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
The arrival of January brings an average high-temperature of a still moderate 59°F (15°C), subtly diverging from December's 56.5°F (13.6°C). January in San Joaquin sees the temperature falling to a mean low of 43.7°F (6.5°C).Humidity
January and December, with an average relative humidity of 66%, are the most humid months in San Joaquin, California.Rainfall
In January, the rain falls for 4.9 days. Throughout January, 0.31" (8mm) of precipitation is accumulated. In San Joaquin, during the entire year, the rain falls for 37.2 days and collects up to 2.48" (63mm) of precipitation.Daylight
In January, the average length of the day in San Joaquin is 10h and 0min.On the first day of the month, sunrise is at 7:12 am and sunset at 4:55 pm. On the last day of January, in San Joaquin, sunrise is at 7:03 am and sunset at 5:25 pm PST.
Sunshine
In January, the average sunshine in San Joaquin, California, is 6.6h.UV index
January, November and December, with an average maximum UV index of 3, are months with the lowest UV index in San Joaquin, California. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 3 in January translates into this advice:
Prioritize safety - Recommendations to avert sunburn are shared. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the average January temperature in San Joaquin?
What is the most humid month in San Joaquin?
What is the average humidity in January in San Joaquin?
How much does it rain in San Joaquin in January?
How many hours of daylight does San Joaquin have in January?
What time are sunrise and sunset in January in San Joaquin?
How long on average sun shines in January in San Joaquin?
What are the months with the lowest UV index in San Joaquin?
What is the UV index intensity in January in San Joaquin?
Average temperature in January
San Joaquin, CA
- Average high temperature in January: 59°F
The warmest month (with the highest average high temperature) is July (100.9°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in January: 43.7°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is December (42.6°F).
Average pressure in January
San Joaquin, 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 (29.9"Hg).
Average wind speed in January
San Joaquin, CA
- Average wind speed in January: 5.1mph
The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is January (5.1mph).
Average humidity in January
San Joaquin, CA
- Average humidity in January: 66%
The months with the highest relative humidity are January and December (66%).
The month with the lowest relative humidity is July (30%).
Average rainfall in January
San Joaquin, CA
- Average rainfall in January: 0.31"
The wettest months (with the highest rainfall) are February and March (0.43").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in January
San Joaquin, CA
- Average rainfall days in January: 4.9 days
The month with the highest number of rainy days is March (7 days).
The months with the least rainy days are August and September (0.5 days).
Average daylight in January /
Average sunshine in January
San Joaquin, 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 4min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The months with the least sunshine are February and December (Average sunshine: 6h and 24min).
Average sunshine days in January
San Joaquin, CA
- Average sunshine days in January: 25.5 days
The month with the most sunshine days is August (29.7 days).
The month with the least sunshine days is February (22 days).
Average UV index in January
San Joaquin, CA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in January
San Joaquin, CA
- Average cloud cover in January: 27
The month with the most cloud cover is March (Cloud cover 29).
The months with the least cloud cover are July and August (Cloud cover 4).
Average visibility in January
San Joaquin, 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 Joaquin, California, USA
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