May weather forecast
Ireton, IA

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Weather in May

The last month of the spring, May, is an agreeable month in Ireton, Iowa, with an average temperature ranging between max 69.1°F (20.6°C) and min 51.6°F (10.9°C).

Temperature

The shift from April to May brings an increase in the average high-temperature, moving from a refreshing 57.2°F (14°C) to an agreeable 69.1°F (20.6°C). Throughout May, Ireton experiences a low-temperature average of 51.6°F (10.9°C).

Humidity

In Ireton, the average relative humidity in May is 69%.

Rainfall

In Ireton, in May, during 11.6 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Ireton, during the entire year, the rain falls for 80.7 days and collects up to 6.54" (166mm) 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, Ireton aggregates 0.04" (1mm) of snow. In Ireton, during the entire year, snow falls for 27.5 days and aggregates up to 2.76" (70mm) of snow.

Daylight

The average length of the day in May is 14h and 40min.
On the first day of the month, sunrise is at 6:17 am and sunset at 8:26 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:57 pm CDT.

Sunshine

In Ireton, Iowa, the average sunshine in May is 8.4h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 5 during May translates into the following guidance:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

In May, the average high-temperature and low-temperature are 69.1°F (20.6°C) and 51.6°F (10.9°C) respectively.

What is the average humidity in May?

The average relative humidity in May is 69%.

How many days does it rain in May?

In Ireton, during May, the rain falls for 11.6 days and regularly aggregates up to 0.94" (24mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Ireton aggregates 0.04" (1mm) of snow.

How many hours of daylight does Ireton have in May?

The average day length in May is 14h and 40min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:17 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:57 pm CDT.

How long on average sun shines in May?

In Ireton, the average sunshine duration in May is 8.4h.

How high is the UV index in May in Ireton?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Ireton, IA

Average temperature in May - Ireton, IA
  • Average high temperature in May: 69.1°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in May: 51.6°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

Average pressure in May
Ireton, IA

Average pressure in May - Ireton, IA
  • Average pressure in May: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in May
Ireton, IA

Average wind speed in May - Ireton, IA
  • Average wind speed in May: 9.6mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

Average humidity in May
Ireton, IA

Average humidity in May - Ireton, IA
  • Average humidity in May: 69%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (66%).

Average rainfall in May
Ireton, IA

Average rainfall in May - Ireton, IA
  • Average rainfall in May: 0.94"

The wettest month (with the highest rainfall) is June (1.06").
The driest months (with the least rainfall) are January and February (0.16").

Average rainfall days in May
Ireton, IA

Average rainfall days in May - Ireton, IA
  • Average rainfall days in May: 11.6 days

The month with the highest number of rainy days is June (13 days).
The month with the least rainy days is February (1.3 days).

Average snowfall in May
Ireton, IA

Average snowfall in May - Ireton, IA
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (0.75").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Ireton, IA

Average snowfall days in May - Ireton, IA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Ireton, IA

Average daylight in May / Average sunshine in May - Ireton, IA
  • 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: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in May
Ireton, IA

Average sunshine days in May - Ireton, IA
  • Average sunshine days in May: 16.6 days

The month with the most sunshine days is December (26 days).
The month with the least sunshine days is June (13.2 days).

Average UV index in May
Ireton, IA

Average UV index in May - Ireton, IA
  • 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, February, November and December (UV index 2).

Average cloud cover in May
Ireton, IA

Average cloud cover in May - Ireton, IA
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in May
Ireton, IA

Average visibility in May - Ireton, IA
  • 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).

Ireton, Iowa, USA

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