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's arrival brings an average high-temperature of a still icy 42.1°F (5.6°C), slightly deviating from December's 40.8°F (4.9°C). Henderson observes an average low-temperature of 22.8°F (-5.1°C) during January nights.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 64%.Rainfall
In Henderson, during January, the rain falls for 3.3 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, there are 80.6 rainfall days, and 5.87" (149mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Henderson, during January, snow falls for 4.8 days and regularly aggregates up to 1.34" (34mm) of snow. In Henderson, during the entire year, snow falls for 30.9 days and aggregates up to 11.42" (290mm) of snow.Daylight
In January, the average length of the day is 9h and 43min.On the first day of January, sunrise is at 7:20 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:17 pm MST.
Sunshine
In Henderson, the average sunshine in January is 6.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during January translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. 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 does it get in January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Henderson have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Henderson, CO
- Average high temperature in January: 42.1°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (40.8°F).
- Average low temperature in January: 22.8°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in January
Henderson, CO
- 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 (29.9"Hg).
Average wind speed in January
Henderson, CO
- Average wind speed in January: 6.2mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is December (6mph).
Average humidity in January
Henderson, CO
- Average humidity in January: 64%
The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is August (40%).
Average rainfall in January
Henderson, CO
- Average rainfall in January: 0.2"
The wettest month (with the highest rainfall) is May (0.98").
The driest month (with the least rainfall) is December (0.12").
Average rainfall days in January
Henderson, CO
- Average rainfall days in January: 3.3 days
The month with the highest number of rainy days is May (10.8 days).
The month with the least rainy days is December (2.6 days).
Average snowfall in January
Henderson, CO
- Average snowfall in January: 1.34"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Henderson, CO
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Henderson, CO
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 6h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in January
Henderson, CO
- Average sunshine days in January: 24.3 days
The month with the most sunshine days is December (25.8 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in January
Henderson, 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
Henderson, CO
- Average cloud cover in January: 24
The month with the most cloud cover is April (Cloud cover 28).
The months with the least cloud cover are June, August and September (Cloud cover 16).
Average visibility in January
Henderson, 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).
Henderson, Colorado, USA
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