Climate and monthly weather forecast
Hayti, SD

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Weather in January

January, the same as December, in Hayti, South Dakota, is another subzero cold winter month, with an average temperature ranging between max 19.4°F (-7°C) and min 5.5°F (-14.7°C). The coldest time of the year is January, with temperatures averaging a high of 19.4°F (-7°C) and a low of 5.5°F (-14.7°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Hayti, South Dakota, with an average temperature ranging between max 22.5°F (-5.3°C) and min 8.4°F (-13.1°C). February's presence records an average high-temperature of a still freezing cold 22.5°F (-5.3°C), closely mirroring January's climate. Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Hayti, South Dakota, with an average temperature varying between 38.1°F (3.4°C) and 23.7°F (-4.6°C). As March arrives, a noticeable rise in the average high-temperature is witnessed, moving from a subzero cold 22.5°F (-5.3°C) in February to an icy 38.1°F (3.4°C). Weather in March »

Weather in April

April in Hayti, South Dakota, is a cool spring month, with an average temperature ranging between min 35.2°F (1.8°C) and max 51.6°F (10.9°C). The rise of average high-temperatures is seen in April, with an increase from an icy 38.1°F (3.4°C) in March to a cool 51.6°F (10.9°C). Weather in April »

Weather in May

May, the last month of the spring in Hayti, is a refreshing month, with an average temperature fluctuating between 46.9°F (8.3°C) and 64.6°F (18.1°C). Hayti in May sees a temperature change, with average high-temperatures moving from a fresh 51.6°F (10.9°C) in April to a comfortable 64.6°F (18.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Hayti, South Dakota, with temperature in the range of an average high of 74.5°F (23.6°C) and an average low of 56.8°F (13.8°C). The transition from May to June brings a temperature rise, with average high-temperatures increasing from a refreshing 64.6°F (18.1°C) to a warm 74.5°F (23.6°C). Weather in June »

Weather in July

July, like June, in Hayti, South Dakota, is another warm summer month, with an average temperature fluctuating between 60.8°F (16°C) and 80.8°F (27.1°C). The warmest time of the year is July, with temperatures averaging a high of 80.8°F (27.1°C) and a low of 60.8°F (16°C). The heat index value during July is calculated to be 84.2°F (29°C). Weather in July »

Weather in August

August, the last month of the summer in Hayti, is also a moderately hot month, with an average temperature fluctuating between 59°F (15°C) and 80.1°F (26.7°C). The shift into August records an average high-temperature of a still warm 80.1°F (26.7°C), subtly varied from July's 80.8°F (27.1°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Hayti, South Dakota, with an average temperature fluctuating between 71.6°F (22°C) and 51.3°F (10.7°C). The average high-temperature shows a slight dip in September, from August's warm 80.1°F (26.7°C) to an agreeable 71.6°F (22°C). Weather in September »

Weather in October

October, like September, in Hayti, South Dakota, is a cool autumn month, with an average temperature ranging between max 54.3°F (12.4°C) and min 39°F (3.9°C). A decrease in the average high-temperature marks October, falling from September's pleasant 71.6°F (22°C) to a cool 54.3°F (12.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Hayti, South Dakota, with an average temperature ranging between min 26.4°F (-3.1°C) and max 40.1°F (4.5°C). Hayti in November undergoes a mild reduction in the average high-temperature, shifting from October's cool 54.3°F (12.4°C) to an icy 40.1°F (4.5°C). Weather in November »

Weather in December

December, the first month of the winter in Hayti, is still a freezing cold month, with temperature in the range of an average high of 23.7°F (-4.6°C) and an average low of 12.4°F (-10.9°C). December signals a clear temperature drop, with average high-temperatures decreasing from November's icy 40.1°F (4.5°C) to a subzero cold 23.7°F (-4.6°C). Weather in December »
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Frequently asked questions

What are the coldest months in Hayti?

January, known for its average high temperature of 19.4°F (-7°C) and an average low temperature of 5.5°F (-14.7°C), is the coldest month in Hayti, South Dakota.

What is the most humid month in Hayti?

The most humid month in Hayti, South Dakota, is January, with an average relative humidity of 90%.

What is the driest month in Hayti?

January and February are months with the least rain in Hayti, South Dakota, when the rain falls for 2.9 days and typically aggregates up to 0.59" (15mm) of rain.

How many days does it rain in Hayti?

In Hayti, during the entire year, the rain falls for 112.3 days and collects up to 18.78" (477mm) of precipitation.

When does it snow in Hayti?

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

What is the snowiest month in Hayti?

The months with the most snowfall are January and December, with an average 3.74" (95mm) of accumulated snow.

How much does it snow in Hayti?

In Hayti, during the entire year, snow falls for 64.3 days and aggregates up to 17.56" (446mm) of snow.

What is the month with the least sunshine in Hayti?

January has the least sunshine of the year in Hayti, South Dakota, with an average of 3.6h of sunshine.

When is the lowest UV index in Hayti?

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

When is Daylight Saving Time (DST) in Hayti?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.

What is the wettest month in Hayti?

The month with the most rainfall is June, when the rain falls for 17.2 days and typically aggregates up to 3.19" (81mm) of precipitation.

When it does not snow in Hayti?

June through September are months without snowfall in Hayti.

When are the longest days in Hayti?

June has the longest days of the year, with an average of 15h and 30min of daylight.

What are the months with the highest UV index in Hayti?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Hayti.

What is the warmest month in Hayti?

The warmest time of the year is July, with temperatures averaging a high of 80.8°F (27.1°C) and a low of 60.8°F (16°C).

What month has the most sunshine in Hayti?

The month with the most sunshine is July, with an average of 10.7h of sunshine.

What are the least humid months in Hayti?

September and October, with an average relative humidity of 68%, are the least humid months in Hayti.

What is the month with the shortest days in Hayti?

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

Average pressure
Hayti, SD

Average pressure - Hayti, SD

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed
Hayti, SD

Average wind speed - Hayti, SD

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

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Average humidity
Hayti, SD

Average humidity - Hayti, SD

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).

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Average rainfall
Hayti, SD

Average rainfall - Hayti, SD

The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").

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Average rainfall days
Hayti, SD

Average rainfall days - Hayti, SD

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).

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Average snowfall
Hayti, SD

Average snowfall - Hayti, SD

The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Hayti, SD

Average snowfall days - Hayti, SD

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Hayti, SD

Average daylight / Average sunshine - Hayti, 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: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days
Hayti, SD

Average sunshine days - Hayti, SD

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).

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Average visibility
Hayti, SD

Average visibility - Hayti, 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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Hayti, South Dakota, USA

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