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 in Dayton sees a rise in the average high-temperature, climbing from a comfortable 61.3°F (16.3°C) in April to an agreeable 71.2°F (21.8°C). In Dayton, May is marked by an average low-temperature of 54.7°F (12.6°C).Humidity
In May, the average relative humidity in Dayton is 79%.Rainfall
The month with the most rainfall in Dayton is May, when the rain falls for 18.8 days and typically aggregates up to 3.35" (85mm) of precipitation.Snowfall
In Dayton, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 23min.On the first day of May, sunrise is at 6:36 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:58 pm EDT.
Sunshine
In Dayton, the average sunshine in May is 9h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 5 in May transforms into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are May temperatures 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 it does not snow in Dayton?
Does it snow in Dayton in May?
How many hours of daylight does Dayton have in May?
What time are sunrise and sunset in May in Dayton?
How many hours of sunshine does Dayton have in May?
How high is the UV index in May in Dayton?
Average temperature in May
Dayton, OH
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in May: 54.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in May
Dayton, OH
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Dayton, OH
- Average wind speed in May: 7.7mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Dayton, OH
- Average humidity in May: 79%
The months with the highest relative humidity are January, February and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Dayton, OH
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are September and November (1.5").
Average rainfall days in May
Dayton, OH
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in May
Dayton, OH
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Dayton, OH
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.2 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
Dayton, OH
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 9h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Dayton, OH
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in May
Dayton, OH
- 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
Dayton, OH
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Dayton, OH
- 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, Ohio, USA
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