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
The initiation of January sees an average high-temperature of an icy 32°F (0°C), showing minor variations from the previous month. Throughout January, an average nighttime temperature of 19.9°F (-6.7°C) is experienced in Silverton.Humidity
With an average relative humidity of 92%, January is the most humid month.Rainfall
January is the month with the most rainfall. Rain falls for 7.6 days and accumulates 3.07" (78mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. January is the month with the most snowfall. Snow falls for 14.3 days and accumulates 16.5" (419mm) of snow.Daylight
In Silverton, the average length of the day in January is 8h and 58min.On the first day of the month, sunrise is at 7:31 am and sunset at 4:03 pm. On the last day of January, sunrise is at 7:11 am and sunset at 4:43 pm PST.
Sunshine
In January, the average sunshine is 3.3h.UV index
The months with the lowest UV index in Silverton are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 1 during January morphs into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
How cold is it in Silverton in January?
What is the most humid month in Silverton?
What is the average humidity in January in Silverton?
What is the rainiest month in Silverton?
How many days does it rain in January in Silverton?
What is the snowiest month in Silverton?
How many days does it snow in January in Silverton?
How many hours of daylight does Silverton have in January?
When is the sunrise / sunset in January in Silverton?
How many hours of sunshine does Silverton have in January?
What are the months with the lowest UV index in Silverton?
How high is the UV index in January in Silverton?
Average temperature in January
Silverton, ID
- Average high temperature in January: 32°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (30°F).
- Average low temperature in January: 19.9°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).
Average pressure in January
Silverton, ID
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in January
Silverton, ID
- Average wind speed in January: 4.4mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest months (with the lowest average wind speed) are September and December (4.2mph).
Average humidity in January
Silverton, ID
- Average humidity in January: 92%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are July and August (53%).
Average rainfall in January
Silverton, ID
- Average rainfall in January: 3.07"
The wettest month (with the highest rainfall) is January (3.07").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in January
Silverton, ID
- Average rainfall days in January: 7.6 days
The month with the highest number of rainy days is April (17.3 days).
The month with the least rainy days is July (6 days).
Average snowfall in January
Silverton, ID
- Average snowfall in January: 16.5"
The month with the highest snowfall is January (16.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Silverton, ID
- Average snowfall days in January: 14.3 days
The month with the highest number of snowfall days is December (15.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Silverton, ID
- Average daylight in January: 9h and 0min
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 2min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in January
Silverton, ID
- Average sunshine days in January: 13.3 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is March (9.3 days).
Average UV index in January
Silverton, 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, November and December (UV index 1).
Average cloud cover in January
Silverton, ID
- Average cloud cover in January: 67
The months with the most cloud cover are January, February and December (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in January
Silverton, ID
- Average visibility in January: 3mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Silverton, Idaho, USA
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