January weather forecastLander, WY

January
Weather in January
In Lander, Wyoming, the cold grip of winter is most evident in January. Forecasts typically predict gentle snowfall, resulting in a picturesque white landscape. Compared to February, January is noticeably colder and slightly drier. Visibility is generally considered good, despite the prevalent cloud cover of about 23%. Notably, the month experiences lower temperatures, ranging from 13.5°F (-10.3°C) to 29.7°F (-1.3°C), with a significant average snowfall of 3.03" (77mm).Temperature
Lander registers an average high-temperature of a still freezing cold 29.7°F (-1.3°C) at the commencement of January, closely related to the preceding month. January's average low-temperature reading settles at an extreme cold 13.5°F (-10.3°C).Humidity
In January, the average relative humidity is 77%.Rainfall
The month with the least rainfall is January, when the rain falls for 6.3 days and typically collects 0.43" (11mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In January, it is snowing for 8.4 days. Throughout January, 3.03" (77mm) of snow is accumulated. In Lander, during the entire year, snow falls for 56.6 days and aggregates up to 39.65" (1007mm) of snow.Daylight
The average length of the day in January is 9h and 28min.On the first day of the month, sunrise is at 7:45 am and sunset at 4:51 pm. On the last day of January, sunrise is at 7:30 am and sunset at 5:26 pm MST.
Sunshine
The months with the least sunshine are January and February, with an average of 6.9h of sunshine.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in January translates into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Lander, WY
- Average high temperature in January: 29.7°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in January: 13.5°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in January
Lander, WY
- Average pressure in January: 30.23"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Lander, WY
- Average wind speed in January: 7mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in January
Lander, WY
- Average humidity in January: 77%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (34%).
Average rainfall in January
Lander, WY
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in January
Lander, WY
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is November (4.8 days).
Average snowfall in January
Lander, WY
- Average snowfall in January: 3.03"
The month with the highest snowfall is April (8.15").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Lander, WY
- Average snowfall days in January: 8.4 days
The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Lander, 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 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 6h and 54min).
Average sunshine days in January
Lander, WY
- Average sunshine days in January: 21.3 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in January
Lander, WY
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in January
Lander, WY
- Average cloud cover in January: 23
The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in January
Lander, 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).





