Monthly weather forecast and climate
La Salle, MT

January, like December, is another subzero cold winter month in La Salle, Montana, with average temperature varying between 14.7°F (-9.6°C) and 27.3°F (-2.6°C). In January, the average high-temperature is almost the same as in December - a still freezing cold 27.3°F (-2.6°C). Weather in January »

The last month of the winter, February, is another freezing cold month in La Salle, Montana, with average temperature fluctuating between 28°F (-2.2°C) and 14.4°F (-9.8°C). In February, the average high-temperature is almost the same as in January - a still freezing cold 28°F (-2.2°C). Weather in February »

The first month of the spring, March, is a wintry month in La Salle, Montana, with average temperature varying between 36.5°F (2.5°C) and 22.3°F (-5.4°C). In March, the average high-temperature slightly increases, from a freezing cold 28°F (-2.2°C) in February, to a cold 36.5°F (2.5°C). Weather in March »

April in La Salle, Montana, is a frosty spring month, with temperature in the range of an average high of 46.8°F (8.2°C) and an average low of 28.2°F (-2.1°C). In April, the average high-temperature increases, from a wintry 36.5°F (2.5°C) in March, to a chilly 46.8°F (8.2°C). Weather in April »

May, the last month of the spring, in La Salle, is a moderate month, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 59.5°F (15.3°C). In La Salle, Montana, the average high-temperature rises, from a chilly 46.8°F (8.2°C) in April, to a mild 59.5°F (15.3°C). Weather in May »

The first month of the summer, June, is a comfortable month in La Salle, Montana, with average temperature fluctuating between 66.9°F (19.4°C) and 41.9°F (5.5°C). In June, the average high-temperature marginally rises, from a moderate 59.5°F (15.3°C) in May, to an enjoyable 66.9°F (19.4°C). Weather in June »

July is a warm summer month in La Salle, Montana, with average temperature varying between 46.2°F (7.9°C) and 77.5°F (25.3°C). The warmest month is July, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 46.2°F (7.9°C). Weather in July »

The last month of the summer, August, is another warm month in La Salle, Montana, with average temperature fluctuating between 77.4°F (25.2°C) and 46.4°F (8°C). In La Salle, Montana, the average high-temperature is essentially the same as in July - a still warm 77.4°F (25.2°C). Weather in August »

The first month of the autumn, September, is also an enjoyable month in La Salle, Montana, with average temperature fluctuating between 65.7°F (18.7°C) and 39.9°F (4.4°C). In La Salle, the average high-temperature in September decreases, from a moderately hot 77.4°F (25.2°C) in August, to an enjoyable 65.7°F (18.7°C). Weather in September »

October, the same as September, in La Salle, Montana, is another chilly autumn month, with temperature in the range of an average high of 48.7°F (9.3°C) and an average low of 31.1°F (-0.5°C). In October, the average high-temperature declines considerably, from an enjoyable 65.7°F (18.7°C) in September, to a frosty 48.7°F (9.3°C). Weather in October »

The last month of the autumn, November, is also a wintry month in La Salle, Montana, with average temperature fluctuating between 34.5°F (1.4°C) and 23.5°F (-4.7°C). In November, the average high-temperature decreases, from a frosty 48.7°F (9.3°C) in October, to a cold 34.5°F (1.4°C). Weather in November »

The first month of the winter, December, is also a subzero cold month in La Salle, Montana, with average temperature ranging between min 14.7°F (-9.6°C) and max 25.9°F (-3.4°C). December is the coldest month, with an average high-temperature of 25.9°F (-3.4°C) and an average low-temperature of 14.7°F (-9.6°C). Weather in December »

What is the most humid month in La Salle?

January is the most humid month in La Salle, Montana, with an average relative humidity of 93%.

How much does it rain in La Salle?

Throughout the year, in La Salle, Montana, there are 142.8 rainfall days, and 17.36" (441mm) of precipitation is accumulated.

When does it snow in La Salle?

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

How much does it snow in La Salle?

In La Salle, Montana, during the entire year, snow falls for 104.7 days, and aggregates up to 51.34" (1304mm) of snow.

When does it snow the most in La Salle?

January is the month with the most snowfall in La Salle. Snow falls for 20.6 days and accumulates 11.3" (287mm) of snow.

What is the month with the least sunshine in La Salle?

With an average of 3.7h of sunshine, January has the least sunshine of the year in La Salle, Montana.

When is the lowest UV index in La Salle?

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

What is the wettest month in La Salle?

June is the month with the most rainfall in La Salle, Montana. Rain falls for 15.8 days and accumulates 2.05" (52mm) of precipitation.

When it does not snow in La Salle?

June through August are months without snowfall.

When are the longest days in La Salle?

June has the longest days of the year in La Salle, with an average of 16h of daylight.

What is the warmest month in La Salle?

July is the warmest month in La Salle, Montana, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 46.2°F (7.9°C).

What month has the most sunshine in La Salle?

The month with the most sunshine is July, with an average of 11.9h of sunshine.

When is the highest UV index in La Salle?

With an average maximum UV index of 5, July is the month with the highest UV index.

What is the least humid month in La Salle?

August is the least humid month in La Salle, Montana, with an average relative humidity of 55%.

What is the driest month in La Salle?

The month with the least rainfall is August when the rain falls for 6.6 days and typically collects 0.55" (14mm) of precipitation.

What is the coldest month in La Salle?

The coldest month is December, with an average high-temperature of 25.9°F (-3.4°C) and an average low-temperature of 14.7°F (-9.6°C).

What is the month with the shortest days in La Salle?

The month with the shortest days is December, with an average of 8.4h of daylight.
Average temperature - La Salle, MT
Average pressure - La Salle, MT

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.91").

Average wind speed - La Salle, MT

The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average rainfall - La Salle, MT
Average rainfall days - La Salle, MT

The month with the highest number of rainy days is April (17.9 days).
The month with the least rainy days is August (6.6 days).

Average snowfall - La Salle, MT
Average snowfall days - La Salle, MT

The month with the highest number of snowfall days is December (21.5 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - La Salle, MT

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.4h).

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is January (Average sunshine: 3.7h).

Average sunshine days - La Salle, MT

The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (6.8 days).

Average visibility - La Salle, MT