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
Dexter's January reports an average high-temperature of a still frosty 48.9°F (9.4°C), exhibiting a minor difference from December. Dexter anticipates an average minimum temperature of 35.2°F (1.8°C) in the month of January.Humidity
January through March and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In Dexter, in January, during 16.8 rainfall days, 3.86" (98mm) of precipitation is typically accumulated. In Dexter, Oregon, during the entire year, the rain falls for 158.1 days and collects up to 30.12" (765mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Dexter, in January, snow falls for 1.3 days, with typically accumulated 0.75" (19mm) of snow. Throughout the year, there are 6.6 snowfall days, and 5" (127mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 21min.On the first day of the month, sunrise is at 7:45 am and sunset at 4:43 pm. On the last day of January, sunrise is at 7:29 am and sunset at 5:19 pm PST.
Sunshine
In Dexter, the average sunshine in January is 4.4h.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 low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the UV index of 2 transforms into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature?
What are the most humid months?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Dexter, OR
- Average high temperature in January: 48.9°F
The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is December (46°F).
- Average low temperature in January: 35.2°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).
Average pressure in January
Dexter, OR
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in January
Dexter, OR
- Average wind speed in January: 4.4mph
The windiest months (with the highest average wind speed) are January and March (4.4mph).
The calmest months (with the lowest average wind speed) are August and September (3.5mph).
Average humidity in January
Dexter, OR
- Average humidity in January: 86%
The months with the highest relative humidity are January, February, March and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in January
Dexter, OR
- Average rainfall in January: 3.86"
The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in January
Dexter, OR
- Average rainfall days in January: 16.8 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in January
Dexter, OR
- Average snowfall in January: 0.75"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Dexter, OR
- Average snowfall days in January: 1.3 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Dexter, OR
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in January
Dexter, OR
- Average sunshine days in January: 12.6 days
The month with the most sunshine days is August (25.6 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in January
Dexter, 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
Dexter, OR
- Average cloud cover in January: 55
The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in January
Dexter, OR
- Average visibility in January: 4mi
The months with the highest visibility are June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).
Dexter, Oregon, USA
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