May weather forecastLa Porte City, IA
May
Weather in May
May, the last month of the spring in La Porte City, is an agreeable month, with an average temperature fluctuating between 68.5°F (20.3°C) and 51.8°F (11°C).Temperature
May brings a temperature change, with average high-temperatures moving from April's refreshing 57°F (13.9°C) to an agreeable 68.5°F (20.3°C). La Porte City, in May, observes a steady average low-temperature of 51.8°F (11°C).Humidity
In May, the average relative humidity is 78%.Rainfall
In May, the rain falls for 16 days. Throughout May, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 117.9 rainfall days, and 15.63" (397mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, La Porte City aggregates 0.12" (3mm) of snow. In La Porte City, during the entire year, snow falls for 31.8 days and aggregates up to 6.69" (170mm) of snow.Daylight
In May, the average length of the day is 14h and 37min.On the first day of May, sunrise is at 6:02 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:38 pm CDT.
Sunshine
In La Porte City, the average sunshine in May is 8.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. UV radiation from the Sun is most dangerous during midday; take precautions and seek 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. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
La Porte City, IA
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in May
La Porte City, 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 (29.89"Hg).
Average wind speed in May
La Porte City, IA
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
La Porte City, IA
- Average humidity in May: 78%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
La Porte City, IA
- Average rainfall in May: 2.44"
The wettest month (with the highest rainfall) is June (2.52").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in May
La Porte City, IA
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is May (16 days).
The months with the least rainy days are January and February (3.1 days).
Average snowfall in May
La Porte City, IA
- Average snowfall in May: 0.12"
The months with the highest snowfall are January and February (1.97").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
La Porte City, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
La Porte City, IA
- Average daylight in May: 14h and 36min
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 6min).
- Average sunshine in May: 8h and 36min
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 54min).
Average sunshine days in May
La Porte City, IA
- Average sunshine days in May: 13 days
The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in May
La Porte City, IA
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
La Porte City, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in May
La Porte City, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





