Grand View weather by month
What a typical year looks like in Grand View, Idaho: average highs and lows, rain and snow, and the warmest and coldest days on record. No nearby active station has official 1991–2020 normals, so these are forecast.blue’s own averages computed from daily observations at Mountain Home AFB, 20 km from Grand View, over its available record (1949–2026) — not an NCEI normal; records cover 1949–2026.
The year at a glance
- Precipitation a year
- 6.9 in175 mm
- Snow a year
- Rare
- Last spring freeze
- May 3
- First fall freeze
- Oct 9
- Heating degree days
- —
- Cooling degree days
- —
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 6°−14° (heating, 99%) and 103°39° (cooling, 1%).
Month by month
Grand View in January
Highs average 38°3° and lows 23°−5°, with 0.9 in23 mm of precipitation in a typical January.
- Record high
- 64°18° (1953)
- Record low
- −22°−30° (1962)
- Heating degree days
- —
- Cooling degree days
- —
Grand View in February
Highs average 45°7° and lows 26°−3°, with 0.6 in15 mm of precipitation in a typical February.
- Record high
- 68°20° (1958)
- Record low
- −9°−23° (1956)
- Heating degree days
- —
- Cooling degree days
- —
Grand View in March
Highs average 54°12° and lows 30°−1°, with 0.6 in15 mm of precipitation in a typical March.
- Record high
- 83°28° (2026)
- Record low
- 10°−12° (1960)
- Heating degree days
- —
- Cooling degree days
- —
Grand View in April
Highs average 62°17° and lows 36°2°, with 0.6 in15 mm of precipitation in a typical April.
- Record high
- 90°32° (2012)
- Record low
- 17°−8° (1968)
- Heating degree days
- —
- Cooling degree days
- —
Grand View in May
Highs average 73°23° and lows 45°7°, with 0.8 in20 mm of precipitation in a typical May.
- Record high
- 100°38° (2025)
- Record low
- 23°−5° (2019)
- Heating degree days
- —
- Cooling degree days
- —
Grand View in June
Highs average 82°28° and lows 53°12°, with 0.7 in18 mm of precipitation in a typical June.
- Record high
- 109°43° (2015)
- Record low
- 32°0° (1951)
- Heating degree days
- —
- Cooling degree days
- —
Grand View in July
Highs average 94°34° and lows 61°16°, with 0.2 in5.1 mm of precipitation in a typical July.
- Record high
- 109°43° (1960)
- Record low
- 39°4° (1959)
- Heating degree days
- —
- Cooling degree days
- —
Grand View in August
Highs average 91°33° and lows 58°15°, with 0.3 in7.6 mm of precipitation in a typical August.
- Record high
- 108°42° (1969)
- Record low
- 37°3° (1951)
- Heating degree days
- —
- Cooling degree days
- —
Grand View in September
Highs average 80°27° and lows 49°9°, with 0.3 in7.6 mm of precipitation in a typical September.
- Record high
- 104°40° (1955)
- Record low
- 24°−4° (1965)
- Heating degree days
- —
- Cooling degree days
- —
Grand View in OctoberThis month
Highs average 66°19° and lows 38°3°, with 0.5 in13 mm of precipitation in a typical October.
- Record high
- 93°34° (2024)
- Record low
- 9°−13° (2019)
- Heating degree days
- —
- Cooling degree days
- —
Grand View in November
Highs average 50°10° and lows 29°−2°, with 0.7 in18 mm of precipitation in a typical November.
- Record high
- 73°23° (1965)
- Record low
- −5°−21° (1955)
- Heating degree days
- —
- Cooling degree days
- —
Grand View in December
Highs average 39°4° and lows 24°−5°, with 0.7 in18 mm of precipitation in a typical December.
- Record high
- 64°18° (2012)
- Record low
- −9°−23° (2013)
- Heating degree days
- —
- Cooling degree days
- —
Mountain Home station, 1906–2007: records and averages
This station is no longer reporting, but its 1906–2007 record is the longest and most local history available. These are its own averages over its own period of record — not NCEI normals, and not the same station as the computed averages above.
January
Average high 38°3°, low 20°−7°, 1.2 in30 mm precipitation.
Record high 66°19° (1953); record low −29°−34° (1937).
February
Average high 45°7°, low 24°−5°, 1 in25 mm precipitation.
Record high 72°22° (1953); record low −18°−28° (1936).
March
Average high 54°12°, low 29°−2°, 1 in25 mm precipitation.
Record high 82°28° (2004); record low 4°−16° (1976).
April
Average high 64°18°, low 34°1°, 0.9 in23 mm precipitation.
Record high 94°34° (1910); record low 1°−17° (1936).
May
Average high 73°23°, low 41°5°, 0.9 in23 mm precipitation.
Record high 107°42° (2003); record low 15°−9° (1916).
June
Average high 82°28°, low 48°9°, 0.7 in18 mm precipitation.
Record high 107°42° (1974); record low 20°−7° (1914).
July
Average high 93°34°, low 55°13°, 0.3 in7.6 mm precipitation.
Record high 115°46° (2002); record low 29°−2° (1913).
August
Average high 91°33°, low 53°11°, 0.2 in5.1 mm precipitation.
Record high 109°43° (1969); record low 26°−3° (1910).
September
Average high 80°27°, low 43°6°, 0.5 in13 mm precipitation.
Record high 107°42° (1955); record low 9°−13° (1926).
October
Average high 67°19°, low 35°1°, 0.8 in20 mm precipitation.
Record high 94°34° (1997); record low 7°−14° (1906).
November
Average high 50°10°, low 27°−3°, 1.2 in30 mm precipitation.
Record high 79°26° (1999); record low −10°−23° (1919).
December
Average high 40°4°, low 21°−6°, 1.3 in33 mm precipitation.
Record high 67°19° (1929); record low −36°−38° (1924).