May weather forecast
Ironwood, MI

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Weather in May

The last month of the spring, May, is a refreshing month in Ironwood, Michigan, with an average temperature ranging between max 61°F (16.1°C) and min 42.6°F (5.9°C).

Temperature

With the onset of May, Ironwood experiences a noticeable temperature shift, with the average high-temperature advancing from a frosty 45.5°F (7.5°C) in April to an enjoyable 61°F (16.1°C). The nighttime temperature dips to an icy 42.6°F (5.9°C) on average during May.

Humidity

The least humid month is May, with an average relative humidity of 72%.

Rainfall

The month with the most rainfall is May, when the rain falls for 13 days and typically aggregates up to 1.89" (48mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Ironwood. During 1.9 snowfall days, in May, Ironwood aggregates 1.22" (31mm) of snow. In Ironwood, during the entire year, snow falls for 113.9 days and aggregates up to 38.5" (978mm) of snow.

Daylight

The average length of the day in May is 15h and 2min.
On the first day of the month, sunrise is at 5:45 am and sunset at 8:10 pm. On the last day of May, sunrise is at 5:11 am and sunset at 8:45 pm CDT.

Sunshine

In May, the average sunshine is 8.5h.

UV index

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, an average UV index of 4 transforms into the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Ironwood?

May temperatures vary between a high-temperature of 61°F (16.1°C) and a low-temperature of 42.6°F (5.9°C).

What is the least humid month?

The least humid month is May, with an average relative humidity of 72%.

What is the average humidity in May?

In May, the average relative humidity is 72%.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 13 days and accumulates 1.89" (48mm) of precipitation.

How many days does it rain in May?

In Ironwood, during May, the rain falls for 13 days and regularly aggregates up to 1.89" (48mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 1.9 snowfall days, in May, Ironwood aggregates 1.22" (31mm) of snow.

How many hours of daylight does Ironwood have in May?

The average day length in May in Ironwood is 15h and 2min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 5:45 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:45 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.5h.

How high is the UV index in May?

In Ironwood, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Ironwood, MI

Average temperature in May - Ironwood, MI
  • Average high temperature in May: 61°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (19.2°F).

  • Average low temperature in May: 42.6°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (9°F).

Average pressure in May
Ironwood, MI

Average pressure in May - Ironwood, MI
  • Average pressure in May: 29.96"Hg

The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Ironwood, MI

Average wind speed in May - Ironwood, MI
  • Average wind speed in May: 7.5mph

The windiest months (with the highest average wind speed) are January and November (9.6mph).
The calmest months (with the lowest average wind speed) are June, July and August (7mph).

Average humidity in May
Ironwood, MI

Average humidity in May - Ironwood, MI
  • Average humidity in May: 72%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).

Average rainfall in May
Ironwood, MI

Average rainfall in May - Ironwood, MI
  • Average rainfall in May: 1.89"

The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in May
Ironwood, MI

Average rainfall days in May - Ironwood, MI
  • Average rainfall days in May: 13 days

The month with the highest number of rainy days is June (13.1 days).
The month with the least rainy days is January (1.8 days).

Average snowfall in May
Ironwood, MI

Average snowfall in May - Ironwood, MI
  • Average snowfall in May: 1.22"

The month with the highest snowfall is December (8.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Ironwood, MI

Average snowfall days in May - Ironwood, MI
  • Average snowfall days in May: 1.9 days

The month with the highest number of snowfall days is January (23.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Ironwood, MI
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).

Average sunshine days in May
Ironwood, MI

Average sunshine days in May - Ironwood, MI
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is July (16.3 days).
The month with the least sunshine days is January (7.8 days).

Average UV index in May
Ironwood, MI

Average UV index in May - Ironwood, MI
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in May
Ironwood, MI

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

The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
Ironwood, MI

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

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).

Ironwood, Michigan, USA

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