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 shift into January finds Jamieson at an average high-temperature of a still wintry 34.7°F (1.5°C), closely comparable to December's conditions. In Jamieson, the average temperature during the nights of January drops to a subzero cold 22.1°F (-5.5°C).Humidity
With an average relative humidity of 83%, January is the most humid month.Rainfall
In Jamieson, during January, the rain falls for 5.2 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Jamieson, during the entire year, the rain falls for 57 days and collects up to 2.99" (76mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In January, it is snowing for 4.2 days. Throughout January, 1.06" (27mm) of snow is accumulated. In Jamieson, Oregon, during the entire year, snow falls for 17.3 days and aggregates up to 4.21" (107mm) of snow.Daylight
In Jamieson, the average length of the day in January is 9h and 20min.On the first day of the month, sunrise is at 8:24 am and sunset at 5:21 pm. On the last day of January, sunrise is at 8:08 am and sunset at 5:57 pm MST.
Sunshine
The average sunshine in January is 5.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Jamieson in January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Jamieson have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Jamieson have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Jamieson, OR
- Average high temperature in January: 34.7°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (34.3°F).
- Average low temperature in January: 22.1°F
The month with the highest average low temperature is August (63.5°F).
The coldest months (with the lowest average low temperature) are January and December (22.1°F).
Average pressure in January
Jamieson, OR
- Average pressure in January: 30.24"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in January
Jamieson, OR
- Average wind speed in January: 3.9mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (3.9mph).
Average humidity in January
Jamieson, OR
- Average humidity in January: 83%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (28%).
Average rainfall in January
Jamieson, OR
- Average rainfall in January: 0.35"
The wettest months (with the highest rainfall) are March and May (0.39").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in January
Jamieson, OR
- Average rainfall days in January: 5.2 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in January
Jamieson, OR
- Average snowfall in January: 1.06"
The month with the highest snowfall is December (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Jamieson, OR
- Average snowfall days in January: 4.2 days
The month with the highest number of snowfall days is December (6.1 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
Jamieson, 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 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in January
Jamieson, OR
- Average sunshine days in January: 22.2 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (20.1 days).
Average UV index in January
Jamieson, OR
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Jamieson, OR
- Average cloud cover in January: 43
The months with the most cloud cover are January and December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in January
Jamieson, OR
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Jamieson, Oregon, USA
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