August weather forecastHalcyon, CA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Halcyon, California, with an average temperature ranging between max 78.8°F (26°C) and min 59.2°F (15.1°C).Temperature
With the start of August, Halcyon measures an average high-temperature of a still moderately hot 78.8°F (26°C), not significantly differing from July's 78.6°F (25.9°C). In Halcyon, an average nighttime temperature of 59.2°F (15.1°C) is expected during August.Humidity
The average relative humidity in August is 64%.Rainfall
June and August are months with the least rain when the rain falls for 0.8 days and typically aggregates up to 0.04" (1mm) of rain.Daylight
In August, the average length of the day is 13h and 26min.On the first day of August, sunrise is at 6:12 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:29 pm PDT.
Sunshine
The months with the most sunshine are June through August, with an average of 12h of sunshine.UV index
June and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 6 during August translates into the following directions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Halcyon, CA
- Average high temperature in August: 78.8°F
The warmest month (with the highest average high temperature) is September (79.5°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in August: 59.2°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).
Average pressure in August
Halcyon, CA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in August
Halcyon, CA
- Average wind speed in August: 5.7mph
The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in August
Halcyon, CA
- Average humidity in August: 64%
The month with the highest relative humidity is March (68%).
The month with the lowest relative humidity is October (58%).
Average rainfall in August
Halcyon, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is March (1.61").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in August
Halcyon, CA
- Average rainfall days in August: 0.8 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (0.8 days).
Average daylight in August /
Average sunshine in August
Halcyon, CA
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in August: 12h and 0min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in August
Halcyon, CA
- Average sunshine days in August: 29.6 days
The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (21 days).
Average UV index in August
Halcyon, CA
- Average UV index in August: 6
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in August
Halcyon, CA
- Average cloud cover in August: 6
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in August
Halcyon, 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).
