June weather forecast
Simi Valley, CA

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The Simi Valley city in California, with a view of the scenic Rocky Peak and hilly ranges
The Simi Valley city in California, with a view of the scenic Rocky Peak and hilly ranges

Weather in June

June, the first month of the summer in Simi Valley, is a moderately hot month, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 57.7°F (14.3°C).

Temperature

Simi Valley's June weather indicates a minor ascent in high-temperatures, adjusting from an agreeable 70.2°F (21.2°C) in May to a warm 75.6°F (24.2°C). In June, Simi Valley encounters an average low-temperature of 57.7°F (14.3°C) during the night.

Humidity

The most humid month in Simi Valley, California, is June, with an average relative humidity of 62%.

Rainfall

The month with the least rainfall is June, when the rain falls for 1.5 days and typically collects 0.08" (2mm) 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 5:43 am and sunset at 8:02 pm. On the last day of June, sunrise is at 5:46 am and sunset at 8:11 pm PDT.

Sunshine

The months with the most sunshine in Simi Valley are June and July, with an average of 12.1h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 6 during June leads to these advisories:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What are the temperatures in Simi Valley in June?

The average high-temperature and low-temperature during June are 75.6°F (24.2°C) and 57.7°F (14.3°C) respectively.

What is the most humid month in Simi Valley?

June is the most humid month, with an average relative humidity of 62%.

What is the average humidity in June in Simi Valley?

In June, the average relative humidity is 62%.

What is the driest month in Simi Valley?

The month with the least rainfall in Simi Valley, California, is June, when the rain falls for 1.5 days and typically collects 0.08" (2mm) of precipitation.

How much does it rain in Simi Valley in June?

In June, in Simi Valley, California, the rain falls for 1.5 days. Throughout June, 0.08" (2mm) of precipitation is accumulated.

When are the longest days in Simi Valley?

June has the longest days of the year in Simi Valley, with an average of 14h and 24min of daylight.

How many hours of daylight does Simi Valley have in June?

The average day length in June in Simi Valley, California, is 14h and 25min.

When are sunrise and sunset in June in Simi Valley?

In June, on the first day of the month, sunrise is at 5:43 am and sunset at 8:02 pm. On the last day of the month, in Simi Valley, California, sunrise is at 5:46 am and sunset at 8:11 pm PDT.

What are the months with the most sunshine in Simi Valley?

The months with the most sunshine in Simi Valley, California, are June and July, with an average of 12.1h of sunshine.

How long on average sun shines in June in Simi Valley?

The average sunshine duration in June in Simi Valley, California, is 12.1h.

What are the months with the highest UV index in Simi Valley?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index reading in June in Simi Valley?

In Simi Valley, California, the average daily maximum UV index in June is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Simi Valley, CA

Average temperature in June - Simi Valley, CA
  • Average high temperature in June: 75.6°F

The warmest month (with the highest average high temperature) is August (82.2°F).
The month with the lowest average high temperature is December (60.1°F).

  • Average low temperature in June: 57.7°F

The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (46.4°F).

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Average pressure in June
Simi Valley, CA

Average pressure in June - Simi Valley, CA
  • Average pressure in June: 29.9"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).

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Average wind speed in June
Simi Valley, CA

Average wind speed in June - Simi Valley, CA
  • Average wind speed in June: 4.8mph

The windiest month (with the highest average wind speed) is December (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in June
Simi Valley, CA

Average humidity in June - Simi Valley, CA
  • Average humidity in June: 62%

The month with the highest relative humidity is June (62%).
The month with the lowest relative humidity is November (50%).

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Average rainfall in June
Simi Valley, CA

Average rainfall in June - Simi Valley, CA
  • Average rainfall in June: 0.08"

The wettest month (with the highest rainfall) is February (1.93").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in June
Simi Valley, CA

Average rainfall days in June - Simi Valley, CA
  • Average rainfall days in June: 1.5 days

The month with the highest number of rainy days is March (8 days).
The months with the least rainy days are June and August (1.5 days).

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Average daylight in June /
Average sunshine in June
Simi Valley, CA

Average daylight in June / Average sunshine in June - Simi Valley, 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 January, February and December (Average sunshine: 6h and 48min).

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Average sunshine days in June
Simi Valley, CA

Average sunshine days in June - Simi Valley, CA
  • Average sunshine days in June: 23.8 days

The month with the most sunshine days is August (25.4 days).
The month with the least sunshine days is February (20.9 days).

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Average UV index in June
Simi Valley, CA

Average UV index in June - Simi Valley, CA
  • Average UV index in June: 6

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in June
Simi Valley, CA

Average cloud cover in June - Simi Valley, CA
  • Average cloud cover in June: 7

The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in June
Simi Valley, CA

Average visibility in June - Simi Valley, 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).

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Simi Valley, California, USA

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