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 transition into January shows a subtle variation to a still cold 37.4°F (3°C) from December's 35.4°F (1.9°C) in the average high-temperature. During January, Welches witnesses a consistent average low-temperature of 28°F (-2.2°C).Humidity
In January, the average relative humidity in Welches is 86%.Rainfall
January is the month with the most rainfall in Welches. Rain falls for 8.4 days and accumulates 6.5" (165mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In Welches, in January, snow falls for 17 days, with typically accumulated 36.5" (927mm) of snow. In Welches, during the entire year, snow falls for 102 days and aggregates up to 169.65" (4309mm) of snow.Daylight
In Welches, the average length of the day in January 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 Welches, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during January leads to these advisories:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is January in Welches?
What is the average humidity in January in Welches?
What is the wettest month in Welches?
How many days does it rain in January in Welches?
How much does it snow in Welches in January?
What is the average length of the day in January in Welches?
What time are sunrise and sunset in January in Welches?
What is the month with the least sunshine in Welches?
How long on average sun shines in January in Welches?
How high is the UV index in January in Welches?
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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