Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The advent of January signifies a minor shift to an average high-temperature of a still freezing cold 27.9°F (-2.3°C), aligning closely with December. An average low-temperature of 12.2°F (-11°C) is observed during the January nights.Humidity
January and February, with an average relative humidity of 82%, are the most humid months in Lyman.Rainfall
The months with the least rainfall are January and July Rain falls for 8.2 days and accumulates 0.63" (16mm) of rain.Snowfall
January through June, September through December are months with snowfall. In January, it is snowing for 12.2 days. Throughout January, 4.02" (102mm) of snow is accumulated. Throughout the year, there are 85.7 snowfall days, and 41.18" (1046mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 36min.On the first day of January, sunrise is at 7:46 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:35 pm MST.
Sunshine
In January, the average sunshine is 6.5h.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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January in Lyman?
What are the most humid months?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January in Lyman?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Lyman, WY
- Average high temperature in January: 27.9°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in January: 12.2°F
The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in January
Lyman, WY
- Average pressure in January: 30.28"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Lyman, WY
- Average wind speed in January: 9.3mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in January
Lyman, WY
- Average humidity in January: 82%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in January
Lyman, WY
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are January and July (0.63").
Average rainfall days in January
Lyman, WY
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is November (6 days).
Average snowfall in January
Lyman, WY
- Average snowfall in January: 4.02"
The month with the highest snowfall is March (8.78").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Lyman, WY
- Average snowfall days in January: 12.2 days
The month with the highest number of snowfall days is March (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Lyman, WY
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 6h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in January
Lyman, WY
- Average sunshine days in January: 17.2 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is April (9.4 days).
Average UV index in January
Lyman, WY
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in January
Lyman, WY
- Average cloud cover in January: 31
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in January
Lyman, WY
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Lyman, Wyoming, USA
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