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
Yountville experiences a temperature shift with the start of June, with average high-temperatures moving from a warm 73.6°F (23.1°C) in May to a still moderately hot 82.8°F (28.2°C). Yountville's average low-temperature of 53.2°F (11.8°C) in June reflects a significant disparity from the daytime highs.Heat index
The heat index value during June is evaluated at 84.2°F (29°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Observations indicate that the heat index values are for shady locations with light wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
The average relative humidity in June is 57%.Rainfall
In Yountville, California, 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
The month with the longest days in Yountville is June, with an average of 14h and 48min of daylight.On the first day of June in Yountville, 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
June through August, with an average maximum UV index of 6, are months with the highest UV index in Yountville. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 6 in June translates into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
Is it hot in Yountville during June?
What is the average humidity in June in Yountville?
How much does it rain in Yountville in June?
When are the longest days in Yountville?
How many hours of daylight does Yountville have in June?
When are sunrise and sunset in June in Yountville?
How many hours of sunshine does Yountville have in June?
When is the highest UV index in Yountville?
What is the UV index intensity in June in Yountville?
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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