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 transition from December to January sees average high-temperatures adjusting to a still refreshing 64.2°F (17.9°C), from a not significantly different 62.4°F (16.9°C). San Juan Capistrano, during the month of January, experiences an average low-temperature of 51.3°F (10.7°C).Humidity
In January, the average relative humidity is 61%.Rainfall
In San Juan Capistrano, in January, it is raining for 5.6 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in San Juan Capistrano, there are 69 rainfall days, and 9.09" (231mm) of precipitation is accumulated.Daylight
The average length of the day in January in San Juan Capistrano is 10h and 14min.On the first day of January in San Juan Capistrano, sunrise is at 6:54 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 5:20 pm PST.
Sunshine
In San Juan Capistrano, the average sunshine in January is 6.7h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 4 during January translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What is the average January temperature in San Juan Capistrano?
What is the average humidity in January in San Juan Capistrano?
How many days does it rain in January in San Juan Capistrano?
How many hours of daylight does San Juan Capistrano have in January?
When is the sunrise / sunset in January in San Juan Capistrano?
How long on average sun shines in January in San Juan Capistrano?
What are the months with the lowest UV index in San Juan Capistrano?
What is the UV index reading in January in San Juan Capistrano?
Average temperature in January
San Juan Capistrano, CA
- Average high temperature in January: 64.2°F
The warmest month (with the highest average high temperature) is September (77.4°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in January: 51.3°F
The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is February (50°F).
Average pressure in January
San Juan Capistrano, 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 (29.88"Hg).
Average wind speed in January
San Juan Capistrano, CA
- Average wind speed in January: 5.2mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are August, September and October (5mph).
Average humidity in January
San Juan Capistrano, CA
- Average humidity in January: 61%
The month with the highest relative humidity is June (74%).
The month with the lowest relative humidity is November (59%).
Average rainfall in January
San Juan Capistrano, CA
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in January
San Juan Capistrano, CA
- Average rainfall days in January: 5.6 days
The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (3 days).
Average daylight in January /
Average sunshine in January
San Juan Capistrano, CA
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 6h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in January
San Juan Capistrano, CA
- Average sunshine days in January: 24.7 days
The month with the most sunshine days is January (24.7 days).
The month with the least sunshine days is May (19.5 days).
Average UV index in January
San Juan Capistrano, CA
- Average UV index in January: 4
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in January
San Juan Capistrano, CA
- Average cloud cover in January: 24
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in January
San Juan Capistrano, 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 Juan Capistrano, California, USA
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