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
The arrival of June sees a shift in the average high-temperature, moving from 73.6°F (23.1°C) in May to a still moderately hot 82.8°F (28.2°C). Yountville undergoes a major shift from daytime highs, averaging a cool 53.2°F (11.8°C) during the night in June.Heat index
The heat index value for June is appraised at 84.2°F (29°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.Note that heat index values are valued for light wind and location in the shade. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In June, the average relative humidity is 57%.Rainfall
In Yountville, in June, during 2.4 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. In Yountville, during the entire year, the rain falls for 77.8 days and collects up to 16.02" (407mm) 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 June, sunrise is at 5:46 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:37 pm PDT.
Sunshine
In Yountville, the average sunshine in June is 11.6h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 6 in June transforms into the following instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during June?
What is the average humidity in June?
How much does it rain in Yountville in June?
When are the longest days?
What is the average length of the day in June?
What time are sunrise and sunset in June?
How many hours of sunshine does Yountville have in June?
What is the month with the highest UV index?
What is the UV index intensity in June?
Average temperature in June
Yountville, CA
- Average high temperature in June: 82.8°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in June: 53.2°F
The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in June
Yountville, 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
Yountville, CA
- Average wind speed in June: 5.8mph
The windiest month (with the highest average wind speed) is May (6mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).
Average humidity in June
Yountville, CA
- Average humidity in June: 57%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (54%).
Average rainfall in June
Yountville, CA
- Average rainfall in June: 0.16"
The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in June
Yountville, CA
- Average rainfall days in June: 2.4 days
The month with the highest number of rainy days is March (13.9 days).
The month with the least rainy days is August (0.9 days).
Average daylight in June /
Average sunshine in June
Yountville, 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 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in June
Yountville, CA
- Average sunshine days in June: 26.9 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.8 days).
Average UV index in June
Yountville, 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
Yountville, CA
- Average cloud cover in June: 13
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in June
Yountville, 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).
Yountville, California, USA
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