January weather forecastHamilton Dome, WY
January
Weather in January
January, the same as December, in Hamilton Dome, Wyoming, is another subzero cold winter month, with an average temperature varying between 28.9°F (-1.7°C) and 12.6°F (-10.8°C).Temperature
The high-temperature average in January for Hamilton Dome is a still subzero cold 28.9°F (-1.7°C), staying closely aligned with December's conditions. Hamilton Dome observes an average nighttime temperature of 12.6°F (-10.8°C) during January.Humidity
The most humid month in Hamilton Dome is January, with an average relative humidity of 81%.Rainfall
The month with the least rainfall in Hamilton Dome is January, when the rain falls for 4.3 days and typically collects 0.43" (11mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Hamilton Dome, in January, snow falls for 9.3 days, with typically accumulated 3.07" (78mm) of snow. Throughout the year, there are 51.2 snowfall days, and 21.3" (541mm) of snow is accumulated.Daylight
In Hamilton Dome, the average length of the day in January is 9h and 22min.On the first day of January in Hamilton Dome, sunrise is at 7:48 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:23 pm MST.
Sunshine
In January, the average sunshine in Hamilton Dome is 6.5h.UV index
January through April, November and 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 health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Hamilton Dome, WY
- Average high temperature in January: 28.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (28.2°F).
- Average low temperature in January: 12.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in January
Hamilton Dome, WY
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Hamilton Dome, WY
- Average wind speed in January: 5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in January
Hamilton Dome, WY
- Average humidity in January: 81%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (35%).
Average rainfall in January
Hamilton Dome, WY
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in January
Hamilton Dome, WY
- Average rainfall days in January: 4.3 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and December (4.3 days).
Average snowfall in January
Hamilton Dome, WY
- Average snowfall in January: 3.07"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Hamilton Dome, WY
- Average snowfall days in January: 9.3 days
The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Hamilton Dome, WY
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 6h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in January
Hamilton Dome, WY
- Average sunshine days in January: 20.2 days
The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in January
Hamilton Dome, 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, November and December (UV index 2).
Average cloud cover in January
Hamilton Dome, WY
- Average cloud cover in January: 30
The month with the most cloud cover is February (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in January
Hamilton Dome, WY
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
