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
An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a moderate 59.9°F (15.5°C) to a pleasant 69.6°F (20.9°C). In the month of May, Indianola experiences an average low-temperature of 52.9°F (11.6°C).Humidity
In Indianola, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 15.9 days and typically aggregates up to 3.07" (78mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Indianola aggregates 0.04" (1mm) of snow. In Indianola, during the entire year, snow falls for 31.9 days and aggregates up to 10.12" (257mm) of snow.Daylight
The average length of the day in May is 14h and 32min.On the first day of May, sunrise is at 6:10 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:40 pm CDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Indianola in May?
What is the average humidity in May?
What is the rainiest month?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Indianola have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Indianola have in May?
What is the UV index reading in May?
Average temperature in May
Indianola, IA
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 52.9°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in May
Indianola, 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
Indianola, IA
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in May
Indianola, IA
- Average humidity in May: 79%
The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Indianola, IA
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (0.55").
Average rainfall days in May
Indianola, IA
- Average rainfall days in May: 15.9 days
The months with the highest number of rainy days are May and June (15.9 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in May
Indianola, IA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Indianola, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Indianola, 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 12min).
- Average sunshine in May: 8h and 4min
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
Indianola, IA
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (11 days).
Average UV index in May
Indianola, IA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Indianola, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Indianola, 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).
Indianola, Iowa, USA
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