May weather forecast
Ionia, MI

Share

Weather in May

May, the last month of the spring in Ionia, is an enjoyable month, with an average temperature ranging between min 48.6°F (9.2°C) and max 66.7°F (19.3°C).

Temperature

Observing a rise in May, the average high-temperature goes from April's fresh 54.1°F (12.3°C) to a comfortable 66.7°F (19.3°C). Throughout the month of May, the nighttime temperature dips to an average of 48.6°F (9.2°C).

Humidity

In Ionia, the average relative humidity in May is 78%.

Rainfall

May is the month with the most rainfall. Rain falls for 16.4 days and accumulates 2.52" (64mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In May, the average length of the day in Ionia is 14h and 41min.
On the first day of May in Ionia, Michigan, sunrise is at 6:32 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 9:12 pm EDT.

Sunshine

The average sunshine in May is 8.3h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 5 in May translates into this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Ionia in May?

May temperatures vary between a high-temperature of 66.7°F (19.3°C) and a low-temperature of 48.6°F (9.2°C).

What is the average humidity in May?

In Ionia, the average relative humidity in May is 78%.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 16.4 days and typically aggregates up to 2.52" (64mm) of precipitation.

How many days does it rain in May?

In Ionia, during May, the rain falls for 16.4 days and regularly aggregates up to 2.52" (64mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in May?

In May, in Ionia, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Ionia have in May?

In Ionia, the average day length in May is 14h and 41min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:32 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 9:12 pm EDT.

How many hours of sunshine does Ionia have in May?

In May, the average sunshine duration is 8.3h.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Ionia, MI

Average temperature in May - Ionia, MI
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.1°F).

  • Average low temperature in May: 48.6°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in May
Ionia, MI

Average pressure in May - Ionia, MI
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Ionia, MI

Average wind speed in May - Ionia, MI
  • Average wind speed in May: 8.6mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in May
Ionia, MI

Average humidity in May - Ionia, MI
  • Average humidity in May: 78%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).

Average rainfall in May
Ionia, MI

Average rainfall in May - Ionia, MI
  • Average rainfall in May: 2.52"

The wettest month (with the highest rainfall) is May (2.52").
The driest months (with the least rainfall) are February and November (1.06").

Average rainfall days in May
Ionia, MI

Average rainfall days in May - Ionia, MI
  • Average rainfall days in May: 16.4 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (5.4 days).

Average snowfall in May
Ionia, MI

Average snowfall in May - Ionia, MI
  • Average snowfall in May: 0"

The month with the highest snowfall is December (4.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Ionia, MI

Average snowfall days in May - Ionia, MI
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Ionia, MI

Average daylight in May / Average sunshine in May - Ionia, MI
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in May
Ionia, MI

Average sunshine days in May - Ionia, MI
  • Average sunshine days in May: 12.5 days

The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is February (9.6 days).

Average UV index in May
Ionia, MI

Average UV index in May - Ionia, MI
  • Average UV index in May: 5

The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in May
Ionia, MI

Average cloud cover in May - Ionia, MI
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
Ionia, MI

Average visibility in May - Ionia, MI
  • Average visibility in May: 6mi

The months with the highest visibility are March, April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January, February, August and December (5mi).

Ionia, Michigan, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location