May weather forecastVermilion, OH
May
Weather in May
May continues the warming trend in Vermilion with temperatures comfortably sledding into the vibrant 50s°F. As spring matures, the city receives a monthly rainfall of 1.34" (34mm), making it one of the wetter months. Though May signifies the departure of snowfall, keep in mind that late afternoon thundershowers are a common occurrence. Make the most of the extended daylight hours, as tropical summer days are just around the corner.Temperature
As April transitions into May in Vermilion, a change in temperatures is observed, with average highs moving from a cool 50.4°F (10.2°C) to a refreshing 60.8°F (16°C). Vermilion's average low-temperature during May nights is observed to be a cool 50.9°F (10.5°C).Humidity
The average relative humidity in May is 80%.Rainfall
In May, the rain falls for 14.3 days. Throughout May, 1.34" (34mm) of precipitation is accumulated. Throughout the year, there are 138.4 rainfall days, and 12.28" (312mm) of precipitation is accumulated.Snowfall
In Vermilion, snow does not fall in May through October.Ocean temperature
In Vermilion, the average seawater temperature in May is 51.3°F (10.7°C).Note: If planning to swim in 51.3°F (10.7°C) under 50°F (10°C), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 55.4°F (13°C) is not much warmer.
Daylight
In Vermilion, the average length of the day in May is 14h and 32min.On the first day of May, sunrise is at 6:25 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:56 pm EDT.
Sunshine
The average sunshine in May in Vermilion, Ohio, is 9.2h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Vermilion, OH
- Average high temperature in May: 60.8°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in May
Vermilion, OH
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Vermilion, OH
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in May
Vermilion, OH
- Average humidity in May: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in May
Vermilion, OH
- Average rainfall in May: 1.34"
The wettest month (with the highest rainfall) is June (1.38").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in May
Vermilion, OH
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in May
Vermilion, OH
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Vermilion, OH
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Vermilion, OH
- Average sea temperature in May: 51.3°F
The best month for swimming (with the highest average sea temperature) is August (76.6°F).
The coldest month (with the lowest average sea temperature) is February (33.1°F).
Average daylight in May /
Average sunshine in May
Vermilion, OH
- Average daylight in May: 14h and 30min
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 12min).
- Average sunshine in May: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Vermilion, OH
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is March (15 days).
The month with the least sunshine days is January (12.1 days).
Average UV index in May
Vermilion, OH
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Vermilion, OH
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in May
Vermilion, OH
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
