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
June brings a slight increase in the average high-temperature, progressing from an agreeable 69.4°F (20.8°C) in May to a moderately hot 76.5°F (24.7°C). Sunnyvale experiences a significant contrast between daily highs and an average nighttime temperature of 53.4°F (11.9°C) during June.Humidity
In Sunnyvale, the average relative humidity in June is 64%.Rainfall
June is the last month it rains in Sunnyvale. During 1.3 rainfall days, in June, Sunnyvale aggregates 0.04" (1mm) of precipitation. In Sunnyvale, during the entire year, the rain falls for 50 days and collects up to 3.9" (99mm) of precipitation.Daylight
The month with the longest days is June, with an average of 14h and 42min of daylight.On the first day of the month, sunrise is at 5:48 am and sunset at 8:23 pm. On the last day of June, sunrise is at 5:51 am and sunset at 8:32 pm PDT.
Sunshine
The average sunshine in June in Sunnyvale is 11.8h.UV index
June is the month with the highest UV index, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 6 in June interprets into the following advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are the temperatures in Sunnyvale in June?
What is the average humidity in June in Sunnyvale?
What is the last month it rains in Sunnyvale?
When are the longest days in Sunnyvale?
What is the average length of the day in June in Sunnyvale?
When is the sunrise / sunset in June in Sunnyvale?
How long on average sun shines in June in Sunnyvale?
What is the month with the highest UV index in Sunnyvale?
What is the UV index intensity in June in Sunnyvale?
Average temperature in June
Sunnyvale, CA
- Average high temperature in June: 76.5°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is December (56.8°F).
- Average low temperature in June: 53.4°F
The month with the highest average low temperature is August (56.8°F).
The coldest months (with the lowest average low temperature) are February and December (44.2°F).
Average pressure in June
Sunnyvale, CA
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June and September (29.92"Hg).
Average wind speed in June
Sunnyvale, CA
- Average wind speed in June: 5.7mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.6mph).
Average humidity in June
Sunnyvale, CA
- Average humidity in June: 64%
The month with the highest relative humidity is March (73%).
The months with the lowest relative humidity are September and October (63%).
Average rainfall in June
Sunnyvale, CA
- Average rainfall in June: 0.04"
The wettest months (with the highest rainfall) are February and March (0.75").
The driest month (with the least rainfall) is July (0").
Average rainfall days in June
Sunnyvale, CA
- Average rainfall days in June: 1.3 days
The month with the highest number of rainy days is March (9.6 days).
The month with the least rainy days is August (0.4 days).
Average daylight in June /
Average sunshine in June
Sunnyvale, CA
- Average daylight in June: 14h and 4min
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 5min
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 54min).
Average sunshine days in June
Sunnyvale, CA
- Average sunshine days in June: 28.1 days
The month with the most sunshine days is August (30.1 days).
The month with the least sunshine days is March (19.9 days).
Average UV index in June
Sunnyvale, CA
- Average UV index in June: 6
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in June
Sunnyvale, CA
- Average cloud cover in June: 12
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in June
Sunnyvale, 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).
Sunnyvale, California, USA
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