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
May's arrival signals a temperature shift, moving from a moderate 59.5°F (15.3°C) in April to an agreeable 70.2°F (21.2°C). In West Chester, in May, the average low-temperature is a cool 53.8°F (12.1°C).Humidity
In May, the average relative humidity is 79%.Rainfall
May is the month with the most rainfall in West Chester. Rain falls for 17 days and accumulates 2.91" (74mm) of precipitation.Snowfall
May through September are months without snowfall in West Chester.Daylight
In May, the average length of the day in West Chester is 14h and 31min.On the first day of May, sunrise is at 6:03 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:33 pm CDT.
Sunshine
In West Chester, the average sunshine in May is 8.9h.UV index
In West Chester, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 5 during May translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the usual temperature for West Chester in May?
What is the average humidity in May in West Chester?
What is the wettest month in West Chester?
How much does it rain in West Chester in May?
When it does not snow in West Chester?
Does it snow in West Chester in May?
How many hours of daylight does West Chester have in May?
When is the sunrise / sunset in May in West Chester?
How many hours of sunshine does West Chester have in May?
What is the UV index reading in May in West Chester?
Average temperature in May
West Chester, IA
- Average high temperature in May: 70.2°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 53.8°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in May
West Chester, 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 (29.9"Hg).
Average wind speed in May
West Chester, IA
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in May
West Chester, IA
- Average humidity in May: 79%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
West Chester, IA
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in May
West Chester, IA
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in May
West Chester, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
West Chester, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.9 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
West Chester, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
West Chester, IA
- Average sunshine days in May: 10.9 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in May
West Chester, 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
West Chester, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in May
West Chester, 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).
West Chester, Iowa, USA
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