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 introduces a subtle rise in the average high-temperature, nudging from a refreshing 65.1°F (18.4°C) in April to a pleasant 72.9°F (22.7°C). Nightly temperatures in Dayton drop to an average low of 56.3°F (13.5°C) in May.Humidity
May is the most humid month, with an average relative humidity of 81%.Rainfall
The month with the most rainfall is May, when the rain falls for 15.2 days and typically aggregates up to 2.6" (66mm) of precipitation.Snowfall
January through March, May, October through December are months with snowfall in Dayton, Missouri. May is the first month it typically snows. Throughout May, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. In Dayton, during the entire year, snow falls for 11.5 days and aggregates up to 2.2" (56mm) of snow.Daylight
The average length of the day in May is 14h and 17min.On the first day of May in Dayton, sunrise is at 6:18 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:34 pm CDT.
Sunshine
In Dayton, the average sunshine in May is 8.7h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: During May, 6 as the daily maximum UV index converts into the following advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Dayton in May?
What is the most humid month in Dayton?
What is the average humidity in May in Dayton?
What is the wettest month in Dayton?
How much does it rain in Dayton in May?
When does it start snowing in Dayton?
What is the average length of the day in May in Dayton?
When are sunrise and sunset in May in Dayton?
How long on average sun shines in May in Dayton?
What are the months with the highest UV index in Dayton?
How high is the UV index in May in Dayton?
Average temperature in May
Dayton, MO
- Average high temperature in May: 72.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 56.3°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Dayton, MO
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Dayton, MO
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in May
Dayton, MO
- Average humidity in May: 81%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Dayton, MO
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in May
Dayton, MO
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in May
Dayton, MO
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in May
Dayton, MO
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Dayton, MO
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in May
Dayton, MO
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in May
Dayton, MO
- Average UV index in May: 6
The months with the highest UV index are May, 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
Dayton, MO
- Average cloud cover in May: 39
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in May
Dayton, MO
- 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).
Dayton, Missouri, USA
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