May weather forecast
Shenandoah, IA

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Weather in May

May, the last month of the spring in Shenandoah, is a pleasant month, with an average temperature fluctuating between 54.5°F (12.5°C) and 71.8°F (22.1°C).

Temperature

The transition from April to May brings a temperature rise, with average high-temperatures increasing from a refreshing 61.7°F (16.5°C) to an agreeable 71.8°F (22.1°C). Shenandoah's nighttime temperature in May drops to an average of 54.5°F (12.5°C).

Humidity

The average relative humidity in May is 74%.

Rainfall

In May, the rain falls for 16.3 days. Throughout May, 4.13" (105mm) of precipitation is accumulated. Throughout the year, there are 125.6 rainfall days, and 26.14" (664mm) of precipitation is accumulated.

Snowfall

In Shenandoah, snow does not fall in May through September.

Daylight

The average length of the day in May is 14h and 28min.
On the first day of the month, sunrise is at 6:18 am and sunset at 8:18 pm. On the last day of May, sunrise is at 5:52 am and sunset at 8:46 pm CDT.

Sunshine

In May, the average sunshine in Shenandoah is 8.8h.

UV index

In Shenandoah, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Shenandoah in May?

During May, Shenandoah experiences an average high-temperature of 71.8°F (22.1°C) and a low-temperature of 54.5°F (12.5°C).

What is the average humidity in May?

In Shenandoah, the average relative humidity in May is 74%.

How many days does it rain in May?

In May, in Shenandoah, the rain falls for 16.3 days. Throughout May, 4.13" (105mm) of precipitation is accumulated.

When it does not snow?

In Shenandoah, snow does not fall in May through September.

Does it snow in May?

In May, in Shenandoah, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Shenandoah have in May?

In Shenandoah, the average day length in May is 14h and 28min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:18 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:46 pm CDT.

How many hours of sunshine does Shenandoah have in May?

The average sunshine duration in May is 8.8h.

What is the UV index intensity in May?

In Shenandoah, Iowa, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
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
Shenandoah, IA

Average temperature in May - Shenandoah, IA
  • Average high temperature in May: 71.8°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in May: 54.5°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in May
Shenandoah, IA

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in May
Shenandoah, IA

Average wind speed in May - Shenandoah, IA
  • Average wind speed in May: 8.6mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in May
Shenandoah, IA

Average humidity in May - Shenandoah, IA
  • Average humidity in May: 74%

The months with the highest relative humidity are January and July (79%).
The month with the lowest relative humidity is October (67%).

Average rainfall in May
Shenandoah, IA

Average rainfall in May - Shenandoah, IA
  • Average rainfall in May: 4.13"

The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is February (0.71").

Average rainfall days in May
Shenandoah, IA

Average rainfall days in May - Shenandoah, IA
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3.9 days).

Average snowfall in May
Shenandoah, IA

Average snowfall in May - Shenandoah, IA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Shenandoah, IA

Average snowfall days in May - Shenandoah, IA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Shenandoah, IA
  • Average daylight in May: 14h and 3min

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

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in May
Shenandoah, IA

Average sunshine days in May - Shenandoah, IA
  • Average sunshine days in May: 12.4 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in May
Shenandoah, IA

Average UV index in May - Shenandoah, IA
  • 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
Shenandoah, IA

Average cloud cover in May - Shenandoah, IA
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in May
Shenandoah, IA

Average visibility in May - Shenandoah, 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).

Shenandoah, Iowa, USA

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