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 arrival of January is marked by an average high-temperature of a still frosty 46.4°F (8°C), bearing a close resemblance to December. In January, Jacksonville encounters an average low-temperature of 30.7°F (-0.7°C) during the night.Humidity
January and December, with an average relative humidity of 83%, are the most humid months in Jacksonville, Oregon.Rainfall
In Jacksonville, Oregon, during January, the rain falls for 14 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Jacksonville, during the entire year, the rain falls for 130.2 days and collects up to 19.17" (487mm) of precipitation.Snowfall
Months with snowfall in Jacksonville are January through April, November and December. In Jacksonville, in January, during 1.8 snowfall days, 1.89" (48mm) of snow is typically accumulated. In Jacksonville, during the entire year, snow falls for 14.2 days and aggregates up to 8.15" (207mm) of snow.Daylight
In Jacksonville, the average length of the day in January is 9h and 31min.On the first day of the month, sunrise is at 7:40 am and sunset at 4:49 pm. On the last day of January, sunrise is at 7:26 am and sunset at 5:24 pm PST.
Sunshine
In Jacksonville, the average sunshine in January is 5.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Jacksonville. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In January, a daily UV index of 2 turns into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What is the usual temperature for Jacksonville in January?
What are the most humid months in Jacksonville?
What is the average humidity in January in Jacksonville?
How many days does it rain in January in Jacksonville?
How many days does it snow in January in Jacksonville?
How many hours of daylight does Jacksonville have in January?
When is the sunrise / sunset in January in Jacksonville?
How many hours of sunshine does Jacksonville have in January?
When is the lowest UV index in Jacksonville?
What is the UV index intensity in January in Jacksonville?
Average temperature in January
Jacksonville, OR
- Average high temperature in January: 46.4°F
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in January: 30.7°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (29.3°F).
Average pressure in January
Jacksonville, OR
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in January
Jacksonville, OR
- Average wind speed in January: 4.2mph
The windiest months (with the highest average wind speed) are January and March (4.2mph).
The calmest months (with the lowest average wind speed) are August, September and October (3.4mph).
Average humidity in January
Jacksonville, OR
- Average humidity in January: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (59%).
Average rainfall in January
Jacksonville, OR
- Average rainfall in January: 3.03"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in January
Jacksonville, OR
- Average rainfall days in January: 14 days
The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (3.7 days).
Average snowfall in January
Jacksonville, OR
- Average snowfall in January: 1.89"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Jacksonville, OR
- Average snowfall days in January: 1.8 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in January /
Average sunshine in January
Jacksonville, OR
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 5h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in January
Jacksonville, OR
- Average sunshine days in January: 15 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in January
Jacksonville, 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
Jacksonville, OR
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in January
Jacksonville, OR
- Average visibility in January: 5mi
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
Jacksonville, Oregon, USA
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