August weather forecastPenryn, CA
August
Weather in August
August, the last month of the summer in Penryn, is another tropical month, with an average temperature fluctuating between 60.3°F (15.7°C) and 91°F (32.8°C).Temperature
The average high-temperature during August is a still hot 91°F (32.8°C), almost matching the conditions of the preceding month. A marked difference from the daytime temperatures, Penryn's nighttime temperature falls to an average low of 60.3°F (15.7°C) in August.Humidity
The average relative humidity in August is 39%.Rainfall
The months with the least rainfall in Penryn are July and August Rain falls for 1.1 days and accumulates 0.04" (1mm) of rain.Snowfall
In Penryn, snow does not fall in January, April through November.Daylight
In Penryn, the average length of the day in August is 13h and 38min.On the first day of August, sunrise is at 6:06 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:35 pm PDT.
Sunshine
In Penryn, the average sunshine in August is 12h.UV index
In Penryn, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In August, a regular UV index of 6 translates into these guidelines:
Deter overexposure. Protecting against the sun's effects 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. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Penryn, CA
- Average high temperature in August: 91°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.4°F).
- Average low temperature in August: 60.3°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is December (39.2°F).
Average pressure in August
Penryn, CA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Penryn, CA
- Average wind speed in August: 4.3mph
The windiest months (with the highest average wind speed) are February and March (5.7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in August
Penryn, CA
- Average humidity in August: 39%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (38%).
Average rainfall in August
Penryn, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is March (5.63").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in August
Penryn, CA
- Average rainfall days in August: 1.1 days
The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is July (1 days).
Average snowfall in August
Penryn, CA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Penryn, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in August /
Average sunshine in August
Penryn, CA
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in August
Penryn, CA
- Average sunshine days in August: 29.3 days
The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in August
Penryn, CA
- Average UV index in August: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Penryn, CA
- Average cloud cover in August: 5
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in August
Penryn, 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).
