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 snowfall in January
- Average snowfall 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
San Jacinto's average high-temperature in January is an enjoyable 61°F (16.1°C), marking an insignificant difference from the 58.6°F (14.8°C) of December. During the January nights, an average temperature of 42.4°F (5.8°C) is observed.Humidity
The average relative humidity in January in San Jacinto is 51%.Rainfall
In San Jacinto, in January, during 5.3 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, in San Jacinto, there are 54 rainfall days, and 6.61" (168mm) of precipitation is accumulated.Snowfall
January through November are months without snowfall in San Jacinto.Daylight
In San Jacinto, the average length of the day in January is 10h and 13min.On the first day of the month, sunrise is at 6:52 am and sunset at 4:50 pm. On the last day of January, in San Jacinto, California, sunrise is at 6:45 am and sunset at 5:17 pm PST.
Sunshine
In January, the average sunshine is 6.8h.UV index
The average daily maximum UV index in January in San Jacinto is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 4 suggests this advice:
Act with care - The need to guard against sun damage is communicated. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the average January temperature in San Jacinto?
What is the average humidity in January in San Jacinto?
How many days does it rain in January in San Jacinto?
When it does not snow in San Jacinto?
Does it snow in San Jacinto in January?
What is the average length of the day in January in San Jacinto?
When is the sunrise / sunset in January in San Jacinto?
How many hours of sunshine does San Jacinto have in January?
What is the UV index reading in January in San Jacinto?
Average temperature in January
San Jacinto, CA
- Average high temperature in January: 61°F
The warmest month (with the highest average high temperature) is August (90.5°F).
The month with the lowest average high temperature is December (58.6°F).
- Average low temperature in January: 42.4°F
The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (41°F).
Average pressure in January
San Jacinto, CA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in January
San Jacinto, CA
- Average wind speed in January: 5.6mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).
Average humidity in January
San Jacinto, CA
- Average humidity in January: 51%
The months with the highest relative humidity are February, March and May (56%).
The month with the lowest relative humidity is August (41%).
Average rainfall in January
San Jacinto, CA
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is February (1.38").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
San Jacinto, CA
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.6 days).
Average snowfall in January
San Jacinto, CA
- Average snowfall in January: 0"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
San Jacinto, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
San Jacinto, CA
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 6h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 42min).
Average sunshine days in January
San Jacinto, CA
- Average sunshine days in January: 25.1 days
The month with the most sunshine days is October (27.4 days).
The month with the least sunshine days is February (20.9 days).
Average UV index in January
San Jacinto, CA
- Average UV index in January: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in January
San Jacinto, CA
- Average cloud cover in January: 21
The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in January
San Jacinto, 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 Jacinto, California, USA
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