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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 another subzero cold winter month in Cass, Iowa, with an average temperature varying between 25.5°F (-3.6°C) and 13.5°F (-10.3°C). Cass witnesses the coldest weather in January, with temperatures averaging a high of 25.5°F (-3.6°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 Cass, is another freezing cold month, with temperature in the range of an average high of 29.8°F (-1.2°C) and an average low of 16.7°F (-8.5°C). Cass signifies an average high-temperature of a still subzero cold 29.8°F (-1.2°C) in February, closely mirroring the 25.5°F (-3.6°C) of January. Weather in February »
Weather in March
March, the first month of the spring in Cass, is a frosty month, with an average temperature fluctuating between 44.6°F (7°C) and 30.2°F (-1°C). The beginning of March signals a clear escalation in the average high-temperature, soaring from a subzero cold 29.8°F (-1.2°C) in February to a frosty 44.6°F (7°C). Weather in March »
Weather in April
April in Cass, Iowa, is a mild spring month, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 56.8°F (13.8°C). Cass's weather in April shows a rise in the average high-temperature, moving up from March's chilly 44.6°F (7°C) to a moderate 56.8°F (13.8°C). Weather in April »
Weather in May
May, the last month of the spring in Cass, is a pleasant month, with an average temperature ranging between min 51.6°F (10.9°C) and max 68.5°F (20.3°C). May brings a temperature increase, with average high-temperatures moving from April's refreshing 56.8°F (13.8°C) to a pleasant 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 Cass, Iowa, with an average temperature fluctuating between 61.3°F (16.3°C) and 77.2°F (25.1°C). June's arrival coincides with a marginal rise in the average high-temperature, moving from May's agreeable 68.5°F (20.3°C) to a warm 77.2°F (25.1°C). Weather in June »
Weather in July
July, like June, in Cass, Iowa, is another warm summer month, with an average temperature fluctuating between 80.1°F (26.7°C) and 64°F (17.8°C). With average temperatures fluctuating between a high of 80.1°F (26.7°C) and a low of 64°F (17.8°C), July stands out as the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Cass, is also a moderately hot month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 61.5°F (16.4°C). Cass records an average high-temperature of a still warm 79.3°F (26.3°C) in August, closely mirroring the climate of the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Cass, Iowa, with an average temperature fluctuating between 54.7°F (12.6°C) and 73.4°F (23°C). September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 79.3°F (26.3°C) to a still moderately hot 73.4°F (23°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Cass, Iowa, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 43.7°F (6.5°C). As October arrives, Cass's weather displays a decrease in high-temperatures, transitioning from September's moderately hot 73.4°F (23°C) to a moderate 59.5°F (15.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Cass, is another chilly month, with an average temperature varying between 44.8°F (7.1°C) and 31.5°F (-0.3°C). The average high-temperature exhibits a considerable decrease in November, dropping from a mild 59.5°F (15.3°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 Cass, Iowa, with temperature in the range of an average high of 32.4°F (0.2°C) and an average low of 22.1°F (-5.5°C). The average high-temperature decreases in December, shifting from a frosty 44.8°F (7.1°C) in November to a cold 32.4°F (0.2°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 is the coldest time of year in Cass?
In Cass, January is the month with the lowest recorded average temperatures, measuring a high of 25.5°F (-3.6°C) and a low of 13.5°F (-10.3°C).
What is the most humid month in Cass?
With an average relative humidity of 86%, January is the most humid month in Cass.
How much does it rain in Cass?
In Cass, during the entire year, the rain falls for 137.5 days and collects up to 27.68" (703mm) of precipitation.
When does it snow in Cass?
Months with snowfall in Cass, Iowa, are January through April, October through December.
What is the snowiest month in Cass?
The month with the most snowfall in Cass is January, when snow falls for 11.3 days and typically aggregates up to 5.16" (131mm) of snow.
How much does it snow in Cass?
In Cass, during the entire year, snow falls for 38.8 days and aggregates up to 15.16" (385mm) of snow.
What is the month with the least sunshine in Cass?
January has the least sunshine of the year, with an average of 3.8h of sunshine.
What is the driest month in Cass?
February is the month with the least rainfall in Cass. Rain falls for 5.5 days and accumulates 1.02" (26mm) of precipitation.
When is Daylight Saving Time (DST) in Cass?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Cass, 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 Cass?
May is the month with the most rainfall. Rain falls for 18.2 days and accumulates 4.45" (113mm) of precipitation.
When it does not snow in Cass?
May through September are months without snowfall in Cass, Iowa.
When are the longest days in Cass?
June has the longest days of the year in Cass, with an average of 15h and 12min of daylight.
What part of the year is the hottest in Cass?
July is the month when Cass, Iowa, sees the average highest temperatures, with a high of 80.1°F (26.7°C) and a low of 64°F (17.8°C).
What is the month with the most sunshine in Cass?
July and August, with an average of 9.8h of sunshine, are months with the most sunshine in Cass.
What is the month with the highest UV index in Cass?
The month with the highest UV index in Cass, Iowa, is July, with an average maximum UV index of 6.
What is the least humid month in Cass?
With an average relative humidity of 74%, October is the least humid month.
What is the month with the shortest days in Cass?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
What is the month with the lowest UV index in Cass?
The month with the lowest UV index in Cass, Iowa, is December, with an average maximum UV index of 1.
Average temperature
Cass, 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 (25.5°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
Cass, 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:
29.93"Hg - Average pressure in May:
29.94"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
Cass, IA
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.2mph - Average wind speed in June:
7.9mph
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
Cass, IA
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Cass, IA
- Average rainfall in January:
1.18" - Average rainfall in February:
1.02" - Average rainfall in March:
1.73" - Average rainfall in April:
3.03" - Average rainfall in May:
4.45" - Average rainfall in June:
3.9"
- Average rainfall in July:
2.72" - Average rainfall in August:
1.81" - Average rainfall in September:
2.52" - Average rainfall in October:
2.44" - Average rainfall in November:
1.57" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days
Cass, IA
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
18.2 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (4.1 days).
Average snowfall
Cass, IA
The month with the highest snowfall is January (5.16").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Cass, IA
- Average snowfall days in January:
11.3 days - Average snowfall days in February:
8.7 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
1.3 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:
0.5 days - Average snowfall days in November:
3 days - Average snowfall days in December:
8.7 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Cass, 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 5min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 4min
- 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 2min - Average sunshine in December:
4h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Cass, IA
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
16 days - Average sunshine days in March:
15.5 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
17.4 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.9 days).
Average UV index
Cass, 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
Cass, 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
Cass, 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).
Cass, Iowa, USA
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