Climate and monthly weather forecastMcGregor, IA
Climate and monthly weather forecast
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 »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 in January:
30.13"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.1"Hg
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 in January:
9.4mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.5mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.1mph
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
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 in January:
0.75" - Average rainfall in February:
0.91" - Average rainfall in March:
1.3" - Average rainfall in April:
2.32" - Average rainfall in May:
3.19" - Average rainfall in June:
3.9"
- Average rainfall in July:
2.48" - Average rainfall in August:
1.77" - Average rainfall in September:
1.97" - Average rainfall in October:
1.81" - Average rainfall in November:
1.1" - Average rainfall in December:
1.06"
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 in January:
3.8 days - Average rainfall days in February:
3.6 days - Average rainfall days in March:
9.6 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
18.1 days - Average rainfall days in June:
18.6 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
4.7 days
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
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 in January:
11.7 days - Average snowfall days in February:
9.8 days - Average snowfall days in March:
6.7 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.1 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
9.8 days
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 in January:
9h and 24min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 6min
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 January:
3h and 24min - Average sunshine in February:
3h and 36min - Average sunshine in March:
5h and 48min - Average sunshine in April:
7h and 12min - Average sunshine in May:
8h and 6min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 54min
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 in January:
17.5 days - Average sunshine days in February:
16.1 days - Average sunshine days in March:
16 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
11.1 days - Average sunshine days in June:
9.6 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
16.7 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
19 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
17.6 days
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
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 cloud cover
McGregor, IA
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
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).





