May weather forecast
Cou Falls, IA

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Weather in May

May, the last month of the spring in Cou Falls, is a pleasant month, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 68.9°F (20.5°C).

Temperature

The arrival of May sees a shift in the average high-temperature, moving from a moderate 57.9°F (14.4°C) in April to an agreeable 68.9°F (20.5°C). Throughout the month of May, Cou Falls reports a steady low-temperature average of 52.3°F (11.3°C).

Humidity

In Cou Falls, the average relative humidity in May is 79%.

Rainfall

May is the month with the most rainfall in Cou Falls. Rain falls for 16 days and accumulates 3.07" (78mm) of precipitation.

Snowfall

In Cou Falls, snow does not fall in May through September.

Daylight

The average length of the day in May in Cou Falls is 14h and 34min.
On the first day of May, sunrise is at 6:01 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:34 pm CDT.

Sunshine

In May, the average sunshine in Cou Falls is 8.7h.

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 radiation for the ordinary person.
Note: In May, the UV index of 5 transforms into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Frequently asked questions

What is the average May temperature in Cou Falls?

The high-temperature, in May, in Cou Falls, records 68.9°F (20.5°C), while the low-temperature is 52.3°F (11.3°C).

What is the average humidity in May in Cou Falls?

The average relative humidity in May in Cou Falls, Iowa, is 79%.

What is the wettest month in Cou Falls?

May is the month with the most rainfall in Cou Falls. Rain falls for 16 days and accumulates 3.07" (78mm) of precipitation.

How much does it rain in Cou Falls in May?

In Cou Falls, Iowa, in May, it is raining for 16 days, with typically 3.07" (78mm) of accumulated precipitation.

When it does not snow in Cou Falls?

May through September are months without snowfall.

Does it snow in Cou Falls in May?

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

What is the average length of the day in May in Cou Falls?

In May, the average day length is 14h and 34min.

When is the sunrise / sunset in May in Cou Falls?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 8:05 pm. On the last day of the month, in Cou Falls, sunrise is at 5:34 am and sunset at 8:34 pm CDT.

How long on average sun shines in May in Cou Falls?

The average sunshine duration in May is 8.7h.

What is the UV index intensity in May in Cou Falls?

In Cou Falls, Iowa, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Cou Falls, IA

Average temperature in May - Cou Falls, IA
  • Average high temperature in May: 68.9°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

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Average pressure in May
Cou Falls, IA

Average pressure in May - Cou Falls, IA
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in May
Cou Falls, IA

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

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in May
Cou Falls, IA

Average humidity in May - Cou Falls, IA
  • Average humidity in May: 79%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in May
Cou Falls, IA

Average rainfall in May - Cou Falls, IA
  • Average rainfall in May: 3.07"

The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and February (0.63").

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Average rainfall days in May
Cou Falls, IA

Average rainfall days in May - Cou Falls, IA
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).

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Average snowfall in May
Cou Falls, IA

Average snowfall in May - Cou Falls, IA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Cou Falls, IA

Average snowfall days in May - Cou Falls, IA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (10.3 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
Cou Falls, IA

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

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in May
Cou Falls, IA

Average sunshine days in May - Cou Falls, IA
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in May
Cou Falls, IA

Average UV index in May - Cou Falls, 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 and December (UV index 1).

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Average cloud cover in May
Cou Falls, IA

Average cloud cover in May - Cou Falls, IA
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in May
Cou Falls, IA

Average visibility in May - Cou Falls, IA
  • Average visibility in May: 6mi

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

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Cou Falls, Iowa, USA

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