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
As May arrives, a rise in the average high-temperature is observed, moving from a comfortable 63.3°F (17.4°C) in April to a warm 74.1°F (23.4°C). May's average low-temperature reading settles at a fresh 53.2°F (11.8°C).Humidity
In May, the average relative humidity in Marietta is 78%.Rainfall
May is the month with the most rainfall in Marietta. Rain falls for 18.3 days and accumulates 3.19" (81mm) of precipitation.Snowfall
In Marietta, Ohio, snow does not fall in May through September.Daylight
In May, the average length of the day in Marietta is 14h and 22min.On the first day of May in Marietta, sunrise is at 6:25 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:46 pm EDT.
Sunshine
In May, the average sunshine in Marietta, Ohio, is 8.5h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What is the usual temperature for Marietta in May?
What is the average humidity in May in Marietta?
What is the rainiest month in Marietta?
How many days does it rain in May in Marietta?
When it does not snow in Marietta?
Does it snow in Marietta in May?
What is the average length of the day in May in Marietta?
When are sunrise and sunset in May in Marietta?
How long on average sun shines in May in Marietta?
How high is the UV index in May in Marietta?
Average temperature in May
Marietta, OH
- Average high temperature in May: 74.1°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in May: 53.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in May
Marietta, OH
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Marietta, OH
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Marietta, OH
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, July and August (76%).
Average rainfall in May
Marietta, OH
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in May
Marietta, OH
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in May
Marietta, OH
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Marietta, OH
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9.5 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
Marietta, 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: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Marietta, OH
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in May
Marietta, 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
Marietta, OH
- Average cloud cover in May: 47
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Marietta, OH
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Marietta, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location
