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 advent of January signifies a minor shift to an average high-temperature of a still chilly 47.7°F (8.7°C), aligning closely with December. During January, the temperature tends to dip to an average of 35.2°F (1.8°C) at night.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 86%.Rainfall
In Salem, in January, during 17.1 rainfall days, 3.66" (93mm) of precipitation is typically accumulated. Throughout the year, there are 162.5 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Salem, in January, during 0.9 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Salem, during the entire year, snow falls for 4.7 days and aggregates up to 2.48" (63mm) of snow.Daylight
In Salem, the average length of the day in January is 9h and 15min.On the first day of the month, sunrise is at 7:50 am and sunset at 4:41 pm. On the last day of January, sunrise is at 7:32 am and sunset at 5:18 pm PST.
Sunshine
The average sunshine in January is 4.3h.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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 2 in January leads to these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature?
What is the most humid month?
What is the average humidity in January?
How many days 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 in Salem?
How many hours of sunshine does Salem have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Salem, OR
- Average high temperature in January: 47.7°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in January: 35.2°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).
Average pressure in January
Salem, 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
Salem, OR
- Average wind speed in January: 5.5mph
The windiest months (with the highest average wind speed) are January, March and November (5.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in January
Salem, OR
- Average humidity in January: 86%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is August (65%).
Average rainfall in January
Salem, OR
- Average rainfall in January: 3.66"
The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in January
Salem, OR
- Average rainfall days in January: 17.1 days
The month with the highest number of rainy days is March (19.6 days).
The month with the least rainy days is July (3.9 days).
Average snowfall in January
Salem, OR
- Average snowfall in January: 0.43"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Salem, OR
- Average snowfall days in January: 0.9 days
The month with the highest number of snowfall days is February (1.8 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
Salem, 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 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 12min).
Average sunshine days in January
Salem, OR
- Average sunshine days in January: 12.4 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is March (8.8 days).
Average UV index in January
Salem, 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
Salem, OR
- Average cloud cover in January: 57
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in January
Salem, OR
- Average visibility in January: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
Salem, Oregon, USA
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