Expand
Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another comfortable winter month in San Juan Capistrano, California, with an average temperature fluctuating between 64.2°F (17.9°C) and 51.3°F (10.7°C). January notes an average high-temperature of a still comfortable 64.2°F (17.9°C), subtly differing from December's 62.4°F (16.9°C). Weather in January »
Weather in February
February, the last month of the winter in San Juan Capistrano, is another comfortable month, with an average temperature ranging between max 63.1°F (17.3°C) and min 50°F (10°C). Upon the beginning of February, San Juan Capistrano's high-temperatures register at a still refreshing 63.1°F (17.3°C), closely mirroring the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is still a refreshing month in San Juan Capistrano, California, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 64.8°F (18.2°C). March's average high-temperature stands at a still enjoyable 64.8°F (18.2°C), showing little deviation from February's 63.1°F (17.3°C). Weather in March »
Weather in April
April, like March, in San Juan Capistrano, California, is another refreshing spring month, with an average temperature ranging between min 52.9°F (11.6°C) and max 66.4°F (19.1°C). As San Juan Capistrano, California, steps into April, the average high-temperature holds at a still refreshing 66.4°F (19.1°C), hinting at a minor fluctuation from the prior month. Weather in April »
Weather in May
The last month of the spring, May, is another refreshing month in San Juan Capistrano, California, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 67.6°F (19.8°C). San Juan Capistrano records an average high-temperature of a still enjoyable 67.6°F (19.8°C) as May arrives, nearly mirroring the previous month's climate. Weather in May »
Weather in June
June, the first month of the summer in San Juan Capistrano, is an agreeable month, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 71.2°F (21.8°C). San Juan Capistrano records an average high-temperature of a pleasant 71.2°F (21.8°C) in June, closely mirroring the climate of the previous month. Weather in June »
Weather in July
July is a warm summer month in San Juan Capistrano, California, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 61.9°F (16.6°C). As June turns into July, the average high-temperatures rest at a warm 75.4°F (24.1°C), showing a minor variation from the prior month. Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in San Juan Capistrano, California, with an average temperature ranging between max 76.8°F (24.9°C) and min 63.3°F (17.4°C). San Juan Capistrano records a slight change with August's average high-temperatures adjusting to a still moderately hot 76.8°F (24.9°C) from July's 75.4°F (24.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in San Juan Capistrano, California, with an average temperature varying between 63.1°F (17.3°C) and 77.4°F (25.2°C). September, with average temperatures reaching a high of 77.4°F (25.2°C) and a low of 63.1°F (17.3°C), is the warmest month. Weather in September »
Weather in October
October, the same as September, in San Juan Capistrano, California, is another pleasant autumn month, with an average temperature varying between 60.3°F (15.7°C) and 73.2°F (22.9°C). The beginning of October records an average high-temperature of a pleasant 73.2°F (22.9°C), almost echoing the conditions of the previous month. Weather in October »
Weather in November
November, the last month of the autumn in San Juan Capistrano, is also an agreeable month, with an average temperature varying between 55.6°F (13.1°C) and 68.7°F (20.4°C). The commencement of November brings an average high-temperature of a still pleasant 68.7°F (20.4°C), marking an inconsequential divergence from October. Weather in November »
Weather in December
December, the first month of the winter in San Juan Capistrano, is still a refreshing month, with an average temperature fluctuating between 62.4°F (16.9°C) and 50.5°F (10.3°C). San Juan Capistrano notes the coldest temperatures in December, with a high average of 62.4°F (16.9°C) and a low of 50.5°F (10.3°C). Weather in December »
Updated: Jul 7, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain?
In San Juan Capistrano, during the entire year, the rain falls for 69 days and collects up to 9.09" (231mm) of precipitation.
What are the months with the lowest UV index?
The months with the lowest UV index in San Juan Capistrano are January through March, November and December, with an average maximum UV index of 4.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
What is the most humid month?
June is the most humid month, with an average relative humidity of 74%.
What is the driest month?
June is the month with the least rainfall. Rain falls for 3 days and accumulates 0.12" (3mm) of precipitation.
When are the longest days?
The month with the longest days is June, with an average of 14h and 18min of daylight.
What is the month with the highest UV index?
The months with the highest UV index are July through September, with an average maximum UV index of 6.
What month has the most sunshine?
August has the most sunshine of the year in San Juan Capistrano, with an average of 11.9h of sunshine.
What is the warmest month?
With an average high-temperature of 77.4°F (25.2°C) and an average low-temperature of 63.1°F (17.3°C), September is the warmest month.
What is the least humid month?
November is the least humid month, with an average relative humidity of 59%.
What is the coldest time of year in San Juan Capistrano?
December stands out as San Juan Capistrano's coldest month, with temperatures ranging between an average high of 62.4°F (16.9°C) and a low of 50.5°F (10.3°C).
What is the rainiest month?
The month with the most rainfall is December, when the rain falls for 6.8 days and typically aggregates up to 1.85" (47mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 10h and 0min of daylight.
What is the month with the least sunshine?
With an average of 6.4h of sunshine, December has the least sunshine of the year.
Average temperature
San Juan Capistrano, CA
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).
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
San Juan Capistrano, CA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.89"Hg - Average pressure in October:
29.94"Hg - Average pressure in November:
30.02"Hg - Average pressure in December:
30.07"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
San Juan Capistrano, CA
- Average wind speed in January:
5.2mph - Average wind speed in February:
5.7mph - Average wind speed in March:
5.8mph - Average wind speed in April:
6.3mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.3mph
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
San Juan Capistrano, CA
The month with the highest relative humidity is June (74%).
The month with the lowest relative humidity is November (59%).
Average rainfall
San Juan Capistrano, CA
- Average rainfall in January:
1.14" - Average rainfall in February:
1.22" - Average rainfall in March:
0.98" - Average rainfall in April:
0.55" - Average rainfall in May:
0.35" - Average rainfall in June:
0.12"
- Average rainfall in July:
0.63" - Average rainfall in August:
0.51" - Average rainfall in September:
0.39" - Average rainfall in October:
0.51" - Average rainfall in November:
0.83" - Average rainfall in December:
1.85"
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
San Juan Capistrano, CA
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
7.1 days - Average rainfall days in May:
6.5 days - Average rainfall days in June:
3 days
- Average rainfall days in July:
5.9 days - Average rainfall days in August:
4.1 days - Average rainfall days in September:
5.6 days - Average rainfall days in October:
5 days - Average rainfall days in November:
4.8 days - Average rainfall days in December:
6.8 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 / Average sunshine
San Juan Capistrano, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
10h and 0min
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 - Average sunshine in February:
6h and 4min - Average sunshine in March:
8h and 3min - Average sunshine in April:
10h and 3min - Average sunshine in May:
10h and 4min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 5min - Average sunshine in September:
10h and 2min - Average sunshine in October:
8h and 2min - Average sunshine in November:
6h and 5min - Average sunshine in December:
6h and 2min
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
San Juan Capistrano, CA
- Average sunshine days in January:
24.7 days - Average sunshine days in February:
20.1 days - Average sunshine days in March:
22 days - Average sunshine days in April:
21.6 days - Average sunshine days in May:
19.5 days - Average sunshine days in June:
21.8 days
- Average sunshine days in July:
21.4 days - Average sunshine days in August:
22.8 days - Average sunshine days in September:
21.5 days - Average sunshine days in October:
23.8 days - Average sunshine days in November:
24.1 days - Average sunshine days in December:
22.8 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
San Juan Capistrano, CA
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
San Juan Capistrano, CA
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
San Juan Capistrano, CA
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
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location