The best times to visit McGregor for ideal weather are

May 7th to October 21st

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

 

 


Other McGregor Travel Info

Weather in McGregor

Temperature

Average temperatures in McGregor vary an incredible amount. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a low chance of precipitation most of the year. The area is somewhat temperate — in the 40th 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 McGregor, 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 84.7°F (29.3°C) with temperatures rarely dropping below 64.2°F (17.9°C) at night.

McGregor Temperatures (Fahrenheit)

Key
High
Average
Low

McGregor Temperatures (Celsius)

Key
High
Average
Low

“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.

McGregor Perceived Temperature (F)

Key
High
Average
Low

McGregor Perceived Temperature (C)

Key
High
Average
Low

 

Average McGregor 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 28.8 19.2 10.7
Feb 30.3 20.7 12
Mar 47.7 36.8 27.8
Apr 60.7 48.7 38.8
May 73.2 60.7 49.9
Jun 80.5 69.4 59.6
Jul 84 72.6 62.2
Aug 83.1 70.9 60.6
Sep 76.1 63.4 53
Oct 63.2 51.4 41.9
Nov 48.6 38.6 30.3
Dec 33.5 25.3 17.4

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -1.8 -7.1 -11.8
Feb -0.9 -6.3 -11.1
Mar 8.7 2.7 -2.3
Apr 15.9 9.3 3.8
May 22.9 15.9 9.9
Jun 26.9 20.8 15.3
Jul 28.9 22.6 16.8
Aug 28.4 21.6 15.9
Sep 24.5 17.4 11.7
Oct 17.3 10.8 5.5
Nov 9.2 3.7 -0.9
Dec 0.8 -3.7 -8.1

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in McGregor are January, February, 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 June with an average of 2 days of significant precipitation the week of June 18th.

When can you find snow in McGregor? Weather stations report large amounts of snow likely to be deepest around February, especially close to early March. The best time to ski (if at all) in McGregor is often around around March 26th when fresh powder is deepest. 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 McGregor.

Key
Days with precipitation

Snow on the Ground

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

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 3% 2.9 0.4
Feb 3% 8.1 0.4
Mar 8% 7.3 1.2
Apr 19% 0 3.4
May 17% 0 3.3
Jun 26% 0 5.5
Jul 14% 0 1.9
Aug 15% 0 2.4
Sep 14% 0 1.7
Oct 11% 0 2.1
Nov 12% 1.2 1.8
Dec 12% 0 2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 3 7.4 1
Feb 3 20.6 1
Mar 8 18.5 3
Apr 19 0 8.6
May 17 0 8.4
Jun 26 0 14
Jul 14 0 4.8
Aug 15 0 6.1
Sep 14 0 4.3
Oct 11 0 5.3
Nov 12 3 4.6
Dec 12 0 5.1

 

Humidity and Wind

McGregor has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is April (49.9% relative humidity), and the most humid month is December (68.6%).

Wind in McGregor is usually calm. The windiest month is April, followed by May and November. April’s average wind speed of around 6.5 knots (7.5 MPH or 12.1 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid April where average top sustained speeds reach 15.5 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

Key
Avg. Relative Humidity

Wind

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

Key
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 5.3 Light breeze 13 Significant breeze
Feb 5.1 Light breeze 12.7 Significant breeze
Mar 5.3 Light breeze 13 Significant breeze
Apr 6.5 Light breeze 15 Significant breeze
May 5.6 Light breeze 14.1 Significant breeze
Jun 4.5 Light breeze 12.2 Significant breeze
Jul 3.6 Barely noticeable 10.8 Significant breeze
Aug 3.3 Barely noticeable 10.2 Gentle breeze
Sep 3.8 Barely noticeable 10.7 Significant breeze
Oct 4.8 Light breeze 12.5 Significant breeze
Nov 5.5 Light breeze 12.6 Significant breeze
Dec 4.8 Light breeze 11.6 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 61.5%
Feb 59.6%
Mar 55.3%
Apr 49.9%
May 52.3%
Jun 61%
Jul 62.9%
Aug 66.2%
Sep 63.7%
Oct 58.8%
Nov 59.1%
Dec 68.6%

 

Is it Safe to Travel to McGregor?

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 McGregor, IA, US is March, followed by July and October. 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 McGregor in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
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 63.1 in December means 63.1% of the tourists vs. March.

 

 

Overall McGregor Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 78.2°F (25.7°C) and 33.4°F (0.8°C) with far warmer temperatures in the later months. Rain is somewhat common with 3 to 6 days of significant precipitation per month. Spring is the second 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 very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 4 to 8 days of precipitation per month. June – August is the busiest season for tourism in McGregor, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 79.2°F (26.2°C) and 40.5°F (4.7°C), which will feel chilly given the humidity and wind. It rains or snows a normal amount: 3 to 4 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is far too cold this time of year in McGregor to be enjoyable for warm weather travelers. The average high during this season is between 33.8°F (1°C) and 27.2°F (-2.7°C). On average, it rains or snows a smalll amount: 1 to 4 times per month. These times of year are the slowest with tourists.

 

Best Times to Travel› the United States › McGregor, IA, US