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
With the onset of May, the average high-temperature slightly shifts from April's mild 58.8°F (14.9°C) to an agreeable 69.3°F (20.7°C). In May, the temperature drops to an average of 52.3°F (11.3°C) at night.Humidity
In May, the average relative humidity is 79%.Rainfall
In Gibson, in May, it is raining for 14.8 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 117.7 rainfall days, and 15.12" (384mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Gibson aggregates 0.16" (4mm) of snow. Throughout the year, there are 34.7 snowfall days, and 6.54" (166mm) of snow is accumulated.Daylight
In Gibson, the average length of the day in May is 14h and 32min.On the first day of May, sunrise is at 6:05 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:36 pm CDT.
Sunshine
In Gibson, the average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In May, the UV index of 5 transforms into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Gibson have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Gibson have in May?
What is the UV index reading in May?
Average temperature in May
Gibson, IA
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (27.3°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 (14.5°F).
Average pressure in May
Gibson, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Gibson, 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
Gibson, IA
- Average humidity in May: 79%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Gibson, IA
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in May
Gibson, IA
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in May
Gibson, IA
- Average snowfall in May: 0.16"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Gibson, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Gibson, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Gibson, IA
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in May
Gibson, 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
Gibson, IA
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in May
Gibson, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Gibson, Iowa, USA
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