Weather in South Dakota in May 2018

Expect 22°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in South Dakota in May. Check more long-term weather averages for South Dakota in May before you book your next holiday to South Dakota in 2018. The May weather averages shown below are for Sioux Falls.

Key weather averages for South Dakota in May

  • 22°C maximum daytime temperature in May in South Dakota (Sioux Falls)22
    22°C max day temperature
  • 9 hours of sunshine per day (62% of daylight hours) in May in South Dakota9
    9 hours of sunshine per day
  • 11 days with some rainfall in May in South Dakota (Sioux Falls)11
    11 days with some rainfall
  • 8°C minimum night-time temperature in May in South Dakota (Sioux Falls)8
    8°C min night temperature
  • 15 hours of daylight per day in May in South Dakota (Sioux Falls)15
    15 hours of daylight per day
  • No heat & humidity in May in South Dakota (Sioux Falls)0
    No heat & humidity
  • 79 mm monthly rainfall in May in South Dakota (Sioux Falls)79
    79 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in South Dakota (Sioux Falls)7
    7 (High) UV index

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

Metric (°C / mm)  |  Imperial (°F / inches)

  • Save an extra 10% on weekly car rentals in the USA
  • Book with the Dollar Rent A Car promo code
  • Travel before 31st December 2017 (inclusive)
Show discount code ******139

Expires at 23:59 on Sunday 31st December 2017

More about South Dakota

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

Guide to South Dakota weather in May

The average maximum daytime temperature in South Dakota in May is a warm 22°C (72°F). The average night-time temperature is usually a cool 8°C (46°F). There are usually 9 hours of bright sunshine each day, which represents 62% of the 15 hours of daylight.

Expect 79mm (3.1 inches) of rainfall across the whole of May with 11 days with some rain falling. Maximum UV levels will be high (7 UV index) at midday when the skies are clear.

The weather in South Dakota in May is represented by Sioux Falls.

South Dakota sunrise & sunset times for May 2018

Browse the sunrise & sunset times for South Dakota in May 2018. Select a month to view South Dakota sunrise & sunset times for the next twelve months. The South Dakota sunrise & sunset times shown below are for Sioux Falls.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st May 2018 06:19 20:29
Wednesday, 2nd May 2018 06:18 20:30
Thursday, 3rd May 2018 06:17 20:32
Friday, 4th May 2018 06:15 20:33
Saturday, 5th May 2018 06:14 20:34
Sunday, 6th May 2018 06:13 20:35
Monday, 7th May 2018 06:11 20:36
Tuesday, 8th May 2018 06:10 20:37
Wednesday, 9th May 2018 06:09 20:39
Thursday, 10th May 2018 06:08 20:40
Friday, 11th May 2018 06:06 20:41
Saturday, 12th May 2018 06:05 20:42
Sunday, 13th May 2018 06:04 20:43
Monday, 14th May 2018 06:03 20:44
Tuesday, 15th May 2018 06:02 20:45
Wednesday, 16th May 2018 06:01 20:46
Thursday, 17th May 2018 06:00 20:47
Friday, 18th May 2018 05:59 20:48
Saturday, 19th May 2018 05:58 20:49
Sunday, 20th May 2018 05:57 20:50
Monday, 21st May 2018 05:56 20:51
Tuesday, 22nd May 2018 05:55 20:52
Wednesday, 23rd May 2018 05:55 20:53
Thursday, 24th May 2018 05:54 20:54
Friday, 25th May 2018 05:53 20:55
Saturday, 26th May 2018 05:52 20:56
Sunday, 27th May 2018 05:52 20:57
Monday, 28th May 2018 05:51 20:58
Tuesday, 29th May 2018 05:50 20:59
Wednesday, 30th May 2018 05:50 21:00
Thursday, 31st May 2018 05:49 21:01
  • Save an extra 10% on monthly car rentals in the USA
  • Book with the Dollar Rent A Car promo code
  • Travel before 31st December 2017 (inclusive)
Show discount code ******140

Expires at 23:59 on Sunday 31st December 2017

Back to top

South Dakota weather by month

Check South Dakota weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

Back to top

More South Dakota destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

More destinations

Related posts

Popular travel offers

Top ^