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's beginning signals an average high-temperature of a still frosty 46.4°F (8°C), barely different from December's 44.2°F (6.8°C). January brings with it a nighttime average temperature of 34.3°F (1.3°C).Humidity
The average relative humidity in January in Philomath is 89%.Rainfall
In Philomath, during January, the rain falls for 18.2 days and regularly aggregates up to 4.92" (125mm) of precipitation. In Philomath, during the entire year, the rain falls for 169.8 days and collects up to 34.02" (864mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Philomath, in January, snow falls for 1 days, with typically accumulated 0.55" (14mm) of snow. Throughout the year, there are 4.9 snowfall days, and 3.35" (85mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 17min.On the first day of the month, sunrise is at 7:49 am and sunset at 4:43 pm. On the last day of January, in Philomath, sunrise is at 7:33 am and sunset at 5:20 pm PST.
Sunshine
In Philomath, the average sunshine in January is 3.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Philomath. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Philomath have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Philomath have in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Philomath, OR
- Average high temperature in January: 46.4°F
The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in January: 34.3°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).
Average pressure in January
Philomath, 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
Philomath, OR
- Average wind speed in January: 4.5mph
The windiest months (with the highest average wind speed) are March and April (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in January
Philomath, OR
- Average humidity in January: 89%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in January
Philomath, OR
- Average rainfall in January: 4.92"
The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in January
Philomath, OR
- Average rainfall days in January: 18.2 days
The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is August (4.6 days).
Average snowfall in January
Philomath, OR
- Average snowfall in January: 0.55"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Philomath, OR
- Average snowfall days in January: 1 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Philomath, OR
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in January
Philomath, OR
- Average sunshine days in January: 11.7 days
The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in January
Philomath, OR
- Average UV index in January: 2
The months with the highest UV index are June and 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
Philomath, OR
- Average cloud cover in January: 63
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Philomath, 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).
Philomath, Oregon, USA
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