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 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 brings an average high-temperature of a still mild 56.3°F (13.5°C), nearly identical to the preceding month. An average nighttime temperature of 44.8°F (7.1°C) is witnessed in San Pablo throughout January.Humidity
In January, the average relative humidity is 73%.Rainfall
In San Pablo, in January, it is raining for 8.1 days, with typically 0.98" (25mm) of accumulated precipitation. In San Pablo, during the entire year, the rain falls for 64.5 days and collects up to 5.98" (152mm) of precipitation.Daylight
In January, the average length of the day in San Pablo is 9h and 53min.On the first day of the month, sunrise is at 7:25 am and sunset at 5:00 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:31 pm PST.
Sunshine
The average sunshine in January is 5.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 3 in January translates into these instructions:
Take precautions - Protection against skin and eye damage is obliged. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in January?
What is the average humidity in January?
How many days does it rain in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
San Pablo, CA
- Average high temperature in January: 56.3°F
The warmest month (with the highest average high temperature) is September (75.7°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in January: 44.8°F
The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is January (44.8°F).
Average pressure in January
San Pablo, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in January
San Pablo, CA
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is May (7.5mph).
The calmest month (with the lowest average wind speed) is November (5.1mph).
Average humidity in January
San Pablo, CA
- Average humidity in January: 73%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (65%).
Average rainfall in January
San Pablo, CA
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is February (1.38").
The driest months (with the least rainfall) are June, July, August and September (0.08").
Average rainfall days in January
San Pablo, CA
- Average rainfall days in January: 8.1 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is June (2 days).
Average daylight in January /
Average sunshine in January
San Pablo, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 5h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
San Pablo, CA
- Average sunshine days in January: 21.8 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (18.4 days).
Average UV index in January
San Pablo, CA
- Average UV index in January: 3
The months with the highest UV index are April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
San Pablo, CA
- Average cloud cover in January: 34
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in January
San Pablo, 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).
San Pablo, California, USA
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