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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, the same as December, in Shannon City, Iowa, is a freezing cold winter month, with an average temperature fluctuating between 29.1°F (-1.6°C) and 15.8°F (-9°C). The month of January sees the lowest average temperatures, reaching 29.1°F (-1.6°C) at the peak and 15.8°F (-9°C) at the low. Weather in January »
Weather in February
February, the last month of the winter in Shannon City, is a wintry month, with temperature in the range of an average high of 33.3°F (0.7°C) and an average low of 18.9°F (-7.3°C). Shannon City, Iowa, experiences a transition to a cold 33.3°F (0.7°C) in average high-temperatures with the arrival of February, not greatly differing from January's 29.1°F (-1.6°C). Weather in February »
Weather in March
March, the first month of the spring in Shannon City, is a frosty month, with temperature in the range of an average low of 32.5°F (0.3°C) and an average high of 48.2°F (9°C). As March arrives, Shannon City's weather displays a notable increase in high-temperatures, climbing from February's cold 33.3°F (0.7°C) to a frosty 48.2°F (9°C). Weather in March »
Weather in April
April is a refreshing spring month in Shannon City, Iowa, with an average temperature fluctuating between 59.7°F (15.4°C) and 42.3°F (5.7°C). As Shannon City enters April, the average high-temperature increases from the a frosty 48.2°F (9°C) of March to a mild 59.7°F (15.4°C). Weather in April »
Weather in May
May, the last month of the spring in Shannon City, is an agreeable month, with an average temperature ranging between max 69.3°F (20.7°C) and min 52.7°F (11.5°C). With the onset of May, the average high-temperature slightly shifts from April's refreshing 59.7°F (15.4°C) to an agreeable 69.3°F (20.7°C). Weather in May »
Weather in June
June, the first month of the summer in Shannon City, is a warm month, with an average temperature ranging between min 63.1°F (17.3°C) and max 79.5°F (26.4°C). Shannon City's weather in June presents a rise in the average high-temperature, moving from an agreeable 69.3°F (20.7°C) in May to a warm 79.5°F (26.4°C). Weather in June »
Weather in July
July, like June, in Shannon City, Iowa, is a moderately hot summer month, with an average temperature ranging between min 65.8°F (18.8°C) and max 82.9°F (28.3°C). In Shannon City, July is the month with the highest recorded average temperatures, measuring a high of 82.9°F (28.3°C) and a low of 65.8°F (18.8°C). July's heat index is evaluated at a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Shannon City, is also a moderately hot month, with an average temperature varying between 63°F (17.2°C) and 81°F (27.2°C). The commencement of August brings an average high-temperature of a still warm 81°F (27.2°C), marking an inconsequential divergence from July. Weather in August »
Weather in September
September, the first month of the autumn in Shannon City, is also a moderately hot month, with an average temperature varying between 56.1°F (13.4°C) and 75°F (23.9°C). A subtle shift in Shannon City's weather is observed as August turns into September, with the average high temperature reducing from a moderately hot 81°F (27.2°C) to a still warm 75°F (23.9°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Shannon City, Iowa, with temperature in the range of an average low of 44.1°F (6.7°C) and an average high of 60.6°F (15.9°C). October comes with a decrease in the average high-temperature, falling from a warm 75°F (23.9°C) in September to a refreshing 60.6°F (15.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Shannon City, Iowa, with an average temperature fluctuating between 47.3°F (8.5°C) and 32.5°F (0.3°C). The average high-temperature drops in November, from October's refreshing 60.6°F (15.9°C) to a chilly 47.3°F (8.5°C). Weather in November »
Weather in December
December, the first month of the winter in Shannon City, is still a cold month, with an average temperature ranging between max 34.3°F (1.3°C) and min 22.3°F (-5.4°C). December involves a decrease in temperature, down from a chilly 47.3°F (8.5°C) in November to a cold 34.3°F (1.3°C). Weather in December »
Updated: Jul 26, 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 part of the year is the coldest?
January, marked by an average high-temperature of 29.1°F (-1.6°C) and a low-temperature of 15.8°F (-9°C), is the coldest month.
What is the most humid month?
The months with the highest humidity are January and June, with an average relative humidity of 82%.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 3.7 days and typically collects 0.75" (19mm) of precipitation.
How many days does it rain?
In Shannon City, during the entire year, the rain falls for 127.7 days and collects up to 23.39" (594mm) of precipitation.
When does it snow?
Months with snowfall in Shannon City are January through May, October through December.
What is the snowiest month?
January is the month with the most snowfall in Shannon City. Snow falls for 8.7 days and accumulates 3.15" (80mm) of snow.
How much does it snow?
Throughout the year, there are 32.6 snowfall days, and 12.01" (305mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.4h of sunshine.
When is the lowest UV index?
January is the month with the lowest UV index, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Shannon City?
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.
What is the wettest month?
June is the month with the most rainfall in Shannon City. Rain falls for 17 days and accumulates 4.17" (106mm) of precipitation.
When it does not snow?
In Shannon City, snow does not fall in June through September.
When are the longest days?
June has the longest days of the year, with an average of 15h and 6min of daylight.
When is the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What time of the year is the hottest?
Shannon City notes the warmest temperatures in July, with a average high of 82.9°F (28.3°C) and a low of 65.8°F (18.8°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.1h of sunshine.
What is the least humid month?
With an average relative humidity of 71%, October is the least humid month.
What is the month with the shortest days?
The month with the shortest days in Shannon City is December, with an average of 9h and 18min of daylight.
Average temperature
Shannon City, IA
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (29.1°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure
Shannon City, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.92"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:
30.13"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
Shannon City, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.9mph - Average wind speed in June:
8.2mph
- 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:
9.7mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.3mph
The windiest months (with the highest average wind speed) are January and February (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity
Shannon City, IA
The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Shannon City, IA
- Average rainfall in January:
0.75" - Average rainfall in February:
0.79" - Average rainfall in March:
1.42" - Average rainfall in April:
2.13" - Average rainfall in May:
3.62" - Average rainfall in June:
4.17"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.44" - Average rainfall in September:
2.2" - Average rainfall in October:
1.69" - Average rainfall in November:
1.06" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days
Shannon City, IA
- Average rainfall days in January:
3.7 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
5 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (3.7 days).
Average snowfall
Shannon City, IA
- Average snowfall in January:
3.15" - Average snowfall in February:
2.83" - Average snowfall in March:
1.69" - Average snowfall in April:
1.18" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Shannon City, IA
- Average snowfall days in January:
8.7 days - Average snowfall days in February:
8 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
1.6 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:
0.8 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Shannon City, 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 3min - 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 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- 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:
7h and 5min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 1min - 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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Shannon City, IA
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
13.9 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (10.7 days).
Average UV index
Shannon City, IA
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Shannon City, IA
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility
Shannon City, IA
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).
Shannon City, Iowa, USA
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