June weather forecastBrentwood, CA
June
Weather in June
June, the first month of the summer in Brentwood, is still a warm month, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 55°F (12.8°C).Temperature
The beginning of June marks a minor shift in the average high-temperature, moving from May's moderately hot 75.6°F (24.2°C) to a still warm 84.4°F (29.1°C). Nighttime temperatures throughout June register a significant deviation from the day's highs, averaging at a fresh 55°F (12.8°C).Heat index
The heat index value for June is evaluated at a tropical 86°F (30°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
In June, the average relative humidity is 53%.Rainfall
In Brentwood, in June, during 1.3 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. In Brentwood, during the entire year, the rain falls for 62 days and collects up to 10.16" (258mm) of precipitation.Snowfall
January through November are months without snowfall in Brentwood.Daylight
With an average of 14h and 48min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:45 am and sunset at 8:23 pm. On the last day of June, sunrise is at 5:48 am and sunset at 8:33 pm PDT.
Sunshine
The average sunshine in June in Brentwood is 11.8h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In June, an average UV index of 6 transforms into the following instructions:
Deflect overexposure. Sun protection is a necessity. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Brentwood, CA
- Average high temperature in June: 84.4°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in June: 55°F
The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in June
Brentwood, CA
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Brentwood, CA
- Average wind speed in June: 7.8mph
The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).
Average humidity in June
Brentwood, CA
- Average humidity in June: 53%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).
Average rainfall in June
Brentwood, CA
- Average rainfall in June: 0.08"
The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in June
Brentwood, CA
- Average rainfall days in June: 1.3 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).
Average snowfall days in June
Brentwood, CA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in June /
Average sunshine in June
Brentwood, CA
- Average daylight in June: 14h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in June: 11h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in June
Brentwood, CA
- Average sunshine days in June: 28.5 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).
Average UV index in June
Brentwood, CA
- Average UV index in June: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in June
Brentwood, CA
- Average cloud cover in June: 11
The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in June
Brentwood, 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).
