Harlem
Montana, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Harlem, MT

January, like December, is another subzero cold winter month in Harlem, Montana, with average temperature varying between 14.2°F (-9.9°C) and 26.8°F (-2.9°C). In January, the average high-temperature is almost the same as in December - a still freezing cold 26.8°F (-2.9°C). Weather in January »

February, the last month of the winter, in Harlem, is also a subzero cold month, with average temperature fluctuating between 26.2°F (-3.2°C) and 12.6°F (-10.8°C). With an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 12.6°F (-10.8°C), February is the coldest month. Weather in February »

The first month of the spring, March, is a cold month in Harlem, Montana, with average temperature ranging between min 24.8°F (-4°C) and max 38.8°F (3.8°C). In Harlem, the average high-temperature increases, from a freezing cold 26.2°F (-3.2°C) in February, to a wintry 38.8°F (3.8°C). Weather in March »

April in Harlem, Montana, is a cool spring month, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 52.5°F (11.4°C). In Harlem, the average high-temperature rises, from a wintry 38.8°F (3.8°C) in March, to a cool 52.5°F (11.4°C). Weather in April »

May, the last month of the spring, in Harlem, is an enjoyable month, with average temperature ranging between min 45°F (7.2°C) and max 64°F (17.8°C). In May, the average high-temperature rises, from a cool 52.5°F (11.4°C) in April, to a comfortable 64°F (17.8°C). Weather in May »

June, the first month of the summer, in Harlem, is an agreeable month, with temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 52.9°F (11.6°C). In June, the average high-temperature marginally rises, from an enjoyable 64°F (17.8°C) in May, to an agreeable 72.9°F (22.7°C). Weather in June »

July in Harlem, Montana, is a warm summer month, with average temperature varying between 59.7°F (15.4°C) and 82°F (27.8°C). The warmest month is July, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 59.7°F (15.4°C). In July, the average heat index is evaluated at 82°F (27.8°C). Weather in July »

August, the last month of the summer, in Harlem, is also a moderately hot month, with average temperature ranging between max 81.1°F (27.3°C) and min 60.3°F (15.7°C). In Harlem, Montana, the average high-temperature is almost the same as in July - a still moderately hot 81.1°F (27.3°C). Weather in August »

September, the first month of the autumn, in Harlem, is also an agreeable month, with average temperature ranging between max 70°F (21.1°C) and min 52°F (11.1°C). In September, the average high-temperature drops, from a moderately hot 81.1°F (27.3°C) in August, to an agreeable 70°F (21.1°C). Weather in September »

October, like September, in Harlem, Montana, is another fresh autumn month, with average temperature fluctuating between 53.6°F (12°C) and 38.3°F (3.5°C). In October, the average high-temperature plummets, from an agreeable 70°F (21.1°C) in September, to a cool 53.6°F (12°C). Weather in October »

The last month of the autumn, November, is another cold month in Harlem, Montana, with average temperature fluctuating between 26.8°F (-2.9°C) and 39.6°F (4.2°C). In November, the average high-temperature drops, from a fresh 53.6°F (12°C) in October, to a wintry 39.6°F (4.2°C). Weather in November »

The first month of the winter, December, is also a subzero cold month in Harlem, Montana, with average temperature fluctuating between 14.9°F (-9.5°C) and 26.6°F (-3°C). In Harlem, Montana, the average high-temperature drops, from a wintry 39.6°F (4.2°C) in November, to a freezing cold 26.6°F (-3°C). Weather in December »

What is the most humid month in Harlem?

With an average relative humidity of 82%, January is the most humid month in Harlem, Montana.

How many days does it rain in Harlem?

In Harlem, during the entire year, the rain falls for 99.1 days and collects up to 10.12" (257mm) of precipitation.

When does it snow in Harlem?

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

How much does it snow in Harlem?

Throughout the year, there are 57.6 snowfall days, and 21.69" (551mm) of snow is accumulated.

When does it snow the most in Harlem?

The month with the most snowfall in Harlem is January when snow falls for 12.4 days and typically aggregates up to 4.02" (102mm) of snow.

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

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the coldest month in Harlem?

February is the coldest month in Harlem, Montana, with an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 12.6°F (-10.8°C).

What is the driest month in Harlem?

Months with the least rainfall in Harlem are February, March and December Rain falls for 4.6 days and accumulates 0.55" (14mm) of rain.

What is the month with the least sunshine in Harlem?

With an average of 5.2h of sunshine, February has the least sunshine of the year in Harlem.

What is the rainiest month in Harlem?

The month with the most rainfall is June when the rain falls for 13 days and typically aggregates up to 1.85" (47mm) of precipitation.

When it does not snow in Harlem?

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

When are the longest days in Harlem?

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

What are the months with the highest UV index in Harlem?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Harlem.

What is the warmest month in Harlem?

The warmest month is July, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 59.7°F (15.4°C).

What month has the most sunshine in Harlem?

With an average of 12h of sunshine, July has the most sunshine of the year in Harlem, Montana.

What is the least humid month in Harlem?

August is the least humid month in Harlem, with an average relative humidity of 42%.

What is the month with the shortest days in Harlem?

December has the shortest days of the year in Harlem, with an average of 8.4h of daylight.
Average rainfall - Harlem, MT

The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are February, March and December (0.55").

Average rainfall days - Harlem, MT
Average snowfall - Harlem, MT
Average snowfall days - Harlem, MT

The month with the highest number of snowfall days is January (12.4 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - Harlem, 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: 12h).
The month with the least sunshine is February (Average sunshine: 5.2h).

Average UV index - Harlem, MT