Climate and monthly weather forecast
Frankfort, SD

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Weather in January

January, the same as December, in Frankfort, South Dakota, is another subzero cold winter month, with an average temperature varying between 22.5°F (-5.3°C) and 7.9°F (-13.4°C). The month of January sees the lowest average temperatures, reaching 22.5°F (-5.3°C) at the peak and 7.9°F (-13.4°C) at the low. Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Frankfort, South Dakota, with temperature in the range of an average low of 11.5°F (-11.4°C) and an average high of 25.7°F (-3.5°C). With the transition into February, Frankfort notes an average high-temperature of a still subzero cold 25.7°F (-3.5°C), closely resembling January. Weather in February »

Weather in March

March, the first month of the spring in Frankfort, is a cold month, with an average temperature ranging between max 41.5°F (5.3°C) and min 25.9°F (-3.4°C). With the onset of March, Frankfort's average high-temperature experiences a noticeable rise, advancing from February's subzero cold 25.7°F (-3.5°C) to a wintry 41.5°F (5.3°C). Weather in March »

Weather in April

April is a refreshing spring month in Frankfort, South Dakota, with an average temperature ranging between max 55.4°F (13°C) and min 37.4°F (3°C). April signals a shift in the average high-temperature, moving from March's wintry 41.5°F (5.3°C) to a refreshing 55.4°F (13°C). Weather in April »

Weather in May

May, the last month of the spring in Frankfort, is a comfortable month, with an average temperature varying between 67.6°F (19.8°C) and 48.9°F (9.4°C). As April gives way to May, the average high-temperature displays an increase, moving from a refreshing 55.4°F (13°C) to a comfortable 67.6°F (19.8°C). Weather in May »

Weather in June

June, the first month of the summer in Frankfort, is a moderately hot month, with an average temperature ranging between max 78.4°F (25.8°C) and min 58.6°F (14.8°C). Frankfort's weather in June presents a rise in the average high-temperature, moving from a refreshing 67.6°F (19.8°C) in May to a warm 78.4°F (25.8°C). Weather in June »

Weather in July

July, like June, in Frankfort, South Dakota, is a moderately hot summer month, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 64°F (17.8°C). July temperatures tend to peak at an average high of 85.6°F (29.8°C) and dip to a low of 64°F (17.8°C). Throughout July, the heat index is appraised at a hot 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Frankfort, is another warm month, with an average temperature ranging between max 84.4°F (29.1°C) and min 61.3°F (16.3°C). A minor adjustment in Frankfort's average high-temperature is noted with the start of August, touching a still moderately hot 84.4°F (29.1°C) from July's 85.6°F (29.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Frankfort, South Dakota, with an average temperature fluctuating between 54.5°F (12.5°C) and 75.9°F (24.4°C). A modest decline in the average high-temperature is seen during September, decreasing from 84.4°F (29.1°C) in August to a still warm 75.9°F (24.4°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Frankfort, South Dakota, with an average temperature fluctuating between 41.2°F (5.1°C) and 57.9°F (14.4°C). The onset of October brings a distinct decrease in the average high-temperature, receding from a warm 75.9°F (24.4°C) in September to a refreshing 57.9°F (14.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Frankfort, South Dakota, with an average temperature varying between 28.6°F (-1.9°C) and 43.5°F (6.4°C). The shift from October to November is characterized by a clear decrease in the average high-temperature, reducing from a moderate 57.9°F (14.4°C) to a frosty 43.5°F (6.4°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Frankfort, South Dakota, with temperature in the range of an average high of 26.4°F (-3.1°C) and an average low of 14.2°F (-9.9°C). The arrival of December brings a significant change in Frankfort's weather, with average high-temperatures dropping from November's chilly 43.5°F (6.4°C) to a subzero cold 26.4°F (-3.1°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in Frankfort?

With average high temperatures of 22.5°F (-5.3°C) and lows of 7.9°F (-13.4°C), January is the coldest month.

What is the most humid month in Frankfort?

January is the most humid month, with an average relative humidity of 88%.

What is the driest month in Frankfort?

January is the month with the least rainfall in Frankfort. Rain falls for 2.5 days and accumulates 0.51" (13mm) of precipitation.

How many days does it rain in Frankfort?

Throughout the year, in Frankfort, South Dakota, there are 97.6 rainfall days, and 17.83" (453mm) of precipitation is accumulated.

When does it snow in Frankfort?

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

How many days does it snow in Frankfort?

In Frankfort, during the entire year, snow falls for 43.7 days and aggregates up to 18.66" (474mm) of snow.

What is the month with the least sunshine in Frankfort?

January has the least sunshine of the year, with an average of 4.1h of sunshine.

When is the lowest UV index in Frankfort?

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

When does it snow the most in Frankfort?

February is the month with the most snowfall. Snow falls for 8.9 days and accumulates 4.09" (104mm) of snow.

When is Daylight Saving Time (DST) in Frankfort?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Frankfort, South Dakota, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow in Frankfort?

May through September are months without snowfall in Frankfort.

What is the rainiest month in Frankfort?

The month with the most rainfall in Frankfort is June, when the rain falls for 15.1 days and typically aggregates up to 3.03" (77mm) of precipitation.

When are the longest days in Frankfort?

With an average of 15h and 30min of daylight, June has the longest days of the year in Frankfort, South Dakota.

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

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

What is the warmest month in Frankfort?

In Frankfort, the average temperatures in July are the highest, with a peak at 85.6°F (29.8°C) and a low of 64°F (17.8°C).

What month has the most sunshine in Frankfort?

With an average of 11.2h of sunshine, July has the most sunshine of the year.

What is the least humid month in Frankfort?

With an average relative humidity of 60%, September is the least humid month in Frankfort.

What is the month with the shortest days in Frankfort?

With an average of 8h and 54min of daylight, December has the shortest days of the year in Frankfort, South Dakota.

Average temperature
Frankfort, SD

Average temperature - Frankfort, SD

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (22.5°F).

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).

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Average pressure
Frankfort, SD

Average pressure - Frankfort, SD

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

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Average wind speed
Frankfort, SD

Average wind speed - Frankfort, SD

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).

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Average humidity
Frankfort, SD

Average humidity - Frankfort, SD

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (60%).

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Average rainfall
Frankfort, SD

Average rainfall - Frankfort, SD

The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days
Frankfort, SD

Average rainfall days - Frankfort, SD

The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is February (1.9 days).

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Average snowfall
Frankfort, SD

Average snowfall - Frankfort, SD

The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Frankfort, SD

Average snowfall days - Frankfort, SD

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Frankfort, SD

Average daylight / Average sunshine - Frankfort, SD

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

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days
Frankfort, SD

Average sunshine days - Frankfort, SD

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12.2 days).

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Average UV index
Frankfort, SD

Average UV index - Frankfort, SD

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

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Average visibility
Frankfort, SD

Average visibility - Frankfort, SD

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

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Frankfort, South Dakota, USA

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