Climate and monthly weather forecastGermantown, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Germantown, Illinois, is a wintry winter month, with temperature in the range of an average low of 24.3°F (-4.3°C) and an average high of 37.2°F (2.9°C). January, marked by an average high-temperature of 37.2°F (2.9°C) and a low-temperature of 24.3°F (-4.3°C), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Germantown, Illinois, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 27.9°F (-2.3°C). The advent of February presents an average high-temperature of a still cold 41.9°F (5.5°C), maintaining a close correlation with the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Germantown, Illinois, with an average temperature fluctuating between 37.8°F (3.2°C) and 53.8°F (12.1°C). The shift from February to March brings an increase in the average high-temperature, moving from a cold 41.9°F (5.5°C) to a cool 53.8°F (12.1°C). Weather in March »Weather in April
April is a refreshing spring month in Germantown, Illinois, with an average temperature varying between 47.5°F (8.6°C) and 64.6°F (18.1°C). Noticing a change, the average high-temperature during April moves from March's cool 53.8°F (12.1°C) to an enjoyable 64.6°F (18.1°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Germantown, Illinois, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 57.7°F (14.3°C). In Germantown, the average high-temperature in May increases from a comfortable 64.6°F (18.1°C) in April to a moderately hot 74.7°F (23.7°C). Weather in May »Weather in June
June, the first month of the summer in Germantown, is also a moderately hot month, with an average temperature fluctuating between 83.3°F (28.5°C) and 66.4°F (19.1°C). June's arrival brings a slight change in high-temperatures, adjusting from a moderately hot 74.7°F (23.7°C) in May to a still warm 83.3°F (28.5°C). Weather in June »Weather in July
July, like June, in Germantown, Illinois, is another warm summer month, with temperature in the range of an average low of 67.6°F (19.8°C) and an average high of 85.1°F (29.5°C). July is the warmest month of the year, registering average temperatures as high as 85.1°F (29.5°C) and as low as 67.6°F (19.8°C). In July, the average heat index is computed to be a torrid 96.8°F (36°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Germantown, Illinois, with an average temperature ranging between min 65.8°F (18.8°C) and max 83.8°F (28.8°C). August records an average high-temperature of a still warm 83.8°F (28.8°C), indicating a minor variation from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Germantown, is also a moderately hot month, with an average temperature varying between 78.6°F (25.9°C) and 59.9°F (15.5°C). The arrival of September sees a recorded average high-temperature of a still moderately hot 78.6°F (25.9°C), showing little divergence from the previous month's conditions. Weather in September »Weather in October
October, like September, in Germantown, Illinois, is another comfortable autumn month, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 49.1°F (9.5°C). A moderate decline in the average high-temperature is seen during October, decreasing from a warm 78.6°F (25.9°C) in September to a refreshing 66°F (18.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Germantown, Illinois, with an average temperature ranging between min 37.8°F (3.2°C) and max 52.5°F (11.4°C). Germantown's progression into November involves a drop in the average high-temperature, receding from a refreshing 66°F (18.9°C) in October to a cool 52.5°F (11.4°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Germantown, Illinois, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 41.9°F (5.5°C). December indicates a shift in the average high-temperature, from November's cool 52.5°F (11.4°C) to a cold 41.9°F (5.5°C). Weather in December »Updated: Jun 27, 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 is the coldest month of the year, registering average temperatures as high as 37.2°F (2.9°C) and as low as 24.3°F (-4.3°C).
Throughout the year, there are 157.2 rainfall days, and 36.18" (919mm) of precipitation is accumulated.
Months with snowfall are January through April, November and December.
January is the month with the most snowfall. Snow falls for 7.5 days and accumulates 2.4" (61mm) of snow.
Throughout the year, in Germantown, there are 22.4 snowfall days, and 7.83" (199mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 4.5h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
In Germantown, snow does not fall in May through October.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
The month with the most rainfall is June, when the rain falls for 15.7 days and typically aggregates up to 4.37" (111mm) of precipitation.
The month with the longest days is June, with an average of 14h and 48min of daylight.
June has the most sunshine of the year, with an average of 10.4h of sunshine.
With average high and low temperatures of 85.1°F (29.5°C) and 67.6°F (19.8°C) respectively, July is Germantown's warmest month.
The months with the highest humidity are July and August, with an average relative humidity of 80%.
September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.89" (48mm) of precipitation.
With an average relative humidity of 71%, October is the least humid month.
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Germantown, IL
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (37.2°F).
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Germantown, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"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 (29.93"Hg).
Average wind speed
Germantown, IL
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.7mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.4mph - Average wind speed in May:
7.8mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
8.2mph - Average wind speed in November:
8.9mph - Average wind speed in December:
8.9mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity
Germantown, IL
The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Germantown, IL
- Average rainfall in January:
2.44" - Average rainfall in February:
1.97" - Average rainfall in March:
2.91" - Average rainfall in April:
4.13" - Average rainfall in May:
4.29" - Average rainfall in June:
4.37"
- Average rainfall in July:
3.39" - Average rainfall in August:
3.11" - Average rainfall in September:
1.89" - Average rainfall in October:
2.87" - Average rainfall in November:
2.28" - Average rainfall in December:
2.52"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days
Germantown, IL
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
9.4 days - Average rainfall days in March:
15.3 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
17.9 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
11.2 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (9.1 days).
Average snowfall
Germantown, IL
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Germantown, IL
- Average snowfall days in January:
7.5 days - Average snowfall days in February:
6.5 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
4 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Germantown, IL
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 30min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 18min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Germantown, IL
- Average sunshine days in January:
16.1 days - Average sunshine days in February:
13.4 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.5 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
18 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (10.5 days).
Average UV index
Germantown, IL
The months with the highest UV index are May, 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
Germantown, IL
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility
Germantown, IL
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).
