May weather forecast
Aberdeen, SD

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During winter, snow cover is seen all over the area in Aberdeen City, South Dakota
During winter, snow cover is seen all over the area in Aberdeen City, South Dakota

Weather in May

May in Aberdeen could be described as the true beginning of spring. It has the highest amount of rainfall volume, at 2.32" (59mm). The temperatures become milder, making outdoor activities more appealing. This growth in warmth and precipitation gives way to lush landscapes. May's showers help nature bloom in full glory, enriching Aberdeen's scenic beauty.

Temperature

The shift from April to May is marked by an increase in the average high-temperature, moving from a fresh 54.1°F (12.3°C) to an enjoyable 66.7°F (19.3°C). Aberdeen experiences an average low-temperature reading of 48.2°F (9°C) throughout May.

Humidity

In Aberdeen, the average relative humidity in May is 66%.

Rainfall

In Aberdeen, in May, it is raining for 13 days, with typically 2.32" (59mm) of accumulated precipitation. In Aberdeen, during the entire year, the rain falls for 97.2 days and collects up to 18.35" (466mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Aberdeen aggregates 0.08" (2mm) of snow. Throughout the year, there are 54.8 snowfall days, and 19.13" (486mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 55min.
On the first day of May, sunrise is at 6:20 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 9:14 pm CDT.

Sunshine

In Aberdeen, the average sunshine in May is 9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum daily UV index of 5 during May morphs into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

What is the average May temperature?

May temperatures vary between a high-temperature of 66.7°F (19.3°C) and a low-temperature of 48.2°F (9°C).

What is the average humidity in May?

In Aberdeen, the average relative humidity in May is 66%.

How many days does it rain in May?

In May, the rain falls for 13 days. Throughout May, 2.32" (59mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows in Aberdeen. During 0.3 snowfall days, in May, Aberdeen aggregates 0.08" (2mm) of snow.

How many hours of daylight does Aberdeen have in May?

In May, the average day length is 14h and 55min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:20 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 9:14 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 9h.

What is the UV index intensity in May?

In Aberdeen, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
Aberdeen, SD

Average temperature in May - Aberdeen, SD
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in May: 48.2°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

Average pressure in May
Aberdeen, SD

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

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in May
Aberdeen, SD

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

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity in May
Aberdeen, SD

Average humidity in May - Aberdeen, SD
  • Average humidity in May: 66%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).

Average rainfall in May
Aberdeen, SD

Average rainfall in May - Aberdeen, SD
  • Average rainfall in May: 2.32"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in May
Aberdeen, SD

Average rainfall days in May - Aberdeen, SD
  • Average rainfall days in May: 13 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).

Average snowfall in May
Aberdeen, SD

Average snowfall in May - Aberdeen, SD
  • Average snowfall in May: 0.08"

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Aberdeen, SD

Average snowfall days in May - Aberdeen, SD
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in May
Aberdeen, SD

Average sunshine days in May - Aberdeen, SD
  • Average sunshine days in May: 15.7 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).

Average UV index in May
Aberdeen, SD

Average UV index in May - Aberdeen, 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, February and November (UV index 1).

Average cloud cover in May
Aberdeen, SD

Average cloud cover in May - Aberdeen, SD
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).

Average visibility in May
Aberdeen, SD

Average visibility in May - Aberdeen, 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).

Aberdeen, South Dakota, USA

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