Climate and monthly weather forecastMount Ayr, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Mount Ayr, Iowa, is a freezing cold winter month, with temperature in the range of an average high of 30.6°F (-0.8°C) and an average low of 16.9°F (-8.4°C). Mount Ayr reaches its lowest average temperatures in January, measuring 30.6°F (-0.8°C) at the peak and 16.9°F (-8.4°C) at the lowest. Weather in January »Weather in February
The last month of the winter, February, is an icy month in Mount Ayr, Iowa, with an average temperature ranging between min 20.1°F (-6.6°C) and max 34.2°F (1.2°C). February's advent notes a subtle adjustment in average high-temperature to a wintry 34.2°F (1.2°C) from January. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Mount Ayr, Iowa, with an average temperature varying between 48.7°F (9.3°C) and 33.3°F (0.7°C). In March, the meteorological conditions markedly change with the average high-temperature ascending from a wintry 34.2°F (1.2°C) in February to a chilly 48.7°F (9.3°C). Weather in March »Weather in April
April in Mount Ayr, Iowa, is a mild spring month, with an average temperature ranging between max 60.4°F (15.8°C) and min 42.6°F (5.9°C). April brings a rise in the average high-temperature, transitioning from March's chilly 48.7°F (9.3°C) to a moderate 60.4°F (15.8°C). Weather in April »Weather in May
May, the last month of the spring in Mount Ayr, is an agreeable month, with temperature in the range of an average high of 69.6°F (20.9°C) and an average low of 53.1°F (11.7°C). The onset of May brings a temperature shift, with the average high-temperature moving from a moderate 60.4°F (15.8°C) in April to an agreeable 69.6°F (20.9°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Mount Ayr, Iowa, with an average temperature ranging between max 79.9°F (26.6°C) and min 63.3°F (17.4°C). In Mount Ayr, the onset of June comes with an increased average high-temperature, moving from May's pleasant 69.6°F (20.9°C) to a moderately hot 79.9°F (26.6°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Mount Ayr, Iowa, with an average temperature ranging between min 66°F (18.9°C) and max 83.5°F (28.6°C). July, marked by an average high-temperature of 83.5°F (28.6°C) and a low-temperature of 66°F (18.9°C), is the warmest month. July's average heat index is calculated to be a hot 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Mount Ayr, is also a moderately hot month, with an average temperature varying between 63.3°F (17.4°C) and 81.7°F (27.6°C). The advent of August observes an average high-temperature of a still moderately hot 81.7°F (27.6°C), nearly identical to July's 83.5°F (28.6°C). Weather in August »Weather in September
September, the first month of the autumn in Mount Ayr, is also a moderately hot month, with an average temperature fluctuating between 75.9°F (24.4°C) and 56.3°F (13.5°C). The shift from August to September coincides with a small decrease in the average high-temperature, down to a still warm 75.9°F (24.4°C) from a moderately hot 81.7°F (27.6°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Mount Ayr, Iowa, with an average temperature ranging between min 44.6°F (7°C) and max 61.5°F (16.4°C). Mount Ayr's transition into October is marked by a clear drop in the average high-temperature, receding from a moderately hot 75.9°F (24.4°C) in September to a refreshing 61.5°F (16.4°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Mount Ayr, Iowa, with an average temperature varying between 33.1°F (0.6°C) and 48.4°F (9.1°C). With the beginning of November, the average high-temperature shows a decrease, transitioning from a refreshing 61.5°F (16.4°C) in October to a frosty 48.4°F (9.1°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Mount Ayr, Iowa, with an average temperature fluctuating between 35.2°F (1.8°C) and 23.2°F (-4.9°C). A moderate decline in the average high-temperature is seen during December, decreasing from a frosty 48.4°F (9.1°C) in November to a wintry 35.2°F (1.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Mount Ayr, IA
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure
Mount Ayr, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Mount Ayr, IA
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.2mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.9mph
The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
Mount Ayr, IA
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Mount Ayr, IA
- Average rainfall in January:
0.75" - Average rainfall in February:
0.71" - Average rainfall in March:
1.54" - Average rainfall in April:
1.93" - Average rainfall in May:
3.46" - Average rainfall in June:
3.86"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.32" - Average rainfall in September:
2.24" - Average rainfall in October:
1.65" - Average rainfall in November:
1.1" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are February and December (0.71").
Average rainfall days
Mount Ayr, IA
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
4.7 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
5.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall
Mount Ayr, IA
The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mount Ayr, IA
- Average snowfall days in January:
8.4 days - Average snowfall days in February:
7.4 days - Average snowfall days in March:
3.6 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.2 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:
0.8 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
5.8 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mount Ayr, IA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 36min - Average sunshine in February:
5h and 12min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Mount Ayr, IA
- Average sunshine days in January:
20 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
14.5 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
21.2 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is May (10.6 days).
Average UV index
Mount Ayr, IA
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Mount Ayr, IA
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Mount Ayr, IA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





