May weather forecastWahpeton, IA
May
Weather in May
May, the last month of the spring in Wahpeton, is an enjoyable month, with an average temperature fluctuating between 50.9°F (10.5°C) and 67.6°F (19.8°C).Temperature
Wahpeton's weather in May shows a rise in the average high-temperature, moving up from April's fresh 55°F (12.8°C) to a refreshing 67.6°F (19.8°C). During the month of May, an average temperature of 50.9°F (10.5°C) is noted during the nights.Humidity
In May, the average relative humidity is 69%.Rainfall
In Wahpeton, in May, it is raining for 15.7 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, in Wahpeton, Iowa, there are 121.8 rainfall days, and 23.27" (591mm) of precipitation is accumulated.Snowfall
Months with snowfall in Wahpeton are January through May, October through December. May is the last month it regularly snows in Wahpeton. During 0.4 snowfall days, in May, Wahpeton aggregates 0.16" (4mm) of snow. In Wahpeton, during the entire year, snow falls for 48.3 days and aggregates up to 21.18" (538mm) of snow.Daylight
The average length of the day in May is 14h and 43min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:23 pm. On the last day of May, sunrise is at 5:43 am and sunset at 8:53 pm CDT.
Sunshine
In May, the average sunshine in Wahpeton is 8.7h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the UV index of 5 transforms into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Wahpeton, IA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure in May
Wahpeton, IA
- Average pressure in May: 29.93"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).
Average wind speed in May
Wahpeton, IA
- Average wind speed in May: 9.7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in May
Wahpeton, IA
- Average humidity in May: 69%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in May
Wahpeton, IA
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in May
Wahpeton, IA
- Average rainfall days in May: 15.7 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (3 days).
Average snowfall in May
Wahpeton, IA
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Wahpeton, IA
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is December (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Wahpeton, IA
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Wahpeton, IA
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in May
Wahpeton, 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, February and November (UV index 1).
Average cloud cover in May
Wahpeton, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Wahpeton, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





