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West Covina, CA Weather on August 25

August 25th in West Covina, CA typically brings hot summer weather, with average highs around 93°F and lows near 62°F — a 31°F daily swing. Over 55 years of records, the warmest August 25th was in 1985 (86°F average), while the coldest was 1978 (69°F) — a 17°F range across recorded history. This date has historically been dry, with little recorded precipitation. Temperatures on this date have remained relatively stable over the past several decades.

By Weather On This Day|
Avg High
93°F
Avg Low
62°F
Record High
106°F
2010
Record Low
53°F
2002
West Covina, CA on August 25 — Temperature History40°F60°F80°F100°F120°F19801990200020102020HighLow

What to Expect on August 25

Planning for August 25th in West Covina, CA? Stay hydrated and seek shade during peak afternoon hours.

August 25 Weather Records for West Covina

  • The all-time record high for August 25th in West Covina, CA is 106°F, set in 2010.
  • The coldest August 25th on record dropped to 53°F in 2002.
  • Temperatures have reached 90°F or higher on August 25th in 36 of the last 55 years.

Frequently Asked Questions

What was the warmest August 25 ever in West Covina?

The warmest August 25 in West Covina, CA reached 106°F in 2010. That is 13°F above the long-term average high of 93°F.

What was the coldest August 25 ever in West Covina?

The coldest August 25 in West Covina, CA dropped to 53°F in 2002. That is 9°F below the long-term average low of 62°F.

What is the average temperature on August 25 in West Covina?

On August 25, West Covina averages a high of 93°F and a low of 62°F based on 55 years of NOAA weather observations from SANTA FE DAM CALIFORNIA.

How many years of weather data are available for August 25 in West Covina?

We have 55 years of weather records for August 25 in West Covina, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

August 25 Weather History in West Covina

YearHighLowPrecipSnow
202596°F68°F----
202489°F61°F----
202388°F60°F----
202296°F67°F----
202196°F61°F----
202097°F67°F----
201997°F64°F----
201888°F62°F----
201785°F64°F----
201688°F59°F----
201595°F70°F----
201490°F59°F----
201396°F58°F----
201290°F61°F----
2011101°F60°F----
2010106°F65°F----
2009102°F61°F----
200898°F64°F----
200789°F60°F----
200694°F57°F----
2005105°F61°F----
200490°F57°F----
200396°F64°F----
200294°F53°F----
200192°F59°F----
200087°F62°F----
1999102°F64°F----
199894°F64°F----
199796°F62°F----
199699°F62°F----
199599°F57°F----
199496°F58°F----
199395°F60°F----
199288°F63°F0"--
199188°F63°F0"--
199083°F60°F0"--
198983°F60°F0"--
198895°F69°F0"--
198783°F61°F0"--
198696°F60°F0"--
1985106°F66°F0"--
198490°F66°F0"--
198396°F59°F0"--
198288°F65°F0"--
1981104°F66°F0"--
198088°F61°F0"--
197990°F64°F0"--
197884°F54°F0"--
197785°F60°F0"--
197690°F59°F0"--
197590°F55°F0"--
197492°F61°F0"--
197385°F61°F0"--
197283°F63°F0"--
197189°F66°F0"--

Based on 55 years of data from NOAA station: SANTA FE DAM CALIFORNIA

Monthly Climate Averages

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

Warmest MonthAugustAvg High: 95°F / Low: 62°F
Coldest MonthDecemberAvg High: 69°F / Low: 48°F
Jan
71°/ 49°
💧 0.3"
Feb
71°/ 48°
💧 0.3"
Mar
75°/ 50°
💧 0.4"
Apr
78°/ 52°
💧 0.2"
May
81°/ 55°
💧 0.1"
Jun
87°/ 59°
💧 0.0"
Jul
93°/ 62°
💧 0.0"
Aug
95°/ 62°
💧 0.0"
Sep
92°/ 61°
💧 0.0"
Oct
85°/ 57°
💧 0.3"
Nov
77°/ 52°
💧 0.2"
Dec
69°/ 48°
💧 0.4"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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