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 in Hayden brings an average high-temperature of a wintry 32.7°F (0.4°C), slightly deviating from December's 31.3°F (-0.4°C). Hayden records a mean low-temperature of 21.6°F (-5.8°C) in January.Humidity
With an average relative humidity of 93%, January is the most humid month.Rainfall
The month with the most rainfall is January, when the rain falls for 11.5 days and typically aggregates up to 3.27" (83mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall in Hayden is January, when snow falls for 16.4 days and typically aggregates up to 16.57" (421mm) of snow.Daylight
In Hayden, Idaho, the average length of the day in January is 8h and 56min.On the first day of January in Hayden, sunrise is at 7:35 am and sunset at 4:05 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:45 pm PST.
Sunshine
In Hayden, the average sunshine in January is 3.5h.UV index
In January, the average daily maximum UV index in Hayden is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
How cold is January in Hayden?
What is the most humid month in Hayden?
What is the average humidity in January in Hayden?
What is the wettest month in Hayden?
How many days does it rain in January in Hayden?
What is the snowiest month in Hayden?
How much does it snow in Hayden in January?
What is the average length of the day in January in Hayden?
What time are sunrise and sunset in January in Hayden?
How many hours of sunshine does Hayden have in January?
What is the UV index reading in January in Hayden?
Average temperature in January
Hayden, ID
- Average high temperature in January: 32.7°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in January
Hayden, ID
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in January
Hayden, ID
- Average wind speed in January: 4mph
The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is December (3.9mph).
Average humidity in January
Hayden, ID
- Average humidity in January: 93%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (48%).
Average rainfall in January
Hayden, ID
- Average rainfall in January: 3.27"
The wettest month (with the highest rainfall) is January (3.27").
The driest months (with the least rainfall) are July and August (0.43").
Average rainfall days in January
Hayden, ID
- Average rainfall days in January: 11.5 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in January
Hayden, ID
- Average snowfall in January: 16.57"
The month with the highest snowfall is January (16.57").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Hayden, ID
- Average snowfall days in January: 16.4 days
The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Hayden, ID
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in January
Hayden, ID
- Average sunshine days in January: 11 days
The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in January
Hayden, ID
- 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 February, November and December (UV index 1).
Average cloud cover in January
Hayden, ID
- Average cloud cover in January: 65
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in January
Hayden, ID
- Average visibility in January: 3mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
Hayden, Idaho, USA
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