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Fullerton, CA Weather on April 11

April 11th in Fullerton, CA typically brings pleasant spring weather, with average highs around 74°F and lows near 52°F. Over 55 years of records, the warmest April 11th was in 2004 (73°F average), while the coldest was 1975 (54°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 9% of April 11th dates historically, with the wettest April 11th recording 0.61" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
74°F
Avg Low
52°F
Record High
92°F
2008
Record Low
40°F
1979
Fullerton, CA on April 11 — Temperature History40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on April 11

Planning for April 11th in Fullerton, CA? Great weather for outdoor activities.

April 11 Weather Records for Fullerton

  • The all-time record high for April 11th in Fullerton, CA is 92°F, set in 2008.
  • The coldest April 11th on record dropped to 40°F in 1979.
  • Temperatures have reached 90°F or higher on April 11th in 1 of the last 55 years.

Frequently Asked Questions

What was the warmest April 11 ever in Fullerton?

The warmest April 11 in Fullerton, CA reached 92°F in 2008. That is 18°F above the long-term average high of 74°F.

What was the coldest April 11 ever in Fullerton?

The coldest April 11 in Fullerton, CA dropped to 40°F in 1979. That is 12°F below the long-term average low of 52°F.

What is the average temperature on April 11 in Fullerton?

On April 11, Fullerton averages a high of 74°F and a low of 52°F based on 55 years of NOAA weather observations from ANAHEIM.

How many years of weather data are available for April 11 in Fullerton?

We have 55 years of weather records for April 11 in Fullerton, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

April 11 Weather History in Fullerton

YearHighLowPrecipSnow
202582°F57°F0"--
202480°F54°F0"--
202371°F55°F0"--
202272°F60°F0.05"--
202178°F59°F0"--
202068°F49°F0"--
201974°F51°F0"--
201888°F57°F0"--
201780°F51°F0"--
201677°F55°F0"--
201574°F51°F0"--
201481°F57°F0"--
201379°F52°F0"--
201265°F52°F0.56"--
201176°F49°F0"--
201066°F55°F0"--
200968°F52°F0"--
200892°F53°F0"--
200773°F54°F0"--
200673°F55°F0"--
200579°F51°F0"--
200489°F58°F0"--
200372°F55°F0"--
200272°F55°F0"--
200163°F48°F0"--
200080°F51°F0"--
199969°F46°F0.1"--
199870°F51°F0.61"--
199769°F49°F0"--
199669°F55°F0"--
199580°F50°F0"--
199482°F50°F0"--
199373°F51°F0"--
199275°F58°F0"--
199169°F52°F0"--
199087°F55°F0"--
198972°F59°F0"--
198886°F57°F0"--
198770°F54°F0"--
198671°F54°F0"--
198573°F53°F0"--
198473°F51°F0"--
198362°F49°F0"--
198272°F50°F0.58"--
198176°F47°F0"--
198085°F50°F0"--
197973°F40°F0"--
197872°F49°F0"--
197769°F45°F0"--
197669°F44°F0"--
197563°F46°F0"--
197477°F40°F0"--
197373°F42°F0"--
197270°F44°F0"--
197176°F--0"--

Based on 55 years of data from NOAA station: ANAHEIM

Monthly Climate Averages

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

Warmest MonthAugustAvg High: 88°F / Low: 65°F
Coldest MonthDecemberAvg High: 69°F / Low: 46°F
Jan
70°/ 47°
💧 12.4"
Feb
70°/ 48°
💧 12.5"
Mar
72°/ 50°
💧 9.2"
Apr
74°/ 52°
💧 6.0"
May
76°/ 57°
💧 6.4"
Jun
81°/ 60°
💧 2.6"
Jul
86°/ 64°
💧 4.3"
Aug
88°/ 65°
💧 9.3"
Sep
86°/ 63°
💧 4.7"
Oct
81°/ 58°
💧 6.0"
Nov
75°/ 51°
💧 8.1"
Dec
69°/ 46°
💧 9.2"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.