January weather forecastGlenrock, WY
January
Weather in January
Glenrock, Wyoming kick-starts the year under the reign of winter, with January waltzing in coated in a frosty white blanket. As temperatures hover from 16.9°F (-8.4°C) to 30°F (-1.1°C), the inhabitants brace themselves against the cold winds sweeping across the landscapes. Known as the period with the highest snowfall, 4.17" (106mm) on average, it blankets the surroundings in a pristine white layer. Days are at their shortest, limiting the hours of daylight to 9.5 hours, making nighttime seem longer. The combination of reduced daylight and bone-chilling cold provide the perfect backdrop for cozy indoor activities, marking January as a quintessential winter month.Temperature
The average high-temperature during January is a still freezing cold 30°F (-1.1°C), almost matching the conditions of the preceding month. Glenrock cools down to an average low-temperature of 16.9°F (-8.4°C) throughout the month of January.Humidity
In January, the average relative humidity is 76%.Rainfall
January is the month with the least rainfall. Rain falls for 4.9 days and accumulates 0.59" (15mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In January, it is snowing for 11.6 days. Throughout January, 4.17" (106mm) of snow is accumulated. In Glenrock, during the entire year, snow falls for 65.9 days and aggregates up to 33.03" (839mm) of snow.Daylight
The average length of the day in January is 9h and 28min.On the first day of January, sunrise is at 7:34 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:14 pm MST.
Sunshine
In Glenrock, the average sunshine in January is 6.5h.UV index
The months with the lowest UV index are January, February, April, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 in January translates into these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Glenrock, WY
- Average high temperature in January: 30°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in January: 16.9°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).
Average pressure in January
Glenrock, WY
- 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 (29.85"Hg).
Average wind speed in January
Glenrock, WY
- Average wind speed in January: 13mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest months (with the lowest average wind speed) are July and August (8.8mph).
Average humidity in January
Glenrock, WY
- Average humidity in January: 76%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (39%).
Average rainfall in January
Glenrock, WY
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in January
Glenrock, WY
- Average rainfall days in January: 4.9 days
The month with the highest number of rainy days is May (14.8 days).
The months with the least rainy days are January and December (4.9 days).
Average snowfall in January
Glenrock, WY
- Average snowfall in January: 4.17"
The month with the highest snowfall is November (4.84").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Glenrock, WY
- Average snowfall days in January: 11.6 days
The month with the highest number of snowfall days is February (11.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Glenrock, 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: 6h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in January
Glenrock, WY
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is November (18.9 days).
The months with the least sunshine days are April and May (11.3 days).
Average UV index in January
Glenrock, WY
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, April, October, November and December (UV index 2).
Average cloud cover in January
Glenrock, 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 13).
Average visibility in January
Glenrock, 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).
