Fallon weather by month
What a typical year looks like in Fallon, Nevada: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Fallon Naas, 8 km from Fallon; records cover 1945–2026.
The year at a glance
- Precipitation a year
- 4.9 in125 mm
- Snow a year
- Rare
- Last spring freeze
- May 4
- First fall freeze
- Oct 9
- Heating degree days
- 5,087
- Cooling degree days
- 1,003
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 7°−14° (heating, 99%) and 103°39° (cooling, 1%).
Month by month
Fallon in January
Highs average 47°8° and lows 22°−6°, with 0.51 in13 mm of precipitation in a typical January.
- Record high
- 73°23° (2012)
- Record low
- −17°−27° (1982)
- Heating degree days
- 953
- Cooling degree days
- 0
Fallon in February
Highs average 53°12° and lows 25°−4°, with 0.45 in11 mm of precipitation in a typical February.
- Record high
- 81°27° (1986)
- Record low
- −23°−31° (1989)
- Heating degree days
- 729
- Cooling degree days
- 0
Fallon in March
Highs average 61°16° and lows 31°−1°, with 0.49 in12 mm of precipitation in a typical March.
- Record high
- 86°30° (2026)
- Record low
- 6°−14° (1971)
- Heating degree days
- 594
- Cooling degree days
- 0
Fallon in April
Highs average 67°19° and lows 35°2°, with 0.49 in12 mm of precipitation in a typical April.
- Record high
- 96°36° (1981)
- Record low
- 16°−9° (1955)
- Heating degree days
- 417
- Cooling degree days
- 2
Fallon in May
Highs average 76°25° and lows 44°6°, with 0.86 in22 mm of precipitation in a typical May.
- Record high
- 101°38° (1984)
- Record low
- 22°−6° (2002)
- Heating degree days
- 199
- Cooling degree days
- 39
Fallon in June
Highs average 87°31° and lows 51°11°, with 0.41 in10 mm of precipitation in a typical June.
- Record high
- 106°41° (1985)
- Record low
- 30°−1° (2020)
- Heating degree days
- 47
- Cooling degree days
- 164
Fallon in July
Highs average 96°36° and lows 58°15°, with 0.14 in3.6 mm of precipitation in a typical July.
- Record high
- 109°43° (2021)
- Record low
- 38°3° (1976)
- Heating degree days
- 1
- Cooling degree days
- 381
Fallon in August
Highs average 94°34° and lows 55°13°, with 0.09 in2.3 mm of precipitation in a typical August.
- Record high
- 108°42° (1981)
- Record low
- 32°0° (1973)
- Heating degree days
- 4
- Cooling degree days
- 304
Fallon in September
Highs average 85°29° and lows 48°9°, with 0.24 in6.1 mm of precipitation in a typical September.
- Record high
- 106°41° (2022)
- Record low
- 24°−4° (1965)
- Heating degree days
- 71
- Cooling degree days
- 106
Fallon in OctoberThis month
Highs average 71°21° and lows 36°2°, with 0.37 in9.4 mm of precipitation in a typical October.
- Record high
- 95°35° (2010)
- Record low
- 5°−15° (2019)
- Heating degree days
- 372
- Cooling degree days
- 7
Fallon in November
Highs average 56°13° and lows 26°−3°, with 0.47 in12 mm of precipitation in a typical November.
- Record high
- 80°27° (1958)
- Record low
- 5°−15° (1964)
- Heating degree days
- 712
- Cooling degree days
- 0
Fallon in December
Highs average 46°8° and lows 20°−6°, with 0.42 in11 mm of precipitation in a typical December.
- Record high
- 74°23° (2006)
- Record low
- −15°−26° (1990)
- Heating degree days
- 988
- Cooling degree days
- 0