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
With January's arrival, Cornelius, Oregon, notes an average high-temperature of a still chilly 45.3°F (7.4°C), closely following the trend of the preceding month. During the month of January, the temperature generally drops to a low average of 34.7°F (1.5°C).Humidity
The months with the highest humidity in Cornelius, Oregon, are January, February, November and December, with an average relative humidity of 85%.Rainfall
January is the month with the most rainfall in Cornelius. Rain falls for 18.8 days and accumulates 4.57" (116mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Cornelius. In Cornelius, in January, during 1.6 snowfall days, 0.79" (20mm) of snow is typically accumulated. In Cornelius, during the entire year, snow falls for 6.6 days and aggregates up to 4.53" (115mm) of snow.Daylight
In January, the average length of the day is 9h and 11min.On the first day of January in Cornelius, Oregon, sunrise is at 7:52 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:16 pm PST.
Sunshine
In Cornelius, the average sunshine in January is 3.8h.UV index
The months with the lowest UV index in Cornelius are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What are the temperatures in Cornelius in January?
What is the most humid month in Cornelius?
What is the average humidity in January in Cornelius?
What is the rainiest month in Cornelius?
How many days does it rain in January in Cornelius?
How many days does it snow in January in Cornelius?
How many hours of daylight does Cornelius have in January?
What time are sunrise and sunset in January in Cornelius?
How long on average sun shines in January in Cornelius?
What are the months with the lowest UV index in Cornelius?
What is the UV index reading in January in Cornelius?
Average temperature in January
Cornelius, OR
- Average high temperature in January: 45.3°F
The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is December (43.9°F).
- Average low temperature in January: 34.7°F
The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is December (34°F).
Average pressure in January
Cornelius, 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
Cornelius, OR
- Average wind speed in January: 4.9mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest months (with the lowest average wind speed) are June, August and September (4.3mph).
Average humidity in January
Cornelius, OR
- Average humidity in January: 85%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is August (64%).
Average rainfall in January
Cornelius, OR
- Average rainfall in January: 4.57"
The wettest month (with the highest rainfall) is January (4.57").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in January
Cornelius, OR
- Average rainfall days in January: 18.8 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in January
Cornelius, OR
- Average snowfall in January: 0.79"
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
Cornelius, OR
- Average snowfall days in January: 1.6 days
The month with the highest number of snowfall days is February (2.4 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
Cornelius, 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: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in January
Cornelius, OR
- Average sunshine days in January: 10.8 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (8.5 days).
Average UV index in January
Cornelius, 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
Cornelius, OR
- Average cloud cover in January: 61
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in January
Cornelius, OR
- Average visibility in January: 4mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January and February (4mi).
Cornelius, Oregon, USA
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