Monthly weather forecast and climate
Superior, MT

Weather in January

January, like December, is another subzero cold winter month in Superior, Montana, with average temperature ranging between max 30.7°F (-0.7°C) and min 17.6°F (-8°C). In Superior, the average high-temperature in January is almost the same as in December - a still subzero cold 30.7°F (-0.7°C). Weather in January »

Weather in February

February, the last month of the winter, in Superior, is another freezing cold month, with temperature in the range of an average high of 31.6°F (-0.2°C) and an average low of 17.2°F (-8.2°C). In Superior, the average high-temperature is practically the same as in January - a still subzero cold 31.6°F (-0.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Superior, Montana, with average temperature ranging between max 38.8°F (3.8°C) and min 22.6°F (-5.2°C). In March, the average high-temperature marginally rises, from a subzero cold 31.6°F (-0.2°C) in February, to a cold 38.8°F (3.8°C). Weather in March »

Weather in April

April is a chilly spring month in Superior, Montana, with temperature in the range of an average high of 47.1°F (8.4°C) and an average low of 27.9°F (-2.3°C). In Superior, the average high-temperature slightly increases, from a cold 38.8°F (3.8°C) in March, to a chilly 47.1°F (8.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in Superior, Montana, with average temperature ranging between min 34.3°F (1.3°C) and max 60.1°F (15.6°C). In May, the average high-temperature increases, from a frosty 47.1°F (8.4°C) in April, to a mild 60.1°F (15.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a comfortable month in Superior, Montana, with average temperature fluctuating between 66.9°F (19.4°C) and 40.3°F (4.6°C). In June, the average high-temperature slightly increases, from a moderate 60.1°F (15.6°C) in May, to a comfortable 66.9°F (19.4°C). Weather in June »

Weather in July

July in Superior, Montana, is a moderately hot summer month, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 78.8°F (26°C). July and August, with an average high-temperature of 78.8°F (26°C), are the warmest months. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Superior, Montana, with average temperature varying between 45.7°F (7.6°C) and 78.8°F (26°C). The warmest months are July and August, with an average high-temperature of 78.8°F (26°C). Weather in August »

Weather in September

September, the first month of the autumn, in Superior, is still a comfortable month, with average temperature fluctuating between 39.7°F (4.3°C) and 67.3°F (19.6°C). In Superior, the average high-temperature in September drops, from a moderately hot 78.8°F (26°C) in August, to an enjoyable 67.3°F (19.6°C). Weather in September »

Weather in October

October, the same as September, is a cool autumn month in Superior, Montana, with average temperature fluctuating between 31.1°F (-0.5°C) and 51.4°F (10.8°C). In Superior, the average high-temperature in October plummets, from a comfortable 67.3°F (19.6°C) in September, to a cool 51.4°F (10.8°C). Weather in October »

Weather in November

November, the last month of the autumn, in Superior, is another cold month, with average temperature fluctuating between 23.9°F (-4.5°C) and 37.9°F (3.3°C). In Superior, the average high-temperature drops, from a fresh 51.4°F (10.8°C) in October, to a cold 37.9°F (3.3°C). Weather in November »

Weather in December

December, the first month of the winter, in Superior, is still a freezing cold month, with temperature in the range of an average high of 28.9°F (-1.7°C) and an average low of 16.2°F (-8.8°C). The coldest month is December, with an average high-temperature of 28.9°F (-1.7°C) and an average low-temperature of 16.2°F (-8.8°C). Weather in December »
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FAQ

What is the most humid month in Superior?

With an average relative humidity of 93%, January is the most humid month.

How many days does it rain in Superior?

In Superior, during the entire year, the rain falls for 152.1 days and collects up to 22.09" (561mm) of precipitation.

What is the rainiest month in Superior?

January is the month with the most rainfall in Superior, Montana. Rain falls for 13.3 days and accumulates 3.11" (79mm) of precipitation.

When does it snow in Superior?

Months with snowfall are January through May, September through December.

How many days does it snow in Superior?

In Superior, Montana, during the entire year, snow falls for 90.2 days, and aggregates up to 58.15" (1477mm) of snow.

What is the month with the least sunshine in Superior?

The month with the least sunshine is January, with an average of 3.5h of sunshine.

What are the months with the lowest UV index in Superior?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

When does it snow the most in Superior?

The month with the most snowfall in Superior, Montana, is February when snow falls for 17.9 days and typically aggregates up to 15.12" (384mm) of snow.

When it does not snow in Superior?

In Superior, Montana, snow does not fall in June through August.

When are the longest days in Superior?

The month with the longest days in Superior is June, with an average of 15.9h of daylight.

What are the warmest months in Superior?

July and August, with an average high-temperature of 78.8°F (26°C), are warmest months.

What is the least humid month in Superior?

Months with the lowest humidity in Superior are July and August, with an average relative humidity of 53%.

What month has the most sunshine in Superior?

With an average of 11.8h of sunshine, July has the most sunshine of the year in Superior.

What is the month with the highest UV index in Superior?

July is the month with the highest UV index, with an average maximum UV index of 6.

What is the driest month in Superior?

The month with the least rainfall in Superior is August when the rain falls for 5.9 days and typically collects 0.39" (10mm) of precipitation.

What is the coldest month in Superior?

The coldest month is December, with an average high-temperature of 28.9°F (-1.7°C) and an average low-temperature of 16.2°F (-8.8°C).

What is the month with the shortest days in Superior?

December has the shortest days of the year, with an average of 8.6h of daylight.

Average temperature
Superior, MT

Average temperature - Superior, MT

The warmest months (with the highest average high temperature) are July and August (78.8°F).
The month with the lowest average high temperature is December (28.9°F).

The month with the highest average low temperature is August (45.7°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).

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Average pressure
Superior, MT

Average pressure - Superior, MT

The month with the highest atmospheric pressure is January (30.19").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed
Superior, MT

Average wind speed - Superior, MT

The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest month (with the lowest average wind speed) is December (4mph).

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Average humidity
Superior, MT

Average humidity - Superior, MT

The month with the highest relative humidity is January (93%).
Months with the lowest relative humidity are July and August (53%).

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Average rainfall
Superior, MT

Average rainfall - Superior, MT

The wettest month (with the highest rainfall) is January (3.11").
The driest month (with the least rainfall) is August (0.39").

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Average rainfall days
Superior, MT

Average rainfall days - Superior, MT

The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (5.9 days).

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Average snowfall
Superior, MT

Average snowfall - Superior, MT

The month with the highest snowfall is February (15.12").
Months with the least snowfall are June, July and August (0").

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Average snowfall days
Superior, MT

Average snowfall days - Superior, MT

The month with the highest number of snowfall days is December (20.4 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Superior, MT

Average daylight / Average sunshine - Superior, MT

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.6h).

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 3.5h).

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Average sunshine days
Superior, MT

Average sunshine days - Superior, MT

Months with the most sunshine days are July and August (23.3 days).
The month with the least sunshine days is March (5.8 days).

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Average visibility
Superior, MT

Average visibility - Superior, MT

Months with the highest visibility are June, July, August and September (6mi).
Months with the lowest visibility are January, February and December (3mi).

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