June weather forecastSan Clemente, CA
June
Weather in June
June, the first month of the summer in San Clemente, 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).Temperature
The arrival of June coincides with an average high-temperature of an agreeable 71.2°F (21.8°C), indicating a minimal shift from May's 67.6°F (19.8°C). San Clemente reports a consistent average low-temperature of 57.7°F (14.3°C) throughout June nights.Humidity
The most humid month is June, with an average relative humidity of 75%.Rainfall
June is the month with the least rainfall. Rain falls for 1.4 days and accumulates 0.08" (2mm) of precipitation.Ocean temperature
In San Clemente, the average seawater temperature in June is 65.7°F (18.7°C).Note: The enjoyment of swimming decreases for most when the surface water temperature is 65.7°F (18.7°C). Breathing control becomes increasingly challenging as temperatures descend below 69.8°F (21°C).
Daylight
June has the longest days of the year in San Clemente, with an average of 14h and 18min of daylight.On the first day of June, sunrise is at 5:41 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:04 pm PDT.
Sunshine
The average sunshine in June is 11.6h.UV index
The average daily maximum UV index in June is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 5 during June translates into the following directions:
Prioritize safety - Recommendations to avert sunburn are shared. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. 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 June
San Clemente, CA
- Average high temperature in June: 71.2°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 (62.6°F).
- Average low temperature in June: 57.7°F
The months with the highest average low temperature are August and September (63.5°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).
Average pressure in June
San Clemente, CA
- Average pressure in June: 29.88"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 June
San Clemente, CA
- Average wind speed in June: 5.2mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are August and September (4.9mph).
Average humidity in June
San Clemente, CA
- Average humidity in June: 75%
The month with the highest relative humidity is June (75%).
The month with the lowest relative humidity is November (60%).
Average rainfall in June
San Clemente, CA
- Average rainfall in June: 0.08"
The wettest month (with the highest rainfall) is December (0.71").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in June
San Clemente, CA
- Average rainfall days in June: 1.4 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.4 days).
Average sea temperature in June
San Clemente, CA
- Average sea temperature in June: 65.6°F
The best month for swimming (with the highest average sea temperature) is August (68.3°F).
The coldest months (with the lowest average sea temperature) are January and February (58.9°F).
Average daylight in June /
Average sunshine in June
San Clemente, CA
- Average daylight in June: 14h and 18min
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 June: 11h and 36min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in June
San Clemente, CA
- Average sunshine days in June: 25.4 days
The month with the most sunshine days is October (26 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in June
San Clemente, CA
- Average UV index in June: 5
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 June
San Clemente, CA
- Average cloud cover in June: 19
The months with the most cloud cover are March and May (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in June
San Clemente, CA
- Average visibility in June: 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).
