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 begins with an average high-temperature of a still subzero cold 25.2°F (-3.8°C), reflecting close similarity to the preceding month. Darby, during the month of January, experiences an average low-temperature of 7.9°F (-13.4°C).Humidity
In January, the average relative humidity is 93%.Rainfall
In Darby, during January, the rain falls for 3 days and regularly aggregates up to 3.66" (93mm) of precipitation. Throughout the year, there are 96.6 rainfall days, and 32.95" (837mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, August through December. In Darby, in January, snow falls for 21.8 days, with typically accumulated 30.2" (767mm) of snow. In Darby, during the entire year, snow falls for 160.8 days and aggregates up to 200.16" (5084mm) of snow.Daylight
In January, the average length of the day in Darby is 9h and 23min.On the first day of January, sunrise is at 7:57 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:33 pm MST.
Sunshine
In Darby, the average sunshine in January is 3.5h.UV index
January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In January, the maximum UV index of 1 suggests these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the average humidity in January in Darby?
How much does it rain in January?
How much does it snow in Darby in January?
How many hours of daylight does Darby have in January?
When are sunrise and sunset in January in Darby?
How many hours of sunshine does Darby have in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Darby, ID
- Average high temperature in January: 25.2°F
The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is December (23.2°F).
- Average low temperature in January: 7.9°F
The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is December (7.7°F).
Average pressure in January
Darby, ID
- Average pressure in January: 30.27"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Darby, ID
- Average wind speed in January: 4.8mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).
Average humidity in January
Darby, ID
- Average humidity in January: 93%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall in January
Darby, ID
- Average rainfall in January: 3.66"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in January
Darby, ID
- Average rainfall days in January: 3 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (3 days).
Average snowfall in January
Darby, ID
- Average snowfall in January: 30.2"
The month with the highest snowfall is February (34.33").
The month with the least snowfall is July (0").
Average snowfall days in January
Darby, ID
- Average snowfall days in January: 21.8 days
The month with the highest number of snowfall days is March (23.6 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in January /
Average sunshine in January
Darby, ID
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in January
Darby, ID
- Average sunshine days in January: 9.8 days
The month with the most sunshine days is July (20.3 days).
The month with the least sunshine days is April (6.2 days).
Average UV index in January
Darby, ID
- Average UV index in January: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in January
Darby, ID
- Average cloud cover in January: 66
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in January
Darby, ID
- Average visibility in January: 3mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (3mi).
Darby, Idaho, USA
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