June weather forecastOakland, CA
June
Weather in June
Welcoming the summer season, June in Oakland, California presents warmer days and an extended duration of sunshine. The month also exhibits a decrease in humidity, with a relative drop in the monthly average. Sea temperatures remain fairly unchanged from May. The atmospheric pressure also experiences a slight dip. Nevertheless, the most notable change is the near absence of rainfall, which collectively amounts to a negligible 0.04" (1mm) throughout the month. This pattern slightly alters with July moving in, bringing in subtle changes across several weather parameters.Temperature
The average high-temperature mildly increases in June, edging from an enjoyable 65.8°F (18.8°C) in May to a pleasant 71.2°F (21.8°C). Throughout the month of June, the nighttime temperature dips to an average of 53.6°F (12°C).Humidity
In Oakland, the average relative humidity in June is 70%.Rainfall
June is the last month it rains. During 0.8 rainfall days, in June, Oakland aggregates 0.04" (1mm) of precipitation. In Oakland, during the entire year, the rain falls for 44 days and collects up to 3.03" (77mm) of precipitation.Ocean temperature
April through June, with an average ocean temperature of 53.1°F (11.7°C), are months with the coldest seawater in Oakland.Note: Taking a dip in 53.1°F (11.7°C) can be perilous. Submersion in temperatures under 50°F (10°C) triggers severe cold shock accompanied by hyperventilation.
Daylight
With an average of 14h and 42min of daylight, June has the longest days of the year.On the first day of June, sunrise is at 5:48 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:35 pm PDT.
Sunshine
In June, the average sunshine is 11.6h.UV index
The months with the highest UV index are April through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: An average UV index of 5 in June transforms into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Oakland, CA
- Average high temperature in June: 71.2°F
The warmest month (with the highest average high temperature) is September (73.9°F).
The month with the lowest average high temperature is December (55.8°F).
- Average low temperature in June: 53.6°F
The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is January (45.7°F).
Average pressure in June
Oakland, CA
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in June
Oakland, CA
- Average wind speed in June: 7.1mph
The windiest month (with the highest average wind speed) is May (7.6mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).
Average humidity in June
Oakland, CA
- Average humidity in June: 70%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (67%).
Average rainfall in June
Oakland, CA
- Average rainfall in June: 0.04"
The wettest month (with the highest rainfall) is February (0.67").
The driest month (with the least rainfall) is July (0").
Average rainfall days in June
Oakland, CA
- Average rainfall days in June: 0.8 days
The month with the highest number of rainy days is March (8.5 days).
The months with the least rainy days are June and August (0.8 days).
Average sea temperature in June
Oakland, CA
- Average sea temperature in June: 53°F
The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).
Average daylight in June /
Average sunshine in June
Oakland, 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 36min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in June
Oakland, CA
- Average sunshine days in June: 28.5 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is March (20.8 days).
Average UV index in June
Oakland, CA
- Average UV index in June: 5
The months with the highest UV index are April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in June
Oakland, CA
- Average cloud cover in June: 16
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in June
Oakland, 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).





