Climate and monthly weather forecastLake Mills, IA
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Lake Mills, Iowa, with an average temperature ranging between min 9.3°F (-12.6°C) and max 21.7°F (-5.7°C). In Lake Mills, January is the month with the lowest recorded average temperatures, measuring a high of 21.7°F (-5.7°C) and a low of 9.3°F (-12.6°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Lake Mills, Iowa, with temperature in the range of an average high of 25.7°F (-3.5°C) and an average low of 12.6°F (-10.8°C). As Lake Mills steps into February, the average high-temperature is measured at a still subzero cold 25.7°F (-3.5°C), displaying minor differences from January's 21.7°F (-5.7°C). Weather in February »Weather in March
March, the first month of the spring in Lake Mills, is an icy month, with temperature in the range of an average high of 41°F (5°C) and an average low of 27.1°F (-2.7°C). A noticeable upsurge in temperatures is seen as February gives way to March, with average highs moving from a freezing cold 25.7°F (-3.5°C) to an icy 41°F (5°C). Weather in March »Weather in April
April is a fresh spring month in Lake Mills, Iowa, with an average temperature varying between 54.5°F (12.5°C) and 39.2°F (4°C). In Lake Mills, stepping into April brings a temperature increase, moving up from March's icy 41°F (5°C) to a cool 54.5°F (12.5°C). Weather in April »Weather in May
May, the last month of the spring in Lake Mills, is an enjoyable month, with an average temperature varying between 66.9°F (19.4°C) and 50.5°F (10.3°C). The arrival of May signals an increase in the average high-temperature, moving from a cool 54.5°F (12.5°C) in April to a refreshing 66.9°F (19.4°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Lake Mills, Iowa, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 76.6°F (24.8°C). June's onset witnesses a shift in the average high-temperature, moving from a refreshing 66.9°F (19.4°C) in May to a warm 76.6°F (24.8°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Lake Mills, Iowa, with an average temperature ranging between max 79.2°F (26.2°C) and min 62.6°F (17°C). With average high and low temperatures of 79.2°F (26.2°C) and 62.6°F (17°C) respectively, July is Lake Mills's warmest month. Weather in July »Weather in August
The last month of the summer, August, is another warm month in Lake Mills, Iowa, with an average temperature fluctuating between 76.6°F (24.8°C) and 59.5°F (15.3°C). A minor adjustment in Lake Mills's average high-temperature is noted with the start of August, touching a still moderately hot 76.6°F (24.8°C) from July's 79.2°F (26.2°C). Weather in August »Weather in September
September, the first month of the autumn in Lake Mills, is still a pleasant month, with an average temperature varying between 71.6°F (22°C) and 53.1°F (11.7°C). Lake Mills marks the onset of September with an average high-temperature of a pleasant 71.6°F (22°C), a subtle shift from August's 76.6°F (24.8°C). Weather in September »Weather in October
October, the same as September, in Lake Mills, Iowa, is another refreshing autumn month, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 56.3°F (13.5°C). Lake Mills's weather in October is marked by a clear decrease in the average high-temperature, moving down from September's agreeable 71.6°F (22°C) to a moderate 56.3°F (13.5°C). Weather in October »Weather in November
November, the last month of the autumn in Lake Mills, is also a wintry month, with temperature in the range of an average high of 41.7°F (5.4°C) and an average low of 29.7°F (-1.3°C). Lake Mills sees a considerable decrease in average high-temperatures during November, falling from a mild 56.3°F (13.5°C) in October to an icy 41.7°F (5.4°C). Weather in November »Weather in December
December, the first month of the winter in Lake Mills, is still a freezing cold month, with an average temperature ranging between max 27.3°F (-2.6°C) and min 16.5°F (-8.6°C). December's arrival signals a distinct temperature shift, dropping from an icy 41.7°F (5.4°C) in November to a freezing cold 27.3°F (-2.6°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Lake Mills, IA
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (21.7°F).
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure
Lake Mills, IA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"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:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Lake Mills, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.5mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7.5mph - Average wind speed in September:
8.7mph - Average wind speed in October:
10.1mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity
Lake Mills, IA
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Lake Mills, IA
- Average rainfall in January:
1.06" - Average rainfall in February:
1.34" - Average rainfall in March:
1.69" - Average rainfall in April:
3.03" - Average rainfall in May:
3.7" - Average rainfall in June:
4.41"
The wettest month (with the highest rainfall) is June (4.41").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days
Lake Mills, IA
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
9.9 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
19.4 days
- Average rainfall days in July:
17.2 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
5 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (3.3 days).
Average snowfall
Lake Mills, IA
- Average snowfall in January:
5.98" - Average snowfall in February:
7.17" - Average snowfall in March:
3.74" - Average snowfall in April:
2.6" - Average snowfall in May:
0.51" - Average snowfall in June:
0"
The month with the highest snowfall is February (7.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Lake Mills, IA
- Average snowfall days in January:
15.2 days - Average snowfall days in February:
12.8 days - Average snowfall days in March:
8.9 days - Average snowfall days in April:
3.6 days - Average snowfall days in May:
0.5 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:
1.7 days - Average snowfall days in November:
6.5 days - Average snowfall days in December:
13.7 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Lake Mills, IA
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- 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 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
3h and 12min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 30min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
9h and 30min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 6min - Average sunshine in December:
3h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days
Lake Mills, IA
- Average sunshine days in January:
13.6 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
9.1 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15 days - Average sunshine days in October:
16.7 days - Average sunshine days in November:
16.6 days - Average sunshine days in December:
13.6 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (9.1 days).
Average UV index
Lake Mills, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Lake Mills, IA
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Lake Mills, IA
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).





