January weather forecastSeaside, CA
January
Weather in January
January, like December, is a moderate winter month in Seaside, California, with temperature in the range of an average high of 59°F (15°C) and an average low of 46.4°F (8°C).Temperature
The advent of January denotes an average high-temperature of a still refreshing 59°F (15°C), subtly different from December's 57.2°F (14°C). Throughout the nights in January, an average low-temperature of 46.4°F (8°C) is noted.Humidity
In January, the average relative humidity in Seaside is 71%.Rainfall
In Seaside, during January, the rain falls for 9.3 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 73.6 rainfall days, and 11.77" (299mm) of precipitation is accumulated.Daylight
The average length of the day in January is 10h and 0min.On the first day of January, sunrise is at 7:19 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:31 pm PST.
Sunshine
The average sunshine in January is 6.4h.UV index
In January, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 4 during January leads to these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Seaside, CA
- Average high temperature in January: 59°F
The warmest month (with the highest average high temperature) is September (72.5°F).
The month with the lowest average high temperature is December (57.2°F).
- Average low temperature in January: 46.4°F
The months with the highest average low temperature are August and September (55.2°F).
The coldest month (with the lowest average low temperature) is February (46°F).
Average pressure in January
Seaside, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in January
Seaside, CA
- Average wind speed in January: 6.2mph
The windiest months (with the highest average wind speed) are April and May (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in January
Seaside, CA
- Average humidity in January: 71%
The months with the highest relative humidity are March and May (76%).
The month with the lowest relative humidity is November (68%).
Average rainfall in January
Seaside, CA
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is December (2.4").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in January
Seaside, CA
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (1.1 days).
Average daylight in January /
Average sunshine in January
Seaside, CA
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 6h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in January
Seaside, CA
- Average sunshine days in January: 20.3 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in January
Seaside, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Seaside, CA
- Average cloud cover in January: 29
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in January
Seaside, CA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
