May weather forecast
Avoca, IA

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Weather in May

The last month of the spring, May, is a pleasant month in Avoca, Iowa, with an average temperature fluctuating between 70.3°F (21.3°C) and 53.4°F (11.9°C).

Temperature

May's arrival signals an increase in average high-temperatures, moving from April's refreshing 59.9°F (15.5°C) to a pleasant 70.3°F (21.3°C). During the nights in May, an average low-temperature of 53.4°F (11.9°C) is observed.

Humidity

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

Rainfall

In Avoca, during May, the rain falls for 17.1 days and regularly aggregates up to 4.06" (103mm) of precipitation. Throughout the year, there are 127.7 rainfall days, and 26.57" (675mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Avoca are January through May, October through December. May is the last month it regularly snows in Avoca. During 0.3 snowfall days, in May, Avoca aggregates 0.16" (4mm) of snow. Throughout the year, in Avoca, Iowa, there are 35.8 snowfall days, and 13.82" (351mm) of snow is accumulated.

Daylight

In Avoca, the average length of the day in May is 14h and 32min.
On the first day of the month, sunrise is at 6:17 am and sunset at 8:19 pm. On the last day of May, in Avoca, sunrise is at 5:49 am and sunset at 8:48 pm CDT.

Sunshine

In May, the average sunshine in Avoca, Iowa, is 8.8h.

UV index

In Avoca, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 5 during May translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Avoca in May?

The high-temperature, in May, in Avoca, is 70.3°F (21.3°C), while the low-temperature averages to 53.4°F (11.9°C).

What is the average humidity in May in Avoca?

The average relative humidity in May is 74%.

How much does it rain in Avoca in May?

In Avoca, in May, it is raining for 17.1 days, with typically 4.06" (103mm) of accumulated precipitation.

What is the last month it snows in Avoca?

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

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

In Avoca, Iowa, the average day length in May is 14h and 32min.

What time are sunrise and sunset in May in Avoca?

On the first day of May in Avoca, sunrise is at 6:17 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:48 pm CDT.

How many hours of sunshine does Avoca have in May?

The average sunshine duration in May in Avoca is 8.8h.

What is the UV index reading in May in Avoca?

In Avoca, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Avoca, IA

Average temperature in May - Avoca, IA
  • Average high temperature in May: 70.3°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 (28.8°F).

  • Average low temperature in May: 53.4°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

Average pressure in May
Avoca, IA

Average pressure in May - Avoca, 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 (29.87"Hg).

Average wind speed in May
Avoca, IA

Average wind speed in May - Avoca, IA
  • Average wind speed in May: 9.1mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).

Average humidity in May
Avoca, IA

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

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (68%).

Average rainfall in May
Avoca, IA

Average rainfall in May - Avoca, IA
  • Average rainfall in May: 4.06"

The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in May
Avoca, IA

Average rainfall days in May - Avoca, IA
  • Average rainfall days in May: 17.1 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (3.6 days).

Average snowfall in May
Avoca, IA

Average snowfall in May - Avoca, IA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Avoca, IA

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

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Avoca, 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 12min).

  • Average sunshine in May: 8h and 5min

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 36min).

Average sunshine days in May
Avoca, IA

Average sunshine days in May - Avoca, IA
  • Average sunshine days in May: 11.7 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11 days).

Average UV index in May
Avoca, IA

Average UV index in May - Avoca, 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, October, November and December (UV index 2).

Average cloud cover in May
Avoca, IA

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

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in May
Avoca, IA

Average visibility in May - Avoca, IA
  • Average visibility in May: 6mi

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

Avoca, Iowa, USA

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