Climate and monthly weather forecast
Ralph, SD

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Weather in January

January, the same as December, in Ralph, South Dakota, is a freezing cold winter month, with temperature in the range of an average high of 25.5°F (-3.6°C) and an average low of 12°F (-11.1°C). January, known for its average high temperature of 25.5°F (-3.6°C) and an average low temperature of 12°F (-11.1°C), is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Ralph, is another freezing cold month, with an average temperature ranging between max 27°F (-2.8°C) and min 13.3°F (-10.4°C). Ralph, South Dakota, records an average high-temperature of a still freezing cold 27°F (-2.8°C) in February, maintaining a close correlation with January's 25.5°F (-3.6°C). Weather in February »

Weather in March

March, the first month of the spring in Ralph, is an icy month, with an average temperature fluctuating between 26.1°F (-3.3°C) and 41.4°F (5.2°C). March's arrival signals a distinct temperature shift, escalating from a subzero cold 27°F (-2.8°C) in February to a wintry 41.4°F (5.2°C). Weather in March »

Weather in April

April in Ralph, South Dakota, is a cool spring month, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 52°F (11.1°C). The onset of April marks an increase in the average high-temperature, moving from a wintry 41.4°F (5.2°C) in March to a cool 52°F (11.1°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Ralph, South Dakota, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 64.2°F (17.9°C). May's arrival brings a temperature shift, moving from a fresh 52°F (11.1°C) in April to a refreshing 64.2°F (17.9°C). Weather in May »

Weather in June

June, the first month of the summer in Ralph, is a warm month, with an average temperature varying between 75.9°F (24.4°C) and 55.4°F (13°C). Ralph, South Dakota, in June shows a temperature shift, moving from an average high of a refreshing 64.2°F (17.9°C) in May to a moderately hot 75.9°F (24.4°C). Weather in June »

Weather in July

July, like June, in Ralph, South Dakota, is a moderately hot summer month, with an average temperature fluctuating between 84.7°F (29.3°C) and 62.4°F (16.9°C). Ralph's July weather, with an average high temperature of 84.7°F (29.3°C) and an average low temperature of 62.4°F (16.9°C), tends to be the warmest of the year. Throughout July, the heat index is calculated to be a tropical 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Ralph, South Dakota, with an average temperature fluctuating between 82.4°F (28°C) and 61.7°F (16.5°C). August begins with an average high-temperature of a still moderately hot 82.4°F (28°C), reflecting close similarity to the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Ralph, South Dakota, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 53.4°F (11.9°C). A subtle decrease in the average high-temperature marks September, falling from August's moderately hot 82.4°F (28°C) to an agreeable 73°F (22.8°C). Weather in September »

Weather in October

October, like September, in Ralph, South Dakota, is another fresh autumn month, with an average temperature ranging between max 54.5°F (12.5°C) and min 38.8°F (3.8°C). As Ralph, South Dakota, steps into October, a marked temperature drop is observed, with the average high-temperature reducing from September's pleasant 73°F (22.8°C) to a cool 54.5°F (12.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Ralph, is also a wintry month, with an average temperature fluctuating between 41.2°F (5.1°C) and 27.1°F (-2.7°C). In the transition to November, Ralph observes a drop in the average high-temperature, moving from a cool 54.5°F (12.5°C) in October to an icy 41.2°F (5.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Ralph, South Dakota, with an average temperature fluctuating between 14.4°F (-9.8°C) and 26.2°F (-3.2°C). The onset of December brings a distinct decrease in the average high-temperature, receding from a wintry 41.2°F (5.1°C) in November to a freezing cold 26.2°F (-3.2°C). Weather in December »
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Frequently asked questions

What month is the coldest in Ralph?

Ralph's coldest weather arrives in January, when temperatures average a high of 25.5°F (-3.6°C) and a low of 12°F (-11.1°C).

What is the most humid month in Ralph?

With an average relative humidity of 84%, January is the most humid month in Ralph, South Dakota.

What is the driest month in Ralph?

The months with the least rainfall in Ralph, South Dakota, are January and November Rain falls for 4.2 days and accumulates 0.51" (13mm) of rain.

How much does it rain in Ralph?

Throughout the year, in Ralph, there are 104.8 rainfall days, and 15.2" (386mm) of precipitation is accumulated.

When does it snow in Ralph?

January through June, October through December are months with snowfall in Ralph.

How much does it snow in Ralph?

In Ralph, South Dakota, during the entire year, snow falls for 67.2 days and aggregates up to 24.69" (627mm) of snow.

When does it snow the most in Ralph?

February is the month with the most snowfall in Ralph, South Dakota. Snow falls for 13.5 days and accumulates 4.84" (123mm) of snow.

What is the month with the least sunshine in Ralph?

With an average of 4.6h of sunshine, February has the least sunshine of the year in Ralph.

When is Daylight Saving Time (DST) in Ralph?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 wettest month in Ralph?

May is the month with the most rainfall. Rain falls for 15.3 days and accumulates 2.48" (63mm) of precipitation.

When are the longest days in Ralph?

With an average of 15h and 42min of daylight, June has the longest days of the year.

What is the month with the highest UV index in Ralph?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Ralph.

What is the warmest month in Ralph?

Ralph's warmest weather arrives in July, when temperatures average a high of 84.7°F (29.3°C) and a low of 62.4°F (16.9°C).

When it does not snow in Ralph?

In Ralph, South Dakota, snow does not fall in July through September.

What month has the most sunshine in Ralph?

The month with the most sunshine is July, with an average of 11.5h of sunshine.

What is the least humid month in Ralph?

August is the least humid month in Ralph, with an average relative humidity of 50%.

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

The month with the lowest UV index in Ralph, South Dakota, is November, with an average maximum UV index of 1.

What is the month with the shortest days in Ralph?

The month with the shortest days in Ralph, South Dakota, is December, with an average of 8h and 42min of daylight.

Average pressure
Ralph, SD

Average pressure - Ralph, SD

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed
Ralph, SD

Average wind speed - Ralph, SD

The windiest months (with the highest average wind speed) are January and October (11.7mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).

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Average rainfall
Ralph, SD

Average rainfall - Ralph, SD

The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are January and November (0.51").

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Average rainfall days
Ralph, SD

Average rainfall days - Ralph, SD

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is November (3 days).

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Average snowfall
Ralph, SD

Average snowfall - Ralph, SD

The month with the highest snowfall is February (4.84").
The months with the least snowfall are July, August and September (0").

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Average snowfall days
Ralph, SD

Average snowfall days - Ralph, SD

The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight / Average sunshine
Ralph, SD

Average daylight / Average sunshine - Ralph, SD

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days
Ralph, SD

Average sunshine days - Ralph, SD

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is April (11.8 days).

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Average visibility
Ralph, SD

Average visibility - Ralph, SD

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

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Ralph, South Dakota, USA

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