Rocklin (CA) monthly weather averages

Contents

Average daytime temperature

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

Rocklin average temperature chart (Celsius) Rocklin average temperature chart (Fahrenheit)
Average monthly temperatures in Rocklin (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.

Rocklin monthly rainfall chart (mm) Rocklin monthly rainfall chart (inches)
Average monthly rainfall in Rocklin (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 Rocklin: 474.4mm (186.8 inches)

Average daily sunshine

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

Rocklin average daily sunshine chart
Average daily sunshine Rocklin
  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.

Rocklin average minimum / maximum temperatures (Celsius) Rocklin average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Rocklin (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.

Rocklin average sea temperature chart (Celsius) Rocklin average sea temperature chart (Fahrenheit)
Average sea temperature around Rocklin 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.

Rocklin average winspeed by month (km/h) Rocklin average winspeed by month (mph)
Average wind speed in Rocklin (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.

Rocklin relative humidity averages
Average relative humidity in Rocklin
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

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Beta

Current (hourly) weather 15 day forecast

Rocklin weather stats

Rocklin 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 Rocklin (38.79073, -121.23578) Rocklin map pin © Google

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