Grass Valley
California, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Grass Valley, CA

The last month of the summer, August, is another hot month in Grass Valley, California, with average temperature ranging between min 55°F (12.8°C) and max 87.1°F (30.6°C).

Temperature

In Grass Valley, the average high-temperature in August is practically the same as in July - a still tropical 87.1°F (30.6°C). In Grass Valley, the average low-temperature is 55°F (12.8°C).

Rainfall

In Grass Valley, during August, the rain falls for 0.9 days and regularly aggregates up to 0.2" (5.3mm) of precipitation. In Grass Valley, during the entire year, the rain falls for 84.6 days and collects up to 53.2" (1352.4mm) of precipitation.

Snowfall

In Grass Valley snow does not fall in May through October.

Daylight

In August, the average length of the day is 13.6h.

What is the temperature in August in Grass Valley?

In Grass Valley, in August, the average high-temperature is 87.1°F (30.6°C), and the average low-temperature is 55°F (12.8°C).

How many days does it rain in August in Grass Valley?

In Grass Valley, California, in August, it is raining for 0.9 days, with typically 0.2" (5.3mm) of accumulated precipitation.

When it does not snow in Grass Valley?

In Grass Valley snow does not fall in May through October.

How many hours of daylight does Grass Valley have in August?

In Grass Valley, California, the average length of the day in August is 13.6h.
Average temperature in August - Grass Valley, CA
  • Average high temperature in August: 87.1°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is December (53.1°F).

  • Average low temperature in August: 55°F

The month with the highest average low temperature is July (56.2°F).
The coldest month (with the lowest average low temperature) is December (31.7°F).

Average rainfall in August - Grass Valley, CA
  • Average rainfall in August: 0.2"

The wettest month (with the highest rainfall) is January (9.7").
The driest month (with the lowest rainfall) is July (0.1").

Average rainfall days in August - Grass Valley, CA
  • Average rainfall days in August: 0.9 days

The month with the highest number of rainy days is January (13.1 days).
The month with the lowest number of rainy days is July (0.2 days).

Average snowfall in August - Grass Valley, CA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.5").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in August - Grass Valley, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is March (1.1 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August - Grass Valley, CA
  • Average daylight in August: 13.6h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).