The best times to visit Ironwood for ideal weather are

May 14th to September 16th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Ironwood Travel Info

Weather in Ironwood


Average temperatures in Ironwood vary an incredible amount. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 48th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Ironwood, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 79.2°F (26.2°C) with temperatures rarely dropping below 58.3°F (14.6°C) at night.

Ironwood Temperatures (Fahrenheit)


Ironwood Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Ironwood Perceived Temperature (F)


Ironwood Perceived Temperature (C)



Average Ironwood Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 22.2 14.2 6.4
Feb 24 14.7 5.9
Mar 39.8 28.9 19.5
Apr 50.8 40.2 30.7
May 65.6 53.4 42.3
Jun 73.2 62.2 51.6
Jul 77.6 66.9 56.1
Aug 75.9 65.2 54.6
Sep 68.6 57.5 47.6
Oct 54.6 45.8 37.7
Nov 40.7 32.9 25.8
Dec 26.4 19.7 12.6

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -5.4 -9.9 -14.2
Feb -4.4 -9.6 -14.5
Mar 4.3 -1.7 -6.9
Apr 10.4 4.6 -0.7
May 18.7 11.9 5.7
Jun 22.9 16.8 10.9
Jul 25.3 19.4 13.4
Aug 24.4 18.4 12.6
Sep 20.3 14.2 8.7
Oct 12.6 7.7 3.2
Nov 4.8 0.5 -3.4
Dec -3.1 -6.8 -10.8



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Ironwood are February, January, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid October with an average of 2 days of significant precipitation the week of October 15th.

When can you find snow in Ironwood? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Ironwood.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Ironwood (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 1% 0 0.1
Feb 0% 0 0
Mar 3% 0 0.4
Apr 9% 0 0.9
May 13% 0 1.8
Jun 13% 0 1.9
Jul 11% 0 1.1
Aug 10% 0 1.4
Sep 13% 0 1.8
Oct 18% 0 1.9
Nov 6% 0 0.5
Dec 3% 0 0.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 1 0 0.3
Feb 0 0 0
Mar 3 0 1
Apr 9 0 2.3
May 13 0 4.6
Jun 13 0 4.8
Jul 11 0 2.8
Aug 10 0 3.6
Sep 13 0 4.6
Oct 18 0 4.8
Nov 6 0 1.3
Dec 3 0 0.5


Humidity and Wind

Ironwood has some very humid months, with other moderately humid months on the other side of the year. The least humid month is April (48.4% relative humidity), and the most humid month is December (71.1%).

Wind in Ironwood is usually calm. The windiest month is January, followed by November and April. January’s average wind speed of around 7.8 knots (8.9 MPH or 14.4 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early January where average top sustained speeds reach 15.7 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Ironwood.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 7.8 Gentle breeze 14.2 Significant breeze
Feb 7.1 Gentle breeze 13.9 Significant breeze
Mar 6.9 Light breeze 14 Significant breeze
Apr 7.1 Gentle breeze 14.3 Significant breeze
May 6.8 Light breeze 14.6 Significant breeze
Jun 5.8 Light breeze 13.2 Significant breeze
Jul 5.7 Light breeze 12.9 Significant breeze
Aug 5.5 Light breeze 12.4 Significant breeze
Sep 6.2 Light breeze 13.1 Significant breeze
Oct 6.7 Light breeze 13.7 Significant breeze
Nov 7.5 Gentle breeze 14.3 Significant breeze
Dec 7 Gentle breeze 13.2 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 63.6%
Feb 59%
Mar 53.1%
Apr 48.4%
May 49.3%
Jun 59.4%
Jul 61.7%
Aug 65.1%
Sep 65.5%
Oct 64%
Nov 64%
Dec 71.1%


Is it Safe to Travel to Ironwood?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Ironwood, MI, US is April, followed by June and May. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Ironwood in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 54.2 in November means 54.2% of the tourists vs. April.



Overall Ironwood Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 71.2°F (21.8°C) and 25.7°F (-3.5°C) with far warmer temperatures in the later months. Rain is rare with 1 to 4 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see moderate precipitation with 3 to 4 days of precipitation per month. June – August is the second busiest season for tourism in Ironwood, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 72.1°F (22.3°C) and 30.8°F (-0.7°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 2 to 6 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Ironwood to be enjoyable for warm weather travelers. The average high during this season is between 26.8°F (-2.9°C) and 20.2°F (-6.6°C). On average, it rains or snows a very small amount: 0 to 1 times per month. These times of year are fairly slow with tourists.


Best Times to Travelthe United States › Ironwood, MI, US