Monterey weather by month
What a typical year looks like in Monterey, California: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at MONTEREY PENINSUL AP, 3 km from Monterey; records cover 1968–2026.
The year at a glance
- Precipitation a year
- 16.2 in412 mm
- Snow a year
- Rare
- Last spring freeze
- Jan 14
- First fall freeze
- Dec 18
- Heating degree days
- 2,875
- Cooling degree days
- 75
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 34°1° (heating, 99%) and 85°29° (cooling, 1%).
Month by month
Monterey in January
Highs average 62°16° and lows 43°6°, with 3.5 in89 mm of precipitation in a typical January.
- Record high
- 84°29° (2014)
- Record low
- 25°−4° (2007)
- Heating degree days
- 389
- Cooling degree days
- 0
Monterey in February
Highs average 62°17° and lows 45°7°, with 3 in77 mm of precipitation in a typical February.
- Record high
- 86°30° (2025)
- Record low
- 33°1° (1971)
- Heating degree days
- 318
- Cooling degree days
- 0
Monterey in March
Highs average 63°17° and lows 46°8°, with 2.8 in71 mm of precipitation in a typical March.
- Record high
- 89°32° (2026)
- Record low
- 34°1° (1971)
- Heating degree days
- 335
- Cooling degree days
- 1
Monterey in April
Highs average 63°17° and lows 47°9°, with 1 in26 mm of precipitation in a typical April.
- Record high
- 92°33° (2014)
- Record low
- 34°1° (2008)
- Heating degree days
- 292
- Cooling degree days
- 2
Monterey in May
Highs average 65°19° and lows 50°10°, with 0.51 in13 mm of precipitation in a typical May.
- Record high
- 87°31° (2013)
- Record low
- 40°4° (2000)
- Heating degree days
- 230
- Cooling degree days
- 3
Monterey in June
Highs average 68°20° and lows 52°11°, with 0.13 in3.3 mm of precipitation in a typical June.
- Record high
- 96°36° (2019)
- Record low
- 42°6° (1976)
- Heating degree days
- 154
- Cooling degree days
- 5
Monterey in July
Highs average 69°21° and lows 54°12°, with 0.02 in0.5 mm of precipitation in a typical July.
- Record high
- 88°31° (1971)
- Record low
- 46°8° (1970)
- Heating degree days
- 114
- Cooling degree days
- 7
Monterey in August
Highs average 70°21° and lows 55°13°, with 0.02 in0.5 mm of precipitation in a typical August.
- Record high
- 92°33° (2009)
- Record low
- 46°8° (2009)
- Heating degree days
- 93
- Cooling degree days
- 16
Monterey in September
Highs average 71°22° and lows 54°12°, with 0.07 in1.8 mm of precipitation in a typical September.
- Record high
- 103°39° (2017)
- Record low
- 42°6° (1970)
- Heating degree days
- 102
- Cooling degree days
- 22
Monterey in OctoberThis month
Highs average 70°21° and lows 51°10°, with 0.86 in22 mm of precipitation in a typical October.
- Record high
- 96°36° (2017)
- Record low
- 34°1° (1971)
- Heating degree days
- 163
- Cooling degree days
- 17
Monterey in November
Highs average 65°18° and lows 46°8°, with 1.5 in37 mm of precipitation in a typical November.
- Record high
- 88°31° (2008)
- Record low
- 33°1° (2003)
- Heating degree days
- 287
- Cooling degree days
- 2
Monterey in December
Highs average 62°16° and lows 43°6°, with 2.8 in72 mm of precipitation in a typical December.
- Record high
- 82°28° (2020)
- Record low
- 26°−3° (1972)
- Heating degree days
- 398
- Cooling degree days
- 0