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 average high-temperature during January is a still wintry 34.9°F (1.6°C), almost matching the conditions of the preceding month. The mean low-temperature during January nights is a subzero cold 22.5°F (-5.3°C).Humidity
The most humid month in Winchester is January, with an average relative humidity of 90%.Rainfall
In January, in Winchester, the rain falls for 6 days. Throughout January, 2.6" (66mm) of precipitation is accumulated. Throughout the year, in Winchester, there are 133.5 rainfall days, and 28.9" (734mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Winchester, in January, during 19.2 snowfall days, 19.53" (496mm) of snow is typically accumulated. Throughout the year, in Winchester, there are 112.2 snowfall days, and 105.79" (2687mm) of snow is accumulated.Daylight
In January, the average length of the day in Winchester is 9h and 7min.On the first day of the month, sunrise is at 7:29 am and sunset at 4:10 pm. On the last day of January, in Winchester, Idaho, sunrise is at 7:10 am and sunset at 4:49 pm PST.
Sunshine
The average sunshine in January in Winchester is 4.3h.UV index
The average daily maximum UV index in January in Winchester is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
How cold is January in Winchester?
What is the most humid month in Winchester?
What is the average humidity in January in Winchester?
How many days does it rain in January in Winchester?
How many days does it snow in January in Winchester?
How many hours of daylight does Winchester have in January?
When is the sunrise / sunset in January in Winchester?
How many hours of sunshine does Winchester have in January?
What is the UV index intensity in January in Winchester?
Average temperature in January
Winchester, ID
- Average high temperature in January: 34.9°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (32.5°F).
- Average low temperature in January: 22.5°F
The month with the highest average low temperature is August (54.7°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in January
Winchester, ID
- Average pressure in January: 30.21"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in January
Winchester, ID
- Average wind speed in January: 4.8mph
The windiest months (with the highest average wind speed) are January, February, March and November (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in January
Winchester, ID
- Average humidity in January: 90%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (44%).
Average rainfall in January
Winchester, ID
- Average rainfall in January: 2.6"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in January
Winchester, ID
- Average rainfall days in January: 6 days
The month with the highest number of rainy days is April (17.8 days).
The month with the least rainy days is January (6 days).
Average snowfall in January
Winchester, ID
- Average snowfall in January: 19.53"
The month with the highest snowfall is February (23.11").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Winchester, ID
- Average snowfall days in January: 19.2 days
The month with the highest number of snowfall days is December (19.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Winchester, ID
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in January
Winchester, ID
- Average sunshine days in January: 11.6 days
The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is March (7.3 days).
Average UV index in January
Winchester, 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 and December (UV index 1).
Average cloud cover in January
Winchester, ID
- Average cloud cover in January: 56
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in January
Winchester, ID
- Average visibility in January: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Winchester, Idaho, USA
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