May weather forecast
Oelrichs, SD

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Weather in May

May, the last month of the spring in Oelrichs, is an enjoyable month, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 45.1°F (7.3°C).

Temperature

An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a fresh 54.9°F (12.7°C) to a refreshing 64.9°F (18.3°C). Oelrichs in May anticipates an average nighttime temperature of 45.1°F (7.3°C).

Humidity

In May, the average relative humidity is 62%.

Rainfall

In Oelrichs, in May, during 16.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Oelrichs, South Dakota, during the entire year, the rain falls for 115.8 days and collects up to 16.61" (422mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 1.3 snowfall days, in May, Oelrichs aggregates 1.77" (45mm) of snow. In Oelrichs, during the entire year, snow falls for 49.2 days and aggregates up to 23.19" (589mm) of snow.

Daylight

In Oelrichs, the average length of the day in May is 14h and 41min.
On the first day of the month, sunrise is at 5:45 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:15 am and sunset at 8:25 pm MDT.

Sunshine

In Oelrichs, South Dakota, the average sunshine in May is 9.9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The high-temperature, in May, in Oelrichs, records 64.9°F (18.3°C), while the low-temperature is 45.1°F (7.3°C).

What is the average humidity in May?

The average relative humidity in May is 62%.

How many days does it rain in May in Oelrichs?

In May, the rain falls for 16.8 days. Throughout May, 2.64" (67mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 1.3 snowfall days, in May, Oelrichs aggregates 1.77" (45mm) of snow.

What is the average length of the day in May?

In Oelrichs, the average day length in May is 14h and 41min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:45 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:25 pm MDT.

How long on average sun shines in May?

In May, the average sunshine duration is 9.9h.

How high is the UV index in May?

In Oelrichs, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents 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
Oelrichs, SD

Average temperature in May - Oelrichs, SD
  • Average high temperature in May: 64.9°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in May: 45.1°F

The month with the highest average low temperature is July (63.9°F).
The coldest months (with the lowest average low temperature) are February and December (18.5°F).

Average pressure in May
Oelrichs, SD

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in May
Oelrichs, SD

Average wind speed in May - Oelrichs, SD
  • Average wind speed in May: 9.4mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in May
Oelrichs, SD

Average humidity in May - Oelrichs, SD
  • Average humidity in May: 62%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is August (47%).

Average rainfall in May
Oelrichs, SD

Average rainfall in May - Oelrichs, SD
  • Average rainfall in May: 2.64"

The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in May
Oelrichs, SD

Average rainfall days in May - Oelrichs, SD
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is December (3.5 days).

Average snowfall in May
Oelrichs, SD

Average snowfall in May - Oelrichs, SD
  • Average snowfall in May: 1.77"

The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Oelrichs, SD

Average snowfall days in May - Oelrichs, SD
  • Average snowfall days in May: 1.3 days

The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Oelrichs, SD
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 9h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

Average sunshine days in May
Oelrichs, SD

Average sunshine days in May - Oelrichs, SD
  • Average sunshine days in May: 11.2 days

The month with the most sunshine days is December (21.4 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in May
Oelrichs, SD

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Oelrichs, SD

Average cloud cover in May - Oelrichs, SD
  • Average cloud cover in May: 34

The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in May
Oelrichs, SD

Average visibility in May - Oelrichs, 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).

Oelrichs, South Dakota, USA

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