June weather forecastHalf Moon Bay, CA

June
Weather in June
June, the first month of the summer in Half Moon Bay, is a comfortable month, with temperature in the range of an average high of 63.7°F (17.6°C) and an average low of 53.6°F (12°C).Temperature
The advent of June reveals an average high-temperature of a still refreshing 63.7°F (17.6°C), showing minimal difference from the prior month. During June, Half Moon Bay experiences an average low-temperature of 53.6°F (12°C) at night.Humidity
In Half Moon Bay, the average relative humidity in June is 79%.Rainfall
The months with the least rainfall are June and July Rain falls for 3 days and accumulates 0.12" (3mm) of rain.Daylight
The month with the longest days is June, with an average of 14h and 42min of daylight.On the first day of June, sunrise is at 5:49 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:34 pm PDT.
Sunshine
The average sunshine in June is 11.2h.UV index
The months with the highest UV index are June, August and September, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 5 during June translates into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Half Moon Bay, CA
- Average high temperature in June: 63.7°F
The warmest month (with the highest average high temperature) is September (66.9°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in June: 53.6°F
The month with the highest average low temperature is September (56.7°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in June
Half Moon Bay, CA
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in June
Half Moon Bay, CA
- Average wind speed in June: 8.4mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in June
Half Moon Bay, CA
- Average humidity in June: 79%
The month with the highest relative humidity is August (82%).
The months with the lowest relative humidity are November and December (72%).
Average rainfall in June
Half Moon Bay, CA
- Average rainfall in June: 0.12"
The wettest month (with the highest rainfall) is February (1.61").
The driest months (with the least rainfall) are June and July (0.12").
Average rainfall days in June
Half Moon Bay, CA
- Average rainfall days in June: 3 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is June (3 days).
Average daylight in June /
Average sunshine in June
Half Moon Bay, CA
- Average daylight in June: 14h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in June: 11h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in June
Half Moon Bay, CA
- Average sunshine days in June: 23.4 days
The month with the most sunshine days is October (24.6 days).
The months with the least sunshine days are March and August (18.8 days).
Average UV index in June
Half Moon Bay, CA
- Average UV index in June: 5
The months with the highest UV index are June, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, May, July, October, November and December (UV index 4).
Average cloud cover in June
Half Moon Bay, CA
- Average cloud cover in June: 21
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in June
Half Moon Bay, 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).





