Climate and monthly weather forecast
Grassy Butte, ND

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Weather in January

January, like December, is another subzero cold winter month in Grassy Butte, North Dakota, with an average temperature fluctuating between 7.3°F (-13.7°C) and 21.4°F (-5.9°C). The lowest temperatures are recorded in January, with averages reaching a high of 21.4°F (-5.9°C) and a low of 7.3°F (-13.7°C). Weather in January »

Weather in February

February, the last month of the winter in Grassy Butte, is also a subzero cold month, with temperature in the range of an average low of 7.7°F (-13.5°C) and an average high of 21.6°F (-5.8°C). Grassy Butte, North Dakota, experiences a recorded average high-temperature of a still freezing cold 21.6°F (-5.8°C) in February, closely aligned with January's 21.4°F (-5.9°C). Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Grassy Butte, North Dakota, with an average temperature fluctuating between 37.9°F (3.3°C) and 23°F (-5°C). March is marked by a distinct increase in the average high-temperature, climbing from a freezing cold 21.6°F (-5.8°C) in February to a wintry 37.9°F (3.3°C). Weather in March »

Weather in April

April in Grassy Butte, North Dakota, is a fresh spring month, with temperature in the range of an average low of 34.5°F (1.4°C) and an average high of 51.3°F (10.7°C). The shift into April is accompanied by a temperature increase, with the average high-temperature rising from a wintry 37.9°F (3.3°C) in March to a cool 51.3°F (10.7°C). Weather in April »

Weather in May

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

Weather in June

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

Weather in July

July, the same as June, is a moderately hot summer month in Grassy Butte, North Dakota, with an average temperature varying between 61°F (16.1°C) and 83.1°F (28.4°C). July is the month when Grassy Butte's temperatures reach their peak, with averages of 83.1°F (28.4°C) and lows of 61°F (16.1°C). The heat index value for July is estimated at 84.2°F (29°C). Weather in July »

Weather in August

August, the last month of the summer in Grassy Butte, is another warm month, with an average temperature varying between 60.4°F (15.8°C) and 81.9°F (27.7°C). Grassy Butte's weather, upon August's arrival, documents an average high-temperature of a still moderately hot 81.9°F (27.7°C), nearly identical to the prior month. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Grassy Butte, North Dakota, with an average temperature ranging between min 52.2°F (11.2°C) and max 71.2°F (21.8°C). September's arrival correlates with a reduction in the average high-temperature, down from a moderately hot 81.9°F (27.7°C) in August to a pleasant 71.2°F (21.8°C). Weather in September »

Weather in October

October, like September, in Grassy Butte, North Dakota, is a cool autumn month, with an average temperature fluctuating between 53.2°F (11.8°C) and 38.5°F (3.6°C). Grassy Butte in October experiences a marked decrease in the average high-temperature, descending from September's pleasant 71.2°F (21.8°C) to a cool 53.2°F (11.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Grassy Butte, North Dakota, with an average temperature fluctuating between 37.8°F (3.2°C) and 25.2°F (-3.8°C). A shift in Grassy Butte's weather is noticeable as October turns into November, with the average high temperature decreasing from a cool 53.2°F (11.8°C) to a cold 37.8°F (3.2°C). Weather in November »

Weather in December

December, the first month of the winter in Grassy Butte, is also a subzero cold month, with temperature in the range of an average high of 23.2°F (-4.9°C) and an average low of 11.3°F (-11.5°C). December's onset brings a clear reduction in the average high-temperature, falling from an icy 37.8°F (3.2°C) in November to a freezing cold 23.2°F (-4.9°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Grassy Butte?

In Grassy Butte, the lowest temperatures are generally noted in January, averaging a high of 21.4°F (-5.9°C) and a low of 7.3°F (-13.7°C).

What is the most humid month in Grassy Butte?

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

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.

How many days does it rain in Grassy Butte?

Throughout the year, there are 91.6 rainfall days, and 12.64" (321mm) of precipitation is accumulated.

When does it snow in Grassy Butte?

January through May, October through December are months with snowfall in Grassy Butte.

How much does it snow in Grassy Butte?

In Grassy Butte, North Dakota, 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?

The 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.

When is Daylight Saving Time (DST) in Grassy Butte?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Grassy Butte, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.

What is the rainiest month in Grassy Butte?

The month with the most rainfall in Grassy Butte, North Dakota, 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?

The month with the longest days is June, with an average of 15h and 54min of daylight.

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

The months with the highest UV index in Grassy Butte, North Dakota, are June through August, with an average maximum UV index of 6.

What part of the year is the hottest in Grassy Butte?

The warmest time of the year is July, with temperatures averaging a high of 83.1°F (28.4°C) and a low of 61°F (16.1°C).

What month has the most sunshine in Grassy Butte?

July has the most sunshine of the year in Grassy Butte, North Dakota, with an average of 11.6h of sunshine.

What is the least humid month in Grassy Butte?

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

What is the snowiest month in Grassy Butte?

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

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

With an average of 8h and 30min of daylight, December has the shortest days of the year.

Average temperature
Grassy Butte, ND

Average temperature - Grassy Butte, ND

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (21.4°F).

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).

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Average pressure
Grassy Butte, ND

Average pressure - Grassy Butte, ND

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

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Average wind speed
Grassy Butte, ND

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).

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Average humidity
Grassy Butte, ND

Average humidity - Grassy Butte, ND

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (49%).

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Average rainfall
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").

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Average rainfall days
Grassy Butte, ND

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).

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Average snowfall
Grassy Butte, ND

Average snowfall - Grassy Butte, ND

The month with the highest snowfall is December (3.07").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Grassy Butte, ND

Average snowfall days - Grassy Butte, ND

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

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Average daylight / Average sunshine
Grassy Butte, ND

Average daylight / Average sunshine - Grassy Butte, ND

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).

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Average sunshine days
Grassy Butte, ND

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).

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Average UV index
Grassy Butte, ND

Average UV index - Grassy Butte, ND

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).

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Average visibility
Grassy Butte, ND

Average visibility - Grassy Butte, ND

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

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Grassy Butte, North Dakota, USA

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