Climate and monthly weather forecastMasonville, IA
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Masonville, Iowa, with an average temperature ranging between min 11.7°F (-11.3°C) and max 24.3°F (-4.3°C). With an average high-temperature of 24.3°F (-4.3°C) and an average low-temperature of 11.7°F (-11.3°C), January is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Masonville, is also a subzero cold month, with an average temperature ranging between min 15.1°F (-9.4°C) and max 27.9°F (-2.3°C). February commences with an average high-temperature of a still subzero cold 27.9°F (-2.3°C), showing little deviation from January's 24.3°F (-4.3°C). Weather in February »Weather in March
March, the first month of the spring in Masonville, is a chilly month, with an average temperature varying between 43°F (6.1°C) and 28.8°F (-1.8°C). Masonville's transition into March is marked by a clear temperature shift, advancing from a subzero cold 27.9°F (-2.3°C) in February to a frosty 43°F (6.1°C). Weather in March »Weather in April
April is a mild spring month in Masonville, Iowa, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 55.8°F (13.2°C). With the onset of April, Masonville's average high-temperature experiences a rise, moving from March's frosty 43°F (6.1°C) to a mild 55.8°F (13.2°C). Weather in April »Weather in May
May, the last month of the spring in Masonville, is a refreshing month, with an average temperature ranging between min 50.5°F (10.3°C) and max 66.9°F (19.4°C). Masonville, Iowa, in May experiences an increase in the average high-temperature, moving from April's mild 55.8°F (13.2°C) to an enjoyable 66.9°F (19.4°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Masonville, Iowa, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 59.9°F (15.5°C). June signals a shift in the average high-temperature, moving from May's refreshing 66.9°F (19.4°C) to a warm 76.6°F (24.8°C). Weather in June »Weather in July
July, like June, in Masonville, Iowa, is another warm summer month, with an average temperature fluctuating between 79.3°F (26.3°C) and 63°F (17.2°C). Masonville's July weather, marked by an average high temperature of 79.3°F (26.3°C) and an average low temperature of 63°F (17.2°C), is the warmest in the year. Weather in July »Weather in August
The last month of the summer, August, is another warm month in Masonville, Iowa, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 78.3°F (25.7°C). August brings an average high-temperature of a still warm 78.3°F (25.7°C), showing a slight difference from July's 79.3°F (26.3°C). Weather in August »Weather in September
September, the first month of the autumn in Masonville, is also an agreeable month, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 72.3°F (22.4°C). September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 78.3°F (25.7°C) in August to an agreeable 72.3°F (22.4°C). Weather in September »Weather in October
October, the same as September, in Masonville, Iowa, is another mild autumn month, with an average temperature fluctuating between 58.1°F (14.5°C) and 42.6°F (5.9°C). October's arrival comes with a decrease in the average high-temperature, moving from an agreeable 72.3°F (22.4°C) in September to a refreshing 58.1°F (14.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Masonville, Iowa, with an average temperature varying between 30.7°F (-0.7°C) and 43.7°F (6.5°C). With the onset of November, Masonville's weather experiences a distinct temperature drop, moving from a moderate 58.1°F (14.5°C) in October to a chilly 43.7°F (6.5°C). Weather in November »Weather in December
December, the first month of the winter in Masonville, is still a freezing cold month, with an average temperature ranging between min 20.5°F (-6.4°C) and max 31.1°F (-0.5°C). Masonville observes a minor decrease in the average high-temperature with the arrival of December, falling from November's frosty 43.7°F (6.5°C) to a freezing cold 31.1°F (-0.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Masonville, IA
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.3°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure
Masonville, 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:
29.93"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:
29.96"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30"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
Masonville, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.5mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.1mph - Average wind speed in September:
8.2mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.5mph - 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 (7.1mph).
Average humidity
Masonville, IA
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall
Masonville, IA
- Average rainfall in January:
0.55" - Average rainfall in February:
0.55" - Average rainfall in March:
0.79" - Average rainfall in April:
1.38" - Average rainfall in May:
2.13" - Average rainfall in June:
1.77"
- Average rainfall in July:
1.65" - Average rainfall in August:
0.94" - Average rainfall in September:
1.3" - Average rainfall in October:
1.06" - Average rainfall in November:
0.71" - Average rainfall in December:
0.47"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days
Masonville, IA
- Average rainfall days in January:
3.1 days - Average rainfall days in February:
2.6 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
12.9 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
13.5 days - Average rainfall days in August:
10.6 days - Average rainfall days in September:
8.9 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
6.4 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2.6 days).
Average snowfall
Masonville, IA
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Masonville, IA
- Average snowfall days in January:
10.8 days - Average snowfall days in February:
9.2 days - Average snowfall days in March:
5 days - Average snowfall days in April:
1.9 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:
0.8 days - Average snowfall days in November:
2.9 days - Average snowfall days in December:
8.8 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Masonville, 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 54min - 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 30min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 6min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 12min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Masonville, IA
- Average sunshine days in January:
19.4 days - Average sunshine days in February:
16.7 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
13.9 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
17.2 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
19.7 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index
Masonville, IA
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Masonville, IA
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility
Masonville, 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).





