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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 Green Island, Iowa, with an average temperature fluctuating between 13.1°F (-10.5°C) and 25.7°F (-3.5°C). January proves to be the coldest month, recording an average maximum temperature of 25.7°F (-3.5°C) and a minimum temperature of 13.1°F (-10.5°C). Weather in January »
Weather in February
February, the last month of the winter in Green Island, is another freezing cold month, with an average temperature ranging between min 16.2°F (-8.8°C) and max 29.3°F (-1.5°C). The commencement of February brings an average high-temperature of a still subzero cold 29.3°F (-1.5°C), marking an inconsequential divergence from January. Weather in February »
Weather in March
March, the first month of the spring in Green Island, is a frosty month, with an average temperature varying between 29.5°F (-1.4°C) and 44.2°F (6.8°C). As March begins, there is a noticeable increase in the average high-temperature, soaring from a subzero cold 29.3°F (-1.5°C) in February to a frosty 44.2°F (6.8°C). Weather in March »
Weather in April
April is a moderate spring month in Green Island, Iowa, with an average temperature fluctuating between 56.1°F (13.4°C) and 39.7°F (4.3°C). A rise in the average high-temperature is observed during April, moving from a frosty 44.2°F (6.8°C) in March to a moderate 56.1°F (13.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Green Island, Iowa, with an average temperature ranging between max 68.2°F (20.1°C) and min 50.7°F (10.4°C). Noticing a change, the average high-temperature during May moves from April's mild 56.1°F (13.4°C) to a pleasant 68.2°F (20.1°C). Weather in May »
Weather in June
June, the first month of the summer in Green Island, is a warm month, with an average temperature ranging between max 77°F (25°C) and min 60.1°F (15.6°C). In Green Island, the onset of June comes with a modest high-temperature shift, transitioning from May's pleasant 68.2°F (20.1°C) to a moderately hot 77°F (25°C). Weather in June »
Weather in July
July, like June, in Green Island, Iowa, is another warm summer month, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63.5°F (17.5°C). July is the month when Green Island's temperatures reach their peak, with averages of 79.9°F (26.6°C) and lows of 63.5°F (17.5°C). Weather in July »
Weather in August
August, the last month of the summer in Green Island, is also a moderately hot month, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 61°F (16.1°C). August's weather displays an average high-temperature of a still warm 79°F (26.1°C), slightly varied from July's 79.9°F (26.6°C). Weather in August »
Weather in September
September, the first month of the autumn in Green Island, is also an agreeable month, with an average temperature ranging between max 73°F (22.8°C) and min 54°F (12.2°C). As August transitions into September, Green Island sees a gentle drop in the average high-temperature, transitioning from a moderately hot 79°F (26.1°C) to a pleasant 73°F (22.8°C). Weather in September »
Weather in October
October, the same as September, in Green Island, Iowa, is another refreshing autumn month, with an average temperature fluctuating between 59.2°F (15.1°C) and 43°F (6.1°C). Onset of October comes with a temperature decline, the average high falling from a pleasant 73°F (22.8°C) in September to a refreshing 59.2°F (15.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Green Island, is another chilly month, with an average temperature fluctuating between 31.1°F (-0.5°C) and 44.8°F (7.1°C). As November begins, there is a noticeable decrease in the average high-temperature, falling from a moderate 59.2°F (15.1°C) in October to a frosty 44.8°F (7.1°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Green Island, Iowa, with an average temperature varying between 21.6°F (-5.8°C) and 32°F (0°C). With the onset of December, Green Island's average high-temperature adjusts, receding from November's frosty 44.8°F (7.1°C) to an icy 32°F (0°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Green Island?
January stands out as Green Island's coldest month, with an average high-temperature of 25.7°F (-3.5°C) and a low-temperature of 13.1°F (-10.5°C).
What is the most humid month in Green Island?
January is the most humid month in Green Island, with an average relative humidity of 87%.
What is the driest month in Green Island?
The month with the least rainfall in Green Island, Iowa, is January, when the rain falls for 5.4 days and typically collects 1.22" (31mm) of precipitation.
How many days does it rain in Green Island?
Throughout the year, in Green Island, Iowa, there are 145.6 rainfall days, and 28.9" (734mm) of precipitation is accumulated.
When does it snow in Green Island?
January through April, October through December are months with snowfall in Green Island.
When does it snow the most in Green Island?
The month with the most snowfall in Green Island, Iowa, is January, when snow falls for 10.6 days and typically aggregates up to 4.61" (117mm) of snow.
How much does it snow in Green Island?
Throughout the year, there are 40.1 snowfall days, and 16.61" (422mm) of snow is accumulated.
What is the month with the least sunshine in Green Island?
With an average of 3.7h of sunshine, January has the least sunshine of the year in Green Island, Iowa.
When is the lowest UV index in Green Island?
The months with the lowest UV index in Green Island, Iowa, are January and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Green Island?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Green Island, 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 wettest month in Green Island?
The month with the most rainfall in Green Island is May, when the rain falls for 19.8 days and typically aggregates up to 4.13" (105mm) of precipitation.
When it does not snow in Green Island?
May through September are months without snowfall.
When are the longest days in Green Island?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What is the hottest time of year in Green Island?
Green Island's July weather, with an average high temperature of 79.9°F (26.6°C) and an average low temperature of 63.5°F (17.5°C), tends to be the warmest of the year.
What month has the most sunshine in Green Island?
July has the most sunshine of the year, with an average of 9.9h of sunshine.
When is the highest UV index in Green Island?
With an average maximum UV index of 6, July is the month with the highest UV index.
What is the least humid month in Green Island?
With an average relative humidity of 75%, October is the least humid month.
What is the month with the shortest days in Green Island?
With an average of 9h and 12min of daylight, December has the shortest days of the year in Green Island.
Average temperature
Green Island, IA
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.7°F).
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure
Green Island, 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:
29.94"Hg - Average pressure in May:
29.95"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"Hg - Average pressure in November:
30.09"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
Green Island, IA
- Average wind speed in January:
9.9mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Green Island, IA
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Green Island, IA
- Average rainfall in January:
1.22" - Average rainfall in February:
1.34" - Average rainfall in March:
1.81" - Average rainfall in April:
3.39" - Average rainfall in May:
4.13" - Average rainfall in June:
3.62"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days
Green Island, IA
- Average rainfall days in January:
5.4 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
12 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
19.8 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
12.4 days - Average rainfall days in October:
12 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (4.5 days).
Average snowfall
Green Island, IA
The month with the highest snowfall is January (4.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Green Island, IA
- Average snowfall days in January:
10.6 days - Average snowfall days in February:
9.3 days - Average snowfall days in March:
5.7 days - Average snowfall days in April:
1.6 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:
0.7 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
8.7 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Green Island, IA
- Average daylight in January:
9h and 3min - 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:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Green Island, IA
- Average sunshine days in January:
16.6 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
14 days - Average sunshine days in April:
10.6 days - Average sunshine days in May:
9.5 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
19 days - Average sunshine days in December:
17.1 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (9.5 days).
Average UV index
Green Island, IA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Green Island, IA
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility
Green Island, 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).
Green Island, Iowa, USA
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