Mona weather by month
What a typical year looks like in Mona, Utah: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Nephi, 11 km from Mona; records cover 1913–2026.
The year at a glance
- Precipitation a year
- 13.7 in349 mm
- Snow a year
- 45 in115 cm
- Last spring freeze
- May 9
- First fall freeze
- Oct 6
- Heating degree days
- 6,076
- Cooling degree days
- 820
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 1°−17° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Mona in January
Highs average 37°3° and lows 20°−7°, with 1.3 in33 mm of precipitation and 11 in28 cm of snow in a typical January.
- Record high
- 68°20° (1953)
- Record low
- −18°−28° (1949)
- Heating degree days
- 1136
- Cooling degree days
- 0
Mona in February
Highs average 42°6° and lows 24°−4°, with 1.2 in31 mm of precipitation and 8 in21 cm of snow in a typical February.
- Record high
- 75°24° (1992)
- Record low
- −20°−29° (1989)
- Heating degree days
- 889
- Cooling degree days
- 0
Mona in March
Highs average 53°12° and lows 31°−1°, with 1.4 in35 mm of precipitation and 5 in11 cm of snow in a typical March.
- Record high
- 88°31° (2026)
- Record low
- 0°−18° (1971)
- Heating degree days
- 715
- Cooling degree days
- 0
Mona in April
Highs average 60°15° and lows 36°2°, with 1.6 in42 mm of precipitation and 2.6 in6.6 cm of snow in a typical April.
- Record high
- 91°33° (1987)
- Record low
- 14°−10° (1945)
- Heating degree days
- 523
- Cooling degree days
- 1
Mona in May
Highs average 70°21° and lows 44°7°, with 1.5 in39 mm of precipitation and 0.1 in0.3 cm of snow in a typical May.
- Record high
- 98°37° (2002)
- Record low
- 14°−10° (2002)
- Heating degree days
- 271
- Cooling degree days
- 21
Mona in June
Highs average 82°28° and lows 53°12°, with 0.77 in20 mm of precipitation in a typical June.
- Record high
- 110°43° (1970)
- Record low
- 28°−2° (1976)
- Heating degree days
- 66
- Cooling degree days
- 132
Mona in July
Highs average 90°32° and lows 61°16°, with 0.55 in14 mm of precipitation in a typical July.
- Record high
- 107°42° (2026)
- Record low
- 38°3° (1983)
- Heating degree days
- 2
- Cooling degree days
- 324
Mona in August
Highs average 87°31° and lows 60°15°, with 0.73 in19 mm of precipitation in a typical August.
- Record high
- 109°43° (1958)
- Record low
- 35°2° (1943)
- Heating degree days
- 5
- Cooling degree days
- 266
Mona in September
Highs average 78°26° and lows 50°10°, with 0.95 in24 mm of precipitation in a typical September.
- Record high
- 106°41° (1950)
- Record low
- 23°−5° (1965)
- Heating degree days
- 103
- Cooling degree days
- 74
Mona in OctoberThis month
Highs average 64°18° and lows 38°3°, with 1.3 in34 mm of precipitation and 0.7 in1.8 cm of snow in a typical October.
- Record high
- 93°34° (1989)
- Record low
- 7°−14° (2019)
- Heating degree days
- 439
- Cooling degree days
- 2
Mona in November
Highs average 49°10° and lows 28°−2°, with 1.1 in28 mm of precipitation and 6 in15 cm of snow in a typical November.
- Record high
- 79°26° (1953)
- Record low
- −4°−20° (1955)
- Heating degree days
- 790
- Cooling degree days
- 0
Mona in December
Highs average 37°3° and lows 20°−7°, with 1.2 in31 mm of precipitation and 13 in32 cm of snow in a typical December.
- Record high
- 70°21° (1995)
- Record low
- −21°−29° (1990)
- Heating degree days
- 1137
- Cooling degree days
- 0