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
January's climate shows a minor adjustment in average high-temperatures to a still frosty 48.7°F (9.3°C) from December's 47.7°F (8.7°C). The nights of January anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 41.5°F (5.3°C).Humidity
In Siletz, the average relative humidity in January is 82%.Rainfall
In Siletz, Oregon, in January, during 14.8 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. In Siletz, Oregon, during the entire year, the rain falls for 139.5 days and collects up to 18.66" (474mm) of precipitation.Snowfall
January, February and November are months with snowfall. January is the first month it typically snows. Throughout January, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. In Siletz, during the entire year, snow falls for 1.6 days and aggregates up to 0.47" (12mm) of snow.Daylight
In January, the average length of the day in Siletz is 9h and 16min.On the first day of the month, sunrise is at 7:52 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:35 am and sunset at 5:22 pm PST.
Sunshine
The months with the least sunshine in Siletz are January and February, with an average of 4h of sunshine.UV index
In Siletz, Oregon, the average daily maximum UV index in January is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the UV index of 3 transforms into the following advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the temperature in January in Siletz?
What is the average humidity in January in Siletz?
How much does it rain in Siletz in January?
When does it start snowing in Siletz?
What is the average length of the day in January in Siletz?
What time are sunrise and sunset in January in Siletz?
What is the month with the least sunshine in Siletz?
How many hours of sunshine does Siletz have in January?
What is the UV index reading in January in Siletz?
Average temperature in January
Siletz, OR
- Average high temperature in January: 48.7°F
The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (47.7°F).
- Average low temperature in January: 41.5°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).
Average pressure in January
Siletz, OR
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).
Average wind speed in January
Siletz, OR
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Siletz, OR
- Average humidity in January: 82%
The months with the highest relative humidity are February, March, November and December (83%).
The months with the lowest relative humidity are April, May, July, September and October (81%).
Average rainfall in January
Siletz, OR
- Average rainfall in January: 2.72"
The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in January
Siletz, OR
- Average rainfall days in January: 14.8 days
The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (3.7 days).
Average snowfall in January
Siletz, OR
- Average snowfall in January: 0.16"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days in January
Siletz, OR
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Siletz, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).
Average sunshine days in January
Siletz, OR
- Average sunshine days in January: 14 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (10.9 days).
Average UV index in January
Siletz, OR
- Average UV index in January: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in January
Siletz, OR
- Average cloud cover in January: 58
The months with the most cloud cover are February and March (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in January
Siletz, OR
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Siletz, Oregon, USA
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