Temecula weather by month
What a typical year looks like in Temecula, California: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Fallbrook 5 NE, 8 km from Temecula; records cover 2008–2026.
The year at a glance
- Precipitation a year
- 15.3 in389 mm
- Snow a year
- Rare
- Last spring freeze
- Rare
- First fall freeze
- Rare
- Heating degree days
- 1,367
- Cooling degree days
- 1,411
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 37°3° (heating, 99%) and 103°39° (cooling, 1%).
Month by month
Temecula in January
Highs average 68°20° and lows 47°9°, with 3.2 in81 mm of precipitation in a typical January.
- Record high
- 90°32° (2012)
- Record low
- 32°0° (2013)
- Heating degree days
- 248
- Cooling degree days
- 13
Temecula in February
Highs average 67°19° and lows 46°8°, with 3.7 in95 mm of precipitation in a typical February.
- Record high
- 93°34° (2026)
- Record low
- 33°1° (2011)
- Heating degree days
- 249
- Cooling degree days
- 13
Temecula in March
Highs average 70°21° and lows 48°9°, with 2 in51 mm of precipitation in a typical March.
- Record high
- 99°37° (2026)
- Record low
- 35°2° (2023)
- Heating degree days
- 206
- Cooling degree days
- 20
Temecula in April
Highs average 72°22° and lows 51°10°, with 1 in25 mm of precipitation in a typical April.
- Record high
- 101°38° (2009)
- Record low
- 36°2° (2011)
- Heating degree days
- 145
- Cooling degree days
- 34
Temecula in May
Highs average 75°24° and lows 53°12°, with 0.36 in9.1 mm of precipitation in a typical May.
- Record high
- 105°41° (2014)
- Record low
- 44°7° (2011)
- Heating degree days
- 82
- Cooling degree days
- 52
Temecula in June
Highs average 81°27° and lows 56°13°, with 0.12 in3 mm of precipitation in a typical June.
- Record high
- 111°44° (2016)
- Record low
- 47°8° (2011)
- Heating degree days
- 14
- Cooling degree days
- 115
Temecula in July
Highs average 87°31° and lows 60°16°, with 0.08 in2 mm of precipitation in a typical July.
- Record high
- 114°46° (2018)
- Record low
- 51°11° (2010)
- Heating degree days
- 0
- Cooling degree days
- 267
Temecula in August
Highs average 89°32° and lows 62°17°, with 0.22 in5.6 mm of precipitation in a typical August.
- Record high
- 108°42° (2009)
- Record low
- 51°11° (2010)
- Heating degree days
- 0
- Cooling degree days
- 327
Temecula in September
Highs average 88°31° and lows 62°17°, with 0.11 in2.8 mm of precipitation in a typical September.
- Record high
- 116°47° (2020)
- Record low
- 48°9° (2010)
- Heating degree days
- 2
- Cooling degree days
- 294
Temecula in OctoberThis month
Highs average 83°28° and lows 58°14°, with 0.7 in18 mm of precipitation in a typical October.
- Record high
- 108°42° (2026)
- Record low
- 44°7° (2021)
- Heating degree days
- 25
- Cooling degree days
- 197
Temecula in November
Highs average 74°24° and lows 52°11°, with 1.2 in29 mm of precipitation in a typical November.
- Record high
- 99°37° (2010)
- Record low
- 36°2° (2010)
- Heating degree days
- 125
- Cooling degree days
- 68
Temecula in December
Highs average 67°19° and lows 46°8°, with 2.6 in67 mm of precipitation in a typical December.
- Record high
- 90°32° (2025)
- Record low
- 32°0° (2014)
- Heating degree days
- 271
- Cooling degree days
- 11