May weather forecast
Hayti, SD

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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).

Temperature

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). During May, the average low-temperature is a chilly 46.9°F (8.3°C).

Humidity

In May, the average relative humidity in Hayti is 71%.

Rainfall

In Hayti, during May, the rain falls for 16.3 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, in Hayti, there are 112.3 rainfall days, and 18.78" (477mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Hayti aggregates 0.12" (3mm) of snow. In Hayti, during the entire year, snow falls for 64.3 days and aggregates up to 17.56" (446mm) of snow.

Daylight

In May, the average length of the day is 14h and 50min.
On the first day of the month, sunrise is at 6:17 am and sunset at 8:34 pm. On the last day of May, in Hayti, sunrise is at 5:46 am and sunset at 9:06 pm CDT.

Sunshine

In May, the average sunshine is 8.7h.

UV index

In Hayti, South Dakota, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Adopt protective measures - It is advised to guard against sun damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are May temperatures in Hayti?

In May, the average high-temperature and low-temperature in Hayti, South Dakota, are 64.6°F (18.1°C) and 46.9°F (8.3°C) respectively.

What is the average humidity in May in Hayti?

In Hayti, the average relative humidity in May is 71%.

How much does it rain in Hayti in May?

In Hayti, South Dakota, in May, it is raining for 16.3 days, with typically 2.52" (64mm) of accumulated precipitation.

What is the last month it snows in Hayti?

May is the last month it regularly snows in Hayti, South Dakota. During 0.8 snowfall days, in May, Hayti aggregates 0.12" (3mm) of snow.

How many hours of daylight does Hayti have in May?

The average day length in May in Hayti, South Dakota, is 14h and 50min.

What time are sunrise and sunset in May in Hayti?

In May, on the first day of the month, sunrise is at 6:17 am and sunset at 8:34 pm. On the last day of the month, in Hayti, South Dakota, sunrise is at 5:46 am and sunset at 9:06 pm CDT.

How many hours of sunshine does Hayti have in May?

The average sunshine duration in May in Hayti, South Dakota, is 8.7h.

What is the UV index reading in May in Hayti?

In Hayti, South Dakota, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Hayti, SD

Average temperature in May - Hayti, SD
  • Average high temperature in May: 64.6°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).

  • Average low temperature in May: 46.9°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).

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Average pressure in May
Hayti, SD

Average pressure in May - Hayti, SD
  • Average pressure in May: 29.92"Hg

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 in May
Hayti, SD

Average wind speed in May - Hayti, SD
  • Average wind speed in May: 10.3mph

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 in May
Hayti, SD

Average humidity in May - Hayti, SD
  • Average humidity in May: 71%

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 in May
Hayti, SD

Average rainfall in May - Hayti, SD
  • Average rainfall in May: 2.52"

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 in May
Hayti, SD

Average rainfall days in May - Hayti, SD
  • Average rainfall days in May: 16.3 days

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 in May
Hayti, SD

Average snowfall in May - Hayti, SD
  • Average snowfall in May: 0.12"

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 in May
Hayti, SD

Average snowfall days in May - Hayti, SD
  • Average snowfall days in May: 0.8 days

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 in May /
Average sunshine in May
Hayti, SD

Average daylight in May / Average sunshine in May - Hayti, SD
  • Average daylight in May: 14h and 5min

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).

  • Average sunshine in May: 8h and 4min

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 in May
Hayti, SD

Average sunshine days in May - Hayti, SD
  • Average sunshine days in May: 11.9 days

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 UV index in May
Hayti, SD

Average UV index in May - Hayti, SD
  • Average UV index in May: 5

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

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Average cloud cover in May
Hayti, SD

Average cloud cover in May - Hayti, SD
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in May
Hayti, SD

Average visibility in May - Hayti, SD
  • Average visibility in May: 6mi

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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