Overly weather by month
What a typical year looks like in Overly, North Dakota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Willow City, 13 km from Overly; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 19 in481 mm
- Snow a year
- Rare
- Last spring freeze
- May 18
- First fall freeze
- Sep 19
- Heating degree days
- 10,183
- Cooling degree days
- 244
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −30°−34° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Overly in January
Highs average 15°−9° and lows −6°−21°, with 0.46 in12 mm of precipitation in a typical January.
- Record high
- 55°13° (2012)
- Record low
- −54°−48° (1916)
- Heating degree days
- 1868
- Cooling degree days
- 0
Overly in February
Highs average 20°−7° and lows −2°−19°, with 0.5 in13 mm of precipitation in a typical February.
- Record high
- 63°17° (1988)
- Record low
- −54°−48° (1893)
- Heating degree days
- 1569
- Cooling degree days
- 0
Overly in March
Highs average 33°1° and lows 11°−12°, with 0.77 in20 mm of precipitation in a typical March.
- Record high
- 83°28° (1910)
- Record low
- −45°−43° (1897)
- Heating degree days
- 1328
- Cooling degree days
- 0
Overly in April
Highs average 52°11° and lows 26°−4°, with 1.1 in28 mm of precipitation in a typical April.
- Record high
- 97°36° (1980)
- Record low
- −22°−30° (1979)
- Heating degree days
- 791
- Cooling degree days
- 0
Overly in May
Highs average 66°19° and lows 37°3°, with 2.6 in66 mm of precipitation in a typical May.
- Record high
- 107°42° (1934)
- Record low
- 10°−12° (1905)
- Heating degree days
- 423
- Cooling degree days
- 6
Overly in June
Highs average 75°24° and lows 49°9°, with 3.8 in97 mm of precipitation in a typical June.
- Record high
- 107°42° (1931)
- Record low
- 22°−6° (1964)
- Heating degree days
- 139
- Cooling degree days
- 40
Overly in July
Highs average 80°27° and lows 53°12°, with 2.8 in71 mm of precipitation in a typical July.
- Record high
- 110°43° (1936)
- Record low
- 30°−1° (1903)
- Heating degree days
- 50
- Cooling degree days
- 101
Overly in August
Highs average 80°27° and lows 50°10°, with 2.4 in62 mm of precipitation in a typical August.
- Record high
- 105°41° (1988)
- Record low
- 26°−3° (1915)
- Heating degree days
- 78
- Cooling degree days
- 83
Overly in September
Highs average 70°21° and lows 40°5°, with 1.7 in43 mm of precipitation in a typical September.
- Record high
- 102°39° (1976)
- Record low
- −14°−26° (1894)
- Heating degree days
- 308
- Cooling degree days
- 14
Overly in OctoberThis month
Highs average 54°12° and lows 28°−2°, with 1.3 in34 mm of precipitation in a typical October.
- Record high
- 93°34° (1963)
- Record low
- −13°−25° (1991)
- Heating degree days
- 749
- Cooling degree days
- 0
Overly in November
Highs average 35°2° and lows 14°−10°, with 0.79 in20 mm of precipitation in a typical November.
- Record high
- 75°24° (1903)
- Record low
- −33°−36° (1985)
- Heating degree days
- 1212
- Cooling degree days
- 0
Overly in December
Highs average 21°−6° and lows 2°−17°, with 0.64 in16 mm of precipitation in a typical December.
- Record high
- 65°18° (1939)
- Record low
- −44°−42° (1917)
- Heating degree days
- 1668
- Cooling degree days
- 0