When is the best time to go to Oceanside?

When is the best time to go to Oceanside? Here's some information to help you in your decision:

  • The weather is good all year round in Oceanside
  • On average, the warmest months are July, August, September and October
  • June is the driest month
  • The coldest months are January, February and December
  • The rainiest months are January, February and December
  • The best months for swimming are May, June, July, August, September, October and November

Annual weather in Oceanside

For full information about the climate and weather in Oceanside a specific month, click on the corresponding line below:

January 56°F/67°F
February 56°F/67°F
March 58°F/67°F
April 61°F/68°F
May 63°F/70°F
June 68°F/76°F
July 72°F/79°F
August 74°F/81°F
September 74°F/81°F
October 68°F/77°F
November 61°F/72°F
December 56°F/65°F

Weather and climate in Oceanside

Oceanside enjoys a hot-summer Mediterranean climate in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Oceanside is 72°F (ranging from 65°F in december to 81°F in september). Annual rainfall is 18.3in, with a minimum of 0.3in in june and a maximum of 3.4in in december.
  • From january to april the climate is beautiful. By early evening, the temperature averages 59°F and it rains in april about 0.9in.
  • From may to november the climate is very good. The record temperature this month is 90°F and you can expect to have 1.5in of rainfall/month during this period.
  • In december the climate is favorable. By early evening, the temperature averages 58°F and it rains about 3.4in each month.

Charts: temperature and rainfall in Oceanside

In the charts below, you can see the following seasonal norms for the city of Oceanside: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Sea temperature


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