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
In May, the meteorological conditions change with the average high-temperature moving from an enjoyable 62.4°F (16.9°C) in April to an agreeable 72°F (22.2°C). In May, the average low-temperature records at a fresh 54.5°F (12.5°C) during the nights.Humidity
In Percival, the average relative humidity in May is 73%.Rainfall
In Percival, during May, the rain falls for 16.9 days and regularly aggregates up to 4.17" (106mm) of precipitation. In Percival, during the entire year, the rain falls for 125.7 days and collects up to 26.73" (679mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Percival, the average length of the day in May is 14h and 28min.On the first day of May, sunrise is at 6:20 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:47 pm CDT.
Sunshine
In Percival, the average sunshine in May is 8.9h.UV index
In Percival, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during May leads to these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Percival have in May?
What is the UV index intensity in May?
Average temperature in May
Percival, IA
- Average high temperature in May: 72°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in May
Percival, IA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Percival, IA
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in May
Percival, IA
- Average humidity in May: 73%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (66%).
Average rainfall in May
Percival, IA
- Average rainfall in May: 4.17"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in May
Percival, IA
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in May
Percival, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Percival, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Percival, IA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
Percival, IA
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in May
Percival, IA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Percival, IA
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in May
Percival, 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).
Percival, Iowa, USA
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