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 transition from April to May brings a temperature rise, with average high-temperatures increasing from a comfortable 61.2°F (16.2°C) to an agreeable 71.1°F (21.7°C). During the nights in May, the temperature averages to a fresh 54.1°F (12.3°C).Humidity
In Saint Paul, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 19.2 days and typically aggregates up to 4.25" (108mm) of precipitation.Snowfall
May through September are months without snowfall in Saint Paul.Daylight
In Saint Paul, the average length of the day in May is 14h and 28min.On the first day of May, sunrise is at 6:03 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:30 pm CDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 5 in May transforms into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
What is the rainiest month in Saint Paul?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May in Saint Paul?
When is the sunrise / sunset in May?
How many hours of sunshine does Saint Paul have in May?
What is the UV index intensity in May?
Average temperature in May
Saint Paul, IA
- Average high temperature in May: 71.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in May
Saint Paul, IA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Saint Paul, IA
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in May
Saint Paul, IA
- Average humidity in May: 79%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Saint Paul, IA
- Average rainfall in May: 4.25"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days in May
Saint Paul, IA
- Average rainfall days in May: 19.2 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in May
Saint Paul, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Saint Paul, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Saint Paul, IA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Saint Paul, IA
- Average sunshine days in May: 9.2 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in May
Saint Paul, IA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Saint Paul, IA
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in May
Saint Paul, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Saint Paul, Iowa, USA
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