Bellevue weather by month
What a typical year looks like in Bellevue, Idaho: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Picabo, 24 km from Bellevue; records cover 1958–2026.
The year at a glance
- Precipitation a year
- 13 in329 mm
- Snow a year
- 46 in116 cm
- Last spring freeze
- Jun 14
- First fall freeze
- Sep 9
- Heating degree days
- 8,378
- Cooling degree days
- 185
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −10°−23° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
Bellevue in January
Highs average 32°0° and lows 7°−14°, with 1.8 in45 mm of precipitation and 14 in35 cm of snow in a typical January.
- Record high
- 53°12° (1981)
- Record low
- −33°−36° (1962)
- Heating degree days
- 1412
- Cooling degree days
- 0
Bellevue in February
Highs average 36°2° and lows 10°−12°, with 1.2 in29 mm of precipitation and 9 in22 cm of snow in a typical February.
- Record high
- 63°17° (1992)
- Record low
- −30°−34° (1989)
- Heating degree days
- 1169
- Cooling degree days
- 0
Bellevue in March
Highs average 47°8° and lows 19°−7°, with 1.5 in39 mm of precipitation and 2.8 in7.1 cm of snow in a typical March.
- Record high
- 75°24° (2026)
- Record low
- −15°−26° (1964)
- Heating degree days
- 995
- Cooling degree days
- 0
Bellevue in April
Highs average 57°14° and lows 25°−4°, with 1.1 in28 mm of precipitation and 0.8 in2 cm of snow in a typical April.
- Record high
- 84°29° (1992)
- Record low
- 8°−13° (2008)
- Heating degree days
- 714
- Cooling degree days
- 0
Bellevue in May
Highs average 67°19° and lows 34°1°, with 1.5 in37 mm of precipitation in a typical May.
- Record high
- 92°33° (2003)
- Record low
- 14°−10° (1972)
- Heating degree days
- 447
- Cooling degree days
- 1
Bellevue in June
Highs average 76°24° and lows 39°4°, with 0.86 in22 mm of precipitation in a typical June.
- Record high
- 100°38° (2015)
- Record low
- 24°−4° (1990)
- Heating degree days
- 235
- Cooling degree days
- 12
Bellevue in July
Highs average 87°30° and lows 46°8°, with 0.31 in7.9 mm of precipitation in a typical July.
- Record high
- 102°39° (1998)
- Record low
- 29°−2° (1981)
- Heating degree days
- 48
- Cooling degree days
- 94
Bellevue in August
Highs average 86°30° and lows 45°7°, with 0.23 in5.8 mm of precipitation in a typical August.
- Record high
- 100°38° (1961)
- Record low
- 24°−4° (1960)
- Heating degree days
- 62
- Cooling degree days
- 70
Bellevue in September
Highs average 76°24° and lows 37°3°, with 0.58 in15 mm of precipitation in a typical September.
- Record high
- 99°37° (1998)
- Record low
- 16°−9° (1965)
- Heating degree days
- 263
- Cooling degree days
- 8
Bellevue in OctoberThis month
Highs average 61°16° and lows 27°−3°, with 1.2 in29 mm of precipitation and 0.3 in0.8 cm of snow in a typical October.
- Record high
- 87°31° (2010)
- Record low
- −3°−19° (2019)
- Heating degree days
- 652
- Cooling degree days
- 0
Bellevue in November
Highs average 45°7° and lows 18°−8°, with 1.1 in27 mm of precipitation and 4 in10 cm of snow in a typical November.
- Record high
- 70°21° (1965)
- Record low
- −18°−28° (2015)
- Heating degree days
- 1011
- Cooling degree days
- 0
Bellevue in December
Highs average 32°0° and lows 9°−13°, with 1.8 in46 mm of precipitation and 15 in39 cm of snow in a typical December.
- Record high
- 57°14° (1999)
- Record low
- −37°−38° (1990)
- Heating degree days
- 1370
- Cooling degree days
- 0