May weather forecast
Creighton, SD

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Weather in May

The last month of the spring, May, is a pleasant month in Creighton, South Dakota, with an average temperature fluctuating between 49.6°F (9.8°C) and 68.2°F (20.1°C).

Temperature

The onset of May marks an increase in the average high-temperature, moving from a refreshing 56.5°F (13.6°C) in April to a pleasant 68.2°F (20.1°C). Creighton's average low-temperature is measured at a chilly 49.6°F (9.8°C) during May.

Humidity

In Creighton, South Dakota, the average relative humidity in May is 60%.

Rainfall

The month with the most rainfall is May, when the rain falls for 13.5 days and typically aggregates up to 2.09" (53mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Creighton. May is the last month it regularly snows. During 0.6 snowfall days, in May, Creighton aggregates 0.75" (19mm) of snow. In Creighton, during the entire year, snow falls for 38.8 days and aggregates up to 16.1" (409mm) of snow.

Daylight

In May, the average length of the day is 14h and 48min.
On the first day of the month, sunrise is at 5:38 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:08 am and sunset at 8:25 pm MDT.

Sunshine

The average sunshine in May is 9.8h.

UV index

In May, the average daily maximum UV index in Creighton 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 in May translates into this advice:
Take precautions - Protection against sunburn is recommended. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the usual temperature for Creighton in May?

The high-temperature, in May, in Creighton, records 68.2°F (20.1°C), while the low-temperature is 49.6°F (9.8°C).

What is the average humidity in May?

In May, the average relative humidity is 60%.

What is the rainiest month in Creighton?

The month with the most rainfall is May, when the rain falls for 13.5 days and typically aggregates up to 2.09" (53mm) of precipitation.

How many days does it rain in May?

In May, the rain falls for 13.5 days. Throughout May, 2.09" (53mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.6 snowfall days, in May, Creighton aggregates 0.75" (19mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 48min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 5:38 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:25 pm MDT.

How many hours of sunshine does Creighton have in May?

The average sunshine duration in May is 9.8h.

What is the UV index reading in May?

In Creighton, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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
Creighton, SD

Average temperature in May - Creighton, SD
  • Average high temperature in May: 68.2°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in May: 49.6°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in May
Creighton, SD

Average pressure in May - Creighton, SD
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in May
Creighton, SD

Average wind speed in May - Creighton, SD
  • Average wind speed in May: 11.3mph

The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is February (10.1mph).

Average humidity in May
Creighton, SD

Average humidity in May - Creighton, SD
  • Average humidity in May: 60%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (47%).

Average rainfall in May
Creighton, SD

Average rainfall in May - Creighton, SD
  • Average rainfall in May: 2.09"

The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in May
Creighton, SD

Average rainfall days in May - Creighton, SD
  • Average rainfall days in May: 13.5 days

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in May
Creighton, SD

Average snowfall in May - Creighton, SD
  • Average snowfall in May: 0.75"

The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Creighton, SD

Average snowfall days in May - Creighton, SD
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Creighton, 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 5min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

Average sunshine days in May
Creighton, SD

Average sunshine days in May - Creighton, SD
  • Average sunshine days in May: 15 days

The month with the most sunshine days is December (21.1 days).
The months with the least sunshine days are April and June (14.1 days).

Average UV index in May
Creighton, SD

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

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Creighton, SD

Average cloud cover in May - Creighton, SD
  • Average cloud cover in May: 35

The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 18).

Average visibility in May
Creighton, SD

Average visibility in May - Creighton, SD
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Creighton, South Dakota, USA

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