May weather forecast
Colman, SD

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Weather in May

The last month of the spring, May, is a comfortable month in Colman, South Dakota, with an average temperature fluctuating between 66.4°F (19.1°C) and 48.7°F (9.3°C).

Temperature

The arrival of May brings an increase in high-temperatures, moving from a fresh 53.6°F (12°C) in April to a comfortable 66.4°F (19.1°C). Throughout May, a steady low-temperature average of 48.7°F (9.3°C) is noted.

Humidity

The average relative humidity in May in Colman is 70%.

Rainfall

In Colman, in May, it is raining for 15 days, with typically 2.68" (68mm) of accumulated precipitation. In Colman, South Dakota, during the entire year, the rain falls for 113.8 days and collects up to 20.59" (523mm) of precipitation.

Snowfall

Months with snowfall in Colman are January through May, October through December. May is the last month it regularly snows in Colman. During 0.5 snowfall days, in May, Colman aggregates 0.2" (5mm) of snow. In Colman, during the entire year, snow falls for 53.1 days and aggregates up to 20.04" (509mm) of snow.

Daylight

In May, the average length of the day in Colman is 14h and 46min.
On the first day of May, sunrise is at 6:17 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 9:02 pm CDT.

Sunshine

In Colman, South Dakota, the average sunshine in May is 8.7h.

UV index

In Colman, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 5 during May morphs into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What is the temperature in May in Colman?

The high-temperature, in May, in Colman, is 66.4°F (19.1°C), while the low-temperature averages to 48.7°F (9.3°C).

What is the average humidity in May in Colman?

In Colman, South Dakota, the average relative humidity in May is 70%.

How many days does it rain in May in Colman?

In May, in Colman, the rain falls for 15 days. Throughout May, 2.68" (68mm) of precipitation is accumulated.

What is the last month it snows in Colman?

May is the last month it regularly snows in Colman. During 0.5 snowfall days, in May, Colman aggregates 0.2" (5mm) of snow.

How many hours of daylight does Colman have in May?

In Colman, the average day length in May is 14h and 46min.

When are sunrise and sunset in May in Colman?

In May, on the first day of the month, sunrise is at 6:17 am and sunset at 8:31 pm. On the last day of the month, in Colman, sunrise is at 5:47 am and sunset at 9:02 pm CDT.

How long on average sun shines in May in Colman?

In May, the average sunshine duration in Colman is 8.7h.

How high is the UV index in May in Colman?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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
Colman, SD

Average temperature in May - Colman, SD
  • Average high temperature in May: 66.4°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (21.6°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).

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Average pressure in May
Colman, SD

Average pressure in May - Colman, 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 (29.86"Hg).

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Average wind speed in May
Colman, SD

Average wind speed in May - Colman, SD
  • Average wind speed in May: 10.1mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

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Average humidity in May
Colman, SD

Average humidity in May - Colman, SD
  • Average humidity in May: 70%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in May
Colman, SD

Average rainfall in May - Colman, SD
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is June (3.15").
The driest months (with the least rainfall) are January and November (0.63").

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Average rainfall days in May
Colman, SD

Average rainfall days in May - Colman, SD
  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (2.4 days).

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Average snowfall in May
Colman, SD

Average snowfall in May - Colman, SD
  • Average snowfall in May: 0.2"

The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Colman, SD

Average snowfall days in May - Colman, SD
  • Average snowfall days in May: 0.5 days

The month with the highest number of snowfall days is January (11.8 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
Colman, SD

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in May
Colman, SD

Average sunshine days in May - Colman, SD
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in May
Colman, SD

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in May
Colman, SD

Average cloud cover in May - Colman, SD
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in May
Colman, SD

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

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