jay Em, the average sunshine in January is 6.4h.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 value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Jay Em, WY
- Average high temperature in January: 33.1°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (32°F).
- Average low temperature in January: 19.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).
Average pressure in January
Jay Em, WY
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in January
Jay Em, WY
- Average wind speed in January: 11.6mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in January
Jay Em, WY
- Average humidity in January: 74%
The month with the highest relative humidity is January (74%).
The months with the lowest relative humidity are August and September (44%).
Average rainfall in January
Jay Em, WY
- Average rainfall in January: 0.28"
The wettest months (with the highest rainfall) are May and June (1.57").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in January
Jay Em, WY
- Average rainfall days in January: 3.3 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is December (2.7 days).
Average snowfall in January
Jay Em, WY
- Average snowfall in January: 1.57"
The month with the highest snowfall is March (2.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Jay Em, WY
- Average snowfall days in January: 7.3 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Jay Em, 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 24min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).
Average sunshine days in January
Jay Em, WY
- Average sunshine days in January: 21.5 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in January
Jay Em, 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
Jay Em, WY
- Average cloud cover in January: 32
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in January
Jay Em, 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).
