May weather forecast
Cathedral Square, IA

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Weather in May

The last month of the spring, May, is a comfortable month in Cathedral Square, Iowa, with an average temperature fluctuating between 66.9°F (19.4°C) and 50.2°F (10.1°C).

Temperature

Cathedral Square in May sees a temperature change, with average high-temperatures moving from a refreshing 55.9°F (13.3°C) in April to an enjoyable 66.9°F (19.4°C). Cathedral Square experiences an average low-temperature reading of 50.2°F (10.1°C) throughout May.

Humidity

The average relative humidity in May in Cathedral Square, Iowa, is 81%.

Rainfall

The months with the most rainfall are May and June, with an average 3.7" (94mm) of precipitation.

Snowfall

In Cathedral Square, snow does not fall in May through September.

Daylight

The average length of the day in May is 14h and 38min.
On the first day of the month, sunrise is at 5:56 am and sunset at 8:03 pm. On the last day of May, sunrise is at 5:28 am and sunset at 8:33 pm CDT.

Sunshine

In May, the average sunshine in Cathedral Square is 8.2h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What is the usual temperature for Cathedral Square in May?

Cathedral Square in May has an average high-temperature of 66.9°F (19.4°C) and an average low-temperature of 50.2°F (10.1°C).

What is the average humidity in May in Cathedral Square?

In May, the average relative humidity in Cathedral Square is 81%.

What is the rainiest month in Cathedral Square?

The months with the most rainfall in Cathedral Square are May and June, with an average 3.7" (94mm) of precipitation.

How many days does it rain in May in Cathedral Square?

In Cathedral Square, Iowa, during May, the rain falls for 17.7 days and regularly aggregates up to 3.7" (94mm) of precipitation.

When it does not snow in Cathedral Square?

In Cathedral Square, snow does not fall in May through September.

Does it snow in Cathedral Square in May?

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

What is the average length of the day in May in Cathedral Square?

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

When is the sunrise / sunset in May in Cathedral Square?

In May, on the first day of the month, sunrise is at 5:56 am and sunset at 8:03 pm. On the last day of the month, in Cathedral Square, sunrise is at 5:28 am and sunset at 8:33 pm CDT.

How many hours of sunshine does Cathedral Square have in May?

In May, the average sunshine duration in Cathedral Square is 8.2h.

What is the UV index reading in May in Cathedral Square?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents 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
Cathedral Square, IA

Average temperature in May - Cathedral Square, IA
  • Average high temperature in May: 66.9°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 (25°F).

  • Average low temperature in May: 50.2°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

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Average pressure in May
Cathedral Square, IA

Average pressure in May - Cathedral Square, 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).

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Average wind speed in May
Cathedral Square, IA

Average wind speed in May - Cathedral Square, 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).

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Average humidity in May
Cathedral Square, IA

Average humidity in May - Cathedral Square, IA
  • Average humidity in May: 81%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in May
Cathedral Square, IA

Average rainfall in May - Cathedral Square, IA
  • Average rainfall in May: 3.7"

The wettest months (with the highest rainfall) are May and June (3.7").
The driest months (with the least rainfall) are January and February (1.14").

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Average rainfall days in May
Cathedral Square, IA

Average rainfall days in May - Cathedral Square, IA
  • Average rainfall days in May: 17.7 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.4 days).

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Average snowfall in May
Cathedral Square, IA

Average snowfall in May - Cathedral Square, IA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Cathedral Square, IA

Average snowfall days in May - Cathedral Square, IA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Cathedral Square, IA

Average daylight in May / Average sunshine in May - Cathedral Square, 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 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in May
Cathedral Square, IA

Average sunshine days in May - Cathedral Square, IA
  • Average sunshine days in May: 12.1 days

The months with the most sunshine days are November and December (17.5 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in May
Cathedral Square, IA

Average UV index in May - Cathedral Square, IA
  • 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, November and December (UV index 1).

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Average cloud cover in May
Cathedral Square, IA

Average cloud cover in May - Cathedral Square, IA
  • Average cloud cover in May: 45

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in May
Cathedral Square, IA

Average visibility in May - Cathedral Square, 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).

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Cathedral Square, Iowa, USA

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