January weather forecastRockypoint, WY
January
Weather in January
January, like December, is another subzero cold winter month in Rockypoint, Wyoming, with an average temperature varying between 30.4°F (-0.9°C) and 17.6°F (-8°C).Temperature
In January, Rockypoint experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 29.7°F (-1.3°C) in December to a still subzero cold 30.4°F (-0.9°C). In Rockypoint, the average temperature during the nights of January drops to a still freezing cold 17.6°F (-8°C).Humidity
The most humid month is January, with an average relative humidity of 78%.Rainfall
The month with the least rainfall is January, when the rain falls for 2 days and typically collects 0.39" (10mm) of precipitation.Snowfall
Months with snowfall in Rockypoint are January through May, September through December. In Rockypoint, in January, snow falls for 7 days, with typically accumulated 2.01" (51mm) of snow. Throughout the year, there are 50.5 snowfall days, and 19.53" (496mm) of snow is accumulated.Daylight
The average length of the day in January in Rockypoint is 9h and 15min.On the first day of the month, sunrise is at 7:38 am and sunset at 4:29 pm. On the last day of January, sunrise is at 7:21 am and sunset at 5:06 pm MST.
Sunshine
The average sunshine in January in Rockypoint is 5.8h.UV index
The months with the lowest UV index are January, February, April, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, a regular UV index of 2 translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take heed! The reflection of snow can intensify 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
Rockypoint, WY
- Average high temperature in January: 30.4°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in January: 17.6°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).
Average pressure in January
Rockypoint, 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
Rockypoint, WY
- Average wind speed in January: 10.9mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (9.1mph).
Average humidity in January
Rockypoint, WY
- Average humidity in January: 78%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).
Average rainfall in January
Rockypoint, WY
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in January
Rockypoint, WY
- Average rainfall days in January: 2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in January
Rockypoint, WY
- Average snowfall in January: 2.01"
The month with the highest snowfall is April (3.82").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Rockypoint, WY
- Average snowfall days in January: 7 days
The month with the highest number of snowfall days is February (9.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Rockypoint, WY
- Average daylight in January: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 5h and 48min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in January
Rockypoint, WY
- Average sunshine days in January: 21.5 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in January
Rockypoint, 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, April, November and December (UV index 2).
Average cloud cover in January
Rockypoint, WY
- Average cloud cover in January: 41
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in January
Rockypoint, 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).





