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 onset of May brings a rise in the average high-temperature, elevating from a refreshing 60.1°F (15.6°C) in April to an agreeable 70°F (21.1°C). The nighttime temperature dips to a cool 53.2°F (11.8°C) on average during May.Humidity
The average relative humidity in May is 80%.Rainfall
May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 4.02" (102mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Chillicothe aggregates 0.04" (1mm) of snow. In Chillicothe, during the entire year, snow falls for 33.5 days and aggregates up to 14.17" (360mm) of snow.Daylight
In Chillicothe, the average length of the day in May is 14h and 30min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:07 pm. On the last day of May, sunrise is at 5:39 am and sunset at 8:35 pm CDT.
Sunshine
The average sunshine in May in Chillicothe is 8.5h.UV index
In Chillicothe, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What is the temperature in May in Chillicothe?
What is the average humidity in May in Chillicothe?
What is the wettest month in Chillicothe?
How much does it rain in Chillicothe in May?
What is the last month it snows in Chillicothe?
What is the average length of the day in May in Chillicothe?
When is the sunrise / sunset in May in Chillicothe?
How long on average sun shines in May in Chillicothe?
What is the UV index intensity in May in Chillicothe?
Average temperature in May
Chillicothe, IA
- Average high temperature in May: 70°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in May: 53.2°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in May
Chillicothe, 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
Chillicothe, IA
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in May
Chillicothe, IA
- Average humidity in May: 80%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Chillicothe, IA
- Average rainfall in May: 4.02"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in May
Chillicothe, IA
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in May
Chillicothe, IA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Chillicothe, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Chillicothe, 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 18min).
- 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: 4h and 12min).
Average sunshine days in May
Chillicothe, IA
- Average sunshine days in May: 11.6 days
The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in May
Chillicothe, 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
Chillicothe, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in May
Chillicothe, 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).
Chillicothe, Iowa, USA
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