May weather forecastSaint Anthony, IA
May
Weather in May
The last month of the spring, May, is an agreeable month in Saint Anthony, Iowa, with an average temperature fluctuating between 52.5°F (11.4°C) and 69.1°F (20.6°C).Temperature
Saint Anthony's transition into May brings a rise in the average high-temperature, moving from a moderate 58.1°F (14.5°C) in April to an agreeable 69.1°F (20.6°C). During May, the nighttime temperature in Saint Anthony averages of 52.5°F (11.4°C).Humidity
In May, the average relative humidity is 77%.Rainfall
The month with the most rainfall in Saint Anthony is May, when the rain falls for 14.2 days and typically aggregates up to 1.69" (43mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Saint Anthony. During 0.1 snowfall days, in May, Saint Anthony aggregates 0.04" (1mm) of snow. Throughout the year, in Saint Anthony, there are 29.9 snowfall days, and 4.92" (125mm) of snow is accumulated.Daylight
In Saint Anthony, Iowa, the average length of the day in May is 14h and 36min.On the first day of the month, sunrise is at 6:07 am and sunset at 8:12 pm. On the last day of May, sunrise is at 5:39 am and sunset at 8:41 pm CDT.
Sunshine
In May, the average sunshine is 8.6h.UV index
The average daily maximum UV index in May in Saint Anthony is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In May, the maximum UV index of 5 translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Stay sun-safe with clothing that is both closely woven and worn loosely. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Saint Anthony, IA
- Average high temperature in May: 69.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in May
Saint Anthony, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Saint Anthony, IA
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in May
Saint Anthony, IA
- Average humidity in May: 77%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Saint Anthony, IA
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is May (1.69").
The driest months (with the least rainfall) are January and February (0.35").
Average rainfall days in May
Saint Anthony, IA
- Average rainfall days in May: 14.2 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in May
Saint Anthony, IA
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (1.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Saint Anthony, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Saint Anthony, 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 12min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Saint Anthony, IA
- Average sunshine days in May: 13.9 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in May
Saint Anthony, 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, October, November and December (UV index 2).
Average cloud cover in May
Saint Anthony, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in May
Saint Anthony, 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).





