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
With the beginning of May, Union's average high-temperature sees an increase, transitioning from a refreshing 60.8°F (16°C) in April to an agreeable 71.2°F (21.8°C). May's average low-temperature reading in Union settles at a fresh 54.5°F (12.5°C).Humidity
In Union, the average relative humidity in May is 80%.Rainfall
The month with the most rainfall in Union, Ohio, is May, when the rain falls for 17 days and typically aggregates up to 2.13" (54mm) of precipitation.Snowfall
In Union, snow does not fall in May through October.Daylight
In May, the average length of the day in Union is 14h and 24min.On the first day of May in Union, sunrise is at 6:36 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:59 pm EDT.
Sunshine
The average sunshine in May in Union is 9h.UV index
The average daily maximum UV index in May in Union is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 5 in May transforms into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Union in May?
What is the average humidity in May in Union?
What is the rainiest month in Union?
How much does it rain in Union in May?
When it does not snow in Union?
Does it snow in Union in May?
What is the average length of the day in May in Union?
When are sunrise and sunset in May in Union?
How many hours of sunshine does Union have in May?
What is the UV index intensity in May in Union?
Average temperature in May
Union, OH
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in May
Union, OH
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Union, OH
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Union, OH
- Average humidity in May: 80%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in May
Union, OH
- Average rainfall in May: 2.13"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is November (0.83").
Average rainfall days in May
Union, OH
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in May
Union, OH
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Union, OH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Union, OH
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Union, OH
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in May
Union, 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
Union, OH
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Union, 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).
Union, Ohio, USA
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