January weather forecastSpreckels, CA
January
Weather in January
January, the same as December, in Spreckels, California, is another mild winter month, with an average temperature varying between 45°F (7.2°C) and 59.2°F (15.1°C).Temperature
Spreckels, California, sees the arrival of January with an average high-temperature of a still refreshing 59.2°F (15.1°C), indicating a subtle variation from December. During January, Spreckels records an average temperature of 45°F (7.2°C) at night.Humidity
In January, the average relative humidity in Spreckels is 71%.Rainfall
In Spreckels, during January, the rain falls for 6.9 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Spreckels, during the entire year, the rain falls for 57.8 days and collects up to 6.57" (167mm) of precipitation.Daylight
In January, the average length of the day in Spreckels, California, is 10h and 0min.On the first day of the month, sunrise is at 7:18 am and sunset at 5:01 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:30 pm PST.
Sunshine
The average sunshine in January is 6.4h.UV index
In January, the average daily maximum UV index in Spreckels is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In January, a regular UV index of 4 translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Spreckels, CA
- Average high temperature in January: 59.2°F
The warmest months (with the highest average high temperature) are August and September (76.1°F).
The month with the lowest average high temperature is December (57.6°F).
- Average low temperature in January: 45°F
The months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (44.1°F).
Average pressure in January
Spreckels, 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
Spreckels, CA
- Average wind speed in January: 5.3mph
The windiest month (with the highest average wind speed) is May (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).
Average humidity in January
Spreckels, CA
- Average humidity in January: 71%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (66%).
Average rainfall in January
Spreckels, CA
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is December (1.38").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in January
Spreckels, CA
- Average rainfall days in January: 6.9 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.8 days).
Average daylight in January /
Average sunshine in January
Spreckels, 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 months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in January
Spreckels, CA
- Average sunshine days in January: 22.9 days
The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is March (19.2 days).
Average UV index in January
Spreckels, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in January
Spreckels, CA
- Average cloud cover in January: 29
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in January
Spreckels, 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).





