Trenton weather by month
What a typical year looks like in Trenton, Nebraska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Culbertson, 17 km from Trenton; records cover 1889–2026.
The year at a glance
- Precipitation a year
- 22.5 in572 mm
- Snow a year
- 27 in67 cm
- Last spring freeze
- May 2
- First fall freeze
- Oct 6
- Heating degree days
- 6,003
- Cooling degree days
- 1,097
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −5°−21° (heating, 99%) and 103°39° (cooling, 1%).
Month by month
Trenton in January
Highs average 41°5° and lows 14°−10°, with 0.36 in9.1 mm of precipitation and 4 in10 cm of snow in a typical January.
- Record high
- 77°25° (1990)
- Record low
- −30°−34° (1918)
- Heating degree days
- 1158
- Cooling degree days
- 0
Trenton in February
Highs average 45°7° and lows 17°−9°, with 0.57 in14 mm of precipitation and 5 in13 cm of snow in a typical February.
- Record high
- 80°27° (1918)
- Record low
- −38°−39° (1899)
- Heating degree days
- 962
- Cooling degree days
- 0
Trenton in March
Highs average 56°13° and lows 25°−4°, with 1.2 in30 mm of precipitation and 4 in10 cm of snow in a typical March.
- Record high
- 97°36° (2026)
- Record low
- −23°−31° (1960)
- Heating degree days
- 755
- Cooling degree days
- 0
Trenton in April
Highs average 65°18° and lows 34°1°, with 2.4 in60 mm of precipitation and 2.7 in6.9 cm of snow in a typical April.
- Record high
- 101°38° (1932)
- Record low
- −4°−20° (1936)
- Heating degree days
- 467
- Cooling degree days
- 4
Trenton in May
Highs average 75°24° and lows 46°8°, with 3 in77 mm of precipitation and 0.2 in0.5 cm of snow in a typical May.
- Record high
- 103°39° (2000)
- Record low
- 21°−6° (1989)
- Heating degree days
- 204
- Cooling degree days
- 52
Trenton in June
Highs average 86°30° and lows 57°14°, with 3.4 in86 mm of precipitation in a typical June.
- Record high
- 112°44° (1938)
- Record low
- 32°0° (1906)
- Heating degree days
- 27
- Cooling degree days
- 220
Trenton in July
Highs average 92°33° and lows 63°17°, with 3.5 in89 mm of precipitation in a typical July.
- Record high
- 113°45° (1936)
- Record low
- 38°3° (1990)
- Heating degree days
- 2
- Cooling degree days
- 376
Trenton in August
Highs average 89°32° and lows 60°16°, with 3.4 in87 mm of precipitation in a typical August.
- Record high
- 112°44° (1937)
- Record low
- 35°2° (1928)
- Heating degree days
- 6
- Cooling degree days
- 313
Trenton in September
Highs average 82°28° and lows 50°10°, with 1.6 in41 mm of precipitation in a typical September.
- Record high
- 106°41° (1947)
- Record low
- 20°−7° (1903)
- Heating degree days
- 93
- Cooling degree days
- 123
Trenton in OctoberThis month
Highs average 68°20° and lows 36°2°, with 1.8 in46 mm of precipitation and 1.5 in3.8 cm of snow in a typical October.
- Record high
- 100°38° (1900)
- Record low
- 2°−17° (1925)
- Heating degree days
- 415
- Cooling degree days
- 9
Trenton in November
Highs average 54°12° and lows 24°−5°, with 0.73 in19 mm of precipitation and 4 in9 cm of snow in a typical November.
- Record high
- 85°29° (1931)
- Record low
- −16°−27° (1952)
- Heating degree days
- 794
- Cooling degree days
- 0
Trenton in December
Highs average 42°6° and lows 15°−9°, with 0.5 in13 mm of precipitation and 6 in14 cm of snow in a typical December.
- Record high
- 81°27° (1964)
- Record low
- −34°−37° (1989)
- Heating degree days
- 1120
- Cooling degree days
- 0