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

October weather forecast and climate
Grass Valley, CA

October, like September, is an agreeable autumn month in Grass Valley, California, with average temperature varying between 43°F (6.1°C) and 72.1°F (22.3°C).

Temperature

In October, the average high-temperature decreases, from a warm 82.2°F (27.9°C) in September, to a pleasant 72.1°F (22.3°C). In October, the average low-temperature is 43°F (6.1°C).

Rainfall

In Grass Valley, during October, the rain falls for 5 days and regularly aggregates up to 2.7" (68.6mm) 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

The average length of the day in October is 11.1h.

What is the temperature in October in Grass Valley?

The average high-temperature, in October, is 72.1°F (22.3°C), while the average low-temperature is 43°F (6.1°C).

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

In Grass Valley, California, in October, it is raining for 5 days, with typically 2.7" (68.6mm) of accumulated precipitation.

Does it snow in Grass Valley in October?

In Grass Valley, California, in October, it doesn't snow. In November, it regularly snows.

When it does not snow in Grass Valley?

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

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

The average length of the day in October in Grass Valley, California, is 11.1h.
Average temperature in October - Grass Valley, CA
  • Average high temperature in October: 72.1°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 October: 42.9°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 October - Grass Valley, CA
  • Average rainfall in October: 2.7"

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 October - Grass Valley, CA
  • Average rainfall days in October: 5 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 October - Grass Valley, CA
  • Average snowfall in October: 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 October - Grass Valley, CA
  • Average snowfall days in October: 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 October - Grass Valley, CA
  • Average daylight in October: 11.1h

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