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
Riggins's shift into January is marked by a subtle change to a still freezing cold 27.1°F (-2.7°C) from December's 25.3°F (-3.7°C) in temperature. Throughout the month of January, Riggins sees a steady low-temperature average of 12°F (-11.1°C).Humidity
In Riggins, the average relative humidity in January is 92%.Rainfall
In Riggins, during January, the rain falls for 1.8 days and regularly aggregates up to 4.06" (103mm) of precipitation. Throughout the year, there are 81 rainfall days, and 32.68" (830mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through December. In Riggins, Idaho, in January, during 20.6 snowfall days, 33.78" (858mm) of snow is typically accumulated. In Riggins, during the entire year, snow falls for 160 days and aggregates up to 210.63" (5350mm) of snow.Daylight
The average length of the day in January is 9h and 12min.On the first day of the month, sunrise is at 7:24 am and sunset at 4:12 pm. On the last day of January, in Riggins, sunrise is at 7:07 am and sunset at 4:50 pm PST.
Sunshine
The month with the least sunshine in Riggins, Idaho, is January, with an average of 3.3h of sunshine.UV index
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 1 in January suggests the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Riggins have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Riggins, ID
- Average high temperature in January: 27.1°F
The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is December (25.3°F).
- Average low temperature in January: 12°F
The month with the highest average low temperature is August (45.7°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in January
Riggins, ID
- Average pressure in January: 30.23"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Riggins, ID
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is March (6mph).
The calmest months (with the lowest average wind speed) are May, June, August and September (5.3mph).
Average humidity in January
Riggins, ID
- Average humidity in January: 92%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (48%).
Average rainfall in January
Riggins, ID
- Average rainfall in January: 4.06"
The wettest month (with the highest rainfall) is February (4.49").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in January
Riggins, ID
- Average rainfall days in January: 1.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in January
Riggins, ID
- Average snowfall in January: 33.78"
The month with the highest snowfall is February (36.1").
The month with the least snowfall is August (0.08").
Average snowfall days in January
Riggins, ID
- Average snowfall days in January: 20.6 days
The month with the highest number of snowfall days is March (24.9 days).
The month with the least snowfall days is August (0.3 days).
Average daylight in January /
Average sunshine in January
Riggins, ID
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 3h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Riggins, ID
- Average sunshine days in January: 11 days
The month with the most sunshine days is July (22.3 days).
The months with the least sunshine days are February and March (6.3 days).
Average UV index in January
Riggins, 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, April, November and December (UV index 1).
Average cloud cover in January
Riggins, ID
- Average cloud cover in January: 65
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in January
Riggins, ID
- Average visibility in January: 3mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
Riggins, Idaho, USA
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