Monthly weather forecast and climate
Hysham, MT

January, the same as December, in Hysham, Montana, is a freezing cold winter month, with average temperature fluctuating between 30.9°F (-0.6°C) and 17.4°F (-8.1°C). January and December, with an average high-temperature of 30.9°F (-0.6°C), are the coldest months. Weather in January »

The last month of the winter, February, is a cold month in Hysham, Montana, with temperature in the range of an average low of 17.8°F (-7.9°C) and an average high of 32°F (0°C). In Hysham, the average high-temperature in February is relatively the same as in January - a cold 32°F (0°C). Weather in February »

The first month of the spring, March, is a chilly month in Hysham, Montana, with average temperature ranging between max 45.3°F (7.4°C) and min 29.3°F (-1.5°C). In Hysham, the average high-temperature rises, from a cold 32°F (0°C) in February, to a frosty 45.3°F (7.4°C). Weather in March »

April in Hysham, Montana, is a cool spring month, with average temperature fluctuating between 55.2°F (12.9°C) and 37.6°F (3.1°C). In Hysham, Montana, the average high-temperature rises, from a chilly 45.3°F (7.4°C) in March, to a cool 55.2°F (12.9°C). Weather in April »

The last month of the spring, May, is a comfortable month in Hysham, Montana, with average temperature varying between 46.2°F (7.9°C) and 65.8°F (18.8°C). In May, the average high-temperature rises, from a fresh 55.2°F (12.9°C) in April, to a comfortable 65.8°F (18.8°C). Weather in May »

The first month of the summer, June, is a warm month in Hysham, Montana, with average temperature fluctuating between 77°F (25°C) and 55.6°F (13.1°C). In June, the average high-temperature rises, from an enjoyable 65.8°F (18.8°C) in May, to a warm 77°F (25°C). Weather in June »

July in Hysham, Montana, is a hot summer month, with average temperature fluctuating between 86.5°F (30.3°C) and 64.2°F (17.9°C). The warmest month is July, with an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 64.2°F (17.9°C). The average heat index in July is estimated at a hot 86°F (30°C). Weather in July »

The last month of the summer, August, is another warm month in Hysham, Montana, with average temperature varying between 84.6°F (29.2°C) and 63.1°F (17.3°C). In August, the average high-temperature is practically the same as in July - a moderately hot 84.6°F (29.2°C). Weather in August »

September, the first month of the autumn, in Hysham, is still a warm month, with average temperature fluctuating between 74.5°F (23.6°C) and 54.9°F (12.7°C). In Hysham, the average high-temperature decreases, from 84.6°F (29.2°C) in August, to a still warm 74.5°F (23.6°C). Weather in September »

October, the same as September, in Hysham, Montana, is another mild autumn month, with average temperature varying between 41.4°F (5.2°C) and 57.2°F (14°C). In October, the average high-temperature significantly decreases, from a moderately hot 74.5°F (23.6°C) in September, to a moderate 57.2°F (14°C). Weather in October »

November, the last month of the autumn, in Hysham, is another chilly month, with average temperature fluctuating between 43.7°F (6.5°C) and 29.1°F (-1.6°C). In November, the average high-temperature decreases, from a moderate 57.2°F (14°C) in October, to a chilly 43.7°F (6.5°C). Weather in November »

The first month of the winter, December, is also a subzero cold month in Hysham, Montana, with average temperature ranging between max 30.9°F (-0.6°C) and min 18.3°F (-7.6°C). The coldest months are January and December, with an average high-temperature of 30.9°F (-0.6°C). Weather in December »

What are the coldest months in Hysham?

The coldest months in Hysham are January and December, with an average high-temperature of 30.9°F (-0.6°C).

What is the most humid month in Hysham?

January is the most humid month in Hysham, Montana, with an average relative humidity of 79%.

How many days does it rain in Hysham?

In Hysham, Montana, during the entire year, the rain falls for 99.5 days and collects up to 11.06" (281mm) of precipitation.

What is the driest month in Hysham?

January, November and December are months with the least rain when the rain falls for 4.2 days and typically aggregates up to 0.47" (12mm) of rain.

When does it snow in Hysham?

January through May, September through December are months with snowfall in Hysham, Montana.

How many days does it snow in Hysham?

Throughout the year, in Hysham, Montana, there are 47 snowfall days, and 15.83" (402mm) of snow is accumulated.

What is the snowiest month in Hysham?

The month with the most snowfall in Hysham is February when snow falls for 10.3 days and typically aggregates up to 3.74" (95mm) of snow.

What is the month with the least sunshine in Hysham?

Months with the least sunshine in Hysham are February and December, with an average of 5.3h of sunshine.

What is the rainiest month in Hysham?

The month with the most rainfall is May when the rain falls for 13.7 days and typically aggregates up to 1.81" (46mm) of precipitation.

When it does not snow in Hysham?

June through August are months without snowfall in Hysham, Montana.

When are the longest days in Hysham?

With an average of 15.7h of daylight, June has the longest days of the year in Hysham, Montana.

What is the warmest month in Hysham?

With an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 64.2°F (17.9°C), July is the warmest month in Hysham, Montana.

What month has the most sunshine in Hysham?

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

When is the highest UV index in Hysham?

July is the month with the highest UV index in Hysham, with an average maximum UV index of 7.

What is the least humid month in Hysham?

The least humid month in Hysham, Montana, is August, with an average relative humidity of 38%.

What is the month with the shortest days in Hysham?

The month with the shortest days is December, with an average of 8.7h of daylight.

What is the month with the lowest UV index in Hysham?

December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature - Hysham, MT
Average pressure - Hysham, MT

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is June (29.84").

Average wind speed - Hysham, MT

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is July (8.2mph).

Average rainfall - Hysham, MT

The wettest month (with the highest rainfall) is May (1.81").
The driest months (with the least rainfall) are January, November and December (0.47").

Average rainfall days - Hysham, MT

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (3.8 days).

Average snowfall - Hysham, MT
Average snowfall days - Hysham, MT

The month with the highest number of snowfall days is February (10.3 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - Hysham, MT

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

The month with the most sunshine is July (Average sunshine: 11.8h).
Months with the least sunshine are February and December (Average sunshine: 5.3).

Average sunshine days - Hysham, MT

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is April (14.2 days).

Average visibility - Hysham, MT

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).