Boulevard weather by month
What a typical year looks like in Boulevard, California: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Campo, 17 km from Boulevard; records cover 1950–2026.
The year at a glance
- Precipitation a year
- 15.6 in396 mm
- Snow a year
- 0.3 in0.8 cm
- Last spring freeze
- May 11
- First fall freeze
- Oct 17
- Heating degree days
- 2,870
- Cooling degree days
- 909
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 22°−6° (heating, 99%) and 104°40° (cooling, 1%).
Month by month
Boulevard in January
Highs average 64°18° and lows 35°2°, with 3.1 in78 mm of precipitation and 0.1 in0.3 cm of snow in a typical January.
- Record high
- 85°29° (1969)
- Record low
- 10°−12° (1979)
- Heating degree days
- 492
- Cooling degree days
- 0
Boulevard in February
Highs average 64°18° and lows 35°2°, with 3.5 in88 mm of precipitation in a typical February.
- Record high
- 89°32° (2014)
- Record low
- 12°−11° (1953)
- Heating degree days
- 434
- Cooling degree days
- 0
Boulevard in March
Highs average 68°20° and lows 36°2°, with 2.3 in58 mm of precipitation in a typical March.
- Record high
- 100°38° (2026)
- Record low
- 15°−9° (1977)
- Heating degree days
- 400
- Cooling degree days
- 0
Boulevard in April
Highs average 73°23° and lows 38°3°, with 1 in26 mm of precipitation and 0.1 in0.3 cm of snow in a typical April.
- Record high
- 99°37° (1989)
- Record low
- 20°−7° (1953)
- Heating degree days
- 292
- Cooling degree days
- 2
Boulevard in May
Highs average 79°26° and lows 42°6°, with 0.38 in9.7 mm of precipitation in a typical May.
- Record high
- 103°39° (2003)
- Record low
- 25°−4° (1975)
- Heating degree days
- 163
- Cooling degree days
- 26
Boulevard in June
Highs average 88°31° and lows 45°7°, with 0.09 in2.3 mm of precipitation in a typical June.
- Record high
- 110°43° (2016)
- Record low
- 29°−2° (1977)
- Heating degree days
- 52
- Cooling degree days
- 95
Boulevard in July
Highs average 94°34° and lows 53°12°, with 0.29 in7.4 mm of precipitation in a typical July.
- Record high
- 111°44° (1995)
- Record low
- 34°1° (1956)
- Heating degree days
- 6
- Cooling degree days
- 268
Boulevard in August
Highs average 95°35° and lows 54°12°, with 0.42 in11 mm of precipitation in a typical August.
- Record high
- 108°42° (2020)
- Record low
- 30°−1° (1978)
- Heating degree days
- 4
- Cooling degree days
- 303
Boulevard in September
Highs average 90°32° and lows 50°10°, with 0.4 in10 mm of precipitation in a typical September.
- Record high
- 110°43° (2020)
- Record low
- 29°−2° (1955)
- Heating degree days
- 27
- Cooling degree days
- 177
Boulevard in OctoberThis month
Highs average 80°27° and lows 43°6°, with 0.67 in17 mm of precipitation in a typical October.
- Record high
- 105°41° (2024)
- Record low
- 22°−6° (1971)
- Heating degree days
- 148
- Cooling degree days
- 36
Boulevard in November
Highs average 71°22° and lows 37°3°, with 1 in26 mm of precipitation in a typical November.
- Record high
- 94°34° (2012)
- Record low
- 16°−9° (1979)
- Heating degree days
- 334
- Cooling degree days
- 2
Boulevard in December
Highs average 63°17° and lows 33°1°, with 2.4 in62 mm of precipitation and 0.1 in0.3 cm of snow in a typical December.
- Record high
- 86°30° (1950)
- Record low
- 12°−11° (1974)
- Heating degree days
- 518
- Cooling degree days
- 0