August weather forecast
Helm, CA

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Weather in August

The last month of the summer, August, is also a fiery hot month in Helm, California, with an average temperature fluctuating between 66.6°F (19.2°C) and 99.9°F (37.7°C).

Temperature

The average high-temperature is a still fiery hot 99.9°F (37.7°C) in August, hardly different from the 100.9°F (38.3°C) recorded in July. The August nights in Helm bear witness to a significant drop from the daytime highs, settling at an average temperature of 66.6°F (19.2°C).

Humidity

The average relative humidity in August is 31%.

Rainfall

The months with the least rainfall are June through September Rain falls for 0.5 days and accumulates 0.04" (1mm) of rain.

Daylight

The average length of the day in August is 13h and 31min.
On the first day of August, sunrise is at 6:07 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:29 pm PDT.

Sunshine

In Helm, California, the average sunshine in August is 12h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 7 during August translates into these guidelines:
Deflect overexposure. Sun protection is a necessity. 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. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

The average high-temperature, in August, in Helm, is 99.9°F (37.7°C), while the average low-temperature is 66.6°F (19.2°C). In May, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 82.4°F (28°C).

What is the average humidity in August?

In August, the average relative humidity is 31%.

What is the driest month?

June through September are months with the least rain when the rain falls for 0.5 days and typically aggregates up to 0.04" (1mm) of rain.

How much does it rain in August?

In August, the rain falls for 0.5 days. Throughout August, 0.04" (1mm) of precipitation is accumulated.

How many hours of daylight does Helm have in August?

The average day length in August is 13h and 31min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:07 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:29 pm PDT.

How many hours of sunshine does Helm have in August?

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

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 7. 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Helm, CA

Average temperature in August - Helm, 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: 66.6°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is December (42.6°F).

Average pressure in August
Helm, CA

Average pressure in August - Helm, CA
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Helm, CA

Average wind speed in August - Helm, CA
  • Average wind speed in August: 6.4mph

The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is January (5.1mph).

Average humidity in August
Helm, CA

Average humidity in August - Helm, CA
  • Average humidity in August: 31%

The months with the highest relative humidity are January and December (66%).
The month with the lowest relative humidity is July (30%).

Average rainfall in August
Helm, CA

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

The wettest months (with the highest rainfall) are February and March (0.43").
The driest months (with the least rainfall) are June, July, August and September (0.04").

Average rainfall days in August
Helm, CA

Average rainfall days in August - Helm, CA
  • Average rainfall days in August: 0.5 days

The month with the highest number of rainy days is March (7 days).
The months with the least rainy days are August and September (0.5 days).

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

Average daylight in August / Average sunshine in August - Helm, 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 months with the least sunshine are February and December (Average sunshine: 6h and 24min).

Average sunshine days in August
Helm, CA

Average sunshine days in August - Helm, CA
  • Average sunshine days in August: 29.7 days

The month with the most sunshine days is August (29.7 days).
The month with the least sunshine days is February (22 days).

Average UV index in August
Helm, CA

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

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

Average cloud cover in August
Helm, CA

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

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

Average visibility in August
Helm, CA

Average visibility in August - Helm, 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).

Helm, California, USA

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