Gildford Colony weather by month
What a typical year looks like in Gildford Colony, Montana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Simpson 6 N - Wildhorse, 22 km from Gildford Colony; records cover 1931–2026.
The year at a glance
- Precipitation a year
- 11.2 in283 mm
- Snow a year
- 31 in79 cm
- Last spring freeze
- May 20
- First fall freeze
- Sep 15
- Heating degree days
- 9,102
- Cooling degree days
- 255
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −26°−32° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Gildford Colony in January
Highs average 24°−4° and lows 2°−16°, with 0.35 in8.9 mm of precipitation and 7 in18 cm of snow in a typical January.
- Record high
- 66°19° (2005)
- Record low
- −49°−45° (1954)
- Heating degree days
- 1601
- Cooling degree days
- 0
Gildford Colony in February
Highs average 30°−1° and lows 7°−14°, with 0.3 in7.6 mm of precipitation and 4 in10 cm of snow in a typical February.
- Record high
- 73°23° (1992)
- Record low
- −52°−47° (1936)
- Heating degree days
- 1315
- Cooling degree days
- 0
Gildford Colony in March
Highs average 41°5° and lows 17°−8°, with 0.5 in13 mm of precipitation and 6 in15 cm of snow in a typical March.
- Record high
- 79°26° (2004)
- Record low
- −36°−38° (1951)
- Heating degree days
- 1118
- Cooling degree days
- 0
Gildford Colony in April
Highs average 56°13° and lows 28°−2°, with 0.85 in22 mm of precipitation and 2.7 in6.9 cm of snow in a typical April.
- Record high
- 92°33° (1939)
- Record low
- −18°−28° (1975)
- Heating degree days
- 690
- Cooling degree days
- 0
Gildford Colony in May
Highs average 66°19° and lows 37°3°, with 1.9 in49 mm of precipitation and 0.7 in1.8 cm of snow in a typical May.
- Record high
- 99°37° (1936)
- Record low
- 14°−10° (1946)
- Heating degree days
- 412
- Cooling degree days
- 4
Gildford Colony in June
Highs average 74°23° and lows 46°8°, with 2.5 in62 mm of precipitation in a typical June.
- Record high
- 107°42° (1936)
- Record low
- 27°−3° (2009)
- Heating degree days
- 180
- Cooling degree days
- 22
Gildford Colony in July
Highs average 84°29° and lows 50°10°, with 1.1 in27 mm of precipitation in a typical July.
- Record high
- 105°41° (1933)
- Record low
- 32°0° (1968)
- Heating degree days
- 46
- Cooling degree days
- 116
Gildford Colony in August
Highs average 83°28° and lows 49°9°, with 1.2 in31 mm of precipitation in a typical August.
- Record high
- 109°43° (1961)
- Record low
- 28°−2° (1950)
- Heating degree days
- 73
- Cooling degree days
- 100
Gildford Colony in September
Highs average 72°22° and lows 40°4°, with 1.2 in29 mm of precipitation in a typical September.
- Record high
- 101°38° (1998)
- Record low
- 14°−10° (1959)
- Heating degree days
- 291
- Cooling degree days
- 13
Gildford Colony in OctoberThis month
Highs average 56°13° and lows 27°−3°, with 0.62 in16 mm of precipitation and 0.9 in2.3 cm of snow in a typical October.
- Record high
- 89°32° (1980)
- Record low
- −20°−29° (1991)
- Heating degree days
- 726
- Cooling degree days
- 0
Gildford Colony in November
Highs average 39°4° and lows 16°−9°, with 0.43 in11 mm of precipitation and 5 in11 cm of snow in a typical November.
- Record high
- 74°23° (1954)
- Record low
- −32°−36° (1975)
- Heating degree days
- 1126
- Cooling degree days
- 0
Gildford Colony in December
Highs average 27°−3° and lows 5°−15°, with 0.3 in7.6 mm of precipitation and 6 in14 cm of snow in a typical December.
- Record high
- 67°19° (2002)
- Record low
- −47°−44° (1983)
- Heating degree days
- 1524
- Cooling degree days
- 0