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 sea temperature 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
As Seaside welcomes January, the average high-temperature stabilizes at a still chilly 47.8°F (8.8°C), showing little deviation from December's 46.6°F (8.1°C). January nights reveal a minor deviation from daytime highs, with a mean low-temperature of 41.2°F (5.1°C).Humidity
The months with the lowest humidity are January, March through May, October and December, with an average relative humidity of 81%.Rainfall
In Seaside, in January, during 19.4 rainfall days, 6.26" (159mm) of precipitation is typically accumulated. In Seaside, during the entire year, the rain falls for 185.6 days and collects up to 39.8" (1011mm) of precipitation.Snowfall
January through March and December are months with snowfall. In Seaside, in January, during 0.5 snowfall days, 0.51" (13mm) of snow is typically accumulated. In Seaside, during the entire year, snow falls for 2.8 days and aggregates up to 1.3" (33mm) of snow.Ocean temperature
In Seaside, Oregon, in January, the average water temperature is 48.9°F (9.4°C).Note: In 48.9°F (9.4°C), even brief exposure to 55.4°F (13°C) feels biting, and anything less than 50°F (10°C) risks cold shock and impaired breathing, considering one's health.
Daylight
In January, the average length of the day is 9h and 8min.On the first day of January, sunrise is at 7:57 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:19 pm PST.
Sunshine
The months with the least sunshine are January and February, with an average of 3.9h of sunshine.UV index
In January, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 3 in January leads to these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January?
What are the least humid months?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
What is the ocean temperature in January?
How many hours of daylight does Seaside have in January?
What time are sunrise and sunset in January?
What are the months with the least sunshine in Seaside?
How many hours of sunshine does Seaside have in January?
What is the UV index intensity in January?
Average temperature in January
Seaside, OR
- Average high temperature in January: 47.8°F
The warmest month (with the highest average high temperature) is August (65.5°F).
The month with the lowest average high temperature is December (46.6°F).
- Average low temperature in January: 41.2°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).
Average pressure in January
Seaside, OR
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).
Average wind speed in January
Seaside, OR
- Average wind speed in January: 10.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in January
Seaside, OR
- Average humidity in January: 81%
The month with the highest relative humidity is August (84%).
The months with the lowest relative humidity are January, March, April, May, October and December (81%).
Average rainfall in January
Seaside, OR
- Average rainfall in January: 6.26"
The wettest month (with the highest rainfall) is December (6.54").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in January
Seaside, OR
- Average rainfall days in January: 19.4 days
The month with the highest number of rainy days is March (20.8 days).
The months with the least rainy days are July and August (7.3 days).
Average snowfall in January
Seaside, OR
- Average snowfall in January: 0.51"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Seaside, OR
- Average snowfall days in January: 0.5 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in January
Seaside, OR
- Average sea temperature in January: 48.9°F
The best month for swimming (with the highest average sea temperature) is July (57.2°F).
The coldest month (with the lowest average sea temperature) is February (48.1°F).
Average daylight in January /
Average sunshine in January
Seaside, OR
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in January
Seaside, OR
- Average sunshine days in January: 10.3 days
The month with the most sunshine days is August (21.2 days).
The month with the least sunshine days is February (7.5 days).
Average UV index in January
Seaside, OR
- Average UV index in January: 3
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in January
Seaside, OR
- Average cloud cover in January: 59
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Seaside, OR
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Seaside, Oregon, USA
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