May weather forecast
Redfield, SD

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Weather in May

The transition to summer begins in May and with it comes a significant jump in temperature. The town is notable for receiving the highest amount of rainfall, 2.4" (61mm), during the year. This wetness combines with the escalating temperatures to create a lush, green landscape. As the weather gets milder, more time is spent outdoors enjoying the increase in daylight hours. Despite the rain, Redfield offers a pleasant and lively ambiance in May.

Temperature

May brings a temperature increase, with average high-temperatures moving from April's moderate 55.4°F (13°C) to a comfortable 67.6°F (19.8°C). Throughout May, an average nighttime temperature of 48.9°F (9.4°C) is experienced in Redfield, South Dakota.

Humidity

The average relative humidity in May is 67%.

Rainfall

In Redfield, during May, the rain falls for 13.3 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Redfield, during the entire year, the rain falls for 97.6 days and collects up to 17.83" (453mm) of precipitation.

Snowfall

May through September are months without snowfall in Redfield.

Daylight

In May, the average length of the day in Redfield, South Dakota, is 14h and 52min.
On the first day of May in Redfield, sunrise is at 6:22 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 9:12 pm CDT.

Sunshine

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

UV index

In Redfield, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 in May transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the temperature in May in Redfield?

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

What is the average humidity in May in Redfield?

In Redfield, the average relative humidity in May is 67%.

How many days does it rain in May in Redfield?

In Redfield, South Dakota, during May, the rain falls for 13.3 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow in Redfield?

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

Does it snow in Redfield in May?

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

What is the average length of the day in May in Redfield?

The average day length in May in Redfield, South Dakota, is 14h and 52min.

When are sunrise and sunset in May in Redfield?

In May, on the first day of the month, sunrise is at 6:22 am and sunset at 8:39 pm. On the last day of the month, in Redfield, South Dakota, sunrise is at 5:51 am and sunset at 9:12 pm CDT.

How many hours of sunshine does Redfield have in May?

In Redfield, South Dakota, the average sunshine duration in May is 9.1h.

What is the UV index reading in May in Redfield?

In Redfield, South Dakota, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
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
Redfield, SD

Average temperature in May - Redfield, 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 (22.5°F).

  • Average low temperature in May: 48.9°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 in May
Redfield, SD

Average pressure in May - Redfield, 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).

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Average wind speed in May
Redfield, SD

Average wind speed in May - Redfield, SD
  • Average wind speed in May: 9.7mph

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 in May
Redfield, SD

Average humidity in May - Redfield, SD
  • Average humidity in May: 67%

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 in May
Redfield, SD

Average rainfall in May - Redfield, SD
  • Average rainfall in May: 2.4"

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 in May
Redfield, SD

Average rainfall days in May - Redfield, SD
  • Average rainfall days in May: 13.3 days

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 in May
Redfield, SD

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

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 in May
Redfield, SD

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

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 in May /
Average sunshine in May
Redfield, SD

Average daylight in May / Average sunshine in May - Redfield, 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 6min).

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Average sunshine days in May
Redfield, SD

Average sunshine days in May - Redfield, SD
  • Average sunshine days in May: 15.2 days

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 in May
Redfield, SD

Average UV index in May - Redfield, 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 February (UV index 1).

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Average cloud cover in May
Redfield, SD

Average cloud cover in May - Redfield, SD
  • Average cloud cover in May: 37

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 22).

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Average visibility in May
Redfield, SD

Average visibility in May - Redfield, 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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Redfield, South Dakota, USA

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