June weather forecastPortola Hills, CA
June
Weather in June
The first month of the summer, June, is a warm month in Portola Hills, California, with an average temperature ranging between min 57.7°F (14.3°C) and max 75.4°F (24.1°C).Temperature
May's transformation into June witnesses an average high-temperature of a warm 75.4°F (24.1°C), noting a minor change from the preceding month. Portola Hills experiences a consistent average temperature of 57.7°F (14.3°C) throughout the nights in June.Humidity
May and June, with an average relative humidity of 69%, are the most humid months.Rainfall
The month with the least rainfall is June, when the rain falls for 2 days and typically collects 0.08" (2mm) of precipitation.Daylight
June has the longest days of the year, with an average of 14h and 24min of daylight.On the first day of June, sunrise is at 5:40 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:05 pm PDT.
Sunshine
In June, the average sunshine is 11.9h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 6 in June transforms into the following instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Portola Hills, CA
- Average high temperature in June: 75.4°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in June: 57.7°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in June
Portola Hills, CA
- Average pressure in June: 29.88"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in June
Portola Hills, CA
- Average wind speed in June: 5mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest months (with the lowest average wind speed) are August and September (4.5mph).
Average humidity in June
Portola Hills, CA
- Average humidity in June: 69%
The months with the highest relative humidity are May and June (69%).
The month with the lowest relative humidity is November (55%).
Average rainfall in June
Portola Hills, CA
- Average rainfall in June: 0.08"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in June
Portola Hills, CA
- Average rainfall days in June: 2 days
The month with the highest number of rainy days is March (8.1 days).
The month with the least rainy days is June (2 days).
Average daylight in June /
Average sunshine in June
Portola Hills, CA
- Average daylight in June: 14h and 24min
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 June: 11h and 54min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in June
Portola Hills, CA
- Average sunshine days in June: 22.3 days
The months with the most sunshine days are January and October (24.2 days).
The month with the least sunshine days is May (19.3 days).
Average UV index in June
Portola Hills, CA
- Average UV index in June: 6
The months with the highest UV index are June, 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
Portola Hills, CA
- Average cloud cover in June: 13
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in June
Portola Hills, 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).
