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
The transition into January is marked with an average high-temperature of a still frosty 44.4°F (6.9°C), showing an insignificant shift from December's 43°F (6.1°C). The average temperature during January nights dips to a cold 33.6°F (0.9°C).Humidity
In January, the average relative humidity is 87%.Rainfall
January is the month with the most rainfall. Rain falls for 19.3 days and accumulates 5.47" (139mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Gaston, in January, snow falls for 1.5 days, with typically accumulated 1.34" (34mm) of snow. Throughout the year, there are 7.1 snowfall days, and 4.69" (119mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 12min.On the first day of the month, sunrise is at 7:52 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:34 am and sunset at 5:17 pm PST.
Sunshine
January and February, with an average of 3.5h of sunshine, are months with the least sunshine.UV index
In Gaston, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the average humidity in January?
What is the rainiest month in Gaston?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Gaston have in January?
When are sunrise and sunset in January in Gaston?
What are the months with the least sunshine?
How many hours of sunshine does Gaston have in January?
What is the UV index intensity in January?
Average temperature in January
Gaston, OR
- Average high temperature in January: 44.4°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in January: 33.6°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in January
Gaston, OR
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in January
Gaston, OR
- Average wind speed in January: 4.7mph
The windiest month (with the highest average wind speed) is March (4.9mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in January
Gaston, OR
- Average humidity in January: 87%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is August (69%).
Average rainfall in January
Gaston, OR
- Average rainfall in January: 5.47"
The wettest month (with the highest rainfall) is January (5.47").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in January
Gaston, OR
- Average rainfall days in January: 19.3 days
The month with the highest number of rainy days is March (21.4 days).
The month with the least rainy days is August (6.2 days).
Average snowfall in January
Gaston, OR
- Average snowfall in January: 1.34"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Gaston, OR
- Average snowfall days in January: 1.5 days
The month with the highest number of snowfall days is February (2.9 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
Gaston, 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).
Average sunshine days in January
Gaston, OR
- Average sunshine days in January: 10.2 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (7.6 days).
Average UV index in January
Gaston, OR
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in January
Gaston, OR
- Average cloud cover in January: 65
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Gaston, OR
- Average visibility in January: 4mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
Gaston, Oregon, USA
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