August weather forecast
Calimesa, CA

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Weather in August

The last month of the summer, August, is another tropical month in Calimesa, California, with an average temperature ranging between max 89.2°F (31.8°C) and min 64.2°F (17.9°C).

Temperature

In Calimesa, the average temperatures in August are the highest, with a peak at 89.2°F (31.8°C) and a low of 64.2°F (17.9°C).

Humidity

August is the least humid month in Calimesa, California, with an average relative humidity of 36%.

Rainfall

In Calimesa, in August, it is raining for 2.6 days, with typically 0.16" (4mm) of accumulated precipitation. In Calimesa, during the entire year, the rain falls for 49.3 days and collects up to 6.69" (170mm) of precipitation.

Snowfall

In Calimesa, snow does not fall in January, May through October.

Daylight

The average length of the day in August is 13h and 23min.
On the first day of August in Calimesa, sunrise is at 6:00 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:14 pm PDT.

Sunshine

In Calimesa, the average sunshine in August is 12h.

UV index

The average daily maximum UV index in August in Calimesa is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What is the warmest month in Calimesa?

The warmest temperatures in Calimesa, California, occur during August, when averages reach a peak of 89.2°F (31.8°C) and a low of 64.2°F (17.9°C).

How hot is it in Calimesa in August?

In August, in Calimesa, the average high-temperature is 89.2°F (31.8°C), and the average low-temperature is 64.2°F (17.9°C). In June, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 84.2°F (29°C).

What is the least humid month in Calimesa?

With an average relative humidity of 36%, August is the least humid month in Calimesa.

What is the average humidity in August in Calimesa?

In Calimesa, the average relative humidity in August is 36%.

How many days does it rain in August in Calimesa?

In Calimesa, in August, it is raining for 2.6 days, with typically 0.16" (4mm) of accumulated precipitation.

When it does not snow in Calimesa?

January, May through October are months without snowfall in Calimesa.

How many hours of daylight does Calimesa have in August?

In August, the average day length in Calimesa is 13h and 23min.

When are sunrise and sunset in August in Calimesa?

On the first day of August in Calimesa, sunrise is at 6:00 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:14 pm PDT.

How long on average sun shines in August in Calimesa?

In August, the average sunshine duration in Calimesa is 12h.

How high is the UV index in August in Calimesa?

In Calimesa, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Calimesa, CA

Average temperature in August - Calimesa, CA
  • Average high temperature in August: 89.2°F

The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in August: 64.2°F

The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

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Average pressure in August
Calimesa, CA

Average pressure in August - Calimesa, CA
  • Average pressure in August: 29.86"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in August
Calimesa, CA

Average wind speed in August - Calimesa, CA
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is September (5.2mph).

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Average humidity in August
Calimesa, CA

Average humidity in August - Calimesa, CA
  • Average humidity in August: 36%

The month with the highest relative humidity is February (54%).
The month with the lowest relative humidity is August (36%).

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Average rainfall in August
Calimesa, CA

Average rainfall in August - Calimesa, CA
  • Average rainfall in August: 0.16"

The wettest month (with the highest rainfall) is February (1.38").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in August
Calimesa, CA

Average rainfall days in August - Calimesa, CA
  • Average rainfall days in August: 2.6 days

The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.4 days).

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Average snowfall in August
Calimesa, CA

Average snowfall in August - Calimesa, CA
  • Average snowfall in August: 0"

The month with the highest snowfall is November (0.87").
The months with the least snowfall are January, May, June, July, August, September and October (0").

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Average snowfall days in August
Calimesa, CA

Average snowfall days in August - Calimesa, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are January, May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Calimesa, CA

Average daylight in August / Average sunshine in August - Calimesa, CA
  • Average daylight in August: 13h 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 August: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in August
Calimesa, CA

Average sunshine days in August - Calimesa, CA
  • Average sunshine days in August: 26.4 days

The month with the most sunshine days is June (27.6 days).
The month with the least sunshine days is February (21.6 days).

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Average UV index in August
Calimesa, CA

Average UV index in August - Calimesa, CA
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in August
Calimesa, CA

Average cloud cover in August - Calimesa, CA
  • Average cloud cover in August: 6

The months with the most cloud cover are February, March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in August
Calimesa, CA

Average visibility in August - Calimesa, CA
  • Average visibility in August: 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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Calimesa, California, USA

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