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 from December to January brings an average high-temperature of a still frosty 48.9°F (9.4°C), barely different from December's 46°F (7.8°C). Dexter's average low-temperature during January nights is observed to be a cold 35.2°F (1.8°C).Humidity
The months with the highest humidity in Dexter are January through March and December, with an average relative humidity of 86%.Rainfall
In Dexter, during January, the rain falls for 16.8 days and regularly aggregates up to 3.86" (98mm) of precipitation. Throughout the year, there are 158.1 rainfall days, and 30.12" (765mm) of precipitation is accumulated.Snowfall
Months with snowfall in Dexter 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. In Dexter, during the entire year, snow falls for 6.6 days and aggregates up to 5" (127mm) of snow.Daylight
In January, the average length of the day in Dexter is 9h and 21min.On the first day of January in Dexter, sunrise is at 7:45 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:19 pm PST.
Sunshine
The average sunshine in January is 4.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In January, the maximum UV index of 2 suggests this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Boost your sun resistance with garments that are densely woven yet spacious. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What is the average January temperature in Dexter?
What is the most humid month in Dexter?
What is the average humidity in January in Dexter?
How many days does it rain in January in Dexter?
How much does it snow in Dexter in January?
What is the average length of the day in January in Dexter?
What time are sunrise and sunset in January in Dexter?
How many hours of sunshine does Dexter have in January?
When is the lowest UV index in Dexter?
How high is the UV index in January in Dexter?
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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