May weather forecast
Dunlap, IA

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Weather in May

May, the last month of the spring in Dunlap, is an agreeable month, with an average temperature fluctuating between 70.3°F (21.3°C) and 53.4°F (11.9°C).

Temperature

As April gives way to May, the average high-temperature displays an increase, moving from a refreshing 59.5°F (15.3°C) to an agreeable 70.3°F (21.3°C). May nights in Dunlap, Iowa, observe an average temperature dip to a fresh 53.4°F (11.9°C).

Humidity

In May, the average relative humidity is 72%.

Rainfall

May is the month with the most rainfall in Dunlap. Rain falls for 16.1 days and accumulates 3.27" (83mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Dunlap aggregates 0.12" (3mm) of snow. Throughout the year, in Dunlap, there are 32.1 snowfall days, and 10.59" (269mm) of snow is accumulated.

Daylight

In May, the average length of the day in Dunlap is 14h and 34min.
On the first day of the month, sunrise is at 6:17 am and sunset at 8:21 pm. On the last day of May, in Dunlap, Iowa, sunrise is at 5:49 am and sunset at 8:50 pm CDT.

Sunshine

In May, the average sunshine in Dunlap is 8.9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during May translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the average May temperature in Dunlap?

The high-temperature in Dunlap, Iowa, during May is 70.3°F (21.3°C) and the low-temperature is 53.4°F (11.9°C).

What is the average humidity in May in Dunlap?

In May, the average relative humidity in Dunlap, Iowa, is 72%.

What is the wettest month in Dunlap?

May is the month with the most rainfall in Dunlap. Rain falls for 16.1 days and accumulates 3.27" (83mm) of precipitation.

How much does it rain in Dunlap in May?

In Dunlap, Iowa, in May, during 16.1 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

What is the last month it snows in Dunlap?

May is the last month it regularly snows in Dunlap, Iowa. During 0.2 snowfall days, in May, Dunlap aggregates 0.12" (3mm) of snow.

How many hours of daylight does Dunlap have in May?

The average day length in May in Dunlap is 14h and 34min.

What time are sunrise and sunset in May in Dunlap?

In May, on the first day of the month, sunrise is at 6:17 am and sunset at 8:21 pm. On the last day of the month, in Dunlap, Iowa, sunrise is at 5:49 am and sunset at 8:50 pm CDT.

How many hours of sunshine does Dunlap have in May?

In May, the average sunshine duration is 8.9h.

How high is the UV index in May in Dunlap?

In May, the average daily maximum UV index in Dunlap is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Dunlap, IA

Average temperature in May - Dunlap, IA
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in May: 53.4°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

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Average pressure in May
Dunlap, IA

Average pressure in May - Dunlap, 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).

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Average wind speed in May
Dunlap, IA

Average wind speed in May - Dunlap, IA
  • Average wind speed in May: 9.2mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

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Average humidity in May
Dunlap, IA

Average humidity in May - Dunlap, IA
  • Average humidity in May: 72%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April and October (67%).

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Average rainfall in May
Dunlap, IA

Average rainfall in May - Dunlap, IA
  • Average rainfall in May: 3.27"

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in May
Dunlap, IA

Average rainfall days in May - Dunlap, IA
  • Average rainfall days in May: 16.1 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall in May
Dunlap, IA

Average snowfall in May - Dunlap, IA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is February (2.56").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Dunlap, IA

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

The month with the highest number of snowfall days is January (9 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
Dunlap, IA

Average daylight in May / Average sunshine in May - Dunlap, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in May
Dunlap, IA

Average sunshine days in May - Dunlap, IA
  • Average sunshine days in May: 12.6 days

The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is June (11.7 days).

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Average UV index in May
Dunlap, IA

Average UV index in May - Dunlap, 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).

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Average cloud cover in May
Dunlap, IA

Average cloud cover in May - Dunlap, IA
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in May
Dunlap, IA

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

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

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Dunlap, Iowa, USA

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