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 proves to be the coldest month, recording an average maximum temperature of 27.5°F (-2.5°C) and a minimum temperature of 9°F (-12.8°C).Humidity
January and February, with an average relative humidity of 86%, are the most humid months.Rainfall
In Hayden, in January, during 5.8 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Hayden, during the entire year, the rain falls for 96.4 days and collects up to 13.11" (333mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. January is the month with the most snowfall. Snow falls for 16 days and accumulates 11.34" (288mm) of snow.Daylight
In January, the average length of the day in Hayden is 9h and 40min.On the first day of the month, sunrise is at 7:32 am and sunset at 4:52 pm. On the last day of January, in Hayden, sunrise is at 7:19 am and sunset at 5:25 pm MST.
Sunshine
The average sunshine in January is 5.7h.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 estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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
What are the coldest months?
How cold is January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in Hayden in January?
When does it snow the most?
How many days 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 Hayden have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Hayden, CO
- Average high temperature in January: 27.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in January: 9°F
The month with the highest average low temperature is July (49.6°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in January
Hayden, CO
- Average pressure in January: 30.26"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is May (29.92"Hg).
Average wind speed in January
Hayden, CO
- Average wind speed in January: 5.2mph
The windiest months (with the highest average wind speed) are April and June (7.1mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in January
Hayden, CO
- Average humidity in January: 86%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is August (45%).
Average rainfall in January
Hayden, CO
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days in January
Hayden, CO
- Average rainfall days in January: 5.8 days
The months with the highest number of rainy days are April and May (12.3 days).
The month with the least rainy days is November (5 days).
Average snowfall in January
Hayden, CO
- Average snowfall in January: 11.34"
The month with the highest snowfall is January (11.34").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Hayden, CO
- Average snowfall days in January: 16 days
The month with the highest number of snowfall days is February (16.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Hayden, 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 18min).
- Average sunshine in January: 5h and 4min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in January
Hayden, CO
- Average sunshine days in January: 14.3 days
The month with the most sunshine days is June (19.6 days).
The month with the least sunshine days is April (10.2 days).
Average UV index in January
Hayden, CO
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in January
Hayden, CO
- Average cloud cover in January: 41
The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are June, August and September (Cloud cover 13).
Average visibility in January
Hayden, CO
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Hayden, Colorado, USA
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