Climate and monthly weather forecastTroy Mills, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Troy Mills, Iowa, is another subzero cold winter month, with an average temperature varying between 25.3°F (-3.7°C) and 13.5°F (-10.3°C). Troy Mills experiences its lowest temperatures in January, with an average peak of 25.3°F (-3.7°C) and a low of 13.5°F (-10.3°C). Weather in January »Weather in February
February, the last month of the winter in Troy Mills, is another freezing cold month, with an average temperature fluctuating between 16.3°F (-8.7°C) and 29.5°F (-1.4°C). Troy Mills marks the arrival of February with an average high-temperature of a still subzero cold 29.5°F (-1.4°C), hardly different from January's 25.3°F (-3.7°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Troy Mills, Iowa, with an average temperature fluctuating between 44.2°F (6.8°C) and 30.2°F (-1°C). The shift into March brings a noticeable increase in the average high-temperature, soaring from a freezing cold 29.5°F (-1.4°C) in February to a frosty 44.2°F (6.8°C). Weather in March »Weather in April
April is a refreshing spring month in Troy Mills, Iowa, with temperature in the range of an average high of 57°F (13.9°C) and an average low of 40.6°F (4.8°C). With the beginning of April, Troy Mills's average high-temperature sees an increase, transitioning from a frosty 44.2°F (6.8°C) in March to a moderate 57°F (13.9°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Troy Mills, Iowa, with an average temperature fluctuating between 68.5°F (20.3°C) and 52°F (11.1°C). May's onset witnesses a shift in the average high-temperature, moving from a mild 57°F (13.9°C) in April to an agreeable 68.5°F (20.3°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Troy Mills, Iowa, with temperature in the range of an average low of 61.5°F (16.4°C) and an average high of 77.4°F (25.2°C). A soft shift in the average high-temperature is noticeable in June, transitioning from a pleasant 68.5°F (20.3°C) in May to a moderately hot 77.4°F (25.2°C). Weather in June »Weather in July
July, like June, in Troy Mills, Iowa, is another warm summer month, with an average temperature ranging between max 80.1°F (26.7°C) and min 64°F (17.8°C). Troy Mills's July weather reaches an average high of 80.1°F (26.7°C) and an average low of 64°F (17.8°C), making it the warmest month. Weather in July »Weather in August
The last month of the summer, August, is another warm month in Troy Mills, Iowa, with an average temperature fluctuating between 79.2°F (26.2°C) and 61.3°F (16.3°C). August welcomes an average high-temperature of a still moderately hot 79.2°F (26.2°C), not much different from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Troy Mills, Iowa, with an average temperature fluctuating between 54.7°F (12.6°C) and 73.2°F (22.9°C). In September, the average high-temperature marginally decreases from a moderately hot 79.2°F (26.2°C) in August to an agreeable 73.2°F (22.9°C). Weather in September »Weather in October
October, the same as September, in Troy Mills, Iowa, is a moderate autumn month, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 59.2°F (15.1°C). A moderate decline in the average high-temperature is seen during October, decreasing from a pleasant 73.2°F (22.9°C) in September to a mild 59.2°F (15.1°C). Weather in October »Weather in November
November, the last month of the autumn in Troy Mills, is also a frosty month, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 44.8°F (7.1°C). The arrival of November signals a clear decrease in the average high-temperature, falling from a mild 59.2°F (15.1°C) in October to a chilly 44.8°F (7.1°C). Weather in November »Weather in December
December, the first month of the winter in Troy Mills, is also a wintry month, with temperature in the range of an average high of 32.2°F (0.1°C) and an average low of 21.7°F (-5.7°C). December involves a decrease in temperature, down from a chilly 44.8°F (7.1°C) in November to a wintry 32.2°F (0.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Troy Mills, IA
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.3°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure
Troy Mills, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Troy Mills, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.5mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.2mph - Average wind speed in June:
8mph
- Average wind speed in July:
7mph - Average wind speed in August:
7mph - Average wind speed in September:
8mph - Average wind speed in October:
9.7mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity
Troy Mills, IA
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Troy Mills, IA
- Average rainfall in January:
1.18" - Average rainfall in February:
1.18" - Average rainfall in March:
1.81" - Average rainfall in April:
3.19" - Average rainfall in May:
4.37" - Average rainfall in June:
3.62"
- Average rainfall in July:
2.91" - Average rainfall in August:
1.69" - Average rainfall in September:
2.64" - Average rainfall in October:
2.32" - Average rainfall in November:
1.54" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is May (4.37").
The driest months (with the least rainfall) are January and February (1.18").
Average rainfall days
Troy Mills, IA
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
5 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
6.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (4.8 days).
Average snowfall
Troy Mills, IA
- Average snowfall in January:
5.43" - Average snowfall in February:
4.65" - Average snowfall in March:
1.57" - Average snowfall in April:
0.75" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Troy Mills, IA
- Average snowfall days in January:
11.8 days - Average snowfall days in February:
9.6 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
1.5 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:
0.6 days - Average snowfall days in November:
3.2 days - Average snowfall days in December:
9.1 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Troy Mills, IA
- Average daylight in January:
9h and 30min - 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 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 18min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Troy Mills, IA
- Average sunshine days in January:
15.9 days - Average sunshine days in February:
14.4 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
9.9 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
16.6 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
17.6 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).
Average UV index
Troy Mills, IA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Troy Mills, IA
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Troy Mills, IA
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).





