May weather forecastGrand Rapids, OH
May
Weather in May
May, the last month of the spring in Grand Rapids, is a pleasant month, with an average temperature varying between 69.8°F (21°C) and 52.7°F (11.5°C).Temperature
Grand Rapids's weather in May presents a rise in the average high-temperature, moving from a refreshing 57.7°F (14.3°C) in April to a pleasant 69.8°F (21°C). Grand Rapids reports an average low-temperature of 52.7°F (11.5°C) during the nights of May.Humidity
In Grand Rapids, the average relative humidity in May is 76%.Rainfall
In Grand Rapids, in May, during 18.8 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, in Grand Rapids, there are 170.7 rainfall days, and 28.39" (721mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Grand Rapids, Ohio. May is the last month it regularly snows. During 0.1 snowfall days, in May, Grand Rapids aggregates 0.04" (1mm) of snow. In Grand Rapids, during the entire year, snow falls for 52.6 days and aggregates up to 15.87" (403mm) of snow.Daylight
In Grand Rapids, the average length of the day in May is 14h and 32min.On the first day of the month, sunrise is at 6:31 am and sunset at 8:33 pm. On the last day of May, sunrise is at 6:04 am and sunset at 9:02 pm EDT.
Sunshine
In May, the average sunshine in Grand Rapids, Ohio, is 8.8h.UV index
In May, the average daily maximum UV index in Grand Rapids is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 5 in May transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Grand Rapids, OH
- Average high temperature in May: 69.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in May
Grand Rapids, 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
Grand Rapids, OH
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Grand Rapids, OH
- Average humidity in May: 76%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Grand Rapids, OH
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is December (1.73").
Average rainfall days in May
Grand Rapids, 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 (8.8 days).
Average snowfall in May
Grand Rapids, OH
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Grand Rapids, OH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grand Rapids, 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: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Grand Rapids, OH
- Average sunshine days in May: 10.1 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in May
Grand Rapids, OH
- Average UV index in May: 5
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Grand Rapids, OH
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Grand Rapids, OH
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





