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Bangor weather by month

What a typical year looks like in Bangor, California: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at OROVILLE, 20 km from Bangor; records cover 1893–2026.

Today’s Bangor forecast

The year at a glance

January: typical high 57.7°F, low 39.7°F, precipitation 5.79 in. February: typical high 62.2°F, low 42.4°F, precipitation 5.62 in. March: typical high 67.5°F, low 45.6°F, precipitation 4.71 in. April: typical high 73.5°F, low 48.3°F, precipitation 2.23 in. May: typical high 82.3°F, low 54°F, precipitation 1.43 in. June: typical high 91.1°F, low 59.2°F, precipitation 0.59 in. July: typical high 96.8°F, low 63°F, precipitation 0.01 in. August: typical high 95.5°F, low 61.1°F, precipitation 0.13 in. September: typical high 89.6°F, low 57.1°F, precipitation 0.37 in. October: typical high 79.2°F, low 51.1°F, precipitation 1.33 in. November: typical high 65.7°F, low 44.6°F, precipitation 2.85 in. December: typical high 57.5°F, low 39.9°F, precipitation 5.5 in.0°−18°20°−7°40°4°60°16°80°27°100°38°120°49°58°14°40°4°Jan62°17°42°6°Feb68°20°46°8°Mar74°23°48°9°Apr82°28°54°12°May91°33°59°15°Jun97°36°63°17°Jul96°35°61°16°Aug90°32°57°14°Sep79°26°51°11°Oct66°19°45°7°Nov58°14°40°4°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
30.6 in776 mm
Snow a year
Rare
Last spring freeze
Feb 18
First fall freeze
Nov 28
Heating degree days
2,215
Cooling degree days
1,699

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 28°−2° (heating, 99%) and 105°41° (cooling, 1%).

Month by month

Bangor in January

Highs average 58°14° and lows 40°4°, with 5.8 in147 mm of precipitation in a typical January.

Record high
82°28° (2009)
Record low
15°−9° (1913)
Heating degree days
505
Cooling degree days
0

Bangor in February

Highs average 62°17° and lows 42°6°, with 5.6 in143 mm of precipitation in a typical February.

Record high
84°29° (2022)
Record low
21°−6° (1933)
Heating degree days
356
Cooling degree days
0

Bangor in March

Highs average 68°20° and lows 46°8°, with 4.7 in120 mm of precipitation in a typical March.

Record high
97°36° (2007)
Record low
25°−4° (1925)
Heating degree days
266
Cooling degree days
4

Bangor in April

Highs average 74°23° and lows 48°9°, with 2.2 in57 mm of precipitation in a typical April.

Record high
98°37° (1931)
Record low
29°−2° (1925)
Heating degree days
153
Cooling degree days
30

Bangor in May

Highs average 82°28° and lows 54°12°, with 1.4 in36 mm of precipitation in a typical May.

Record high
107°42° (1910)
Record low
30°−1° (1999)
Heating degree days
46
Cooling degree days
143

Bangor in June

Highs average 91°33° and lows 59°15°, with 0.59 in15 mm of precipitation in a typical June.

Record high
116°47° (1926)
Record low
35°2° (1995)
Heating degree days
8
Cooling degree days
312

Bangor in July

Highs average 97°36° and lows 63°17°, with 0.01 in0.3 mm of precipitation in a typical July.

Record high
115°46° (1905)
Record low
43°6° (1922)
Heating degree days
0
Cooling degree days
462

Bangor in August

Highs average 96°35° and lows 61°16°, with 0.13 in3.3 mm of precipitation in a typical August.

Record high
115°46° (1933)
Record low
35°2° (1922)
Heating degree days
0
Cooling degree days
412

Bangor in September

Highs average 90°32° and lows 57°14°, with 0.37 in9.4 mm of precipitation in a typical September.

Record high
115°46° (1950)
Record low
36°2° (1924)
Heating degree days
6
Cooling degree days
256

Bangor in OctoberThis month

Highs average 79°26° and lows 51°11°, with 1.3 in34 mm of precipitation in a typical October.

Record high
105°41° (1933)
Record low
29°−2° (1946)
Heating degree days
72
Cooling degree days
77

Bangor in November

Highs average 66°19° and lows 45°7°, with 2.9 in72 mm of precipitation in a typical November.

Record high
90°32° (1967)
Record low
22°−6° (1924)
Heating degree days
298
Cooling degree days
3

Bangor in December

Highs average 58°14° and lows 40°4°, with 5.5 in140 mm of precipitation in a typical December.

Record high
79°26° (1985)
Record low
12°−11° (1990)
Heating degree days
505
Cooling degree days
0