San Diego Country Estates weather by month
What a typical year looks like in San Diego Country Estates, California: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Julian Cdf, 20 km from San Diego Country Estates; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 24.5 in622 mm
- Snow a year
- 6 in16 cm
- Last spring freeze
- Apr 3
- First fall freeze
- Nov 25
- Heating degree days
- 3,529
- Cooling degree days
- 917
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 25°−4° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
San Diego Country Estates in January
Highs average 53°12° and lows 39°4°, with 4.7 in118 mm of precipitation and 1.1 in2.8 cm of snow in a typical January.
- Record high
- 76°24° (1893)
- Record low
- 2°−17° (1913)
- Heating degree days
- 594
- Cooling degree days
- 0
San Diego Country Estates in February
Highs average 54°12° and lows 39°4°, with 5.3 in136 mm of precipitation and 1.9 in4.8 cm of snow in a typical February.
- Record high
- 79°26° (2026)
- Record low
- 15°−9° (1990)
- Heating degree days
- 520
- Cooling degree days
- 0
San Diego Country Estates in March
Highs average 58°14° and lows 41°5°, with 3.9 in99 mm of precipitation and 3 in8 cm of snow in a typical March.
- Record high
- 89°32° (2026)
- Record low
- 17°−8° (1991)
- Heating degree days
- 490
- Cooling degree days
- 1
San Diego Country Estates in April
Highs average 62°17° and lows 43°6°, with 1.9 in49 mm of precipitation and 0.2 in0.5 cm of snow in a typical April.
- Record high
- 90°32° (1895)
- Record low
- 24°−4° (1991)
- Heating degree days
- 376
- Cooling degree days
- 2
San Diego Country Estates in May
Highs average 69°20° and lows 47°8°, with 0.82 in21 mm of precipitation in a typical May.
- Record high
- 96°36° (1895)
- Record low
- 30°−1° (1896)
- Heating degree days
- 248
- Cooling degree days
- 25
San Diego Country Estates in June
Highs average 79°26° and lows 55°13°, with 0.1 in2.5 mm of precipitation in a typical June.
- Record high
- 106°41° (1896)
- Record low
- 33°1° (1999)
- Heating degree days
- 61
- Cooling degree days
- 126
San Diego Country Estates in July
Highs average 86°30° and lows 63°17°, with 0.24 in6.1 mm of precipitation in a typical July.
- Record high
- 103°39° (2024)
- Record low
- 42°6° (1991)
- Heating degree days
- 3
- Cooling degree days
- 282
San Diego Country Estates in August
Highs average 86°30° and lows 62°17°, with 0.29 in7.4 mm of precipitation in a typical August.
- Record high
- 101°38° (2020)
- Record low
- 36°2° (1895)
- Heating degree days
- 3
- Cooling degree days
- 286
San Diego Country Estates in September
Highs average 81°27° and lows 57°14°, with 0.35 in8.9 mm of precipitation in a typical September.
- Record high
- 102°39° (2020)
- Record low
- 32°0° (1993)
- Heating degree days
- 36
- Cooling degree days
- 160
San Diego Country Estates in OctoberThis month
Highs average 71°22° and lows 50°10°, with 1.1 in28 mm of precipitation in a typical October.
- Record high
- 96°36° (2024)
- Record low
- 27°−3° (1996)
- Heating degree days
- 182
- Cooling degree days
- 33
San Diego Country Estates in November
Highs average 60°16° and lows 43°6°, with 2.3 in57 mm of precipitation in a typical November.
- Record high
- 82°28° (1894)
- Record low
- 19°−7° (1893)
- Heating degree days
- 401
- Cooling degree days
- 2
San Diego Country Estates in December
Highs average 52°11° and lows 38°3°, with 3.5 in88 mm of precipitation and 0.2 in0.5 cm of snow in a typical December.
- Record high
- 75°24° (2025)
- Record low
- 15°−9° (1990)
- Heating degree days
- 615
- Cooling degree days
- 0