Downieville (CA) monthly weather averages

Average daytime temperature

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

Downieville average temperature chart (Celsius) Downieville average temperature chart (Fahrenheit)
Average monthly temperatures in Downieville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.6 7.9 8.7 12.1 17.5 22.4 26.6 26.2 22.9 17.6 9.7 6.4
°F 43.8 46.2 47.6 53.8 63.5 72.3 79.9 79.2 73.2 63.7 49.5 43.6

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.

Downieville monthly rainfall chart (mm) Downieville monthly rainfall chart (inches)
Average monthly rainfall in Downieville (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 246 195 184 101 51 21 6 11 27 88 201 227
inches 9.7 7.7 7.3 4 2 0.8 0.2 0.4 1.1 3.5 7.9 8.9
Rainy days 9 8 9 6 5 4 3 3 4 4 8 9

Average annual rainfall in Downieville: 1276.533mm (502.6 inches)

Average daily sunshine

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

Downieville average daily sunshine chart
Average daily sunshine Downieville
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.4 7.7 9.5 11.3 12.5 13.4 14.1 13 11.8 9.8 7 6

Day / night temperatures

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

Downieville average minimum / maximum temperatures (Celsius) Downieville average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Downieville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -3.4 -2.4 -2.4 -0.9 3 6.9 9.4 9 6.3 2.7 -0.8 -3.1
Max °C 6.8 8.2 9 12.5 17.9 22.8 27.1 26.7 23.3 18 10 6.7
Min °F 25.9 27.8 27.8 30.5 37.3 44.3 48.8 48.1 43.3 36.8 30.7 26.5
Max °F 35.1 37.2 37.9 42.4 50.7 58.6 64.8 64 58.6 50.5 40.3 35.2

Sea temperature

The graph below shows the average sea temperature.

Downieville average sea temperature chart (Celsius) Downieville average sea temperature chart (Fahrenheit)
Average sea temperature around Downieville in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 11.6 11.5 11.4 11.5 12 13.1 14.6 15.4 15.4 14.6 13.4 12.1
°F 52.9 52.6 52.6 52.6 53.6 55.6 58.2 59.7 59.6 58.3 56.1 53.9

Wind speed

The graph below shows the average wind speed.

Downieville average winspeed by month (km/h) Downieville average winspeed by month (mph)
Average wind speed in Downieville (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 10 12 14 15 15 15 14 13 12 10 10 10
mph 6 7 9 9 9 9 9 8 7 6 7 6

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.

Downieville relative humidity averages
Average relative humidity in Downieville
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 66% 59% 53% 50% 47% 44% 47% 51% 57% 68% 74%