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 shift into May brings an increase in the average high-temperature, moving from a fresh 55.2°F (12.9°C) in April to a refreshing 67.3°F (19.6°C). An average temperature of 50.5°F (10.3°C) is recorded during the nights in May.Humidity
The average relative humidity in May is 77%.Rainfall
In Plainfield, in May, during 17.4 rainfall days, 3.78" (96mm) of precipitation is typically accumulated. In Plainfield, during the entire year, the rain falls for 127.3 days and collects up to 26.61" (676mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Plainfield. During 0.2 snowfall days, in May, Plainfield aggregates 0.35" (9mm) of snow. Throughout the year, there are 46.8 snowfall days, and 19.76" (502mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 40min.On the first day of the month, sunrise is at 6:03 am and sunset at 8:11 pm. On the last day of May, in Plainfield, sunrise is at 5:34 am and sunset at 8:41 pm CDT.
Sunshine
The average sunshine in May in Plainfield is 8.2h.UV index
In Plainfield, Iowa, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the temperature in May in Plainfield?
What is the average humidity in May in Plainfield?
How many days does it rain in May in Plainfield?
What is the last month it snows in Plainfield?
What is the average length of the day in May in Plainfield?
When are sunrise and sunset in May in Plainfield?
How long on average sun shines in May in Plainfield?
What is the UV index reading in May in Plainfield?
Average temperature in May
Plainfield, IA
- Average high temperature in May: 67.3°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in May
Plainfield, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Plainfield, IA
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in May
Plainfield, IA
- Average humidity in May: 77%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Plainfield, IA
- Average rainfall in May: 3.78"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in May
Plainfield, IA
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in May
Plainfield, IA
- Average snowfall in May: 0.35"
The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Plainfield, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Plainfield, 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 6min).
- Average sunshine in May: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Plainfield, IA
- Average sunshine days in May: 12.2 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in May
Plainfield, IA
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Plainfield, IA
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Plainfield, 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).
Plainfield, Iowa, USA
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