August weather forecast
Selma, CA

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Weather in August

August, the last month of the summer in Selma, is also a sweltering month, with an average temperature varying between 99.9°F (37.7°C) and 64.9°F (18.3°C).

Temperature

Selma experiences an average high-temperature of a still very hot 99.9°F (37.7°C) in August, marking an insignificant shift from 100.9°F (38.3°C) in July. Selma documents a marked decrease from day to night, with an average low of 64.9°F (18.3°C) throughout August.

Humidity

In Selma, the average relative humidity in August is 30%.

Rainfall

The month with the least rainfall in Selma is August, when the rain falls for 0.9 days and typically collects 0.04" (1mm) of precipitation.

Daylight

In Selma, the average length of the day in August is 13h and 31min.
On the first day of August, sunrise is at 6:05 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:27 pm PDT.

Sunshine

The average sunshine in August is 12h.

UV index

In August, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 7 in August translates into these instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

How hot is it in Selma in August?

In August, in Selma, the average high-temperature is 99.9°F (37.7°C), and the average low-temperature is 64.9°F (18.3°C). In May, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 82.4°F (28°C).

What is the average humidity in August in Selma?

In August, the average relative humidity in Selma, California, is 30%.

What is the driest month in Selma?

The month with the least rainfall in Selma, California, is August, when the rain falls for 0.9 days and typically collects 0.04" (1mm) of precipitation.

How much does it rain in Selma in August?

In Selma, during August, the rain falls for 0.9 days and regularly aggregates up to 0.04" (1mm) of precipitation.

What is the average length of the day in August in Selma?

In August, the average day length in Selma is 13h and 31min.

What time are sunrise and sunset in August in Selma?

On the first day of August, sunrise is at 6:05 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:27 pm PDT.

How long on average sun shines in August in Selma?

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

How high is the UV index in August in Selma?

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

Average temperature in August
Selma, CA

Average temperature in August - Selma, CA
  • Average high temperature in August: 99.9°F

The warmest month (with the highest average high temperature) is July (100.9°F).
The month with the lowest average high temperature is December (56.5°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).

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Average pressure in August
Selma, CA

Average pressure in August - Selma, CA
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in August
Selma, CA

Average wind speed in August - Selma, CA
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest months (with the lowest average wind speed) are January, November and December (4.2mph).

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Average humidity in August
Selma, CA

Average humidity in August - Selma, CA
  • Average humidity in August: 30%

The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is July (29%).

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Average rainfall in August
Selma, CA

Average rainfall in August - Selma, CA
  • Average rainfall in August: 0.04"

The wettest month (with the highest rainfall) is March (2.32").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in August
Selma, CA

Average rainfall days in August - Selma, CA
  • Average rainfall days in August: 0.9 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.9 days).

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

Average daylight in August / Average sunshine in August - Selma, CA
  • Average daylight in August: 13h and 3min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in August: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

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Average sunshine days in August
Selma, CA

Average sunshine days in August - Selma, CA
  • Average sunshine days in August: 29.3 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (19.4 days).

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Average UV index in August
Selma, CA

Average UV index in August - Selma, CA
  • Average UV index in August: 7

The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in August
Selma, CA

Average cloud cover in August - Selma, CA
  • Average cloud cover in August: 4

The month with the most cloud cover is March (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in August
Selma, CA

Average visibility in August - Selma, 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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Selma, California, USA

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