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
January welcomes an average high-temperature of a still wintry 37.4°F (3°C), not much different from the preceding month. An average low-temperature of 28°F (-2.2°C) is noted during the month of January.Humidity
The average relative humidity in January is 86%.Rainfall
January is the month with the most rainfall. Rain falls for 8.4 days and accumulates 6.5" (165mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Welches, during January, snow falls for 17 days and regularly aggregates up to 36.5" (927mm) of snow. Throughout the year, there are 102 snowfall days, and 169.65" (4309mm) of snow is accumulated.Daylight
The average length of the day in January in Welches is 9h and 13min.On the first day of the month, sunrise is at 7:47 am and sunset at 4:35 pm. On the last day of January, sunrise is at 7:29 am and sunset at 5:12 pm PST.
Sunshine
January, February and December, with an average of 3.9h of sunshine, are months with the least sunshine.UV index
In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 in January translates into these instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the average humidity in January?
What is the rainiest month?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the UV index reading in January?
Average temperature in January
Welches, OR
- Average high temperature in January: 37.4°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (35.4°F).
- Average low temperature in January: 28°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (26.4°F).
Average pressure in January
Welches, OR
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in January
Welches, OR
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest months (with the lowest average wind speed) are August and September (4.7mph).
Average humidity in January
Welches, OR
- Average humidity in January: 86%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is August (62%).
Average rainfall in January
Welches, OR
- Average rainfall in January: 6.5"
The wettest month (with the highest rainfall) is January (6.5").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in January
Welches, OR
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is October (13.8 days).
The month with the least rainy days is July (4.4 days).
Average snowfall in January
Welches, OR
- Average snowfall in January: 36.5"
The month with the highest snowfall is December (37.2").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Welches, OR
- Average snowfall days in January: 17 days
The month with the highest number of snowfall days is December (18.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Welches, OR
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 54min).
Average sunshine days in January
Welches, OR
- Average sunshine days in January: 11.1 days
The month with the most sunshine days is July (26.1 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in January
Welches, OR
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in January
Welches, OR
- Average cloud cover in January: 61
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in January
Welches, OR
- Average visibility in January: 4mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Welches, Oregon, USA
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