January weather forecastTillamook, OR
January
Weather in January
As the new year commences, Tillamook, set in Oregon, USA, greets January with crisp, cool weather. Rainfall reaches up to 2.48" (63mm) this month, accompanying the winter chill. Compared to the milder conditions of December, the city experiences lower temperatures. On the other hand, February brings a slight increase in both temperature and daylight hours. Noticeable humidity wafts through the city making the cold bearable.Temperature
Tillamook experiences an average high-temperature of a still chilly 46.6°F (8.1°C) in January, marking an insignificant shift from 45.5°F (7.5°C) in December. Tillamook's nighttime temperature in January shows a minor descent, with a steady average of 39.7°F (4.3°C).Humidity
In January, the average relative humidity is 83%.Rainfall
In January, the rain falls for 14.8 days. Throughout January, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 137.4 rainfall days, and 15" (381mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. In Tillamook, during January, snow falls for 0.4 days and regularly aggregates up to 0.16" (4mm) of snow. Throughout the year, there are 2.6 snowfall days, and 0.55" (14mm) of snow is accumulated.Daylight
In Tillamook, the average length of the day in January is 9h and 12min.On the first day of the month, sunrise is at 7:55 am and sunset at 4:42 pm. On the last day of January, sunrise is at 7:37 am and sunset at 5:20 pm PST.
Sunshine
January has the least sunshine of the year, with an average of 3.8h of sunshine.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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. 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
Average temperature in January
Tillamook, OR
- Average high temperature in January: 46.6°F
The warmest month (with the highest average high temperature) is August (68.4°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in January: 39.7°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (38.7°F).
Average pressure in January
Tillamook, OR
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).
Average wind speed in January
Tillamook, OR
- Average wind speed in January: 9.3mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in January
Tillamook, OR
- Average humidity in January: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is May (80%).
Average rainfall in January
Tillamook, OR
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is December (2.68").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in January
Tillamook, OR
- Average rainfall days in January: 14.8 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (4.3 days).
Average snowfall in January
Tillamook, OR
- Average snowfall in January: 0.16"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Tillamook, OR
- Average snowfall days in January: 0.4 days
The month with the highest number of snowfall days is February (1.2 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
Tillamook, OR
- Average daylight in January: 9h and 12min
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: 3h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Tillamook, OR
- Average sunshine days in January: 13.8 days
The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is March (11.4 days).
Average UV index in January
Tillamook, OR
- Average UV index in January: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Tillamook, OR
- Average cloud cover in January: 59
The months with the most cloud cover are February and March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Tillamook, OR
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
