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
South Amana's transition into May is marked by a rise in the average high-temperature, advancing from a moderate 58.1°F (14.5°C) in April to an agreeable 69.1°F (20.6°C). An average temperature of 52.3°F (11.3°C) marks the nights in May.Humidity
In May, the average relative humidity is 79%.Rainfall
The month with the most rainfall in South Amana is May, when the rain falls for 18.6 days and typically aggregates up to 4.33" (110mm) of precipitation.Snowfall
Months with snowfall in South Amana are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, South Amana aggregates 0.04" (1mm) of snow. In South Amana, during the entire year, snow falls for 36.9 days and aggregates up to 15.91" (404mm) of snow.Daylight
In South Amana, the average length of the day in May is 14h and 34min.On the first day of the month, sunrise is at 6:03 am and sunset at 8:06 pm. On the last day of May, sunrise is at 5:35 am and sunset at 8:35 pm CDT.
Sunshine
The average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in South Amana?
What is the average humidity in May in South Amana?
What is the wettest month in South Amana?
How much does it rain in South Amana in May?
What is the last month it snows in South Amana?
How many hours of daylight does South Amana have in May?
When are sunrise and sunset in May in South Amana?
How many hours of sunshine does South Amana have in May?
What is the UV index reading in May in South Amana?
Average temperature in May
South Amana, IA
- Average high temperature in May: 69.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in May
South Amana, IA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
South Amana, IA
- Average wind speed in May: 9.1mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
South Amana, IA
- Average humidity in May: 79%
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
South Amana, IA
- Average rainfall in May: 4.33"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in May
South Amana, IA
- Average rainfall days in May: 18.6 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in May
South Amana, IA
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
South Amana, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (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
South Amana, IA
- Average daylight in May: 14h and 4min
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 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
South Amana, IA
- Average sunshine days in May: 9.9 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in May
South Amana, IA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
South Amana, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in May
South Amana, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
South Amana, Iowa, USA
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