Monthly weather forecast and climate
Grassy Butte, ND

January, like December, is another subzero cold winter month in Grassy Butte, North Dakota, with average temperature varying between 21.4°F (-5.9°C) and 7.3°F (-13.7°C). The coldest month is January, with an average high-temperature of 21.4°F (-5.9°C) and an average low-temperature of 7.3°F (-13.7°C). Weather in January »

The last month of the winter, February, is also a subzero cold month in Grassy Butte, North Dakota, with average temperature varying between 21.6°F (-5.8°C) and 7.7°F (-13.5°C). In Grassy Butte, the average high-temperature in February is practically the same as in January - a still subzero cold 21.6°F (-5.8°C). Weather in February »

March, the first month of the spring, in Grassy Butte, is a wintry month, with temperature in the range of an average high of 37.9°F (3.3°C) and an average low of 23°F (-5°C). In March, the average high-temperature soars, from a subzero cold 21.6°F (-5.8°C) in February, to a wintry 37.9°F (3.3°C). Weather in March »

April is a cool spring month in Grassy Butte, North Dakota, with average temperature fluctuating between 51.3°F (10.7°C) and 34.5°F (1.4°C). In Grassy Butte, the average high-temperature in April rises, from a cold 37.9°F (3.3°C) in March, to a fresh 51.3°F (10.7°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Grassy Butte, North Dakota, with average temperature varying between 46°F (7.8°C) and 64.6°F (18.1°C). In Grassy Butte, the average high-temperature rises, from a fresh 51.3°F (10.7°C) in April, to an enjoyable 64.6°F (18.1°C). Weather in May »

The first month of the summer, June, is a moderately hot month in Grassy Butte, North Dakota, with average temperature ranging between min 54.9°F (12.7°C) and max 74.8°F (23.8°C). In Grassy Butte, the average high-temperature increases, from a comfortable 64.6°F (18.1°C) in May, to a moderately hot 74.8°F (23.8°C). Weather in June »

July, the same as June, is a moderately hot summer month in Grassy Butte, North Dakota, with average temperature ranging between max 83.1°F (28.4°C) and min 61°F (16.1°C). July is the warmest month, with an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 61°F (16.1°C). The average heat index in July is appraised at 84.6°F (29.2°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Grassy Butte, North Dakota, with average temperature ranging between max 81.9°F (27.7°C) and min 60.4°F (15.8°C). In August, the average high-temperature is almost the same as in July - a still moderately hot 81.9°F (27.7°C). Weather in August »

September, the first month of the autumn, in Grassy Butte, is also an agreeable month, with average temperature varying between 71.2°F (21.8°C) and 52.2°F (11.2°C). In Grassy Butte, the average high-temperature in September decreases, from a warm 81.9°F (27.7°C) in August, to an agreeable 71.2°F (21.8°C). Weather in September »

October, like September, in Grassy Butte, North Dakota, is another fresh autumn month, with average temperature varying between 38.5°F (3.6°C) and 53.2°F (11.8°C). In October, the average high-temperature plummets, from a pleasant 71.2°F (21.8°C) in September, to a fresh 53.2°F (11.8°C). Weather in October »

November, the last month of the autumn, in Grassy Butte, is also a wintry month, with average temperature fluctuating between 37.8°F (3.2°C) and 25.2°F (-3.8°C). In November, the average high-temperature plummets, from a fresh 53.2°F (11.8°C) in October, to a wintry 37.8°F (3.2°C). Weather in November »

The first month of the winter, December, is also a subzero cold month in Grassy Butte, North Dakota, with average temperature ranging between min 11.3°F (-11.5°C) and max 23.2°F (-4.9°C). In Grassy Butte, the average high-temperature in December significantly decreases, from a wintry 37.8°F (3.2°C) in November, to a freezing cold 23.2°F (-4.9°C). Weather in December »

What is the coldest month in Grassy Butte?

With an average high-temperature of 21.4°F (-5.9°C) and an average low-temperature of 7.3°F (-13.7°C), January is the coldest month in Grassy Butte, North Dakota.

What is the most humid month in Grassy Butte?

The most humid month is January, with an average relative humidity of 89%.

How much does it rain in Grassy Butte?

In Grassy Butte, during the entire year, the rain falls for 91.6 days and collects up to 12.64" (321mm) of precipitation.

What is the driest month in Grassy Butte?

January and February are months with the least rain in Grassy Butte when the rain falls for 3.3 days and typically aggregates up to 0.43" (11mm) of rain.

When does it snow in Grassy Butte?

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

How much does it snow in Grassy Butte?

In Grassy Butte, during the entire year, snow falls for 58.2 days, and aggregates up to 16.54" (420mm) of snow.

What is the month with the least sunshine in Grassy Butte?

Months with the least sunshine are January and December, with an average of 4h of sunshine.

What are the months with the lowest UV index in Grassy Butte?

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

What is the wettest month in Grassy Butte?

The month with the most rainfall in Grassy Butte is June when the rain falls for 12.6 days and typically aggregates up to 1.85" (47mm) of precipitation.

When it does not snow in Grassy Butte?

June through September are months without snowfall.

When are the longest days in Grassy Butte?

With an average of 15.9h of daylight, June has the longest days of the year.

What is the month with the highest UV index in Grassy Butte?

Months with the highest UV index in Grassy Butte are June through August, with an average maximum UV index of 6.

What is the warmest month in Grassy Butte?

With an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 61°F (16.1°C), July is the warmest month in Grassy Butte.

What month has the most sunshine in Grassy Butte?

The month with the most sunshine is July, with an average of 11.6h of sunshine.

What is the least humid month in Grassy Butte?

August is the least humid month in Grassy Butte, North Dakota, with an average relative humidity of 49%.

What is the snowiest month in Grassy Butte?

December is the month with the most snowfall. Snow falls for 11.2 days and accumulates 3.07" (78mm) of snow.

What is the month with the shortest days in Grassy Butte?

December has the shortest days of the year, with an average of 8.5h of daylight.
Average temperature - Grassy Butte, ND
Average pressure - Grassy Butte, ND

The month with the highest atmospheric pressure is February (30.17").
The month with the lowest atmospheric pressure is June (29.84").

Average wind speed - Grassy Butte, ND

The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

Average humidity - Grassy Butte, ND
Average rainfall - Grassy Butte, ND

The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are January and February (0.43").

Average rainfall days - Grassy Butte, ND

The month with the highest number of rainy days is June (12.6 days).
The month with the least rainy days is February (2.9 days).

Average snowfall - Grassy Butte, ND
Average snowfall days - Grassy Butte, ND

Months with the highest number of snowfall days are January and December (11.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Grassy Butte, ND

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

The month with the most sunshine is July (Average sunshine: 11.6h).
Months with the least sunshine are January and December (Average sunshine: 4).

Average sunshine days - Grassy Butte, ND

The month with the most sunshine days is September (20.5 days).
The month with the least sunshine days is April (14.9 days).

Average visibility - Grassy Butte, ND

Months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January, February and December (5mi).