May weather forecast
New Effington, SD

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Weather in May

The last month of the spring, May, is a comfortable month in New Effington, South Dakota, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 48°F (8.9°C).

Temperature

New Effington in May experiences an increase in the average high-temperature, moving from April's fresh 51.8°F (11°C) to a refreshing 65.1°F (18.4°C). During the May nights, an average temperature of 48°F (8.9°C) is observed.

Humidity

In New Effington, the average relative humidity in May is 68%.

Rainfall

In New Effington, in May, during 14.8 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In New Effington, during the entire year, the rain falls for 107.9 days and collects up to 20.63" (524mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, New Effington aggregates 0.08" (2mm) of snow. Throughout the year, there are 53.2 snowfall days, and 20.12" (511mm) of snow is accumulated.

Daylight

In New Effington, the average length of the day in May is 14h and 58min.
On the first day of May, sunrise is at 6:13 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 9:10 pm CDT.

Sunshine

In May, the average sunshine 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 the average person.
Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

New Effington in May has an average high-temperature of 65.1°F (18.4°C) and an average low-temperature of 48°F (8.9°C).

What is the average humidity in May?

In New Effington, the average relative humidity in May is 68%.

How many days does it rain in May?

In May, the rain falls for 14.8 days. Throughout May, 2.48" (63mm) of precipitation is accumulated.

What is the last month it snows?

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

How many hours of daylight does New Effington have in May?

In New Effington, the average day length in May is 14h and 58min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:13 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 9:10 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.8h.

What is the UV index reading in May?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe 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
New Effington, SD

Average temperature in May - New Effington, SD
  • Average high temperature in May: 65.1°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 (19°F).

  • Average low temperature in May: 48°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

Average pressure in May
New Effington, SD

Average pressure in May - New Effington, 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
New Effington, SD

Average wind speed in May - New Effington, SD
  • Average wind speed in May: 9.9mph

The windiest months (with the highest average wind speed) are April and October (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

Average humidity in May
New Effington, SD

Average humidity in May - New Effington, SD
  • Average humidity in May: 68%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).

Average rainfall in May
New Effington, SD

Average rainfall in May - New Effington, SD
  • Average rainfall in May: 2.48"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in May
New Effington, SD

Average rainfall days in May - New Effington, SD
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (1.6 days).

Average snowfall in May
New Effington, SD

Average snowfall in May - New Effington, SD
  • Average snowfall in May: 0.08"

The month with the highest snowfall is December (4.29").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
New Effington, SD

Average snowfall days in May - New Effington, SD
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
New Effington, SD

Average daylight in May / Average sunshine in May - New Effington, 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: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in May
New Effington, SD

Average sunshine days in May - New Effington, SD
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (10.8 days).

Average UV index in May
New Effington, SD

Average UV index in May - New Effington, SD
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
New Effington, SD

Average cloud cover in May - New Effington, SD
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 25).

Average visibility in May
New Effington, SD

Average visibility in May - New Effington, 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).

New Effington, South Dakota, USA

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