January weather forecastPleasant Hill, CA
January
Weather in January
January, the same as December, in Pleasant Hill, California, is another mild winter month, with an average temperature fluctuating between 56.8°F (13.8°C) and 42.3°F (5.7°C).Temperature
In Pleasant Hill, January's average high-temperature stands at a still moderate 56.8°F (13.8°C), closely related to the preceding month. January nights are marked by an average low-temperature of 42.3°F (5.7°C).Humidity
January and March, with an average relative humidity of 73%, are the most humid months in Pleasant Hill.Rainfall
In January, in Pleasant Hill, the rain falls for 6.5 days. Throughout January, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Pleasant Hill, California, there are 49.3 rainfall days, and 3.82" (97mm) of precipitation is accumulated.Daylight
In January, the average length of the day is 9h and 53min.On the first day of the month, sunrise is at 7:24 am and sunset at 4:59 pm. On the last day of January, in Pleasant Hill, sunrise is at 7:13 am and sunset at 5:29 pm PST.
Sunshine
In Pleasant Hill, the average sunshine in January is 5.9h.UV index
The months with the lowest UV index in Pleasant Hill are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 3 during January translates into the following guidance:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Pleasant Hill, CA
- Average high temperature in January: 56.8°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in January: 42.3°F
The month with the highest average low temperature is September (57.4°F).
The coldest month (with the lowest average low temperature) is January (42.3°F).
Average pressure in January
Pleasant Hill, CA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Pleasant Hill, CA
- Average wind speed in January: 4.7mph
The windiest month (with the highest average wind speed) is May (7.6mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).
Average humidity in January
Pleasant Hill, CA
- Average humidity in January: 73%
The months with the highest relative humidity are January and March (73%).
The month with the lowest relative humidity is September (56%).
Average rainfall in January
Pleasant Hill, CA
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in January
Pleasant Hill, CA
- Average rainfall days in January: 6.5 days
The month with the highest number of rainy days is March (9.8 days).
The month with the least rainy days is August (0.5 days).
Average daylight in January /
Average sunshine in January
Pleasant Hill, CA
- Average daylight in January: 9h and 54min
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 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
Pleasant Hill, CA
- Average sunshine days in January: 23.3 days
The month with the most sunshine days is July (29.5 days).
The month with the least sunshine days is March (20 days).
Average UV index in January
Pleasant Hill, CA
- Average UV index in January: 3
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Pleasant Hill, CA
- Average cloud cover in January: 35
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in January
Pleasant Hill, 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).
