May weather forecastFort Madison, IA
May
Weather in May
In May, Fort Madison enjoys a refreshing spring climate before the onset of summer. The rise in temperature is complemented by increased sunshine hours. As nature fully embraces spring, the rainfall becomes more frequent, contributing to the city's lush landscapes. The city witnesses a decline in wind speed, and the outdoor conditions turn more amiable. The temperatures during this month range from 54.3°F (12.4°C) to 71.1°F (21.7°C), marking a transition towards the summer season.Temperature
May's onset witnesses a shift in the average high-temperature, moving from an enjoyable 61.2°F (16.2°C) in April to a pleasant 71.1°F (21.7°C). Fort Madison temperatures generally rest at a low of 54.3°F (12.4°C) during the May nights.Humidity
In Fort Madison, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall in Fort Madison is May, when the rain falls for 14.4 days and typically aggregates up to 1.46" (37mm) of precipitation.Snowfall
In Fort Madison, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 28min.On the first day of May, sunrise is at 6:02 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:29 pm CDT.
Sunshine
In May, the average sunshine is 9h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during May translates into the following guidance:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fort Madison, 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 (30.4°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in May
Fort Madison, 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
Fort Madison, IA
- Average wind speed in May: 8.7mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in May
Fort Madison, 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
Fort Madison, IA
- Average rainfall in May: 1.46"
The wettest month (with the highest rainfall) is May (1.46").
The driest months (with the least rainfall) are January and December (0.47").
Average rainfall days in May
Fort Madison, IA
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in May
Fort Madison, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Fort Madison, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.7 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
Fort Madison, IA
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 9h and 0min
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 18min).
Average sunshine days in May
Fort Madison, IA
- Average sunshine days in May: 14 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is May (14 days).
Average UV index in May
Fort Madison, 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
Fort Madison, IA
- Average cloud cover in May: 39
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 28).
Average visibility in May
Fort Madison, 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).
