Climate and monthly weather forecastGranville, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Granville, Iowa, is a freezing cold winter month, with an average temperature ranging between max 24.6°F (-4.1°C) and min 11.3°F (-11.5°C). In Granville, the lowest average temperatures are observed in January, with a high of 24.6°F (-4.1°C) and a low of 11.3°F (-11.5°C). Weather in January »Weather in February
February, the last month of the winter in Granville, is also a subzero cold month, with an average temperature ranging between min 14.4°F (-9.8°C) and max 28.2°F (-2.1°C). Granville's shift from January to February is accompanied by an average high-temperature of a still freezing cold 28.2°F (-2.1°C), a slight deviation from 24.6°F (-4.1°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Granville, Iowa, with an average temperature fluctuating between 44.2°F (6.8°C) and 29.5°F (-1.4°C). Witnessing a clear upsurge, the average high-temperature during March escalates from February's freezing cold 28.2°F (-2.1°C) to a chilly 44.2°F (6.8°C). Weather in March »Weather in April
April is a mild spring month in Granville, Iowa, with temperature in the range of an average high of 56.8°F (13.8°C) and an average low of 40.1°F (4.5°C). In April, the average high-temperature increases from a chilly 44.2°F (6.8°C) in March to a mild 56.8°F (13.8°C). Weather in April »Weather in May
May, the last month of the spring in Granville, is an agreeable month, with an average temperature fluctuating between 51.6°F (10.9°C) and 68.5°F (20.3°C). Granville's weather shows a temperature rise with the arrival of May, moving from a mild 56.8°F (13.8°C) in April to a pleasant 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 Granville, Iowa, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 78.1°F (25.6°C). June's onset witnesses a shift in the average high-temperature, moving from a pleasant 68.5°F (20.3°C) in May to a warm 78.1°F (25.6°C). Weather in June »Weather in July
July, like June, in Granville, Iowa, is another warm summer month, with an average temperature fluctuating between 81.7°F (27.6°C) and 63.3°F (17.4°C). July, with its high-temperature average of 81.7°F (27.6°C) and a low-temperature average of 63.3°F (17.4°C), is the warmest month. The heat index for July is evaluated at a tropical 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Granville, is another warm month, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 60.4°F (15.8°C). August's presence records an average high-temperature of a still warm 80.2°F (26.8°C), closely mirroring July's climate. Weather in August »Weather in September
September, the first month of the autumn in Granville, is also a moderately hot month, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 54.5°F (12.5°C). A subtle change in temperatures is noted as August gives way to September, with average highs reducing from 80.2°F (26.8°C) to a still warm 74.3°F (23.5°C). Weather in September »Weather in October
October, the same as September, in Granville, Iowa, is another refreshing autumn month, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 42.6°F (5.9°C). The arrival of October signals a clear decrease in the average high-temperature, falling from a warm 74.3°F (23.5°C) in September to a mild 58.1°F (14.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Granville, Iowa, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 44.1°F (6.7°C). Granville's transition into November involves a shift in temperature, receding from a mild 58.1°F (14.5°C) in October to a chilly 44.1°F (6.7°C). Weather in November »Weather in December
December, the first month of the winter in Granville, is still a freezing cold month, with temperature in the range of an average high of 28.8°F (-1.8°C) and an average low of 17.4°F (-8.1°C). December brings with it a considerable temperature decrease, with average high-temperatures dropping from November's chilly 44.1°F (6.7°C) to a subzero cold 28.8°F (-1.8°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
January stands out as Granville's coldest month, with an average high-temperature of 24.6°F (-4.1°C) and a low-temperature of 11.3°F (-11.5°C).
January is the most humid month in Granville, Iowa, with an average relative humidity of 86%.
The month with the least rainfall in Granville is January, when the rain falls for 3.8 days and typically collects 0.79" (20mm) of precipitation.
Throughout the year, in Granville, there are 124 rainfall days, and 24.09" (612mm) of precipitation is accumulated.
Months with snowfall in Granville are January through May, October through December.
Throughout the year, there are 49.5 snowfall days, and 18.39" (467mm) of snow is accumulated.
The month with the least sunshine in Granville, Iowa, is January, with an average of 3.9h of sunshine.
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
The month with the most snowfall in Granville, Iowa, is February, when snow falls for 10 days and typically aggregates up to 4.61" (117mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Granville, 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 Granville, Iowa, is June, when the rain falls for 18 days and typically aggregates up to 3.82" (97mm) of precipitation.
June through September are months without snowfall.
June has the longest days of the year in Granville, Iowa, with an average of 15h and 18min of daylight.
The months with the highest UV index in Granville, Iowa, are June and July, with an average maximum UV index of 6.
The warmest month in Granville, Iowa, is July, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 63.3°F (17.4°C).
With an average of 10.4h of sunshine, July has the most sunshine of the year.
October is the least humid month, with an average relative humidity of 67%.
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Granville, IA
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (24.6°F).
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure
Granville, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"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 (29.86"Hg).
Average wind speed
Granville, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.9mph - Average wind speed in April:
11.3mph - Average wind speed in May:
9.8mph - Average wind speed in June:
8.9mph
- Average wind speed in July:
7.8mph - Average wind speed in August:
8.1mph - Average wind speed in September:
9.3mph - Average wind speed in October:
10.3mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity
Granville, IA
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (67%).
Average rainfall
Granville, IA
- Average rainfall in January:
0.79" - Average rainfall in February:
0.91" - Average rainfall in March:
1.73" - Average rainfall in April:
2.76" - Average rainfall in May:
3.31" - Average rainfall in June:
3.82"
- Average rainfall in July:
1.93" - Average rainfall in August:
2.28" - Average rainfall in September:
2.01" - Average rainfall in October:
2.2" - Average rainfall in November:
0.94" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days
Granville, IA
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
2.8 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
18 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
13.4 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
6.2 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2.8 days).
Average snowfall
Granville, IA
- Average snowfall in January:
3.43" - Average snowfall in February:
4.61" - Average snowfall in March:
2.83" - Average snowfall in April:
1.77" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Granville, IA
- Average snowfall days in January:
12.1 days - Average snowfall days in February:
10 days - Average snowfall days in March:
7.7 days - Average snowfall days in April:
2.6 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:
1.6 days - Average snowfall days in November:
4.3 days - Average snowfall days in December:
11 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Granville, IA
- Average daylight in January:
9h and 24min - 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 42min - Average daylight in June:
15h and 18min
- 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 6min
The month with the longest days is June (Average daylight: 15h and 18min).
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 54min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Granville, IA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
15.1 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18 days - Average sunshine days in November:
20.3 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is June (9.3 days).
Average UV index
Granville, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Granville, IA
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Granville, IA
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
