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
Altadena's transition into June is marked by a minor temperature shift, moving from a pleasant 73.2°F (22.9°C) in May to a moderately hot 79.9°F (26.6°C). Altadena, amidst the high June temperatures, experiences a substantial shift to an average nighttime low of 57.7°F (14.3°C).Humidity
The months with the highest humidity are March, May and June, with an average relative humidity of 56%.Rainfall
June is the month with the least rainfall. Rain falls for 1.3 days and accumulates 0.04" (1mm) of precipitation.Daylight
The month with the longest days in Altadena is June, with an average of 14h and 24min of daylight.On the first day of June, sunrise is at 5:41 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:08 pm PDT.
Sunshine
The months with the most sunshine in Altadena, California, are June and July, with an average of 12.1h of sunshine.UV index
The months with the highest UV index in Altadena are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 6 during June translates into these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost importance. 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. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What are June temperatures in Altadena?
What are the most humid months in Altadena?
What is the average humidity in June in Altadena?
What is the driest month in Altadena?
How much does it rain in Altadena in June?
When are the longest days in Altadena?
How many hours of daylight does Altadena have in June?
What time are sunrise and sunset in June in Altadena?
What are the months with the most sunshine in Altadena?
How long on average sun shines in June in Altadena?
What is the month with the highest UV index in Altadena?
What is the UV index reading in June in Altadena?
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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