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
Entering January, Firth's average high-temperature reads a still freezing cold 28°F (-2.2°C), indicating a close resemblance to the previous month's climate. Throughout the nights in January, an average low-temperature of 14.7°F (-9.6°C) is noted.Humidity
With an average relative humidity of 90%, January is the most humid month.Rainfall
In Firth, in January, it is raining for 6.1 days, with typically 1.06" (27mm) of accumulated precipitation. In Firth, during the entire year, the rain falls for 124.6 days and collects up to 12.24" (311mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. The month with the most snowfall in Firth, Idaho, is January, when snow falls for 16.3 days and typically aggregates up to 7.44" (189mm) of snow.Daylight
The average length of the day in January is 9h and 25min.On the first day of January, sunrise is at 8:00 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:38 pm MST.
Sunshine
The month with the least sunshine is January, with an average of 4.8h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 1 in January leads to these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January in Firth?
What is the snowiest month?
How many days does it snow in January?
How many hours of daylight does Firth have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Firth have in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Firth, ID
- Average high temperature in January: 28°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in January: 14.7°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in January
Firth, ID
- Average pressure in January: 30.3"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Firth, ID
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is January (6mph).
Average humidity in January
Firth, ID
- Average humidity in January: 90%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in January
Firth, ID
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in January
Firth, ID
- Average rainfall days in January: 6.1 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in January
Firth, ID
- Average snowfall in January: 7.44"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Firth, ID
- Average snowfall days in January: 16.3 days
The month with the highest number of snowfall days is December (16.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Firth, ID
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in January
Firth, ID
- Average sunshine days in January: 14.6 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is March (10 days).
Average UV index in January
Firth, 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 and December (UV index 1).
Average cloud cover in January
Firth, ID
- Average cloud cover in January: 50
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in January
Firth, ID
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Firth, Idaho, USA
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