Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Riggins witnesses the coldest weather in December, with temperatures averaging a high of 25.3°F (-3.7°C) and a low of 12.7°F (-10.7°C).Humidity
The average relative humidity in December is 91%.Rainfall
In Riggins, during December, the rain falls for 3.5 days and regularly aggregates up to 3.82" (97mm) of precipitation. In Riggins, during the entire year, the rain falls for 81 days and collects up to 32.68" (830mm) of precipitation.Snowfall
Months with snowfall in Riggins are January through December. In December, it is snowing for 22.1 days. Throughout December, 32.13" (816mm) of snow is accumulated. Throughout the year, there are 160 snowfall days, and 210.63" (5350mm) of snow is accumulated.Daylight
The month with the shortest days in Riggins is December, with an average of 8h and 48min of daylight.On the first day of December in Riggins, Idaho, sunrise is at 7:05 am and sunset at 4:03 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:12 pm PST.
Sunshine
The average sunshine in December in Riggins is 3.4h.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 reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the coldest time of year in Riggins?
How cold is December in Riggins?
What is the average humidity in December in Riggins?
How many days does it rain in December in Riggins?
How much does it snow in Riggins in December?
What is the month with the shortest days in Riggins?
What is the average length of the day in December in Riggins?
When is the sunrise / sunset in December in Riggins?
How many hours of sunshine does Riggins have in December?
When is the lowest UV index in Riggins?
What is the UV index intensity in December in Riggins?
Average temperature in December
Riggins, ID
- Average high temperature in December: 25.3°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 December: 12.7°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 December
Riggins, ID
- Average pressure in December: 30.21"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 December
Riggins, ID
- Average wind speed in December: 5.9mph
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 December
Riggins, ID
- Average humidity in December: 91%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (48%).
Average rainfall in December
Riggins, ID
- Average rainfall in December: 3.82"
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 December
Riggins, ID
- Average rainfall days in December: 3.5 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 December
Riggins, ID
- Average snowfall in December: 32.13"
The month with the highest snowfall is February (36.1").
The month with the least snowfall is August (0.08").
Average snowfall days in December
Riggins, ID
- Average snowfall days in December: 22.1 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 December /
Average sunshine in December
Riggins, ID
- Average daylight in December: 8h and 5min
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 December: 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 December
Riggins, ID
- Average sunshine days in December: 9 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 December
Riggins, ID
- Average UV index in December: 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 December
Riggins, ID
- Average cloud cover in December: 67
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 December
Riggins, ID
- Average visibility in December: 4mi
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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