Trenton weather by month
What a typical year looks like in Trenton, North Dakota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Williston Sloulin Fld, 19 km from Trenton; records cover 1894–2026.
The year at a glance
- Precipitation a year
- 15.1 in384 mm
- Snow a year
- 48 in122 cm
- Last spring freeze
- May 20
- First fall freeze
- Sep 19
- Heating degree days
- 8,905
- Cooling degree days
- 457
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −25°−32° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Trenton in January
Highs average 22°−5° and lows 1°−17°, with 0.56 in14 mm of precipitation and 11 in28 cm of snow in a typical January.
- Record high
- 58°14° (2012)
- Record low
- −42°−41° (1907)
- Heating degree days
- 1657
- Cooling degree days
- 0
Trenton in February
Highs average 27°−3° and lows 6°−15°, with 0.48 in12 mm of precipitation and 7 in17 cm of snow in a typical February.
- Record high
- 66°19° (1932)
- Record low
- −50°−46° (1936)
- Heating degree days
- 1369
- Cooling degree days
- 0
Trenton in March
Highs average 40°5° and lows 18°−8°, with 0.63 in16 mm of precipitation and 6 in16 cm of snow in a typical March.
- Record high
- 84°29° (1910)
- Record low
- −35°−37° (1897)
- Heating degree days
- 1122
- Cooling degree days
- 0
Trenton in April
Highs average 56°13° and lows 29°−2°, with 1.1 in27 mm of precipitation and 4 in9 cm of snow in a typical April.
- Record high
- 92°33° (1980)
- Record low
- −15°−26° (1975)
- Heating degree days
- 678
- Cooling degree days
- 0
Trenton in May
Highs average 67°20° and lows 40°5°, with 2.1 in53 mm of precipitation and 0.9 in2.3 cm of snow in a typical May.
- Record high
- 106°41° (1980)
- Record low
- 10°−12° (2005)
- Heating degree days
- 357
- Cooling degree days
- 10
Trenton in June
Highs average 77°25° and lows 50°10°, with 2.6 in67 mm of precipitation in a typical June.
- Record high
- 108°42° (1931)
- Record low
- 26°−3° (1998)
- Heating degree days
- 108
- Cooling degree days
- 62
Trenton in July
Highs average 85°29° and lows 56°13°, with 2.5 in63 mm of precipitation in a typical July.
- Record high
- 110°43° (1936)
- Record low
- 34°1° (1967)
- Heating degree days
- 21
- Cooling degree days
- 188
Trenton in August
Highs average 84°29° and lows 54°12°, with 1.6 in40 mm of precipitation in a typical August.
- Record high
- 108°42° (1949)
- Record low
- 32°0° (1908)
- Heating degree days
- 41
- Cooling degree days
- 164
Trenton in September
Highs average 73°23° and lows 44°6°, with 1.4 in35 mm of precipitation in a typical September.
- Record high
- 104°40° (1983)
- Record low
- 13°−11° (1907)
- Heating degree days
- 240
- Cooling degree days
- 31
Trenton in OctoberThis month
Highs average 56°13° and lows 30°−1°, with 0.94 in24 mm of precipitation and 2.6 in6.6 cm of snow in a typical October.
- Record high
- 93°34° (1897)
- Record low
- −9°−23° (2002)
- Heating degree days
- 679
- Cooling degree days
- 2
Trenton in November
Highs average 38°4° and lows 17°−8°, with 0.67 in17 mm of precipitation and 6 in16 cm of snow in a typical November.
- Record high
- 76°24° (1999)
- Record low
- −27°−33° (1996)
- Heating degree days
- 1117
- Cooling degree days
- 0
Trenton in December
Highs average 26°−3° and lows 6°−14°, with 0.63 in16 mm of precipitation and 10 in26 cm of snow in a typical December.
- Record high
- 63°17° (1939)
- Record low
- −50°−46° (1983)
- Heating degree days
- 1516
- Cooling degree days
- 0