Delano weather by month
What a typical year looks like in Delano, California: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at WASCO, 21 km from Delano; records cover 1901–2026.
The year at a glance
- Precipitation a year
- 7.1 in181 mm
- Snow a year
- 0.2 in0.5 cm
- Last spring freeze
- Feb 17
- First fall freeze
- Nov 29
- Heating degree days
- 1,996
- Cooling degree days
- 2,378
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 26°−3° (heating, 99%) and 108°42° (cooling, 1%).
Month by month
Delano in January
Highs average 59°15° and lows 39°4°, with 1.3 in33 mm of precipitation and 0.2 in0.5 cm of snow in a typical January.
- Record high
- 81°27° (1984)
- Record low
- 12°−11° (1921)
- Heating degree days
- 501
- Cooling degree days
- 0
Delano in February
Highs average 65°18° and lows 42°6°, with 1.2 in29 mm of precipitation in a typical February.
- Record high
- 86°30° (2002)
- Record low
- 18°−8° (1918)
- Heating degree days
- 321
- Cooling degree days
- 0
Delano in March
Highs average 71°22° and lows 46°8°, with 1.4 in35 mm of precipitation in a typical March.
- Record high
- 100°38° (1917)
- Record low
- 20°−7° (1920)
- Heating degree days
- 205
- Cooling degree days
- 11
Delano in April
Highs average 77°25° and lows 50°10°, with 0.63 in16 mm of precipitation in a typical April.
- Record high
- 102°39° (1917)
- Record low
- 21°−6° (1917)
- Heating degree days
- 104
- Cooling degree days
- 65
Delano in May
Highs average 86°30° and lows 57°14°, with 0.27 in6.9 mm of precipitation in a typical May.
- Record high
- 109°43° (1910)
- Record low
- 33°1° (1911)
- Heating degree days
- 21
- Cooling degree days
- 227
Delano in June
Highs average 94°34° and lows 63°17°, with 0.13 in3.3 mm of precipitation in a typical June.
- Record high
- 113°45° (1918)
- Record low
- 32°0° (1908)
- Heating degree days
- 2
- Cooling degree days
- 410
Delano in July
Highs average 100°38° and lows 69°20°, with 0.01 in0.3 mm of precipitation in a typical July.
- Record high
- 116°47° (1910)
- Record low
- 46°8° (1918)
- Heating degree days
- 0
- Cooling degree days
- 601
Delano in August
Highs average 99°37° and lows 66°19°, with 0.02 in0.5 mm of precipitation in a typical August.
- Record high
- 115°46° (1917)
- Record low
- 40°4° (1922)
- Heating degree days
- 0
- Cooling degree days
- 546
Delano in September
Highs average 94°34° and lows 62°17°, with 0.03 in0.8 mm of precipitation in a typical September.
- Record high
- 113°45° (1913)
- Record low
- 33°1° (1907)
- Heating degree days
- 1
- Cooling degree days
- 381
Delano in OctoberThis month
Highs average 82°28° and lows 53°12°, with 0.51 in13 mm of precipitation in a typical October.
- Record high
- 110°43° (1911)
- Record low
- 25°−4° (1917)
- Heating degree days
- 46
- Cooling degree days
- 131
Delano in November
Highs average 69°20° and lows 44°7°, with 0.58 in15 mm of precipitation in a typical November.
- Record high
- 92°33° (1949)
- Record low
- 17°−8° (1919)
- Heating degree days
- 273
- Cooling degree days
- 6
Delano in December
Highs average 59°15° and lows 38°3°, with 1.1 in28 mm of precipitation in a typical December.
- Record high
- 85°29° (1923)
- Record low
- 13°−11° (1919)
- Heating degree days
- 522
- Cooling degree days
- 0