Folsom (CA) monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Folsom

Folsom average temperature chart (Celsius) Folsom average temperature chart (Fahrenheit)
Average monthly temperatures in Folsom (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 11.1 15 17 20.5 25.9 30.6 34.3 33.7 30.5 24.7 16.9 11.3
°F 51.9 59.1 62.6 68.8 78.6 87 93.8 92.7 86.9 76.4 62.4 52.3

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Folsom monthly rainfall chart (mm) Folsom monthly rainfall chart (inches)
Average monthly rainfall in Folsom (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 110 82 78 46 12 5 2 3 8 35 88 87
inches 4.3 3.2 3.1 1.8 0.5 0.2 0.1 0.1 0.3 1.4 3.5 3.4
Rainy days 9 8 8 5 2 1 0 1 2 4 8 8

Average annual rainfall in Folsom: 474.4mm (186.8 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Folsom

Folsom average daily sunshine chart
Average daily sunshine Folsom
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.4 7.8 9.7 11.8 13.9 14.9 15.3 14.1 12.5 10.4 7.1 5.3

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Folsom average minimum / maximum temperatures (Celsius) Folsom average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Folsom (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.7 4.1 5.1 6.6 10.1 13.2 15.4 15.3 13.1 9.2 5.7 2.5
Max °C 11.3 15.3 17.3 20.8 26.3 31 34.8 34.2 30.9 25.1 17.2 11.5
Min °F 35.1 39.4 41.2 43.9 50.2 55.8 59.7 59.5 55.6 48.5 42.2 36.5
Max °F 43.7 49.5 52.2 56.7 64.8 71.8 77.2 76.5 71.6 62.8 52.5 44.6

Sea temperature

The graph below shows the average sea temperature.

Folsom average sea temperature chart (Celsius) Folsom average sea temperature chart (Fahrenheit)
Average sea temperature around Folsom in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 12.1 11.9 11.9 11.7 12 12.7 13.9 14.7 15 14.5 13.6 12.6
°F 53.7 53.5 53.4 53.1 53.6 54.9 57 58.5 58.9 58.1 56.4 54.6

Wind speed

The graph below shows the average wind speed.

Folsom average winspeed by month (km/h) Folsom average winspeed by month (mph)
Average wind speed in Folsom (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 10 12 14 14 16 16 14 14 12 10 10 10
mph 7 7 9 9 10 10 9 9 8 7 6 7

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Folsom relative humidity averages
Average relative humidity in Folsom
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
82% 75% 69% 62% 55% 51% 48% 51% 54% 61% 74% 82%

Other monthly averages

UV index Best time to go?

Folsom weather stats

Folsom weather statistics
Hottest month: July 34.3°C 93.7°F
Driest month: July 2mm 0.1ins
Sunniest month: July 15.3hrs
Coldest month: January 11.1°C 52°F
Wettest month: January 110mm 4.3ins
Warmest sea: September 15°C 59°F
Map showing location of Folsom (38.67796, -121.17606) Folsom map pin © Google

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