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
Arch Cape's transition from December to January introduces an average high-temperature of a still chilly 47.8°F (8.8°C), marking an insignificant variation from the 46.6°F (8.1°C). Arch Cape's nocturnal average in January closely mirrors its daytime temperatures, settling at a cold 41.2°F (5.1°C).Humidity
January, March through May, October and December, with an average relative humidity of 81%, are the least humid months.Rainfall
In Arch Cape, during January, the rain falls for 19.4 days and regularly aggregates up to 6.26" (159mm) of precipitation. Throughout the year, there are 185.6 rainfall days, and 39.8" (1011mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. In Arch Cape, in January, during 0.5 snowfall days, 0.51" (13mm) of snow is typically accumulated. In Arch Cape, during the entire year, snow falls for 2.8 days and aggregates up to 1.3" (33mm) of snow.Daylight
In Arch Cape, the average length of the day in January is 9h and 10min.On the first day of the month, sunrise is at 7:56 am and sunset at 4:41 pm. On the last day of January, sunrise is at 7:38 am and sunset at 5:19 pm PST.
Sunshine
The months with the least sunshine are January and February, with an average of 3.9h of sunshine.UV index
In January, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 3 during January leads to these instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Minimize direct exposure to the Sun during midday when its radiation is at its peak. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures?
What is the least humid month?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January in Arch Cape?
How many hours of daylight does Arch Cape have in January?
What time are sunrise and sunset in January in Arch Cape?
What are the months with the least sunshine?
How long on average sun shines in January?
How high is the UV index in January?
Average temperature in January
Arch Cape, OR
- Average high temperature in January: 47.8°F
The warmest month (with the highest average high temperature) is August (65.5°F).
The month with the lowest average high temperature is December (46.6°F).
- Average low temperature in January: 41.2°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).
Average pressure in January
Arch Cape, OR
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).
Average wind speed in January
Arch Cape, OR
- Average wind speed in January: 10.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in January
Arch Cape, OR
- Average humidity in January: 81%
The month with the highest relative humidity is August (84%).
The months with the lowest relative humidity are January, March, April, May, October and December (81%).
Average rainfall in January
Arch Cape, OR
- Average rainfall in January: 6.26"
The wettest month (with the highest rainfall) is December (6.54").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in January
Arch Cape, OR
- Average rainfall days in January: 19.4 days
The month with the highest number of rainy days is March (20.8 days).
The months with the least rainy days are July and August (7.3 days).
Average snowfall in January
Arch Cape, OR
- Average snowfall in January: 0.51"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Arch Cape, OR
- Average snowfall days in January: 0.5 days
The month with the highest number of snowfall days is February (1.3 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
Arch Cape, OR
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in January
Arch Cape, OR
- Average sunshine days in January: 10.3 days
The month with the most sunshine days is August (21.2 days).
The month with the least sunshine days is February (7.5 days).
Average UV index in January
Arch Cape, OR
- Average UV index in January: 3
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in January
Arch Cape, OR
- Average cloud cover in January: 59
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Arch Cape, 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).
Arch Cape, Oregon, USA
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