August weather forecastCalpella, CA
August
Weather in August
August, the last month of the summer in Calpella, is also a moderately hot month, with an average temperature ranging between max 84.7°F (29.3°C) and min 53.4°F (11.9°C).Temperature
Transitioning into August, Calpella experiences an average high-temperature of a still moderately hot 84.7°F (29.3°C), marking a minor shift from the preceding month. Calpella experiences a substantial divergence from daytime highs in August, with average lows hovering around a cool 53.4°F (11.9°C).Heat index
The heat index value for August is calculated to be a hot 87.8°F (31°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In August, the average relative humidity in Calpella, California, is 59%.Rainfall
The months with the least rainfall are July and August Rain falls for 1.3 days and accumulates 0.08" (2mm) of rain.Snowfall
In Calpella, snow does not fall in January, March through December.Daylight
The average length of the day in August is 13h and 39min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:24 pm. On the last day of August, in Calpella, sunrise is at 6:41 am and sunset at 7:44 pm PDT.
Sunshine
In Calpella, the average sunshine in August is 11.9h.UV index
In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In August, the maximum UV index of 5 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Calpella, CA
- Average high temperature in August: 84.7°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (53.6°F).
- Average low temperature in August: 53.4°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).
Average pressure in August
Calpella, CA
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in August
Calpella, CA
- Average wind speed in August: 4.3mph
The windiest months (with the highest average wind speed) are April, May and June (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity in August
Calpella, CA
- Average humidity in August: 59%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July and September (58%).
Average rainfall in August
Calpella, CA
- Average rainfall in August: 0.08"
The wettest months (with the highest rainfall) are February and December (3.11").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in August
Calpella, CA
- Average rainfall days in August: 1.3 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in August
Calpella, 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
Calpella, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in August /
Average sunshine in August
Calpella, CA
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 11h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in August
Calpella, CA
- Average sunshine days in August: 28.1 days
The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (15.9 days).
Average UV index in August
Calpella, CA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February and November (UV index 2).
Average cloud cover in August
Calpella, CA
- Average cloud cover in August: 6
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in August
Calpella, CA
- Average visibility in August: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).
