St. Marie, MT weather

Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month

Weather in St. Marie now

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St. Marie weather by the hour

St. Marie weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of St. Marie.

This week in St. Marie

Sunrise, sunset and moon in St. Marie

What is the weather usually like in St. Marie?

BSk
Cold semi-arid climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

1°23°46°68°90°24°6°Jan28°9°Feb41°20°Mar56°31°Apr67°41°May75°51°Jun85°57°Jul84°56°Aug73°46°Sep56°33°Oct39°20°Nov27°10°Dec

Average precipitation (inches)

0.3"Jan0.2"Feb0.2"Mar0.8"Apr1.9"May3.1"Jun1.6"Jul1.3"Aug1.0"Sep0.9"Oct0.3"Nov0.2"Dec

Best time to visit St. Marie: June to September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ST MARIE, MT US (USW00094010), adjusted for the elevation of St. Marie.

St. Marie weather month by month

January
24° 6°F
0.3 in of rain · 1 wet days
February
28° 9°F
0.2 in of rain · 1 wet days
March
41° 20°F
0.2 in of rain · 1 wet days
April
56° 31°F
0.8 in of rain · 3 wet days
May
67° 41°F
1.9 in of rain · 5 wet days
June
75° 51°F
3.1 in of rain · 7 wet days
July
85° 57°F
1.6 in of rain · 4 wet days
August
84° 56°F
1.3 in of rain · 4 wet days
September
73° 46°F
1.0 in of rain · 3 wet days
October
56° 33°F
0.9 in of rain · 2 wet days
November
39° 20°F
0.3 in of rain · 1 wet days
December
27° 10°F
0.2 in of rain · 1 wet days

Sunrise and sunset in St. Marie through the year

MonthSunriseSunsetDaylight
January7:50 AM4:40 PM8 h 50 min
February7:10 AM5:29 PM10 h 18 min
March7:16 AM7:12 PM11 h 56 min
April6:13 AM7:58 PM13 h 45 min
May5:23 AM8:41 PM15 h 17 min
June5:01 AM9:11 PM16 h 9 min
July5:19 AM9:04 PM15 h 45 min
August5:58 AM8:22 PM14 h 23 min
September6:41 AM7:20 PM12 h 38 min
October7:24 AM6:18 PM10 h 53 min
November7:12 AM4:28 PM9 h 16 min
December7:49 AM4:13 PM8 h 24 min

Times for the 15th of each month, local time (America/Denver).

What is the weather like in St. Marie?

St. Marie has a cold semi-arid climate. The warmest month is July, with an average high of 85°F (29°C), and the coldest is January, with average lows of 6°F (-15°C).

It gets about 11.8 inches (299 mm) of precipitation a year. The wettest month is June and the driest is December.

The best time to visit St. Marie is June to September. At 2,753 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

More about St. Marie

Weather in towns near St. Marie

Questions about the weather in St. Marie

What is the hottest month in St. Marie?

July, with an average high of 85°F (29°C).

What is the coldest month in St. Marie?

January, with an average low of 6°F (-15°C).

How much does it rain in St. Marie?

About 11.8 inches (299 mm) a year; the wettest month is June.

Does it snow in St. Marie?

Snow is very rare or not recorded at the nearest weather station.

When is the best time to visit St. Marie?

June to September, when temperatures are most pleasant and rainy days are fewer.

What climate does St. Marie have?

Cold semi-arid (Köppen BSk).

What is the weather like in St. Marie in November?

Highs average 39°F and lows 20°F, with about 0.3 inches of precipitation.

What time is sunrise in St. Marie?

Around 7:12 AM in mid-November, and sunset around 4:28 PM. Today’s exact times are shown above.

Where does this St. Marie weather forecast come from?

From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of St. Marie.

All about St. Marie ›

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