Dayton weather by month
What a typical year looks like in Dayton, Nevada: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Virginia City, 10 km from Dayton; records cover 1887–2026.
The year at a glance
- Precipitation a year
- 11.7 in297 mm
- Snow a year
- 46 in118 cm
- Last spring freeze
- May 22
- First fall freeze
- Oct 16
- Heating degree days
- 5,865
- Cooling degree days
- 629
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 13°−11° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Dayton in January
Highs average 41°5° and lows 27°−3°, with 1.8 in46 mm of precipitation and 13 in33 cm of snow in a typical January.
- Record high
- 69°21° (2018)
- Record low
- −1°−18° (1997)
- Heating degree days
- 963
- Cooling degree days
- 0
Dayton in February
Highs average 43°6° and lows 29°−2°, with 2.1 in52 mm of precipitation and 9 in22 cm of snow in a typical February.
- Record high
- 70°21° (1986)
- Record low
- −9°−23° (1989)
- Heating degree days
- 816
- Cooling degree days
- 0
Dayton in March
Highs average 49°9° and lows 33°0°, with 1.6 in41 mm of precipitation and 9 in24 cm of snow in a typical March.
- Record high
- 79°26° (2026)
- Record low
- 4°−16° (1971)
- Heating degree days
- 746
- Cooling degree days
- 0
Dayton in April
Highs average 55°13° and lows 36°2°, with 0.54 in14 mm of precipitation and 2.3 in5.8 cm of snow in a typical April.
- Record high
- 79°26° (1989)
- Record low
- 10°−12° (1970)
- Heating degree days
- 596
- Cooling degree days
- 0
Dayton in May
Highs average 64°18° and lows 44°7°, with 0.74 in19 mm of precipitation and 0.7 in1.8 cm of snow in a typical May.
- Record high
- 89°32° (1889)
- Record low
- 15°−9° (1970)
- Heating degree days
- 356
- Cooling degree days
- 13
Dayton in June
Highs average 74°24° and lows 53°12°, with 0.55 in14 mm of precipitation and 0.2 in0.5 cm of snow in a typical June.
- Record high
- 95°35° (1961)
- Record low
- 28°−2° (1894)
- Heating degree days
- 125
- Cooling degree days
- 82
Dayton in July
Highs average 84°29° and lows 62°16°, with 0.19 in4.8 mm of precipitation in a typical July.
- Record high
- 99°37° (2002)
- Record low
- 36°2° (1975)
- Heating degree days
- 11
- Cooling degree days
- 248
Dayton in August
Highs average 82°28° and lows 60°16°, with 0.24 in6.1 mm of precipitation in a typical August.
- Record high
- 100°38° (1970)
- Record low
- 31°−1° (1951)
- Heating degree days
- 14
- Cooling degree days
- 208
Dayton in September
Highs average 74°23° and lows 53°12°, with 0.29 in7.4 mm of precipitation in a typical September.
- Record high
- 93°34° (1955)
- Record low
- 21°−6° (1965)
- Heating degree days
- 116
- Cooling degree days
- 71
Dayton in OctoberThis month
Highs average 61°16° and lows 43°6°, with 0.65 in17 mm of precipitation and 0.3 in0.8 cm of snow in a typical October.
- Record high
- 85°29° (1889)
- Record low
- 11°−12° (1971)
- Heating degree days
- 413
- Cooling degree days
- 7
Dayton in November
Highs average 49°9° and lows 33°0°, with 1.1 in27 mm of precipitation and 2.4 in6.1 cm of snow in a typical November.
- Record high
- 75°24° (2020)
- Record low
- 6°−14° (2010)
- Heating degree days
- 728
- Cooling degree days
- 0
Dayton in December
Highs average 40°5° and lows 26°−3°, with 2 in50 mm of precipitation and 10 in24 cm of snow in a typical December.
- Record high
- 69°21° (1958)
- Record low
- −11°−24° (1972)
- Heating degree days
- 981
- Cooling degree days
- 0