June weather forecastAlta Sierra, CA
June
Weather in June
The first month of the summer, June, is a warm month in Alta Sierra, California, with an average temperature varying between 82°F (27.8°C) and 55.9°F (13.3°C).Temperature
With the onset of June, Alta Sierra sees a temperature rise, with the average high-temperature moving from May's agreeable 71.2°F (21.8°C) to a moderately hot 82°F (27.8°C). June nights present a stark temperature decrease to a refreshing 55.9°F (13.3°C).Heat index
June's mean heat index is evaluated at 82.4°F (28°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In Alta Sierra, the average relative humidity in June is 46%.Rainfall
In Alta Sierra, in June, it is raining for 2.4 days, with typically 0.24" (6mm) of accumulated precipitation. Throughout the year, there are 82 rainfall days, and 33.11" (841mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
With an average of 14h and 54min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:39 am and sunset at 8:24 pm. On the last day of June, sunrise is at 5:41 am and sunset at 8:34 pm PDT.
Sunshine
In June, the average sunshine is 11.8h.UV index
The average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 6 in June interprets into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Alta Sierra, CA
- Average high temperature in June: 82°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (51.3°F).
- Average low temperature in June: 55.9°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in June
Alta Sierra, CA
- Average pressure in June: 29.9"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in June
Alta Sierra, CA
- Average wind speed in June: 5.3mph
The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in June
Alta Sierra, CA
- Average humidity in June: 46%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (37%).
Average rainfall in June
Alta Sierra, CA
- Average rainfall in June: 0.24"
The wettest month (with the highest rainfall) is March (6.57").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in June
Alta Sierra, CA
- Average rainfall days in June: 2.4 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is July (1.1 days).
Average snowfall in June
Alta Sierra, CA
- Average snowfall in June: 0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in June
Alta Sierra, CA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is March (2.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Alta Sierra, CA
- Average daylight in June: 14h and 54min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in June: 11h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in June
Alta Sierra, CA
- Average sunshine days in June: 27.3 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).
Average UV index in June
Alta Sierra, CA
- Average UV index in June: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in June
Alta Sierra, CA
- Average cloud cover in June: 10
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in June
Alta Sierra, 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).





