Gilman weather by month
What a typical year looks like in Gilman, Vermont: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Saint Johnsbury, 24 km from Gilman; records cover 1894–2026.
The year at a glance
- Precipitation a year
- 40.3 in1024 mm
- Snow a year
- 87 in221 cm
- Last spring freeze
- May 14
- First fall freeze
- Oct 4
- Heating degree days
- 7,487
- Cooling degree days
- 432
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −16°−27° (heating, 99%) and 90°32° (cooling, 1%).
Month by month
Gilman in January
Highs average 28°−2° and lows 9°−13°, with 2.7 in68 mm of precipitation and 20 in51 cm of snow in a typical January.
- Record high
- 63°17° (1950)
- Record low
- −38°−39° (1914)
- Heating degree days
- 1435
- Cooling degree days
- 0
Gilman in February
Highs average 33°0° and lows 10°−12°, with 2.2 in56 mm of precipitation and 20 in51 cm of snow in a typical February.
- Record high
- 65°18° (2018)
- Record low
- −43°−42° (1943)
- Heating degree days
- 1221
- Cooling degree days
- 0
Gilman in March
Highs average 42°6° and lows 20°−7°, with 2.5 in63 mm of precipitation and 16 in40 cm of snow in a typical March.
- Record high
- 84°29° (1998)
- Record low
- −27°−33° (1950)
- Heating degree days
- 1052
- Cooling degree days
- 0
Gilman in April
Highs average 57°14° and lows 32°0°, with 3.2 in80 mm of precipitation and 5 in12 cm of snow in a typical April.
- Record high
- 92°33° (1990)
- Record low
- −2°−19° (1954)
- Heating degree days
- 621
- Cooling degree days
- 2
Gilman in May
Highs average 70°21° and lows 44°6°, with 3.8 in96 mm of precipitation and 0.1 in0.3 cm of snow in a typical May.
- Record high
- 96°36° (1911)
- Record low
- 19°−7° (1903)
- Heating degree days
- 276
- Cooling degree days
- 19
Gilman in June
Highs average 78°25° and lows 53°12°, with 4.1 in103 mm of precipitation in a typical June.
- Record high
- 101°38° (1919)
- Record low
- 30°−1° (1910)
- Heating degree days
- 71
- Cooling degree days
- 84
Gilman in July
Highs average 81°27° and lows 58°15°, with 4.5 in115 mm of precipitation in a typical July.
- Record high
- 101°38° (1911)
- Record low
- 36°2° (1898)
- Heating degree days
- 14
- Cooling degree days
- 160
Gilman in August
Highs average 79°26° and lows 57°14°, with 3.9 in100 mm of precipitation in a typical August.
- Record high
- 100°38° (1909)
- Record low
- 33°1° (1909)
- Heating degree days
- 30
- Cooling degree days
- 123
Gilman in September
Highs average 72°22° and lows 49°10°, with 3.4 in86 mm of precipitation in a typical September.
- Record high
- 95°35° (1939)
- Record low
- 22°−6° (1904)
- Heating degree days
- 170
- Cooling degree days
- 42
Gilman in OctoberThis month
Highs average 59°15° and lows 38°3°, with 4 in100 mm of precipitation and 0.5 in1.3 cm of snow in a typical October.
- Record high
- 92°33° (1909)
- Record low
- 12°−11° (1925)
- Heating degree days
- 512
- Cooling degree days
- 2
Gilman in November
Highs average 45°7° and lows 28°−2°, with 3 in77 mm of precipitation and 6 in15 cm of snow in a typical November.
- Record high
- 77°25° (1950)
- Record low
- −13°−25° (1925)
- Heating degree days
- 850
- Cooling degree days
- 0
Gilman in December
Highs average 33°1° and lows 17°−8°, with 3.2 in81 mm of precipitation and 20 in52 cm of snow in a typical December.
- Record high
- 67°19° (1998)
- Record low
- −43°−42° (1917)
- Heating degree days
- 1235
- Cooling degree days
- 0