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

The onset of May in Redfield brings a temperature shift, with the average high-temperature moving from a moderate 55.4°F (13°C) in April to an enjoyable 67.6°F (19.8°C). May sees the temperature falling to a mean low of 48.9°F (9.4°C).

Humidity

The average relative humidity in May is 67%.

Rainfall

In Redfield, in May, it is raining for 13.3 days, with typically 2.4" (61mm) of accumulated 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.

Daylight

The average length of the day in May 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

The average sunshine in May is 9.1h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 5 during May translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The average high-temperature and low-temperature during May are 67.6°F (19.8°C) and 48.9°F (9.4°C) respectively.

What is the average humidity in May?

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

How many days does it rain in May?

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

Does it snow in May?

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

How many hours of daylight does Redfield have in May?

The average day length in May is 14h and 52min.

What time are sunrise and sunset in May?

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, sunrise is at 5:51 am and sunset at 9:12 pm CDT.

How many hours of sunshine does Redfield have 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 reading of 3 to 5 represents a moderate health threat from unprotected exposure to 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Redfield, South Dakota, USA

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