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
Tualatin registers an average high-temperature of a still chilly 46.2°F (7.9°C) with the arrival of January, showing minor deviation from the preceding month. During January, Tualatin's temperature averages to a wintry 34.9°F (1.6°C) at night.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 84%.Rainfall
In Tualatin, during January, the rain falls for 18.4 days and regularly aggregates up to 4.41" (112mm) of precipitation. Throughout the year, in Tualatin, there are 170.9 rainfall days, and 30.67" (779mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Tualatin, Oregon. In Tualatin, in January, during 1.3 snowfall days, 0.51" (13mm) of snow is typically accumulated. In Tualatin, during the entire year, snow falls for 6.5 days and aggregates up to 3.94" (100mm) of snow.Daylight
In January, the average length of the day in Tualatin is 9h and 12min.On the first day of January, sunrise is at 7:50 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:15 pm PST.
Sunshine
In Tualatin, the average sunshine in January is 4.2h.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 low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In January, a regular UV index of 2 translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What is the usual temperature for Tualatin in January?
What are the most humid months in Tualatin?
What is the average humidity in January in Tualatin?
How much does it rain in Tualatin in January?
How much does it snow in Tualatin in January?
How many hours of daylight does Tualatin have in January?
When are sunrise and sunset in January in Tualatin?
How long on average sun shines in January in Tualatin?
What are the months with the lowest UV index in Tualatin?
What is the UV index reading in January in Tualatin?
Average temperature in January
Tualatin, OR
- Average high temperature in January: 46.2°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (44.1°F).
- Average low temperature in January: 34.9°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).
Average pressure in January
Tualatin, 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
Tualatin, OR
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in January
Tualatin, OR
- Average humidity in January: 84%
The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is August (63%).
Average rainfall in January
Tualatin, OR
- Average rainfall in January: 4.41"
The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in January
Tualatin, OR
- Average rainfall days in January: 18.4 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in January
Tualatin, OR
- Average snowfall in January: 0.51"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Tualatin, OR
- Average snowfall days in January: 1.3 days
The month with the highest number of snowfall days is February (2.3 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
Tualatin, 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 1min
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
Tualatin, OR
- Average sunshine days in January: 11.3 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in January
Tualatin, 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
Tualatin, OR
- Average cloud cover in January: 57
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in January
Tualatin, 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).
Tualatin, Oregon, USA
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