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 is marked by an average high-temperature of a still cold 38.1°F (3.4°C), almost identical to the preceding month. An average low-temperature of 28.2°F (-2.1°C) is observed during January nights.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 85%.Rainfall
The month with the most rainfall is January, when the rain falls for 16.2 days and typically aggregates up to 2.99" (76mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In January, it is snowing for 3.5 days. Throughout January, 2.68" (68mm) of snow is accumulated. Throughout the year, there are 14.3 snowfall days, and 11.06" (281mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 11min.On the first day of January, sunrise is at 7:45 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:09 pm PST.
Sunshine
With an average of 4.8h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 2 in January transforms into 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. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in The Dalles in January?
What are the most humid months?
What is the average humidity in January?
What is the wettest month?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does The Dalles have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does The Dalles have in January?
What are the months with the lowest UV index in The Dalles?
How high is the UV index in January?
Average temperature in January
The Dalles, OR
- Average high temperature in January: 38.1°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (37°F).
- Average low temperature in January: 28.2°F
The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in January
The Dalles, OR
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in January
The Dalles, OR
- Average wind speed in January: 4.8mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).
Average humidity in January
The Dalles, OR
- Average humidity in January: 85%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in January
The Dalles, OR
- Average rainfall in January: 2.99"
The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in January
The Dalles, OR
- Average rainfall days in January: 16.2 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in January
The Dalles, OR
- Average snowfall in January: 2.68"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
The Dalles, OR
- Average snowfall days in January: 3.5 days
The month with the highest number of snowfall days is December (4.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
The Dalles, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in January
The Dalles, OR
- Average sunshine days in January: 11.6 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (10.6 days).
Average UV index in January
The Dalles, OR
- 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 January, February, November and December (UV index 2).
Average cloud cover in January
The Dalles, OR
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in January
The Dalles, OR
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
The Dalles, Oregon, USA
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