Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The onset of May brings a temperature shift, with the average high-temperature moving from a fresh 54.9°F (12.7°C) in April to a refreshing 66.7°F (19.3°C). The month of May records an average low-temperature of 48.7°F (9.3°C).Humidity
The average relative humidity in May is 81%.Rainfall
The month with the most rainfall is May, when the rain falls for 18 days and typically aggregates up to 3.94" (100mm) of precipitation.Snowfall
Months with snowfall in Guttenberg are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Guttenberg aggregates 0.04" (1mm) of snow. Throughout the year, there are 48.6 snowfall days, and 19.57" (497mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 40min.On the first day of May, sunrise is at 5:57 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:35 pm CDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 during May translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
What is the rainiest month?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Guttenberg have in May?
What time are sunrise and sunset in May in Guttenberg?
How long on average sun shines in May?
What is the UV index reading in May?
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in May /
Average sunshine in May
Guttenberg, 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 2min
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).
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).
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).
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).
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).
Guttenberg, Iowa, USA
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