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 rise in the average high-temperature, moving from a cool 54.9°F (12.7°C) in April to an enjoyable 67.6°F (19.8°C). In May, Okoboji experiences a temperature dip to an average of 50.9°F (10.5°C) at night.Humidity
The average relative humidity in May is 70%.Rainfall
In Okoboji, in May, it is raining for 17.6 days, with typically 3.35" (85mm) of accumulated precipitation. In Okoboji, during the entire year, the rain falls for 124.6 days and collects up to 24.37" (619mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Okoboji aggregates 0.2" (5mm) of snow. Throughout the year, in Okoboji, there are 47.4 snowfall days, and 21.93" (557mm) of snow is accumulated.Daylight
In Okoboji, the average length of the day in May is 14h and 43min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:22 pm. On the last day of May, in Okoboji, Iowa, sunrise is at 5:42 am and sunset at 8:53 pm CDT.
Sunshine
The average sunshine in May in Okoboji is 8.5h.UV index
In Okoboji, Iowa, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Okoboji in May?
What is the average humidity in May in Okoboji?
How much does it rain in Okoboji in May?
What is the last month it snows in Okoboji?
What is the average length of the day in May in Okoboji?
When is the sunrise / sunset in May in Okoboji?
How long on average sun shines in May in Okoboji?
What is the UV index intensity in May in Okoboji?
Average temperature in May
Okoboji, IA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in May
Okoboji, 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 (29.87"Hg).
Average wind speed in May
Okoboji, IA
- Average wind speed in May: 9.8mph
The windiest months (with the highest average wind speed) are January, February and April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in May
Okoboji, IA
- Average humidity in May: 70%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in May
Okoboji, IA
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in May
Okoboji, IA
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in May
Okoboji, IA
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Okoboji, IA
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is December (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Okoboji, IA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Okoboji, IA
- Average sunshine days in May: 11 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in May
Okoboji, 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 and November (UV index 1).
Average cloud cover in May
Okoboji, IA
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Okoboji, 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).
Okoboji, Iowa, USA
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