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
January ushers in an average high-temperature of a still freezing cold 30.9°F (-0.6°C), aligning closely with the preceding month. Throughout January, the average low-temperature records at a still freezing cold 16.5°F (-8.6°C).Humidity
With an average relative humidity of 76%, January is the most humid month in Ralston.Rainfall
January is the month with the least rainfall in Ralston. Rain falls for 5.8 days and accumulates 0.31" (8mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In January, in Ralston, Wyoming, it is snowing for 9.3 days. Throughout January, 2.05" (52mm) of snow is accumulated. Throughout the year, in Ralston, there are 52.1 snowfall days, and 16.97" (431mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 16min.On the first day of the month, sunrise is at 7:52 am and sunset at 4:45 pm. On the last day of January, in Ralston, Wyoming, sunrise is at 7:35 am and sunset at 5:22 pm MST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 6.7h of sunshine.UV index
The months with the lowest UV index in Ralston are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 2 in January translates into this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is it in Ralston in January?
What is the most humid month in Ralston?
What is the average humidity in January in Ralston?
What is the driest month in Ralston?
How much does it rain in Ralston in January?
How much does it snow in Ralston in January?
What is the average length of the day in January in Ralston?
When is the sunrise / sunset in January in Ralston?
What is the month with the least sunshine in Ralston?
How long on average sun shines in January in Ralston?
When is the lowest UV index in Ralston?
What is the UV index reading in January in Ralston?
Average temperature in January
Ralston, WY
- Average high temperature in January: 30.9°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in January: 16.5°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (15.6°F).
Average pressure in January
Ralston, WY
- Average pressure in January: 30.16"Hg
The months with the highest atmospheric pressure are January and December (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Ralston, WY
- Average wind speed in January: 6.3mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in January
Ralston, WY
- Average humidity in January: 76%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (37%).
Average rainfall in January
Ralston, WY
- Average rainfall in January: 0.31"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in January
Ralston, WY
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is December (4.9 days).
Average snowfall in January
Ralston, WY
- Average snowfall in January: 2.05"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Ralston, WY
- Average snowfall days in January: 9.3 days
The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Ralston, WY
- Average daylight in January: 9h and 2min
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 54min).
- Average sunshine in January: 6h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 42min).
Average sunshine days in January
Ralston, WY
- Average sunshine days in January: 20 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in January
Ralston, WY
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Ralston, WY
- Average cloud cover in January: 28
The month with the most cloud cover is February (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in January
Ralston, 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).
Ralston, Wyoming, USA
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