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 start of May brings a shift in the average high-temperature, increasing from April's refreshing 56.3°F (13.5°C) to a pleasant 68.5°F (20.3°C). May nights cool down to an average low-temperature of 51.1°F (10.6°C).Humidity
In May, the average relative humidity is 69%.Rainfall
In Doon, in May, it is raining for 17.9 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, in Doon, there are 130 rainfall days, and 24.09" (612mm) of precipitation is accumulated.Snowfall
Months with snowfall in Doon are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Doon aggregates 0.24" (6mm) of snow. Throughout the year, there are 49.2 snowfall days, and 19.41" (493mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 42min.On the first day of May in Doon, sunrise is at 6:16 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:57 pm CDT.
Sunshine
The average sunshine in May in Doon is 8.8h.UV index
The average daily maximum UV index in May in Doon is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Caution! The reflection of snow can nearly 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 are the temperatures in Doon in May?
What is the average humidity in May in Doon?
How many days does it rain in May in Doon?
What is the last month it snows in Doon?
How many hours of daylight does Doon have in May?
When is the sunrise / sunset in May in Doon?
How long on average sun shines in May in Doon?
What is the UV index reading in May in Doon?
Average temperature in May
Doon, IA
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in May
Doon, IA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Doon, IA
- Average wind speed in May: 9.6mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in May
Doon, IA
- Average humidity in May: 69%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (67%).
Average rainfall in May
Doon, IA
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in May
Doon, IA
- Average rainfall days in May: 17.9 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Doon, IA
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Doon, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Doon, IA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Doon, IA
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in May
Doon, IA
- Average UV index in May: 5
The months with the highest UV index are June and July (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
Doon, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Doon, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Doon, Iowa, USA
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