May weather forecast
Coulter, IA

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Weather in May

May, the last month of the spring in Coulter, is an enjoyable month, with an average temperature varying between 67.8°F (19.9°C) and 51.6°F (10.9°C).

Temperature

May brings a rise in Coulter's average high-temperature, moving from a moderate 55.9°F (13.3°C) in April to a comfortable 67.8°F (19.9°C). In May, Coulter encounters an average low-temperature of 51.6°F (10.9°C) during the night.

Humidity

In May, the average relative humidity is 75%.

Rainfall

In May, the rain falls for 19.4 days. Throughout May, 4.25" (108mm) of precipitation is accumulated. In Coulter, during the entire year, the rain falls for 146.2 days and collects up to 29.69" (754mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Coulter. May is the last month it regularly snows in Coulter. During 0.2 snowfall days, in May, Coulter aggregates 0.39" (10mm) of snow. In Coulter, during the entire year, snow falls for 56 days and aggregates up to 24.45" (621mm) of snow.

Daylight

In Coulter, Iowa, the average length of the day in May is 14h and 39min.
On the first day of the month, sunrise is at 6:06 am and sunset at 8:14 pm. On the last day of May, sunrise is at 5:37 am and sunset at 8:44 pm CDT.

Sunshine

In Coulter, the average sunshine in May is 8.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 5 in May translates into these instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Coulter in May?

The average high-temperature, in May, in Coulter, is 67.8°F (19.9°C), while the average low-temperature is 51.6°F (10.9°C).

What is the average humidity in May in Coulter?

In May, the average relative humidity is 75%.

How much does it rain in Coulter in May?

In Coulter, in May, it is raining for 19.4 days, with typically 4.25" (108mm) of accumulated precipitation.

What is the last month it snows in Coulter?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Coulter aggregates 0.39" (10mm) of snow.

How many hours of daylight does Coulter have in May?

In Coulter, the average day length in May is 14h and 39min.

What time are sunrise and sunset in May in Coulter?

In May, on the first day of the month, sunrise is at 6:06 am and sunset at 8:14 pm. On the last day of the month, in Coulter, sunrise is at 5:37 am and sunset at 8:44 pm CDT.

How long on average sun shines in May in Coulter?

In Coulter, the average sunshine duration in May is 8.5h.

When is the highest UV index in Coulter?

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 Coulter?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Coulter, IA

Average temperature in May - Coulter, IA
  • Average high temperature in May: 67.8°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 (23.4°F).

  • Average low temperature in May: 51.6°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 (10.9°F).

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Average pressure in May
Coulter, IA

Average pressure in May - Coulter, IA
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in May
Coulter, IA

Average wind speed in May - Coulter, IA
  • Average wind speed in May: 9.4mph

The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).

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Average humidity in May
Coulter, IA

Average humidity in May - Coulter, IA
  • Average humidity in May: 75%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Coulter, IA

Average rainfall in May - Coulter, IA
  • Average rainfall in May: 4.25"

The wettest month (with the highest rainfall) is June (4.69").
The driest month (with the least rainfall) is January (1.1").

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Average rainfall days in May
Coulter, IA

Average rainfall days in May - Coulter, IA
  • Average rainfall days in May: 19.4 days

The month with the highest number of rainy days is June (20.2 days).
The month with the least rainy days is February (4 days).

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Average snowfall in May
Coulter, IA

Average snowfall in May - Coulter, IA
  • Average snowfall in May: 0.39"

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Coulter, IA

Average snowfall days in May - Coulter, IA
  • Average snowfall days in May: 0.2 days

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

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

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

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

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in May
Coulter, IA

Average sunshine days in May - Coulter, IA
  • Average sunshine days in May: 9.7 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (7.8 days).

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Average UV index in May
Coulter, IA

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

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

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Average cloud cover in May
Coulter, IA

Average cloud cover in May - Coulter, IA
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).

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Average visibility in May
Coulter, IA

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

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

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Coulter, Iowa, USA

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