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
Deer Island in January witnesses an average high-temperature of a chilly 44.4°F (6.9°C), indicating a slight variation from December's 42.6°F (5.9°C). Throughout January nights, Deer Island registers an average low-temperature of 33.4°F (0.8°C).Humidity
The average relative humidity in January is 86%.Rainfall
January is the month with the most rainfall. Rain falls for 18.8 days and accumulates 5.43" (138mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 1.7 days and accumulates 2.01" (51mm) of snow.Daylight
The average length of the day in January is 9h and 9min.On the first day of January in Deer Island, Oregon, sunrise is at 7:52 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:14 pm PST.
Sunshine
The months with the least sunshine are January and February, with an average of 3.7h of sunshine.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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during January translates into the following guidance:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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 wettest month?
How many days does it rain in January?
When does it snow the most?
How many days does it snow in January?
How many hours of daylight does Deer Island have in January?
When is the sunrise / sunset in January?
What are the months with the least sunshine?
How many hours of sunshine does Deer Island have in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Deer Island, OR
- Average high temperature in January: 44.4°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in January: 33.4°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in January
Deer Island, OR
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in January
Deer Island, OR
- Average wind speed in January: 4.9mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in January
Deer Island, OR
- Average humidity in January: 86%
The months with the highest relative humidity are February and November (87%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in January
Deer Island, OR
- Average rainfall in January: 5.43"
The wettest month (with the highest rainfall) is January (5.43").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in January
Deer Island, OR
- Average rainfall days in January: 18.8 days
The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is July (5.2 days).
Average snowfall in January
Deer Island, OR
- Average snowfall in January: 2.01"
The month with the highest snowfall is January (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Deer Island, OR
- Average snowfall days in January: 1.7 days
The month with the highest number of snowfall days is February (2.9 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
Deer Island, OR
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in January
Deer Island, OR
- Average sunshine days in January: 10.6 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in January
Deer Island, 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
Deer Island, OR
- Average cloud cover in January: 62
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Deer Island, OR
- Average visibility in January: 4mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Deer Island, Oregon, USA
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