May weather forecast
Peosta, IA

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Weather in May

May, the last month of the spring in Peosta, is an enjoyable month, with an average temperature ranging between max 67.3°F (19.6°C) and min 50.4°F (10.2°C).

Temperature

May's arrival coincides with a temperature rise, moving from April's mild 55.9°F (13.3°C) to an enjoyable 67.3°F (19.6°C). Peosta observes an average low-temperature of 50.4°F (10.2°C) during May nights.

Humidity

The average relative humidity in May in Peosta is 81%.

Rainfall

May is the month with the most rainfall. Rain falls for 18.1 days and accumulates 3.9" (99mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In May, the average length of the day is 14h and 38min.
On the first day of May, sunrise is at 5:57 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:33 pm CDT.

Sunshine

In Peosta, the average sunshine in May is 8.3h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 5 in May translates into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

The high-temperature, in May, in Peosta, records 67.3°F (19.6°C), while the low-temperature is 50.4°F (10.2°C).

What is the average humidity in May?

The average relative humidity in May is 81%.

What is the wettest month in Peosta?

May is the month with the most rainfall. Rain falls for 18.1 days and accumulates 3.9" (99mm) of precipitation.

How much does it rain in May?

In Peosta, in May, it is raining for 18.1 days, with typically 3.9" (99mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in May?

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

How many hours of daylight does Peosta have in May?

In May, the average day length is 14h and 38min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:57 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:33 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.3h.

When is the highest UV index?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

How high is the UV index in May?

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

Average temperature in May - Peosta, IA
  • Average high temperature in May: 67.3°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in May: 50.4°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

Average pressure in May
Peosta, IA

Average pressure in May - Peosta, IA
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Peosta, IA

Average wind speed in May - Peosta, IA
  • Average wind speed in May: 8.9mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in May
Peosta, IA

Average humidity in May - Peosta, IA
  • Average humidity in May: 81%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).

Average rainfall in May
Peosta, IA

Average rainfall in May - Peosta, IA
  • Average rainfall in May: 3.9"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in May
Peosta, IA

Average rainfall days in May - Peosta, IA
  • Average rainfall days in May: 18.1 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (4.6 days).

Average snowfall in May
Peosta, IA

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

The month with the highest snowfall is January (5.08").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Peosta, IA

Average snowfall days in May - Peosta, IA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Peosta, IA
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 2min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in May
Peosta, IA

Average sunshine days in May - Peosta, IA
  • Average sunshine days in May: 11.4 days

The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in May
Peosta, IA

Average UV index in May - Peosta, IA
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in May
Peosta, IA

Average cloud cover in May - Peosta, IA
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in May
Peosta, IA

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

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

Peosta, Iowa, USA

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