August weather forecastTwentynine Palms, CA
August
Weather in August
August, the last month of the summer in Twentynine Palms, is another very hot month, with an average temperature varying between 78.4°F (25.8°C) and 97.2°F (36.2°C).Temperature
Twentynine Palms experiences an average high-temperature of a still very hot 97.2°F (36.2°C) in August, marking an insignificant shift from 98.1°F (36.7°C) in July. Twentynine Palms's temperature in August lowers to a consistent average of 78.4°F (25.8°C) during the nights.Humidity
The average relative humidity in August is 22%.Rainfall
In Twentynine Palms, California, during August, the rain falls for 4.1 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Twentynine Palms, during the entire year, the rain falls for 42.3 days and collects up to 4.45" (113mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
In August, the average length of the day in Twentynine Palms is 13h and 23min.On the first day of August, sunrise is at 5:56 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:10 pm PDT.
Sunshine
In Twentynine Palms, the average sunshine in August is 12.1h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 8. A UV Index reading of 8 to 10 represents a very high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 8 during August leads to these instructions:
Be sure to take precautions. Without protection, skin might suffer damage quickly. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Twentynine Palms, CA
- Average high temperature in August: 97.2°F
The warmest month (with the highest average high temperature) is July (98.1°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in August: 78.4°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is December (42.4°F).
Average pressure in August
Twentynine Palms, CA
- Average pressure in August: 29.82"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).
Average wind speed in August
Twentynine Palms, CA
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest months (with the lowest average wind speed) are August and September (6.2mph).
Average humidity in August
Twentynine Palms, CA
- Average humidity in August: 22%
The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (20%).
Average rainfall in August
Twentynine Palms, CA
- Average rainfall in August: 0.63"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in August
Twentynine Palms, CA
- Average rainfall days in August: 4.1 days
The month with the highest number of rainy days is July (6.9 days).
The month with the least rainy days is June (1.1 days).
Average snowfall in August
Twentynine Palms, CA
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Twentynine Palms, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in August /
Average sunshine in August
Twentynine Palms, CA
- Average daylight in August: 13h and 24min
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 6min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in August
Twentynine Palms, CA
- Average sunshine days in August: 23 days
The month with the most sunshine days is May (28.7 days).
The month with the least sunshine days is July (20.4 days).
Average UV index in August
Twentynine Palms, CA
- Average UV index in August: 8
The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in August
Twentynine Palms, CA
- Average cloud cover in August: 6
The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 4).
Average visibility in August
Twentynine Palms, 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).





