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 shift from December to January is characterized by an average high-temperature of a still freezing cold 27°F (-2.8°C), not significantly different from the 26.4°F (-3.1°C) of December. An average temperature of 13.3°F (-10.4°C) is recorded during the nights in January.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 83%.Rainfall
In Sinclair, during January, the rain falls for 6.2 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 81.7 rainfall days, and 9.72" (247mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 13.9 days. Throughout January, 4.49" (114mm) of snow is accumulated. Throughout the year, there are 80.6 snowfall days, and 33.39" (848mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 34min.On the first day of January, sunrise is at 7:35 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:21 pm MST.
Sunshine
In Sinclair, the average sunshine in January is 6h.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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What are the most humid months?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How many hours of sunshine does Sinclair have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Sinclair, WY
- Average high temperature in January: 27°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is December (26.4°F).
- Average low temperature in January: 13.3°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in January
Sinclair, 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 (29.88"Hg).
Average wind speed in January
Sinclair, WY
- Average wind speed in January: 12.7mph
The windiest month (with the highest average wind speed) is November (13.2mph).
The calmest months (with the lowest average wind speed) are July and August (9.5mph).
Average humidity in January
Sinclair, WY
- Average humidity in January: 83%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are July and August (35%).
Average rainfall in January
Sinclair, WY
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is April (1.42").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in January
Sinclair, WY
- Average rainfall days in January: 6.2 days
The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is November (3.2 days).
Average snowfall in January
Sinclair, WY
- Average snowfall in January: 4.49"
The month with the highest snowfall is April (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Sinclair, WY
- Average snowfall days in January: 13.9 days
The month with the highest number of snowfall days is February (14.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Sinclair, WY
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 6h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in January
Sinclair, WY
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is June (21.1 days).
The month with the least sunshine days is February (11.2 days).
Average UV index in January
Sinclair, 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
Sinclair, WY
- Average cloud cover in January: 42
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are August and September (Cloud cover 13).
Average visibility in January
Sinclair, WY
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Sinclair, Wyoming, USA
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