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 notes an average high-temperature of a still chilly 46.6°F (8.1°C), subtly differing from December's 44.2°F (6.8°C). The average low-temperature during January nights is a subzero cold 31.5°F (-0.3°C).Humidity
January and December, with an average relative humidity of 83%, are the most humid months.Rainfall
In January, the rain falls for 13.8 days. Throughout January, 3.23" (82mm) of precipitation is accumulated. Throughout the year, there are 131.5 rainfall days, and 20.87" (530mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In January, it is snowing for 4.1 days. Throughout January, 5.2" (132mm) of snow is accumulated. In Trail, during the entire year, snow falls for 26.3 days and aggregates up to 21.18" (538mm) of snow.Daylight
In Trail, the average length of the day in January is 9h and 29min.On the first day of the month, sunrise is at 7:41 am and sunset at 4:48 pm. On the last day of January, sunrise is at 7:26 am and sunset at 5:22 pm PST.
Sunshine
In January, the average sunshine is 5.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Trail. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 2 during January morphs into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties 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 many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / 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 in Trail?
Average temperature in January
Trail, OR
- Average high temperature in January: 46.6°F
The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in January: 31.5°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 (30.4°F).
Average pressure in January
Trail, OR
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in January
Trail, OR
- Average wind speed in January: 4.3mph
The windiest months (with the highest average wind speed) are January and March (4.3mph).
The calmest months (with the lowest average wind speed) are September and October (3.5mph).
Average humidity in January
Trail, OR
- Average humidity in January: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (60%).
Average rainfall in January
Trail, OR
- Average rainfall in January: 3.23"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in January
Trail, OR
- Average rainfall days in January: 13.8 days
The month with the highest number of rainy days is March (18 days).
The month with the least rainy days is August (3.1 days).
Average snowfall in January
Trail, OR
- Average snowfall in January: 5.2"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Trail, OR
- Average snowfall days in January: 4.1 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Trail, OR
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 5h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in January
Trail, OR
- Average sunshine days in January: 14 days
The months with the most sunshine days are July and August (25.9 days).
The month with the least sunshine days is March (10.7 days).
Average UV index in January
Trail, 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
Trail, OR
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in January
Trail, OR
- Average visibility in January: 5mi
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
Trail, Oregon, USA
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