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
Ritter's average high-temperature in January is a still icy 35.2°F (1.8°C), marking an insignificant difference from the 33.4°F (0.8°C) of December. During January in Ritter, the average low-temperature is recorded at a freezing cold 22.1°F (-5.5°C).Humidity
In Ritter, the average relative humidity in January is 84%.Rainfall
In January, the rain falls for 12.3 days. Throughout January, 2.17" (55mm) of precipitation is accumulated. In Ritter, during the entire year, the rain falls for 127.7 days and collects up to 17.09" (434mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Ritter, in January, during 11.7 snowfall days, 8.11" (206mm) of snow is typically accumulated. Throughout the year, in Ritter, there are 62.5 snowfall days, and 39.17" (995mm) of snow is accumulated.Daylight
In Ritter, the average length of the day in January is 9h and 15min.On the first day of the month, sunrise is at 7:34 am and sunset at 4:25 pm. On the last day of January, in Ritter, sunrise is at 7:17 am and sunset at 5:02 pm PST.
Sunshine
The months with the least sunshine in Ritter are January and February, with an average of 5.2h of sunshine.UV index
The months with the lowest UV index in Ritter are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 2 in January transforms into this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Ritter in January?
What is the average humidity in January in Ritter?
How many days does it rain in January in Ritter?
How many days does it snow in January in Ritter?
What is the average length of the day in January in Ritter?
What time are sunrise and sunset in January in Ritter?
What is the month with the least sunshine in Ritter?
How long on average sun shines in January in Ritter?
What is the month with the lowest UV index in Ritter?
What is the UV index intensity in January in Ritter?
Average temperature in January
Ritter, OR
- Average high temperature in January: 35.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (33.4°F).
- Average low temperature in January: 22.1°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 (19.6°F).
Average pressure in January
Ritter, OR
- Average pressure in January: 30.22"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in January
Ritter, OR
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).
Average humidity in January
Ritter, OR
- Average humidity in January: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (42%).
Average rainfall in January
Ritter, OR
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in January
Ritter, OR
- Average rainfall days in January: 12.3 days
The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in January
Ritter, OR
- Average snowfall in January: 8.11"
The month with the highest snowfall is February (10.31").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Ritter, OR
- Average snowfall days in January: 11.7 days
The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Ritter, 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: 5h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in January
Ritter, OR
- Average sunshine days in January: 13.5 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is February (9 days).
Average UV index in January
Ritter, 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, March, October, November and December (UV index 2).
Average cloud cover in January
Ritter, OR
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in January
Ritter, OR
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Ritter, Oregon, USA
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