Search a place

Silver Gate weather by month

What a typical year looks like in Silver Gate, Montana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Lamar Ranger Station, 24 km from Silver Gate; records cover 1881–2026.

Today’s Silver Gate forecast

The year at a glance

January: typical high 26.5°F, low 1.2°F, precipitation 1.1 in. February: typical high 31.2°F, low 4.7°F, precipitation 1.09 in. March: typical high 40.5°F, low 12.9°F, precipitation 1.1 in. April: typical high 49.9°F, low 24°F, precipitation 1.42 in. May: typical high 60.3°F, low 32°F, precipitation 2.22 in. June: typical high 69.3°F, low 37.1°F, precipitation 2.46 in. July: typical high 81.6°F, low 41.5°F, precipitation 1.48 in. August: typical high 80.2°F, low 39°F, precipitation 1.31 in. September: typical high 70.9°F, low 33.3°F, precipitation 1.47 in. October: typical high 53.9°F, low 25.5°F, precipitation 1.61 in. November: typical high 37.5°F, low 13°F, precipitation 1.49 in. December: typical high 27°F, low 2.9°F, precipitation 1.21 in.−60°−51°−40°−40°−20°−29°0°−18°20°−7°40°4°60°16°80°27°100°38°27°−3°1°−17°Jan31°0°5°−15°Feb41°5°13°−11°Mar50°10°24°−4°Apr60°16°32°0°May69°21°37°3°Jun82°28°42°5°Jul80°27°39°4°Aug71°22°33°1°Sep54°12°26°−4°Oct38°3°13°−11°Nov27°−3°3°−16°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
18 in456 mm
Snow a year
Rare
Last spring freeze
Apr 30
First fall freeze
Sep 10
Heating degree days
10,082
Cooling degree days
23

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −32°−35° (heating, 99%) and 88°31° (cooling, 1%).

Month by month

Silver Gate in January

Highs average 27°−3° and lows 1°−17°, with 1.1 in28 mm of precipitation in a typical January.

Record high
50°10° (1974)
Record low
−55°−48° (1962)
Heating degree days
1586
Cooling degree days
0

Silver Gate in February

Highs average 31°0° and lows 5°−15°, with 1.1 in28 mm of precipitation in a typical February.

Record high
54°12° (1958)
Record low
−49°−45° (1933)
Heating degree days
1317
Cooling degree days
0

Silver Gate in March

Highs average 41°5° and lows 13°−11°, with 1.1 in28 mm of precipitation in a typical March.

Record high
66°19° (2026)
Record low
−41° (1932)
Heating degree days
1187
Cooling degree days
0

Silver Gate in April

Highs average 50°10° and lows 24°−4°, with 1.4 in36 mm of precipitation in a typical April.

Record high
76°24° (1939)
Record low
−18°−28° (1936)
Heating degree days
842
Cooling degree days
0

Silver Gate in May

Highs average 60°16° and lows 32°0°, with 2.2 in56 mm of precipitation in a typical May.

Record high
87°31° (1936)
Record low
8°−13° (1930)
Heating degree days
584
Cooling degree days
0

Silver Gate in June

Highs average 69°21° and lows 37°3°, with 2.5 in62 mm of precipitation in a typical June.

Record high
98°37° (1936)
Record low
16°−9° (1924)
Heating degree days
355
Cooling degree days
2

Silver Gate in July

Highs average 82°28° and lows 42°5°, with 1.5 in38 mm of precipitation in a typical July.

Record high
98°37° (2026)
Record low
21°−6° (1952)
Heating degree days
122
Cooling degree days
14

Silver Gate in August

Highs average 80°27° and lows 39°4°, with 1.3 in33 mm of precipitation in a typical August.

Record high
95°35° (2026)
Record low
11°−12° (1976)
Heating degree days
174
Cooling degree days
7

Silver Gate in September

Highs average 71°22° and lows 33°1°, with 1.5 in37 mm of precipitation in a typical September.

Record high
92°33° (2022)
Record low
0°−18° (1926)
Heating degree days
388
Cooling degree days
0

Silver Gate in OctoberThis month

Highs average 54°12° and lows 26°−4°, with 1.6 in41 mm of precipitation in a typical October.

Record high
83°28° (1934)
Record low
−19°−28° (1971)
Heating degree days
784
Cooling degree days
0

Silver Gate in November

Highs average 38°3° and lows 13°−11°, with 1.5 in38 mm of precipitation in a typical November.

Record high
66°19° (2014)
Record low
−35°−37° (1959)
Heating degree days
1192
Cooling degree days
0

Silver Gate in December

Highs average 27°−3° and lows 3°−16°, with 1.2 in31 mm of precipitation in a typical December.

Record high
55°13° (1939)
Record low
−51°−46° (1964)
Heating degree days
1551
Cooling degree days
0