What is the highest temperature ever recorded in Oceanside, CA?

The record high temperature in Oceanside, CA is 108°F, recorded on June 30, 1985.

What is the lowest temperature ever recorded in Oceanside, CA?

The record low temperature in Oceanside, CA is 23°F, recorded on December 18, 2007.

Historical Weather in Oceanside, CA

Name: Oceanside, CA Temperature Records
Creator: NOAA

See 55+ years of weather history for any date in Oceanside going back to 1970.

Part of California weather history · California temperature records

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Today in Oceanside Weather HistorySee records, averages, and 55+ years of data for today's date

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Monthly Climate Averages

Historical temperature and precipitation averages for Oceanside, CA, based on 55+ years of weather data.

Warmest MonthAugustAvg High: 77°F / Low: 63°F

Coldest MonthFebruaryAvg High: 65°F / Low: 44°F

Jan

66°/ 43°

💧 9.1"

Feb

65°/ 44°

💧 9.0"

Mar

66°/ 47°

💧 7.1"

Apr

67°/ 50°

💧 5.5"

May

69°/ 55°

💧 3.0"

Jun

71°/ 59°

💧 2.0"

Jul

75°/ 62°

💧 2.4"

Aug

77°/ 63°

💧 4.8"

Sep

76°/ 60°

💧 3.5"

Oct

74°/ 54°

💧 7.4"

Nov

70°/ 47°

💧 5.9"

Dec

66°/ 42°

💧 7.5"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

Oceanside, CA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

Avg high Avg low

Oceanside, CA Monthly Precipitation

Average rainfall per month, in inches.

Rain (in)

Oceanside, CA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

Cooler

Hotter

20°40°60°80°100°

Best Time to Visit Oceanside, CA

Most pleasant months in Oceanside, CA: June, July.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Oceanside Temperature Records

Record High: The hottest temperature ever recorded in Oceanside, CA is 108°F, set on June 30, 1985.
Record Low: The coldest temperature ever recorded in Oceanside, CA is 23°F, set on December 18, 2007.
Data Coverage: Based on 28 years of data from NOAA weather station: OCEANSIDE MUNI AP.

All-Time Record High

108°F

June 30, 1985

All-Time Record Low

23°F

December 18, 2007

Monthly Temperature Records in Oceanside

Month	Record High	Record Low
January	94°F(2021)	25°F(1987)
February	91°F(2002)	28°F(1974)
March	96°F(1988)	25°F(2007)
April	101°F(1989)	31°F(2008)
May	101°F(2014)	32°F(2003)
June	108°F(1985)	43°F(1975)
July	107°F(1985)	44°F(2004)
August	106°F(1998)	41°F(2004)
September	107°F(1978)	39°F(2007)
October	107°F(2017)	34°F(2009)
November	100°F(1976)	28°F(2010)
December	90°F(1979)	23°F(2007)