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
Donnelly's weather in January, with an average high-temperature of a still subzero cold 29.5°F (-1.4°C), subtly shifts from December's 28°F (-2.2°C). Throughout January, Donnelly experiences a low-temperature average of 14.7°F (-9.6°C).Humidity
January and February, with an average relative humidity of 91%, are the most humid months in Donnelly.Rainfall
In Donnelly, during January, the rain falls for 4.1 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Donnelly, during the entire year, the rain falls for 98.1 days and collects up to 22.64" (575mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Donnelly. The month with the most snowfall in Donnelly is January, when snow falls for 16.2 days and typically aggregates up to 23.07" (586mm) of snow.Daylight
The average length of the day in January in Donnelly, Idaho, is 9h and 16min.On the first day of January, sunrise is at 8:21 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:50 pm MST.
Sunshine
With an average of 4.2h of sunshine, January has the least sunshine of the year in Donnelly.UV index
January, February and November, with an average maximum UV index of 1, are months with the lowest UV index in Donnelly, Idaho. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 1 in January interprets into the following advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is it in Donnelly in January?
What are the most humid months in Donnelly?
What is the average humidity in January in Donnelly?
How many days does it rain in January in Donnelly?
When does it snow the most in Donnelly?
How many days does it snow in January in Donnelly?
How many hours of daylight does Donnelly have in January?
When are sunrise and sunset in January in Donnelly?
What is the month with the least sunshine in Donnelly?
How many hours of sunshine does Donnelly have in January?
What is the month with the lowest UV index in Donnelly?
What is the UV index reading in January in Donnelly?
Average temperature in January
Donnelly, ID
- Average high temperature in January: 29.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (28°F).
- Average low temperature in January: 14.7°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in January
Donnelly, ID
- Average pressure in January: 30.24"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Donnelly, ID
- Average wind speed in January: 4.2mph
The windiest months (with the highest average wind speed) are March and April (5.3mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in January
Donnelly, ID
- Average humidity in January: 91%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (42%).
Average rainfall in January
Donnelly, ID
- Average rainfall in January: 2.83"
The wettest month (with the highest rainfall) is March (3.31").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in January
Donnelly, ID
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in January
Donnelly, ID
- Average snowfall in January: 23.07"
The month with the highest snowfall is January (23.07").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Donnelly, ID
- Average snowfall days in January: 16.2 days
The month with the highest number of snowfall days is March (17 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Donnelly, ID
- 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: 4h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Donnelly, ID
- Average sunshine days in January: 14.9 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is March (10.1 days).
Average UV index in January
Donnelly, ID
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in January
Donnelly, ID
- Average cloud cover in January: 54
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in January
Donnelly, 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).
Donnelly, Idaho, USA
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