Historical Weather in Pomona, CA
See 55+ years of weather history for any date in Pomona going back to 1970.
Part of California weather history · California temperature records
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Today in Pomona 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 Pomona, CA, based on 55+ years of weather data.
Warmest MonthAugustAvg High: 90°F / Low: 61°F
Coldest MonthDecemberAvg High: 66°F / Low: 42°F
Jan
66°/ 42°
💧 16.8"
Feb
67°/ 43°
💧 18.3"
Mar
69°/ 45°
💧 16.5"
Apr
73°/ 47°
💧 8.4"
May
76°/ 52°
💧 6.3"
Jun
83°/ 56°
💧 3.1"
Jul
90°/ 61°
💧 0.9"
Aug
90°/ 61°
💧 8.1"
Sep
87°/ 59°
💧 7.8"
Oct
79°/ 54°
💧 9.3"
Nov
72°/ 47°
💧 11.2"
Dec
66°/ 42°
💧 15.3"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Pomona, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Avg high Avg low
Pomona, CA Monthly Precipitation
Average rainfall per month, in inches.
Rain (in)
Pomona, 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.
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Best Time to Visit Pomona, CA
Pomona, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal
Pomona Temperature Records
- Record High: The hottest temperature ever recorded in Pomona, CA is 121°F, set on September 6, 2020.
- Record Low: The coldest temperature ever recorded in Pomona, CA is 19°F, set on March 12, 1986.
- Data Coverage: Based on 29 years of data from NOAA weather station: CLAREMONT CALIFORNIA.
All-Time Record High
121°F
September 6, 2020
All-Time Record Low
19°F
March 12, 1986
Monthly Temperature Records in Pomona
| Month | Record High | Record Low |
|---|---|---|
| January | 95°F(2003) | 20°F(2007) |
| February | 97°F(2016) | 23°F(1990) |
| March | 98°F(2015) | 19°F(1986) |
| April | 106°F(2004) | 28°F(1999) |
| May | 106°F(2004) | 32°F(1988) |
| June | 115°F(2016) | 36°F(1988) |
| July | 120°F(2018) | 46°F(2000) |
| August | 115°F(2017) | 45°F(2010) |
| September | 121°F(2020) | 42°F(1986) |
| October | 111°F(2020) | 33°F(2009) |
| November | 102°F(2010) | 27°F(2000) |
| December | 92°F(2021) | 20°F(1987) |
Pomona Snow RecordsSee the top 10 snowiest days ever recorded
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Holiday Weather in Pomona
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