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 observes an average high-temperature of a still icy 42.4°F (5.8°C), nearly identical to December's 41.5°F (5.3°C). Throughout the nights in January, Rockvale experiences an average low-temperature of 24.1°F (-4.4°C).Humidity
The average relative humidity in January is 61%.Rainfall
In Rockvale, Colorado, in January, it is raining for 4.4 days, with typically 0.47" (12mm) of accumulated precipitation. In Rockvale, during the entire year, the rain falls for 120.5 days and collects up to 14.92" (379mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Rockvale. In Rockvale, Colorado, in January, during 6.5 snowfall days, 2.91" (74mm) of snow is typically accumulated. Throughout the year, there are 33.9 snowfall days, and 23.27" (591mm) of snow is accumulated.Daylight
In Rockvale, the average length of the day in January is 9h and 52min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:50 pm. On the last day of January, in Rockvale, sunrise is at 7:06 am and sunset at 5:21 pm MST.
Sunshine
In January, the average sunshine is 7h.UV index
The months with the lowest UV index are January, February, 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 unsafe exposure to UV radiation for the average person.Note: In January, a regular UV index of 2 translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. To protect against the Sun's most potent rays, avoid direct exposure around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Rockvale in January?
What is the average humidity in January in Rockvale?
How much does it rain in Rockvale in January?
How much does it snow in Rockvale in January?
How many hours of daylight does Rockvale have in January?
When is the sunrise / sunset in January in Rockvale?
How long on average sun shines in January in Rockvale?
What is the month with the lowest UV index in Rockvale?
What is the UV index intensity in January in Rockvale?
Average temperature in January
Rockvale, CO
- Average high temperature in January: 42.4°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (41.5°F).
- Average low temperature in January: 24.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (23°F).
Average pressure in January
Rockvale, CO
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).
Average wind speed in January
Rockvale, CO
- Average wind speed in January: 7.5mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in January
Rockvale, CO
- Average humidity in January: 61%
The month with the highest relative humidity is February (62%).
The month with the lowest relative humidity is June (38%).
Average rainfall in January
Rockvale, CO
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is November (0.43").
Average rainfall days in January
Rockvale, CO
- Average rainfall days in January: 4.4 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is November (3.9 days).
Average snowfall in January
Rockvale, CO
- Average snowfall in January: 2.91"
The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Rockvale, CO
- Average snowfall days in January: 6.5 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rockvale, CO
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 7h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in January
Rockvale, CO
- Average sunshine days in January: 22.6 days
The month with the most sunshine days is November (23.8 days).
The month with the least sunshine days is July (5.1 days).
Average UV index in January
Rockvale, CO
- 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, November and December (UV index 2).
Average cloud cover in January
Rockvale, CO
- Average cloud cover in January: 20
The months with the most cloud cover are February and April (Cloud cover 23).
The months with the least cloud cover are June and September (Cloud cover 14).
Average visibility in January
Rockvale, CO
- 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).
Rockvale, Colorado, USA
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