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 onset of January manifests an average high-temperature of a still freezing cold 30.9°F (-0.6°C), demonstrating a minor variation from the preceding month. The average temperature drops to a still freezing cold 19.2°F (-7.1°C) during the night in the month of January.Humidity
The most humid month is January, with an average relative humidity of 94%.Rainfall
January is the month with the most rainfall. Rain falls for 7.9 days and accumulates 2.64" (67mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall is January, when snow falls for 17.5 days and typically aggregates up to 16.26" (413mm) of snow.Daylight
The average length of the day in January is 8h and 53min.On the first day of the month, sunrise is at 7:38 am and sunset at 4:04 pm. On the last day of January, sunrise is at 7:17 am and sunset at 4:45 pm PST.
Sunshine
January has the least sunshine of the year, with an average of 3.2h of sunshine.UV index
The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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 in Oldtown?
What is the average humidity in January?
What is the wettest month?
How much does it rain in January?
When does it snow the most?
How much does it snow in Oldtown in January?
How many hours of daylight does Oldtown have in January?
When is the sunrise / sunset in January in Oldtown?
What is the month with the least sunshine in Oldtown?
How long on average sun shines in January?
What is the UV index reading in January?
Average temperature in January
Oldtown, ID
- Average high temperature in January: 30.9°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in January: 19.2°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in January
Oldtown, ID
- Average pressure in January: 30.2"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in January
Oldtown, ID
- Average wind speed in January: 3.5mph
The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in January
Oldtown, ID
- Average humidity in January: 94%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).
Average rainfall in January
Oldtown, ID
- Average rainfall in January: 2.64"
The wettest month (with the highest rainfall) is January (2.64").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in January
Oldtown, ID
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is April (16.7 days).
The month with the least rainy days is August (5.8 days).
Average snowfall in January
Oldtown, ID
- Average snowfall in January: 16.26"
The month with the highest snowfall is January (16.26").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Oldtown, ID
- Average snowfall days in January: 17.5 days
The month with the highest number of snowfall days is December (17.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Oldtown, ID
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January: 3h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in January
Oldtown, ID
- Average sunshine days in January: 12.1 days
The month with the most sunshine days is July (23.1 days).
The month with the least sunshine days is March (9.2 days).
Average UV index in January
Oldtown, ID
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover in January
Oldtown, ID
- Average cloud cover in January: 66
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in January
Oldtown, ID
- Average visibility in January: 3mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Oldtown, Idaho, USA
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