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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a freezing cold winter month in Granger, Iowa, with an average temperature fluctuating between 27.9°F (-2.3°C) and 14.4°F (-9.8°C). January, noted for its average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 14.4°F (-9.8°C), is considered the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Granger, is another freezing cold month, with an average temperature varying between 31.5°F (-0.3°C) and 18°F (-7.8°C). Granger's average high-temperature in February sits at a still subzero cold 31.5°F (-0.3°C), showing little difference from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Granger, is a frosty month, with an average temperature fluctuating between 46.9°F (8.3°C) and 31.8°F (-0.1°C). March's arrival is marked by a notable elevation in high-temperatures, rising from a freezing cold 31.5°F (-0.3°C) in February to a frosty 46.9°F (8.3°C). Weather in March »
Weather in April
April is a moderate spring month in Granger, Iowa, with an average temperature fluctuating between 59.4°F (15.2°C) and 42.4°F (5.8°C). As Granger transitions into April, the average high-temperature shows a change, moving from a frosty 46.9°F (8.3°C) in March to a mild 59.4°F (15.2°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Granger, Iowa, with temperature in the range of an average high of 69.6°F (20.9°C) and an average low of 52.9°F (11.6°C). With the onset of May, Granger's average high-temperature sees a rise, moving from April's mild 59.4°F (15.2°C) to an agreeable 69.6°F (20.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Granger, Iowa, with an average temperature fluctuating between 62.4°F (16.9°C) and 79.3°F (26.3°C). The shift into June brings an increase in the average high-temperature, moving from an agreeable 69.6°F (20.9°C) in May to a warm 79.3°F (26.3°C). Weather in June »
Weather in July
July, like June, in Granger, Iowa, is another warm summer month, with an average temperature fluctuating between 82.4°F (28°C) and 65.1°F (18.4°C). In Granger, the month of July registers the highest temperatures, averaging 82.4°F (28°C) at the peak and 65.1°F (18.4°C) at the lowest. The heat index in July is computed to be a tropical 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Granger, is also a moderately hot month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 81.3°F (27.4°C). During August, Granger observes a subtle ascent to a still warm 81.3°F (27.4°C) from July's 82.4°F (28°C) in the average high-temperature. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Granger, Iowa, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 55.9°F (13.3°C). The start of September signals a gentle decrease in the average high-temperature, transitioning from 81.3°F (27.4°C) in August to a still moderately hot 75.6°F (24.2°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Granger, Iowa, with an average temperature varying between 44.6°F (7°C) and 60.4°F (15.8°C). The shift from September to October sees a distinct decrease in the average high-temperature, dropping from a moderately hot 75.6°F (24.2°C) to a mild 60.4°F (15.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Granger, is another chilly month, with an average temperature varying between 46.9°F (8.3°C) and 32.5°F (0.3°C). November brings a decrease in the average high-temperature, shifting from a moderate 60.4°F (15.8°C) in October to a frosty 46.9°F (8.3°C). Weather in November »
Weather in December
December, the first month of the winter in Granger, is still a cold month, with an average temperature varying between 22.1°F (-5.5°C) and 33.8°F (1°C). Granger in December demonstrates a small temperature transition, adjusting from an average high of a chilly 46.9°F (8.3°C) in November to a cold 33.8°F (1°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
What time of the year is the coldest in Granger?
Granger experiences its average lowest temperatures in January, reaching a peak of 27.9°F (-2.3°C) and a minimum of 14.4°F (-9.8°C).
What is the most humid month in Granger?
January is the most humid month in Granger, Iowa, with an average relative humidity of 83%.
What is the driest month in Granger?
January is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.47" (12mm) of precipitation.
How many days does it rain in Granger?
Throughout the year, in Granger, there are 114.6 rainfall days, and 15.51" (394mm) of precipitation is accumulated.
When does it snow in Granger?
Months with snowfall are January through May, October through December.
What is the snowiest month in Granger?
The month with the most snowfall in Granger is January, when snow falls for 8.4 days and typically aggregates up to 2.2" (56mm) of snow.
How much does it snow in Granger?
In Granger, Iowa, during the entire year, snow falls for 29.6 days and aggregates up to 6.77" (172mm) of snow.
What is the month with the least sunshine in Granger?
The month with the least sunshine is January, with an average of 4.3h of sunshine.
When is the lowest UV index in Granger?
January is the month with the lowest UV index, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Granger?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Granger, 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.
What is the rainiest month in Granger?
The wettest months are May and June, with an average 2.52" (64mm) of rainfall.
When it does not snow in Granger?
In Granger, snow does not fall in June through September.
When are the longest days in Granger?
June has the longest days of the year in Granger, Iowa, with an average of 15h and 12min of daylight.
When is the highest UV index in Granger?
June and July, with an average maximum UV index of 6, are months with the highest UV index in Granger.
What is the warmest month in Granger?
The warmest period tends to be July, when average temperatures fluctuate between a high of 82.4°F (28°C) and a low of 65.1°F (18.4°C).
What month has the most sunshine in Granger?
The month with the most sunshine in Granger, Iowa, is July, with an average of 10.4h of sunshine.
What is the least humid month in Granger?
The least humid month in Granger, Iowa, is October, with an average relative humidity of 70%.
What is the month with the shortest days in Granger?
With an average of 9h and 12min of daylight, December has the shortest days of the year in Granger, Iowa.
Average temperature
Granger, IA
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (27.9°F).
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure
Granger, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"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:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Granger, IA
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity
Granger, IA
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Granger, IA
- Average rainfall in January:
0.47" - Average rainfall in February:
0.51" - Average rainfall in March:
0.94" - Average rainfall in April:
1.3" - Average rainfall in May:
2.52" - Average rainfall in June:
2.52"
- Average rainfall in July:
1.42" - Average rainfall in August:
1.81" - Average rainfall in September:
1.73" - Average rainfall in October:
1.06" - Average rainfall in November:
0.67" - Average rainfall in December:
0.55"
The wettest months (with the highest rainfall) are May and June (2.52").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days
Granger, IA
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
9.7 days - Average rainfall days in October:
8.1 days - Average rainfall days in November:
6.1 days - Average rainfall days in December:
3.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3.5 days).
Average snowfall
Granger, IA
- Average snowfall in January:
2.2" - Average snowfall in February:
1.93" - Average snowfall in March:
0.94" - Average snowfall in April:
0.24" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Granger, IA
- Average snowfall days in January:
8.4 days - Average snowfall days in February:
7.7 days - Average snowfall days in March:
4.4 days - Average snowfall days in April:
0.8 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:
0.6 days - Average snowfall days in November:
2 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Granger, IA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 12min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Granger, IA
- Average sunshine days in January:
20.6 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
17.6 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
15.6 days - Average sunshine days in September:
17.8 days - Average sunshine days in October:
21 days - Average sunshine days in November:
22 days - Average sunshine days in December:
22.8 days
The month with the most sunshine days is December (22.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index
Granger, IA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Granger, IA
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility
Granger, IA
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Granger, Iowa, USA
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