June weather forecastLivermore, CA
June
Weather in June
June, the first month of the summer in Livermore, is a moderately hot month, with an average temperature ranging between max 81.1°F (27.3°C) and min 53.6°F (12°C).Temperature
Livermore's June weather indicates a minor increase in high-temperatures, edging from May's pleasant 73°F (22.8°C) to a moderately hot 81.1°F (27.3°C). A considerable shift from the daytime highs is observed during June nights, with an average low of 53.6°F (12°C).Heat index
For June, the heat index is calculated to be 82.4°F (28°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.Heat index determinations are made taking into account the shade and light air movements. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In June, the average relative humidity is 56%.Rainfall
In Livermore, during June, the rain falls for 1.8 days and regularly aggregates up to 0.12" (3mm) of precipitation. Throughout the year, there are 70.6 rainfall days, and 11.3" (287mm) of precipitation is accumulated.Daylight
June has the longest days of the year, with an average of 14h and 42min of daylight.On the first day of June, sunrise is at 5:46 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:32 pm PDT.
Sunshine
In June, the average sunshine in Livermore is 11.9h.UV index
The months with the highest UV index in Livermore are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 6 in June transforms into this advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Livermore, CA
- Average high temperature in June: 81.1°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (54.9°F).
- Average low temperature in June: 53.6°F
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is January (41.4°F).
Average pressure in June
Livermore, CA
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in June
Livermore, CA
- Average wind speed in June: 6.5mph
The windiest months (with the highest average wind speed) are May and June (6.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity in June
Livermore, CA
- Average humidity in June: 56%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (55%).
Average rainfall in June
Livermore, CA
- Average rainfall in June: 0.12"
The wettest month (with the highest rainfall) is February (2.09").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in June
Livermore, CA
- Average rainfall days in June: 1.8 days
The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is August (1.3 days).
Average daylight in June /
Average sunshine in June
Livermore, 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 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in June
Livermore, CA
- Average sunshine days in June: 27.5 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (17.6 days).
Average UV index in June
Livermore, 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
Livermore, CA
- Average cloud cover in June: 10
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in June
Livermore, 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).
