Climate and monthly weather forecastShellsburg, IA
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Shellsburg, Iowa, with an average temperature fluctuating between 25.3°F (-3.7°C) and 13.5°F (-10.3°C). During the coldest month, January, temperatures average a high of 25.3°F (-3.7°C) and a low of 13.5°F (-10.3°C). Weather in January »Weather in February
February, the last month of the winter in Shellsburg, is also a subzero cold month, with temperature in the range of an average high of 29.5°F (-1.4°C) and an average low of 16.3°F (-8.7°C). The transition into February shows a subtle variation to a still freezing cold 29.5°F (-1.4°C) from January's 25.3°F (-3.7°C) in the average high-temperature. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Shellsburg, Iowa, with an average temperature fluctuating between 30.2°F (-1°C) and 44.2°F (6.8°C). An increase in the average high-temperature marks March, surging from February's freezing cold 29.5°F (-1.4°C) to a frosty 44.2°F (6.8°C). Weather in March »Weather in April
April is a mild spring month in Shellsburg, Iowa, with an average temperature fluctuating between 40.6°F (4.8°C) and 57°F (13.9°C). Entering April, Shellsburg sees a temperature rise, with the average high-temperature advancing from March's frosty 44.2°F (6.8°C) to a mild 57°F (13.9°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Shellsburg, Iowa, with temperature in the range of an average low of 52°F (11.1°C) and an average high of 68.5°F (20.3°C). With the onset of May, Shellsburg's weather sees a temperature rise, transitioning from a mild 57°F (13.9°C) in April to an agreeable 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 Shellsburg, Iowa, with an average temperature fluctuating between 77.4°F (25.2°C) and 61.5°F (16.4°C). As Shellsburg transitions into June, a marginal rise in the average high-temperature is observed, moving from an agreeable 68.5°F (20.3°C) in May to a warm 77.4°F (25.2°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Shellsburg, Iowa, with an average temperature ranging between max 80.1°F (26.7°C) and min 64°F (17.8°C). July tends to be the warmest month, with temperatures averaging a daily high of 80.1°F (26.7°C) and a low of 64°F (17.8°C). Weather in July »Weather in August
August, the last month of the summer in Shellsburg, is also a moderately hot month, with an average temperature varying between 61.3°F (16.3°C) and 79.2°F (26.2°C). Shellsburg marks the start of August with an average high-temperature of a still moderately hot 79.2°F (26.2°C), hinting at a slight fluctuation from July's 80.1°F (26.7°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Shellsburg, Iowa, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 73.2°F (22.9°C). A mild drop in Shellsburg's average high-temperature is observed in September, transitioning from a moderately hot 79.2°F (26.2°C) in August to a pleasant 73.2°F (22.9°C). Weather in September »Weather in October
October, the same as September, in Shellsburg, Iowa, is another mild autumn month, with an average temperature varying between 43.5°F (6.4°C) and 59.2°F (15.1°C). The onset of October introduces a moderate change in Shellsburg's weather, with average high-temperatures falling from September's pleasant 73.2°F (22.9°C) to a mild 59.2°F (15.1°C). Weather in October »Weather in November
November, the last month of the autumn in Shellsburg, is also a frosty month, with an average temperature fluctuating between 31.5°F (-0.3°C) and 44.8°F (7.1°C). The shift from October to November brings a noticeable decrease in the average high-temperature, dropping from a moderate 59.2°F (15.1°C) to a frosty 44.8°F (7.1°C). Weather in November »Weather in December
December, the first month of the winter in Shellsburg, is also a wintry month, with an average temperature fluctuating between 32.2°F (0.1°C) and 21.7°F (-5.7°C). Stepping into December, Shellsburg observes a temperature decline, with the average high falling from November's frosty 44.8°F (7.1°C) to a wintry 32.2°F (0.1°C). Weather in December »Updated: Aug 11, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January stands out as Shellsburg's coldest month, with temperatures ranging between an average high of 25.3°F (-3.7°C) and a low of 13.5°F (-10.3°C).
The most humid month is January, with an average relative humidity of 86%.
January and February are months with the least rain when the rain falls for 4.8 days and typically aggregates up to 1.18" (30mm) of rain.
In Shellsburg, during the entire year, the rain falls for 138.6 days and collects up to 27.8" (706mm) of precipitation.
January through May, October through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 11.8 days and accumulates 5.43" (138mm) of snow.
In Shellsburg, during the entire year, snow falls for 41.2 days and aggregates up to 16.73" (425mm) of snow.
The month with the least sunshine is January, with an average of 3.9h of sunshine.
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.
The month with the most rainfall is May, when the rain falls for 17.7 days and typically aggregates up to 4.37" (111mm) of precipitation.
June through September are months without snowfall.
With an average of 15h and 12min of daylight, June has the longest days of the year.
Shellsburg experiences its average highest temperatures in July, reaching a peak of 80.1°F (26.7°C) and a minimum of 64°F (17.8°C).
July has the most sunshine of the year, with an average of 10h of sunshine.
July is the month with the highest UV index in Shellsburg, with an average maximum UV index of 6.
The least humid month is October, with an average relative humidity of 73%.
With an average of 9h and 12min of daylight, December has the shortest days of the year.
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Shellsburg, IA
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.3°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure
Shellsburg, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.89"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:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Shellsburg, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.5mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.2mph - Average wind speed in June:
8mph
- Average wind speed in July:
7mph - Average wind speed in August:
7mph - Average wind speed in September:
8mph - Average wind speed in October:
9.7mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity
Shellsburg, IA
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Shellsburg, IA
- Average rainfall in January:
1.18" - Average rainfall in February:
1.18" - Average rainfall in March:
1.81" - Average rainfall in April:
3.19" - Average rainfall in May:
4.37" - Average rainfall in June:
3.62"
- Average rainfall in July:
2.91" - Average rainfall in August:
1.69" - Average rainfall in September:
2.64" - Average rainfall in October:
2.32" - Average rainfall in November:
1.54" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is May (4.37").
The driest months (with the least rainfall) are January and February (1.18").
Average rainfall days
Shellsburg, IA
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
5 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
6.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (4.8 days).
Average snowfall
Shellsburg, IA
- Average snowfall in January:
5.43" - Average snowfall in February:
4.65" - Average snowfall in March:
1.57" - Average snowfall in April:
0.75" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Shellsburg, IA
- Average snowfall days in January:
11.8 days - Average snowfall days in February:
9.6 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
1.5 days - Average snowfall days in May:
0.1 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:
3.2 days - Average snowfall days in December:
9.1 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Shellsburg, IA
- Average daylight in January:
9h and 30min - 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 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
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 54min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 18min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Shellsburg, IA
- Average sunshine days in January:
15.9 days - Average sunshine days in February:
14.4 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
9.9 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
16.6 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
17.6 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).
Average UV index
Shellsburg, IA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Shellsburg, IA
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Shellsburg, 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).
