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
Letha's January showcases an average high-temperature of a still icy 36.1°F (2.3°C), hardly distinct from December's 34.9°F (1.6°C). In Letha, January is marked by an average low-temperature of 23.5°F (-4.7°C).Humidity
With an average relative humidity of 82%, January is the most humid month.Rainfall
In Letha, in January, it is raining for 8.6 days, with typically 1.38" (35mm) of accumulated precipitation. In Letha, during the entire year, the rain falls for 91.7 days and collects up to 10.28" (261mm) of precipitation.Snowfall
Months with snowfall in Letha are January through April, November and December. In January, it is snowing for 5.5 days. Throughout January, 3.43" (87mm) of snow is accumulated. In Letha, during the entire year, snow falls for 22.2 days and aggregates up to 12.95" (329mm) of snow.Daylight
In Letha, the average length of the day in January is 9h and 22min.On the first day of January in Letha, sunrise is at 8:20 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:55 pm MST.
Sunshine
In Letha, the average sunshine in January is 5.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Letha, ID
- Average high temperature in January: 36.1°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is December (34.9°F).
- Average low temperature in January: 23.5°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (22.8°F).
Average pressure in January
Letha, ID
- Average pressure in January: 30.24"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in January
Letha, ID
- Average wind speed in January: 4.2mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in January
Letha, ID
- Average humidity in January: 82%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in January
Letha, ID
- Average rainfall in January: 1.38"
The wettest month (with the highest rainfall) is March (1.54").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in January
Letha, ID
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (3.2 days).
Average snowfall in January
Letha, ID
- Average snowfall in January: 3.43"
The month with the highest snowfall is December (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Letha, ID
- Average snowfall days in January: 5.5 days
The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Letha, 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: 5h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in January
Letha, ID
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (15.3 days).
Average UV index in January
Letha, ID
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Letha, ID
- Average cloud cover in January: 42
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in January
Letha, ID
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Letha, Idaho, USA
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