May weather forecast
Riverton, MN

Share

Weather in May

May, the last month of the spring in Riverton, is an enjoyable month, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 64.6°F (18.1°C).

Temperature

As May sets, the average high-temperature displays a significant increase, moving up from a frosty 49.6°F (9.8°C) in April to an enjoyable 64.6°F (18.1°C). An average low-temperature of 44.4°F (6.9°C) is noted during the month of May.

Humidity

May is the least humid month, with an average relative humidity of 70%.

Rainfall

In Riverton, in May, during 15.2 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Riverton, during the entire year, the rain falls for 108 days and collects up to 19.88" (505mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.3 snowfall days, in May, Riverton aggregates 1.65" (42mm) of snow. In Riverton, Minnesota, during the entire year, snow falls for 95.3 days and aggregates up to 35.67" (906mm) of snow.

Daylight

In Riverton, the average length of the day in May is 15h and 2min.
On the first day of May, sunrise is at 6:00 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 9:00 pm CDT.

Sunshine

The average sunshine in May is 8.1h.

UV index

The average daily maximum UV index in May in Riverton is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Heed the precautions - It is counselled to guard against solar damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In May, in Riverton, the average high-temperature is 64.6°F (18.1°C), and the average low-temperature is 44.4°F (6.9°C).

What is the least humid month?

May is the least humid month, with an average relative humidity of 70%.

What is the average humidity in May?

The average relative humidity in May is 70%.

How many days does it rain in May?

In Riverton, in May, it is raining for 15.2 days, with typically 2.32" (59mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 1.3 snowfall days, in May, Riverton aggregates 1.65" (42mm) of snow.

How many hours of daylight does Riverton have in May?

The average day length in May is 15h and 2min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:00 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 9:00 pm CDT.

How many hours of sunshine does Riverton have in May?

In May, the average sunshine duration is 8.1h.

What is the UV index intensity in May?

In Riverton, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Riverton, MN

Average temperature in May - Riverton, MN
  • Average high temperature in May: 64.6°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (17.6°F).

  • Average low temperature in May: 44.4°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (3.6°F).

Average pressure in May
Riverton, MN

Average pressure in May - Riverton, MN
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in May
Riverton, MN

Average wind speed in May - Riverton, MN
  • Average wind speed in May: 7.1mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in May
Riverton, MN

Average humidity in May - Riverton, MN
  • Average humidity in May: 70%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (70%).

Average rainfall in May
Riverton, MN

Average rainfall in May - Riverton, MN
  • Average rainfall in May: 2.32"

The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in May
Riverton, MN

Average rainfall days in May - Riverton, MN
  • Average rainfall days in May: 15.2 days

The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.2 days).

Average snowfall in May
Riverton, MN

Average snowfall in May - Riverton, MN
  • Average snowfall in May: 1.65"

The month with the highest snowfall is December (8.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Riverton, MN

Average snowfall days in May - Riverton, MN
  • Average snowfall days in May: 1.3 days

The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Riverton, MN

Average daylight in May / Average sunshine in May - Riverton, MN
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

Average sunshine days in May
Riverton, MN

Average sunshine days in May - Riverton, MN
  • Average sunshine days in May: 12.7 days

The month with the most sunshine days is September (17.6 days).
The month with the least sunshine days is February (10.1 days).

Average UV index in May
Riverton, MN

Average UV index in May - Riverton, MN
  • Average UV index in May: 5

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

Average cloud cover in May
Riverton, MN

Average cloud cover in May - Riverton, MN
  • Average cloud cover in May: 46

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in May
Riverton, MN

Average visibility in May - Riverton, MN
  • Average visibility in May: 6mi

The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

Riverton, Minnesota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location