Lake McDonald
Montana, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Lake McDonald, MT

January, like December, is another subzero cold winter month in Lake McDonald, Montana, with average temperature ranging between max 27.1°F (-2.7°C) and min 14.4°F (-9.8°C). In January, the average high-temperature is relatively the same as in December - a still subzero cold 27.1°F (-2.7°C). Weather in January »

February, the last month of the winter, in Lake McDonald, is also a subzero cold month, with average temperature ranging between max 28.2°F (-2.1°C) and min 13.5°F (-10.3°C). In Lake McDonald, the average high-temperature is practically the same as in January - a still freezing cold 28.2°F (-2.1°C). Weather in February »

The first month of the spring, March, is a cold month in Lake McDonald, Montana, with average temperature fluctuating between 36.1°F (2.3°C) and 21.6°F (-5.8°C). In March, the average high-temperature slightly increases, from a freezing cold 28.2°F (-2.1°C) in February, to a wintry 36.1°F (2.3°C). Weather in March »

April in Lake McDonald, Montana, is a chilly spring month, with average temperature varying between 46.6°F (8.1°C) and 28°F (-2.2°C). In Lake McDonald, Montana, the average high-temperature increases, from a wintry 36.1°F (2.3°C) in March, to a chilly 46.6°F (8.1°C). Weather in April »

May, the last month of the spring, in Lake McDonald, is a mild month, with average temperature varying between 59.5°F (15.3°C) and 35.2°F (1.8°C). In May, the average high-temperature increases, from a frosty 46.6°F (8.1°C) in April, to a moderate 59.5°F (15.3°C). Weather in May »

The first month of the summer, June, is a comfortable month in Lake McDonald, Montana, with average temperature varying between 41.2°F (5.1°C) and 66.4°F (19.1°C). In June, the average high-temperature marginally rises, from a moderate 59.5°F (15.3°C) in May, to a comfortable 66.4°F (19.1°C). Weather in June »

July is a moderately hot summer month in Lake McDonald, Montana, with average temperature varying between 45.1°F (7.3°C) and 77.9°F (25.5°C). July is the warmest month, with an average high-temperature of 77.9°F (25.5°C) and an average low-temperature of 45.1°F (7.3°C). Weather in July »

August, the last month of the summer, in Lake McDonald, is another warm month, with temperature in the range of an average high of 76.8°F (24.9°C) and an average low of 45.5°F (7.5°C). In Lake McDonald, the average high-temperature is almost the same as in July - a still moderately hot 76.8°F (24.9°C). Weather in August »

The first month of the autumn, September, is still a comfortable month in Lake McDonald, Montana, with average temperature ranging between max 65.5°F (18.6°C) and min 39.2°F (4°C). In Lake McDonald, the average high-temperature decreases, from a moderately hot 76.8°F (24.9°C) in August, to a comfortable 65.5°F (18.6°C). Weather in September »

October, like September, is another chilly autumn month in Lake McDonald, Montana, with average temperature varying between 30.7°F (-0.7°C) and 48.4°F (9.1°C). In October, the average high-temperature significantly decreases, from a comfortable 65.5°F (18.6°C) in September, to a frosty 48.4°F (9.1°C). Weather in October »

November, the last month of the autumn, in Lake McDonald, is another cold month, with average temperature fluctuating between 23°F (-5°C) and 34.5°F (1.4°C). In November, the average high-temperature decreases, from a frosty 48.4°F (9.1°C) in October, to a cold 34.5°F (1.4°C). Weather in November »

December, the first month of the winter, in Lake McDonald, is still a freezing cold month, with average temperature ranging between min 13.8°F (-10.1°C) and max 25.7°F (-3.5°C). With an average high-temperature of 25.7°F (-3.5°C) and an average low-temperature of 13.8°F (-10.1°C), December is the coldest month. Weather in December »

What is the most humid month in Lake McDonald?

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

How many days does it rain in Lake McDonald?

In Lake McDonald, during the entire year, the rain falls for 126.4 days and collects up to 11.22" (285mm) of precipitation.

When does it snow in Lake McDonald?

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

How much does it snow in Lake McDonald?

Throughout the year, in Lake McDonald, there are 97 snowfall days, and 33.86" (860mm) of snow is accumulated.

When does it snow the most in Lake McDonald?

January is the month with the most snowfall in Lake McDonald. Snow falls for 18.9 days and accumulates 7.72" (196mm) of snow.

What is the month with the least sunshine in Lake McDonald?

The month with the least sunshine in Lake McDonald, Montana, is January, with an average of 3.5h of sunshine.

When is the lowest UV index in Lake McDonald?

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 Lake McDonald?

The month with the most rainfall in Lake McDonald, Montana, is June when the rain falls for 13.7 days and typically aggregates up to 1.42" (36mm) of precipitation.

When it does not snow in Lake McDonald?

June through August are months without snowfall.

When are the longest days in Lake McDonald?

With an average of 16.1h of daylight, June has the longest days of the year.

What is the warmest month in Lake McDonald?

With an average high-temperature of 77.9°F (25.5°C) and an average low-temperature of 45.1°F (7.3°C), July is the warmest month in Lake McDonald.

What month has the most sunshine in Lake McDonald?

With an average of 11.9h of sunshine, July has the most sunshine of the year in Lake McDonald.

When is the highest UV index in Lake McDonald?

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

What is the least humid month in Lake McDonald?

With an average relative humidity of 55%, August is the least humid month in Lake McDonald.

What is the driest month in Lake McDonald?

August is the month with the least rainfall in Lake McDonald. Rain falls for 6.3 days and accumulates 0.43" (11mm) of precipitation.

What is the coldest month in Lake McDonald?

The coldest month in Lake McDonald, Montana, is December, with an average high-temperature of 25.7°F (-3.5°C) and an average low-temperature of 13.8°F (-10.1°C).

What is the month with the shortest days in Lake McDonald?

With an average of 8.4h of daylight, December has the shortest days of the year.
Average temperature - Lake McDonald, MT
Average humidity - Lake McDonald, MT
Average rainfall - Lake McDonald, MT
Average rainfall days - Lake McDonald, MT

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (6.3 days).

Average snowfall - Lake McDonald, MT
Average snowfall days - Lake McDonald, MT

The month with the highest number of snowfall days is December (19.1 days).
Months with the least snowfall days are July and August (0 days).

Average daylight / Average sunshine - Lake McDonald, MT

The month with the longest days is June (Average daylight: 16.1h).
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: 3.5h).

Average UV index - Lake McDonald, MT