May weather forecast
Iona, MN

englishespañol中文
Share

Weather in May

The last month of the spring, May, is a comfortable month in Iona, Minnesota, with an average temperature ranging between max 66.2°F (19°C) and min 49.8°F (9.9°C).

Temperature

Iona's weather shows a temperature rise with the arrival of May, moving from a fresh 53.2°F (11.8°C) in April to a refreshing 66.2°F (19°C). Iona sees an average low-temperature of 49.8°F (9.9°C) during May.

Humidity

In May, the average relative humidity is 69%.

Rainfall

In May, in Iona, the rain falls for 15.8 days. Throughout May, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 113.2 rainfall days, and 22.2" (564mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Iona. During 0.3 snowfall days, in May, Iona aggregates 0.16" (4mm) of snow. In Iona, during the entire year, snow falls for 56.8 days and aggregates up to 26.69" (678mm) of snow.

Daylight

In May, the average length of the day in Iona is 14h and 46min.
On the first day of the month, sunrise is at 6:13 am and sunset at 8:26 pm. On the last day of May, sunrise is at 5:43 am and sunset at 8:58 pm CDT.

Sunshine

The average sunshine in May in Iona is 8.3h.

UV index

In May, the average daily maximum UV index in Iona is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the UV index of 5 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. It's recommended to limit sun exposure when its radiation is at its peak during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
[Resources]

Frequently asked questions

What is the temperature in May in Iona?

In May, the average high-temperature and low-temperature are 66.2°F (19°C) and 49.8°F (9.9°C) respectively.

What is the average humidity in May in Iona?

In May, the average relative humidity is 69%.

How many days does it rain in May in Iona?

In Iona, Minnesota, in May, it is raining for 15.8 days, with typically 2.76" (70mm) of accumulated precipitation.

What is the last month it snows in Iona?

May is the last month it regularly snows in Iona, Minnesota. During 0.3 snowfall days, in May, Iona aggregates 0.16" (4mm) of snow.

What is the average length of the day in May in Iona?

The average day length in May in Iona is 14h and 46min.

What time are sunrise and sunset in May in Iona?

On the first day of May in Iona, Minnesota, sunrise is at 6:13 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:58 pm CDT.

How long on average sun shines in May in Iona?

In Iona, Minnesota, the average sunshine duration in May is 8.3h.

How high is the UV index in May in Iona?

The average daily maximum UV index in May in Iona 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Iona, MN

Average temperature in May - Iona, MN
  • Average high temperature in May: 66.2°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (20.8°F).

  • Average low temperature in May: 49.8°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).

[Resources]

Average pressure in May
Iona, MN

Average pressure in May - Iona, MN
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

[Resources]

Average wind speed in May
Iona, MN

Average wind speed in May - Iona, MN
  • Average wind speed in May: 10mph

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

[Resources]

Average humidity in May
Iona, MN

Average humidity in May - Iona, MN
  • Average humidity in May: 69%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (67%).

[Resources]

Average rainfall in May
Iona, MN

Average rainfall in May - Iona, MN
  • Average rainfall in May: 2.76"

The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.75").

[Resources]

Average rainfall days in May
Iona, MN

Average rainfall days in May - Iona, MN
  • Average rainfall days in May: 15.8 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (2.1 days).

[Resources]

Average snowfall in May
Iona, MN

Average snowfall in May - Iona, MN
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in May
Iona, MN

Average snowfall days in May - Iona, MN
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is December (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in May / Average sunshine in May - Iona, MN
  • 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

[Resources]

Average sunshine days in May
Iona, MN

Average sunshine days in May - Iona, MN
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (11.2 days).

[Resources]

Average UV index in May
Iona, MN

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

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

[Resources]

Average cloud cover in May
Iona, MN

Average cloud cover in May - Iona, MN
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and September (Cloud cover 31).

[Resources]

Average visibility in May
Iona, MN

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

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

[Resources]

Iona, Minnesota, USA

Weather forecast for your location

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