Climate and monthly weather forecastBig Mound, IA
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Big Mound, Iowa, with an average temperature varying between 30.2°F (-1°C) and 18.3°F (-7.6°C). January, with its average high-temperature of 30.2°F (-1°C) and an average low-temperature of 18.3°F (-7.6°C), holds the record as the coldest month. Weather in January »Weather in February
February, the last month of the winter in Big Mound, is a wintry month, with an average temperature ranging between max 35.2°F (1.8°C) and min 21.9°F (-5.6°C). Big Mound's February showcases an average high-temperature of an icy 35.2°F (1.8°C), hardly distinct from January's 30.2°F (-1°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Big Mound, Iowa, with an average temperature ranging between min 34.2°F (1.2°C) and max 49.5°F (9.7°C). The beginning of March signals a rise in the average high-temperature, moving from a cold 35.2°F (1.8°C) in February to a frosty 49.5°F (9.7°C). Weather in March »Weather in April
April in Big Mound, Iowa, is a refreshing spring month, with an average temperature varying between 61.2°F (16.2°C) and 44.2°F (6.8°C). April signals a shift in the average high-temperature, moving from March's chilly 49.5°F (9.7°C) to an enjoyable 61.2°F (16.2°C). Weather in April »Weather in May
May, the last month of the spring in Big Mound, is an agreeable month, with an average temperature fluctuating between 71.1°F (21.7°C) and 54.1°F (12.3°C). The arrival of May brings a temperature shift, with the average high-temperature escalating from a refreshing 61.2°F (16.2°C) in April to an agreeable 71.1°F (21.7°C). Weather in May »Weather in June
June, the first month of the summer in Big Mound, is a moderately hot month, with an average temperature fluctuating between 63.7°F (17.6°C) and 80.2°F (26.8°C). Big Mound's weather in June presents a rise in the average high-temperature, moving from a pleasant 71.1°F (21.7°C) in May to a moderately hot 80.2°F (26.8°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Big Mound, Iowa, with an average temperature ranging between max 82.9°F (28.3°C) and min 66°F (18.9°C). July is the month when Big Mound experiences its warmest temperatures, averaging a high of 82.9°F (28.3°C) and a low of 66°F (18.9°C). During July, the heat index is calculated to be a tropical 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Big Mound, Iowa, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 82.6°F (28.1°C). Big Mound sees the arrival of August with an average high-temperature of a still moderately hot 82.6°F (28.1°C), indicating a subtle variation from July. Weather in August »Weather in September
September, the first month of the autumn in Big Mound, is also a moderately hot month, with an average temperature fluctuating between 77°F (25°C) and 57.4°F (14.1°C). September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's 82.6°F (28.1°C) to a still moderately hot 77°F (25°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Big Mound, Iowa, with an average temperature varying between 62.8°F (17.1°C) and 46°F (7.8°C). In Big Mound, entering October brings a temperature decrement, reducing from September's moderately hot 77°F (25°C) to a refreshing 62.8°F (17.1°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Big Mound, Iowa, with an average temperature varying between 48.6°F (9.2°C) and 34.7°F (1.5°C). November weather is marked by a drop in the average high-temperature, falling from a comfortable 62.8°F (17.1°C) in October to a frosty 48.6°F (9.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Big Mound, Iowa, with an average temperature fluctuating between 25°F (-3.9°C) and 36.5°F (2.5°C). The shift to December brings a decrease in the average high-temperature, falling from a chilly 48.6°F (9.2°C) in November to an icy 36.5°F (2.5°C). Weather in December »Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Big Mound, January is known for its average lowest temperatures, reaching a high of 30.2°F (-1°C) and a low of 18.3°F (-7.6°C).
Throughout the year, in Big Mound, Iowa, there are 145.2 rainfall days, and 28.98" (736mm) of precipitation is accumulated.
January through April, October through December are months with snowfall.
January is the month with the most snowfall in Big Mound, Iowa. Snow falls for 9.2 days and accumulates 4.41" (112mm) of snow.
Throughout the year, in Big Mound, Iowa, there are 29.4 snowfall days, and 14.21" (361mm) of snow is accumulated.
January has the least sunshine of the year in Big Mound, Iowa, with an average of 4.2h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Big Mound.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Big Mound, Iowa, 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.
The month with the most rainfall in Big Mound, Iowa, is May, when the rain falls for 19.2 days and typically aggregates up to 4.25" (108mm) of precipitation.
May through September are months without snowfall in Big Mound.
June has the longest days of the year, with an average of 15h and 0min of daylight.
The months with the highest UV index in Big Mound, Iowa, are June through August, with an average maximum UV index of 6.
In Big Mound, July records the average highest temperatures, peaking at 82.9°F (28.3°C) and reaching a low of 66°F (18.9°C).
With an average relative humidity of 82%, July is the most humid month.
With an average of 10.3h of sunshine, July has the most sunshine of the year in Big Mound.
With an average relative humidity of 71%, October is the least humid month in Big Mound, Iowa.
The month with the least rainfall in Big Mound is December, when the rain falls for 7 days and typically collects 1.38" (35mm) of precipitation.
The month with the shortest days in Big Mound, Iowa, is December, with an average of 9h and 18min of daylight.
Average temperature
Big Mound, IA
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.2°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure
Big Mound, IA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"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:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"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 (29.9"Hg).
Average wind speed
Big Mound, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.7mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.2mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity
Big Mound, IA
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Big Mound, IA
- Average rainfall in January:
1.42" - Average rainfall in February:
1.46" - Average rainfall in March:
2.24" - Average rainfall in April:
3.39" - Average rainfall in May:
4.25" - Average rainfall in June:
3.7"
- Average rainfall in July:
2.68" - Average rainfall in August:
2.17" - Average rainfall in September:
2.28" - Average rainfall in October:
2.28" - Average rainfall in November:
1.73" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days
Big Mound, IA
- Average rainfall days in January:
6 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
13 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
19.2 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
12 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
7 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.9 days).
Average snowfall
Big Mound, IA
The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Big Mound, IA
- Average snowfall days in January:
9.2 days - Average snowfall days in February:
7.7 days - Average snowfall days in March:
4.2 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0 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:
0.4 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Big Mound, IA
- Average daylight in January:
9h and 36min - 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 48min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 30min - 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 12min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 30min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 42min
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 12min).
Average sunshine days
Big Mound, IA
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
17.6 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (9.2 days).
Average UV index
Big Mound, IA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Big Mound, IA
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility
Big Mound, 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).
