Aguanga weather by month
What a typical year looks like in Aguanga, California: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Palomar Mtn Observatory, 8 km from Aguanga; records cover 1938–2026.
The year at a glance
- Precipitation a year
- 30.4 in772 mm
- Snow a year
- 26 in67 cm
- Last spring freeze
- May 2
- First fall freeze
- Nov 12
- Heating degree days
- 3,834
- Cooling degree days
- 981
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 24°−4° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Aguanga in January
Highs average 51°11° and lows 37°3°, with 5.9 in151 mm of precipitation and 6 in16 cm of snow in a typical January.
- Record high
- 82°28° (1942)
- Record low
- 8°−13° (1949)
- Heating degree days
- 643
- Cooling degree days
- 0
Aguanga in February
Highs average 51°11° and lows 36°2°, with 7.3 in186 mm of precipitation and 11 in27 cm of snow in a typical February.
- Record high
- 77°25° (1971)
- Record low
- 12°−11° (1983)
- Heating degree days
- 600
- Cooling degree days
- 0
Aguanga in March
Highs average 56°13° and lows 39°4°, with 4.6 in117 mm of precipitation and 3 in8 cm of snow in a typical March.
- Record high
- 83°28° (2026)
- Record low
- 16°−9° (1966)
- Heating degree days
- 548
- Cooling degree days
- 1
Aguanga in April
Highs average 61°16° and lows 42°5°, with 2 in51 mm of precipitation and 4 in9 cm of snow in a typical April.
- Record high
- 83°28° (1961)
- Record low
- 19°−7° (1999)
- Heating degree days
- 407
- Cooling degree days
- 3
Aguanga in May
Highs average 69°21° and lows 48°9°, with 0.89 in23 mm of precipitation in a typical May.
- Record high
- 91°33° (1939)
- Record low
- 24°−4° (1964)
- Heating degree days
- 233
- Cooling degree days
- 43
Aguanga in June
Highs average 79°26° and lows 57°14°, with 0.17 in4.3 mm of precipitation in a typical June.
- Record high
- 104°40° (1939)
- Record low
- 28°−2° (1964)
- Heating degree days
- 63
- Cooling degree days
- 145
Aguanga in July
Highs average 84°29° and lows 64°18°, with 0.29 in7.4 mm of precipitation in a typical July.
- Record high
- 100°38° (1972)
- Record low
- 36°2° (1987)
- Heating degree days
- 3
- Cooling degree days
- 285
Aguanga in August
Highs average 84°29° and lows 65°18°, with 0.68 in17 mm of precipitation in a typical August.
- Record high
- 100°38° (1942)
- Record low
- 36°2° (1942)
- Heating degree days
- 2
- Cooling degree days
- 295
Aguanga in September
Highs average 79°26° and lows 60°15°, with 0.48 in12 mm of precipitation in a typical September.
- Record high
- 100°38° (1971)
- Record low
- 30°−1° (1982)
- Heating degree days
- 37
- Cooling degree days
- 169
Aguanga in OctoberThis month
Highs average 69°21° and lows 51°10°, with 1.2 in31 mm of precipitation in a typical October.
- Record high
- 97°36° (1971)
- Record low
- 18°−8° (1971)
- Heating degree days
- 194
- Cooling degree days
- 38
Aguanga in November
Highs average 58°15° and lows 43°6°, with 2.3 in57 mm of precipitation and 0.4 in1 cm of snow in a typical November.
- Record high
- 80°27° (1962)
- Record low
- 17°−8° (1958)
- Heating degree days
- 442
- Cooling degree days
- 2
Aguanga in December
Highs average 51°10° and lows 37°3°, with 4.6 in116 mm of precipitation and 2.4 in6.1 cm of snow in a typical December.
- Record high
- 80°27° (1958)
- Record low
- 8°−13° (1947)
- Heating degree days
- 662
- Cooling degree days
- 0