May weather forecastPrairie City, IA
May
Weather in May
The last month of the spring, May, is a pleasant month in Prairie City, Iowa, with an average temperature fluctuating between 69.4°F (20.8°C) and 52.7°F (11.5°C).Temperature
As Prairie City transitions into May, the average high-temperature shows a change, moving from a refreshing 59°F (15°C) in April to an agreeable 69.4°F (20.8°C). Prairie City's average low-temperature in the month of May is recorded at a fresh 52.7°F (11.5°C).Humidity
In May, the average relative humidity is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 14 days and typically aggregates up to 1.81" (46mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Prairie City. During 0.2 snowfall days, in May, Prairie City aggregates 0.12" (3mm) of snow. In Prairie City, Iowa, during the entire year, snow falls for 27.7 days and aggregates up to 4.61" (117mm) of snow.Daylight
In May, the average length of the day is 14h and 33min.On the first day of the month, sunrise is at 6:08 am and sunset at 8:11 pm. On the last day of May, sunrise is at 5:41 am and sunset at 8:40 pm CDT.
Sunshine
In May, the average sunshine in Prairie City is 8.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 5 in May leads to these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Prairie City, IA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in May
Prairie City, 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 (29.89"Hg).
Average wind speed in May
Prairie City, IA
- Average wind speed in May: 8.9mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in May
Prairie City, IA
- Average humidity in May: 78%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Prairie City, IA
- Average rainfall in May: 1.81"
The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in May
Prairie City, IA
- Average rainfall days in May: 14 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Prairie City, IA
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Prairie City, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Prairie City, IA
- Average daylight in May: 14h and 30min
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 12min).
- 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 12min).
Average sunshine days in May
Prairie City, IA
- Average sunshine days in May: 13.9 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in May
Prairie City, 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, October, November and December (UV index 2).
Average cloud cover in May
Prairie City, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in May
Prairie 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).





