Oceanside (CA) monthly weather averages

Contents

Average daytime temperature

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

Oceanside average temperature chart (Celsius) Oceanside average temperature chart (Fahrenheit)
Average monthly temperatures in Oceanside (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 18.4 18.9 18.8 20.4 21.6 23.4 26.1 26.8 26.1 24.1 20.8 18.3
°F 65.1 66 65.8 68.7 70.9 74.1 78.9 80.3 79 75.5 69.5 65

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.

Oceanside monthly rainfall chart (mm) Oceanside monthly rainfall chart (inches)
Average monthly rainfall in Oceanside (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 63 54 54 24 6 1 1 1 6 6 36 43
inches 2.5 2.1 2.1 0.9 0.2 0 0 0 0.2 0.2 1.4 1.7
Rainy days 6 5 6 4 2 1 0 1 1 2 4 5

Average annual rainfall in Oceanside: 210.233mm (82.8 inches)

Average daily sunshine

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

Oceanside average daily sunshine chart
Average daily sunshine Oceanside
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.2 8.7 9.1 10.2 9.2 9.5 11.3 10.9 9.5 8.7 8.2 8

Day / night temperatures

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

Oceanside average minimum / maximum temperatures (Celsius) Oceanside average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Oceanside (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 7.2 8.1 9 10.6 13 15 17.1 18 16.7 13.8 9.9 7
Max °C 18.7 19.2 19 20.7 21.8 23.6 26.3 27.1 26.4 24.4 21.1 18.6
Min °F 44.9 46.5 48.2 51 55.4 59 62.8 64.3 62 56.8 49.8 44.6
Max °F 55.2 56.5 57.2 60.1 63.3 66.7 71.1 72.5 70.7 66.4 59.9 55

Sea temperature

The graph below shows the average sea temperature.

Oceanside average sea temperature chart (Celsius) Oceanside average sea temperature chart (Fahrenheit)
Average sea temperature around Oceanside in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.9 14.9 15.1 15.6 16.6 18 19.8 20.5 20.4 19.3 17.5 15.7
°F 58.8 58.8 59.3 60 61.8 64.4 67.6 69 68.8 66.7 63.5 60.2

Wind speed

The graph below shows the average wind speed.

Oceanside average winspeed by month (km/h) Oceanside average winspeed by month (mph)
Average wind speed in Oceanside (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 11 12 14 14 14 14 14 14 13 12 11 10
mph 7 8 9 9 9 9 9 9 8 7 7 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.

Oceanside relative humidity averages
Average relative humidity in Oceanside
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
64% 66% 66% 65% 67% 69% 70% 70% 70% 67% 66% 65%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Oceanside weather stats

Oceanside weather statistics
Hottest month: August 26.8°C 80.2°F
Driest month: July 1mm 0ins
Sunniest month: August 10.9hrs
Coldest month: December 18.3°C 64.9°F
Wettest month: January 63mm 2.5ins
Warmest sea: August 20.5°C 68.9°F
Map showing location of Oceanside (33.19587, -117.37948) Oceanside map pin © Google

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