May weather forecast
Guttenberg, IA

Weather in May

The last month of the spring, May, is an enjoyable month in Guttenberg, Iowa, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 48.7°F (9.3°C).

Temperature

In Guttenberg, Iowa, the average high-temperature in May increases from a cool 54.9°F (12.7°C) in April to an enjoyable 66.7°F (19.3°C). In May, the average low-temperature is 48.7°F (9.3°C).

Humidity

The average relative humidity in May is 81%.

Rainfall

The month with the most rainfall in Guttenberg is May, when the rain falls for 18 days and typically aggregates up to 3.94" (100mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Guttenberg aggregates 0.04" (1mm) of snow. In Guttenberg, during the entire year, snow falls for 48.6 days and aggregates up to 19.57" (497mm) of snow.

Daylight

In May, the average length of the day in Guttenberg is 14h and 40min.
On the first day of May, sunrise is at 5:58 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:35 pm CDT.

Sunshine

The average sunshine in May is 8.3h.

UV index

In May, the average daily maximum UV index in Guttenberg is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in May in Guttenberg?

In May, the average relative humidity in Guttenberg, Iowa, is 81%.

What is the wettest month in Guttenberg?

The month with the most rainfall in Guttenberg is May, when the rain falls for 18 days and typically aggregates up to 3.94" (100mm) of precipitation.

How many days does it rain in May in Guttenberg?

In May, the rain falls for 18 days. Throughout May, 3.94" (100mm) of precipitation is accumulated.

What is the last month it snows in Guttenberg?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Guttenberg aggregates 0.04" (1mm) of snow.

What is the average length of the day in May in Guttenberg?

The average day length in May in Guttenberg, Iowa, is 14h and 40min.

When is the sunrise / sunset in May in Guttenberg?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 8:04 pm. On the last day of the month, in Guttenberg, sunrise is at 5:28 am and sunset at 8:35 pm CDT.

How long on average sun shines in May in Guttenberg?

The average sunshine duration in May in Guttenberg, Iowa, is 8.3h.

What is the UV index intensity in May in Guttenberg?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Guttenberg, IA

Average temperature in May - Guttenberg, IA
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.7°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

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Average pressure in May
Guttenberg, IA

Average pressure in May - Guttenberg, IA
  • Average pressure in May: 29.94"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
Guttenberg, IA

Average wind speed in May - Guttenberg, IA
  • Average wind speed in May: 8.6mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in May
Guttenberg, IA

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

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in May
Guttenberg, IA

Average rainfall in May - Guttenberg, IA
  • Average rainfall in May: 3.94"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is January (1.18").

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Average rainfall days in May
Guttenberg, IA

Average rainfall days in May - Guttenberg, IA
  • Average rainfall days in May: 18 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.4 days).

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Average snowfall in May
Guttenberg, IA

Average snowfall in May - Guttenberg, IA
  • Average snowfall in May: 0.04"

The month with the highest snowfall is January (5.2").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Guttenberg, IA

Average snowfall days in May - Guttenberg, IA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (12.5 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
Guttenberg, IA

Average daylight in May / Average sunshine in May - Guttenberg, IA
  • Average daylight in May: 14h and 40min

The month with the longest days is June (Average daylight: 15h and 17min).
The month with the shortest days is December (Average daylight: 9h and 5min).

  • Average sunshine in May: 8h and 18min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in May
Guttenberg, IA

Average sunshine days in May - Guttenberg, IA
  • Average sunshine days in May: 11 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in May
Guttenberg, IA

Average UV index in May - Guttenberg, 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, November and December (UV index 1).

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Average cloud cover in May
Guttenberg, IA

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

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in May
Guttenberg, IA

Average visibility in May - Guttenberg, 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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