Climate and monthly weather forecast
McGregor, IA

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Weather in January

January, like December, is another subzero cold winter month in McGregor, Iowa, with an average temperature ranging between max 23.2°F (-4.9°C) and min 10.6°F (-11.9°C). McGregor reaches its lowest average temperatures in January, measuring 23.2°F (-4.9°C) at the peak and 10.6°F (-11.9°C) at the lowest. Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in McGregor, Iowa, with an average temperature fluctuating between 13.5°F (-10.3°C) and 27°F (-2.8°C). The onset of February brings with it an average high-temperature of a still subzero cold 27°F (-2.8°C), showing a negligible variation from the month before. Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in McGregor, Iowa, with an average temperature fluctuating between 26.8°F (-2.9°C) and 42.1°F (5.6°C). March witnesses a clear temperature increase, soaring from a subzero cold 27°F (-2.8°C) in February to an icy 42.1°F (5.6°C). Weather in March »

Weather in April

April is a fresh spring month in McGregor, Iowa, with an average temperature varying between 54.7°F (12.6°C) and 37.4°F (3°C). McGregor's April weather shows an increase in high-temperatures, moving from March's icy 42.1°F (5.6°C) to a cool 54.7°F (12.6°C). Weather in April »

Weather in May

May, the last month of the spring in McGregor, is a comfortable month, with temperature in the range of an average low of 48.6°F (9.2°C) and an average high of 66.6°F (19.2°C). The transition from April to May brings a temperature rise, with average high-temperatures increasing from a fresh 54.7°F (12.6°C) to a refreshing 66.6°F (19.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in McGregor, Iowa, with an average temperature varying between 58.1°F (14.5°C) and 75.9°F (24.4°C). McGregor's weather in June shows a rise in the average high-temperature, moving up from May's comfortable 66.6°F (19.2°C) to a moderately hot 75.9°F (24.4°C). Weather in June »

Weather in July

July, like June, in McGregor, Iowa, is another warm summer month, with an average temperature ranging between max 79.9°F (26.6°C) and min 61.9°F (16.6°C). July, with average temperatures reaching a high of 79.9°F (26.6°C) and a low of 61.9°F (16.6°C), is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in McGregor, Iowa, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 59.4°F (15.2°C). McGregor's transition from July to August introduces an average high-temperature of a still moderately hot 78.6°F (25.9°C), marking an insignificant variation from the 79.9°F (26.6°C). Weather in August »

Weather in September

September, the first month of the autumn in McGregor, is still a pleasant month, with an average temperature ranging between max 71.8°F (22.1°C) and min 52.2°F (11.2°C). McGregor's weather subtly changes with the onset of September, barely falling from a warm 78.6°F (25.9°C) in August to an agreeable 71.8°F (22.1°C). Weather in September »

Weather in October

October, the same as September, in McGregor, Iowa, is a moderate autumn month, with an average temperature ranging between max 57.7°F (14.3°C) and min 41.5°F (5.3°C). McGregor's weather in October involves a decrease in the average high-temperature, moving down from September's agreeable 71.8°F (22.1°C) to a refreshing 57.7°F (14.3°C). Weather in October »

Weather in November

November, the last month of the autumn in McGregor, is another chilly month, with an average temperature fluctuating between 43°F (6.1°C) and 29.7°F (-1.3°C). McGregor's transition into November marks a considerable drop in the average high-temperature, moving down from a refreshing 57.7°F (14.3°C) in October to a frosty 43°F (6.1°C). Weather in November »

Weather in December

December, the first month of the winter in McGregor, is still a freezing cold month, with an average temperature ranging between min 19°F (-7.2°C) and max 29.8°F (-1.2°C). A decrease in the average high-temperature is observed during December, shifting from a frosty 43°F (6.1°C) in November to a subzero cold 29.8°F (-1.2°C). Weather in December »
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January, with its high-temperature average of 23.2°F (-4.9°C) and a low-temperature average of 10.6°F (-11.9°C), is the coldest month.

What are the most humid months?

January and February, with an average relative humidity of 88%, are most humid months.

What is the driest month?

January is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.75" (19mm) of precipitation.

How many days does it rain?

In McGregor, during the entire year, the rain falls for 124.7 days and collects up to 22.56" (573mm) of precipitation.

When does it snow?

January through May, October through December are months with snowfall.

How many days does it snow?

Throughout the year, there are 44.5 snowfall days, and 15.47" (393mm) of snow is accumulated.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.4h of sunshine.

When is the lowest UV index?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 9.8 days and typically aggregates up to 3.94" (100mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month?

June is the month with the most rainfall. Rain falls for 18.6 days and accumulates 3.9" (99mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 15h and 18min of daylight.

What is the month with the highest UV index in McGregor?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What month is the hottest?

In McGregor, July is the month with the highest recorded average temperatures, measuring a high of 79.9°F (26.6°C) and a low of 61.9°F (16.6°C).

What month has the most sunshine?

The month with the most sunshine in McGregor is August, with an average of 9.8h of sunshine.

What is the least humid month?

October is the least humid month, with an average relative humidity of 76%.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

Average temperature
McGregor, IA

Average temperature - McGregor, IA

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.2°F).

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).

Average pressure
McGregor, IA

Average pressure - McGregor, IA

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed
McGregor, IA

Average wind speed - McGregor, IA

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity
McGregor, IA

Average humidity - McGregor, IA

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (76%).

Average rainfall
McGregor, IA

Average rainfall - McGregor, IA

The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days
McGregor, IA

Average rainfall days - McGregor, IA

The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (3.6 days).

Average snowfall
McGregor, IA

Average snowfall - McGregor, IA

The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
McGregor, IA

Average snowfall days - McGregor, IA

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
McGregor, IA

Average daylight / Average sunshine - McGregor, IA

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).

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days
McGregor, IA

Average sunshine days - McGregor, IA

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (9.6 days).

Average UV index
McGregor, IA

Average UV index - McGregor, IA

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

Average visibility
McGregor, IA

Average visibility - McGregor, IA

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

McGregor, Iowa, USA

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