Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
A shift in the average high-temperature is noticeable in June, changing from a moderately hot 76.5°F (24.7°C) in May to a hot 86°F (30°C). In the face of high daytime temperatures, Vacaville witnesses a consistent average nighttime low of 55.8°F (13.2°C) during June.Heat index
In June, the average heat index is appraised at a tropical 87.8°F (31°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.The metrics for the heat index are tailored for both shady environments and light winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In Vacaville, the average relative humidity in June is 51%.Rainfall
In June, in Vacaville, the rain falls for 1.3 days. Throughout June, 0.08" (2mm) of precipitation is accumulated. In Vacaville, during the entire year, the rain falls for 47.1 days and collects up to 4.17" (106mm) of precipitation.Daylight
June has the longest days of the year, with an average of 14h and 48min of daylight.On the first day of the month, sunrise is at 5:45 am and sunset at 8:26 pm. On the last day of June, in Vacaville, sunrise is at 5:47 am and sunset at 8:35 pm PDT.
Sunshine
The average sunshine in June in Vacaville, California, is 11.7h.UV index
The months with the highest UV index in Vacaville are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 6 during June morphs into the following directions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. 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
Is it hot in Vacaville during June?
What is the average humidity in June in Vacaville?
How many days does it rain in June in Vacaville?
When are the longest days in Vacaville?
How many hours of daylight does Vacaville have in June?
What time are sunrise and sunset in June in Vacaville?
How long on average sun shines in June in Vacaville?
What is the month with the highest UV index in Vacaville?
How high is the UV index in June in Vacaville?
Average temperature in June
Vacaville, CA
- Average high temperature in June: 86°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (54.7°F).
- Average low temperature in June: 55.8°F
The month with the highest average low temperature is September (58.1°F).
The coldest months (with the lowest average low temperature) are January and December (41.4°F).
Average pressure in June
Vacaville, CA
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in June
Vacaville, CA
- Average wind speed in June: 6.8mph
The windiest months (with the highest average wind speed) are May and June (6.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.7mph).
Average humidity in June
Vacaville, CA
- Average humidity in June: 51%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (48%).
Average rainfall in June
Vacaville, CA
- Average rainfall in June: 0.08"
The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are July, August and September (0.04").
Average rainfall days in June
Vacaville, CA
- Average rainfall days in June: 1.3 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is August (1 days).
Average daylight in June /
Average sunshine in June
Vacaville, CA
- Average daylight in June: 14h and 5min
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 30min).
- Average sunshine in June: 11h and 4min
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 42min).
Average sunshine days in June
Vacaville, CA
- Average sunshine days in June: 28.1 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in June
Vacaville, 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
Vacaville, CA
- Average cloud cover in June: 11
The months with the most cloud cover are March and December (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in June
Vacaville, 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).
Vacaville, California, USA
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