January weather forecastTiller, OR
January
Weather in January
January, the same as December, in Tiller, Oregon, is another chilly winter month, with an average temperature fluctuating between 47.8°F (8.8°C) and 33.4°F (0.8°C).Temperature
Tiller notes an average high-temperature of a still frosty 47.8°F (8.8°C) in January, hardly diverging from December. Nighttime temperature in Tiller lowers to an average of 33.4°F (0.8°C) in January.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 86%.Rainfall
The wettest months are January, February and December, with an average 1.1" (28mm) of rainfall.Snowfall
Months with snowfall are January through March, November and December. In Tiller, in January, snow falls for 0.5 days, with typically accumulated 0.47" (12mm) of snow. Throughout the year, in Tiller, there are 3.5 snowfall days, and 2.2" (56mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 27min.On the first day of January, sunrise is at 7:42 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:22 pm PST.
Sunshine
In Tiller, the average sunshine in January is 4.6h.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 hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during January translates into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Tiller, OR
- Average high temperature in January: 47.8°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.7°F).
- Average low temperature in January: 33.4°F
The month with the highest average low temperature is August (47.7°F).
The coldest month (with the lowest average low temperature) is December (32.2°F).
Average pressure in January
Tiller, OR
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in January
Tiller, OR
- Average wind speed in January: 4.1mph
The windiest month (with the highest average wind speed) is January (4.1mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).
Average humidity in January
Tiller, 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 (69%).
Average rainfall in January
Tiller, OR
- Average rainfall in January: 1.1"
The wettest months (with the highest rainfall) are January, February and December (1.1").
The driest months (with the least rainfall) are July and August (0.16").
Average rainfall days in January
Tiller, OR
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (2.4 days).
Average snowfall in January
Tiller, OR
- Average snowfall in January: 0.47"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Tiller, OR
- Average snowfall days in January: 0.5 days
The month with the highest number of snowfall days is February (1.5 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
Tiller, OR
- Average daylight in January: 9h and 30min
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: 4h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in January
Tiller, OR
- Average sunshine days in January: 18.7 days
The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is March (16.1 days).
Average UV index in January
Tiller, 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
Tiller, OR
- Average cloud cover in January: 53
The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in January
Tiller, OR
- Average visibility in January: 4mi
The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).
