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 advent of January denotes an average high-temperature of a still chilly 47.7°F (8.7°C), subtly different from December's 45.3°F (7.4°C). Throughout January, a steady low-temperature average of 35.2°F (1.8°C) is noted.Humidity
January through March and December, with an average relative humidity of 86%, are the most humid months in Waterloo, Oregon.Rainfall
In Waterloo, Oregon, in January, during 17.4 rainfall days, 4.09" (104mm) of precipitation is typically accumulated. Throughout the year, in Waterloo, there are 163.3 rainfall days, and 29.92" (760mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Waterloo. In January, in Waterloo, it is snowing for 1.1 days. Throughout January, 1.02" (26mm) of snow is accumulated. Throughout the year, in Waterloo, Oregon, there are 5.6 snowfall days, and 4.09" (104mm) of snow is accumulated.Daylight
In Waterloo, the average length of the day in January is 9h and 18min.On the first day of the month, sunrise is at 7:47 am and sunset at 4:41 pm. On the last day of January, in Waterloo, sunrise is at 7:30 am and sunset at 5:18 pm PST.
Sunshine
The average sunshine in January is 4.3h.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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 2 in January leads to these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What is the usual temperature for Waterloo in January?
What is the most humid month in Waterloo?
What is the average humidity in January in Waterloo?
How much does it rain in Waterloo in January?
How many days does it snow in January in Waterloo?
How many hours of daylight does Waterloo have in January?
When is the sunrise / sunset in January in Waterloo?
How long on average sun shines in January in Waterloo?
When is the lowest UV index in Waterloo?
What is the UV index reading in January in Waterloo?
Average temperature in January
Waterloo, OR
- Average high temperature in January: 47.7°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.3°F).
- Average low temperature in January: 35.2°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in January
Waterloo, OR
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in January
Waterloo, OR
- Average wind speed in January: 5.1mph
The windiest months (with the highest average wind speed) are January and March (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in January
Waterloo, OR
- Average humidity in January: 86%
The months with the highest relative humidity are January, February, March and December (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall in January
Waterloo, OR
- Average rainfall in January: 4.09"
The wettest month (with the highest rainfall) is December (4.41").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in January
Waterloo, OR
- Average rainfall days in January: 17.4 days
The month with the highest number of rainy days is March (20.1 days).
The months with the least rainy days are July and August (3.8 days).
Average snowfall in January
Waterloo, OR
- Average snowfall in January: 1.02"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Waterloo, OR
- Average snowfall days in January: 1.1 days
The month with the highest number of snowfall days is February (2.5 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
Waterloo, 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: 4h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in January
Waterloo, OR
- Average sunshine days in January: 12.3 days
The month with the most sunshine days is July (25.6 days).
The month with the least sunshine days is March (9.1 days).
Average UV index in January
Waterloo, 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
Waterloo, OR
- Average cloud cover in January: 56
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in January
Waterloo, OR
- Average visibility in January: 5mi
The months with the highest visibility are July, August and September (6mi).
The month with the lowest visibility is February (4mi).
Waterloo, Oregon, USA
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