May weather forecast
Marlow, SD

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Weather in May

May, the last month of the spring in Marlow, is a refreshing month, with an average temperature ranging between max 65.8°F (18.8°C) and min 48.6°F (9.2°C).

Temperature

The start of May is characterized by an increase in the average high-temperature, transitioning from a fresh 52°F (11.1°C) in April to an enjoyable 65.8°F (18.8°C). During May, an average low-temperature of 48.6°F (9.2°C) is observed.

Humidity

The average relative humidity in May is 66%.

Rainfall

In Marlow, during May, the rain falls for 14 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 98.2 rainfall days, and 16.26" (413mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Marlow. May is the last month it regularly snows. During 0.2 snowfall days, in May, Marlow aggregates 0.04" (1mm) of snow. In Marlow, during the entire year, snow falls for 57.2 days and aggregates up to 13.31" (338mm) of snow.

Daylight

In May, the average length of the day is 14h and 58min.
On the first day of the month, sunrise is at 6:15 am and sunset at 8:37 pm. On the last day of May, sunrise is at 5:42 am and sunset at 9:12 pm CDT.

Sunshine

The average sunshine in May is 8.8h.

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 5 in May leads to these recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

May temperatures vary between a high-temperature of 65.8°F (18.8°C) and a low-temperature of 48.6°F (9.2°C).

What is the average humidity in May?

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

How much does it rain in May?

In May, in Marlow, the rain falls for 14 days. Throughout May, 2.05" (52mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Marlow aggregates 0.04" (1mm) of snow.

What is the average length of the day in May?

The average day length in May in Marlow is 14h and 58min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:15 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 9:12 pm CDT.

How long on average sun shines in May?

In Marlow, the average sunshine duration in May is 8.8h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Marlow, SD

Average temperature in May - Marlow, SD
  • Average high temperature in May: 65.8°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (18.1°F).

  • Average low temperature in May: 48.6°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).

Average pressure in May
Marlow, SD

Average pressure in May - Marlow, SD
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in May
Marlow, SD

Average wind speed in May - Marlow, SD
  • Average wind speed in May: 9.8mph

The windiest months (with the highest average wind speed) are April and October (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).

Average humidity in May
Marlow, SD

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

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (64%).

Average rainfall in May
Marlow, SD

Average rainfall in May - Marlow, SD
  • Average rainfall in May: 2.05"

The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is February (0.43").

Average rainfall days in May
Marlow, SD

Average rainfall days in May - Marlow, SD
  • Average rainfall days in May: 14 days

The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.8 days).

Average snowfall in May
Marlow, SD

Average snowfall in May - Marlow, SD
  • Average snowfall in May: 0.04"

The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Marlow, SD

Average snowfall days in May - Marlow, SD
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Marlow, SD
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in May
Marlow, SD

Average sunshine days in May - Marlow, SD
  • Average sunshine days in May: 14.4 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in May
Marlow, SD

Average UV index in May - Marlow, 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 and December (UV index 1).

Average cloud cover in May
Marlow, SD

Average cloud cover in May - Marlow, SD
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 24).

Average visibility in May
Marlow, SD

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

The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).

Marlow, South Dakota, USA

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