May weather forecast
Huron, SD

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An old water tower stands high with a bold sign of the town name in the small farming town of Bryant near Huron, South Dakota.
An old water tower stands high with a bold sign of the town name in the small farming town of Bryant near Huron, South Dakota.

Weather in May

May offers Huron residents the full spring experience. A dip in cloud cover down to 38% allows ample sunshine, igniting the city in a plethora of colors. The park buzzes with people and activity as temperatures continue their upward trend. Late May sees an approaching summer, with longer days, rising humidity, and warmer evenings. The transformation of the landscapes, from snow-clad to sun-kissed green, reaches its zenith as May draws to a close.

Temperature

The shift into May is marked by a rise in the average high-temperature, moving from April's mild 55.9°F (13.3°C) to a still refreshing 67.6°F (19.8°C). In the month of May, Huron records a consistent average low-temperature of 48.9°F (9.4°C).

Humidity

In Huron, South Dakota, the average relative humidity in May is 68%.

Rainfall

In Huron, in May, during 13.6 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 101.8 rainfall days, and 18.19" (462mm) of precipitation is accumulated.

Snowfall

In Huron, snow does not fall in May through September.

Daylight

In Huron, the average length of the day in May is 14h and 49min.
On the first day of the month, sunrise is at 6:22 am and sunset at 8:37 pm. On the last day of May, in Huron, sunrise is at 5:51 am and sunset at 9:09 pm CDT.

Sunshine

In Huron, the average sunshine in May is 9.1h.

UV index

In Huron, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 5 in May transforms into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Opt for tightly woven and loose clothing to enhance protection from the Sun. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

What are the temperatures in May?

The high-temperature, in May, in Huron, records 67.6°F (19.8°C), while the low-temperature is 48.9°F (9.4°C).

What is the average humidity in May?

In Huron, the average relative humidity in May is 68%.

How many days does it rain in May?

In May, the rain falls for 13.6 days. Throughout May, 2.36" (60mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall in Huron.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May?

In Huron, the average day length in May is 14h and 49min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:22 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 9:09 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 9.1h.

What is the UV index intensity in May?

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

Average temperature in May
Huron, SD

Average temperature in May - Huron, SD
  • Average high temperature in May: 67.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (23.2°F).

  • Average low temperature in May: 48.9°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

Average pressure in May
Huron, SD

Average pressure in May - Huron, 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 (29.84"Hg).

Average wind speed in May
Huron, SD

Average wind speed in May - Huron, SD
  • Average wind speed in May: 9.8mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).

Average humidity in May
Huron, SD

Average humidity in May - Huron, SD
  • Average humidity in May: 68%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (62%).

Average rainfall in May
Huron, SD

Average rainfall in May - Huron, SD
  • Average rainfall in May: 2.36"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in May
Huron, SD

Average rainfall days in May - Huron, SD
  • Average rainfall days in May: 13.6 days

The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.8 days).

Average snowfall in May
Huron, SD

Average snowfall in May - Huron, SD
  • Average snowfall in May: 0"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Huron, SD

Average snowfall days in May - Huron, SD
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is December (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Huron, SD

Average daylight in May / Average sunshine in May - Huron, 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: 9h and 1min

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 12min).

Average sunshine days in May
Huron, SD

Average sunshine days in May - Huron, SD
  • Average sunshine days in May: 14.6 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in May
Huron, SD

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

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 November (UV index 1).

Average cloud cover in May
Huron, SD

Average cloud cover in May - Huron, SD
  • Average cloud cover in May: 38

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 22).

Average visibility in May
Huron, SD

Average visibility in May - Huron, 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).

Huron, South Dakota, USA

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