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 signals a slight increase in the average high-temperature, moving from a pleasant 73.2°F (22.9°C) in May to a warm 79.9°F (26.6°C). Altadena marks a considerable descent from the daytime apex, as the average temperature dips to a refreshing 57.7°F (14.3°C) at night throughout June.Humidity
March, May and June, with an average relative humidity of 56%, are the most humid months.Rainfall
The month with the least rainfall is June, when the rain falls for 1.3 days and typically collects 0.04" (1mm) of precipitation.Daylight
June has the longest days of the year, with an average of 14h and 24min of daylight.On the first day of the month, sunrise is at 5:41 am and sunset at 7:59 pm. On the last day of June, sunrise is at 5:44 am and sunset at 8:08 pm PDT.
Sunshine
The months with the most sunshine are June and July, with an average of 12.1h of sunshine.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: In June, the average maximum UV index of 6 translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Altadena in June?
What is the most humid month?
What is the average humidity in June?
What is the driest month?
How many days does it rain in June?
When are the longest days?
What is the average length of the day in June?
When is the sunrise / sunset in June in Altadena?
What is the month with the most sunshine?
How many hours of sunshine does Altadena have in June?
What are the months with the highest UV index in Altadena?
What is the UV index reading in June?
Average temperature in June
Altadena, CA
- Average high temperature in June: 79.9°F
The warmest month (with the highest average high temperature) is August (86.2°F).
The month with the lowest average high temperature is December (61°F).
- Average low temperature in June: 57.7°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).
Average pressure in June
Altadena, CA
- Average pressure in June: 29.88"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in June
Altadena, CA
- Average wind speed in June: 5.2mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity in June
Altadena, CA
- Average humidity in June: 56%
The months with the highest relative humidity are March, May and June (56%).
The month with the lowest relative humidity is November (46%).
Average rainfall in June
Altadena, CA
- Average rainfall in June: 0.04"
The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in June
Altadena, CA
- Average rainfall days in June: 1.3 days
The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is June (1.3 days).
Average daylight in June /
Average sunshine in June
Altadena, CA
- Average daylight in June: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in June: 12h and 1min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).
Average sunshine days in June
Altadena, CA
- Average sunshine days in June: 27.2 days
The month with the most sunshine days is June (27.2 days).
The month with the least sunshine days is February (21.3 days).
Average UV index in June
Altadena, CA
- Average UV index in June: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in June
Altadena, CA
- Average cloud cover in June: 7
The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in June
Altadena, 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).
Altadena, California, USA
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