Weiser weather by month
What a typical year looks like in Weiser, Idaho: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Payette, 20 km from Weiser; records cover 1892–2026.
The year at a glance
- Precipitation a year
- 11.3 in286 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 24
- First fall freeze
- Oct 12
- Heating degree days
- 5,203
- Cooling degree days
- 926
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 5°−15° (heating, 99%) and 101°38° (cooling, 1%).
Month by month
Weiser in January
Highs average 39°4° and lows 24°−4°, with 1.4 in36 mm of precipitation in a typical January.
- Record high
- 66°19° (1923)
- Record low
- −26°−32° (1910)
- Heating degree days
- 1037
- Cooling degree days
- 0
Weiser in February
Highs average 48°9° and lows 28°−2°, with 1.1 in27 mm of precipitation in a typical February.
- Record high
- 74°23° (1896)
- Record low
- −23°−31° (1989)
- Heating degree days
- 764
- Cooling degree days
- 0
Weiser in March
Highs average 58°15° and lows 34°1°, with 0.97 in25 mm of precipitation in a typical March.
- Record high
- 83°28° (1966)
- Record low
- −5°−21° (1906)
- Heating degree days
- 588
- Cooling degree days
- 0
Weiser in April
Highs average 65°18° and lows 39°4°, with 0.82 in21 mm of precipitation in a typical April.
- Record high
- 95°35° (1895)
- Record low
- 16°−9° (1895)
- Heating degree days
- 388
- Cooling degree days
- 2
Weiser in May
Highs average 74°23° and lows 48°9°, with 1.3 in33 mm of precipitation in a typical May.
- Record high
- 100°38° (1966)
- Record low
- 21°−6° (1916)
- Heating degree days
- 170
- Cooling degree days
- 40
Weiser in June
Highs average 81°27° and lows 54°12°, with 0.82 in21 mm of precipitation in a typical June.
- Record high
- 107°42° (1940)
- Record low
- 27°−3° (1896)
- Heating degree days
- 53
- Cooling degree days
- 134
Weiser in July
Highs average 92°33° and lows 61°16°, with 0.36 in9.1 mm of precipitation in a typical July.
- Record high
- 111°44° (1905)
- Record low
- 36°2° (1892)
- Heating degree days
- 3
- Cooling degree days
- 358
Weiser in August
Highs average 90°32° and lows 59°15°, with 0.24 in6.1 mm of precipitation in a typical August.
- Record high
- 110°43° (1894)
- Record low
- 32°0° (1910)
- Heating degree days
- 8
- Cooling degree days
- 304
Weiser in September
Highs average 80°27° and lows 50°10°, with 0.85 in22 mm of precipitation in a typical September.
- Record high
- 102°39° (1967)
- Record low
- 23°−5° (1934)
- Heating degree days
- 77
- Cooling degree days
- 83
Weiser in OctoberThis month
Highs average 67°19° and lows 39°4°, with 0.63 in16 mm of precipitation in a typical October.
- Record high
- 96°36° (1896)
- Record low
- 11°−12° (2019)
- Heating degree days
- 375
- Cooling degree days
- 5
Weiser in November
Highs average 52°11° and lows 30°−1°, with 1 in26 mm of precipitation in a typical November.
- Record high
- 78°26° (1896)
- Record low
- −2°−19° (1955)
- Heating degree days
- 723
- Cooling degree days
- 0
Weiser in December
Highs average 40°4° and lows 24°−4°, with 1.8 in44 mm of precipitation in a typical December.
- Record high
- 67°19° (1929)
- Record low
- −33°−36° (1924)
- Heating degree days
- 1017
- Cooling degree days
- 0