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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 Spillville, Iowa, is another subzero cold winter month, with an average temperature fluctuating between 22.3°F (-5.4°C) and 9.7°F (-12.4°C). January, marked by an average high-temperature of 22.3°F (-5.4°C) and a low-temperature of 9.7°F (-12.4°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Spillville, Iowa, with an average temperature varying between 26.1°F (-3.3°C) and 12.7°F (-10.7°C). February ushers in an average high-temperature of a still subzero cold 26.1°F (-3.3°C), aligning closely with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Spillville, is a cold month, with an average temperature fluctuating between 26.8°F (-2.9°C) and 41°F (5°C). Spillville's March weather is marked by a distinct rise in high-temperatures, escalating from a subzero cold 26.1°F (-3.3°C) in February to a cold 41°F (5°C). Weather in March »
Weather in April
April is a cool spring month in Spillville, Iowa, with temperature in the range of an average low of 37.4°F (3°C) and an average high of 54°F (12.2°C). The arrival of April brings an increase in high-temperatures, moving from a wintry 41°F (5°C) in March to a cool 54°F (12.2°C). Weather in April »
Weather in May
May, the last month of the spring in Spillville, is a refreshing month, with an average temperature ranging between min 48.7°F (9.3°C) and max 65.7°F (18.7°C). The arrival of May brings an increase in high-temperatures, moving from a cool 54°F (12.2°C) in April to a comfortable 65.7°F (18.7°C). Weather in May »
Weather in June
June, the first month of the summer in Spillville, is a moderately hot month, with an average temperature fluctuating between 58.6°F (14.8°C) and 75°F (23.9°C). The start of June signals an increase in the average high-temperature, moving from a refreshing 65.7°F (18.7°C) in May to a warm 75°F (23.9°C). Weather in June »
Weather in July
July, like June, in Spillville, Iowa, is a moderately hot summer month, with an average temperature ranging between max 78.4°F (25.8°C) and min 61.9°F (16.6°C). In Spillville, July is the warmest month, with temperatures averaging a high of 78.4°F (25.8°C) and a low of 61.9°F (16.6°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Spillville, Iowa, with temperature in the range of an average high of 77.2°F (25.1°C) and an average low of 59.4°F (15.2°C). Spillville experiences a transition to a still warm 77.2°F (25.1°C) in average high-temperatures with the arrival of August, not greatly differing from July's 78.4°F (25.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Spillville, is still a pleasant month, with an average temperature fluctuating between 52°F (11.1°C) and 70.7°F (21.5°C). Spillville's September weather shows a modest shift in high-temperatures, falling from August's moderately hot 77.2°F (25.1°C) to an agreeable 70.7°F (21.5°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Spillville, Iowa, with an average temperature fluctuating between 41.2°F (5.1°C) and 56.3°F (13.5°C). The arrival of October is marked by a notable decrease in high-temperatures, falling from an agreeable 70.7°F (21.5°C) in September to a mild 56.3°F (13.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a wintry month in Spillville, Iowa, with an average temperature ranging between min 29.3°F (-1.5°C) and max 41.9°F (5.5°C). November is marked by a distinct decrease in the average high-temperature, falling from a mild 56.3°F (13.5°C) in October to an icy 41.9°F (5.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Spillville, Iowa, with an average temperature ranging between max 28.4°F (-2°C) and min 18.3°F (-7.6°C). The onset of December entails a temperature shift, as the average high-temperature decreases from an icy 41.9°F (5.5°C) in November to a subzero cold 28.4°F (-2°C). Weather in December »
Updated: Jul 16, 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 month is the coldest?
Spillville's January weather reaches an average high of 22.3°F (-5.4°C) and an average low of 9.7°F (-12.4°C), making it the coldest month.
What are the most humid months in Spillville?
January and February, with an average relative humidity of 89%, are most humid months.
What is the driest month?
January is the month with the least rainfall in Spillville. Rain falls for 4.5 days and accumulates 1.1" (28mm) of precipitation.
How much does it rain?
Throughout the year, in Spillville, there are 149 rainfall days, and 30.59" (777mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow?
Throughout the year, there are 60.9 snowfall days, and 24.37" (619mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 3.5h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
When does it snow the most?
February is the month with the most snowfall in Spillville. Snow falls for 12.8 days and accumulates 5.98" (152mm) of snow.
When is Daylight Saving Time (DST)?
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.
When is the highest UV index in Spillville?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
What is the wettest month?
The month with the most rainfall is June, when the rain falls for 20.3 days and typically aggregates up to 5.04" (128mm) of precipitation.
When it does not snow?
In Spillville, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 18min of daylight.
What is the warmest month?
July is the month that records the highest temperatures, with averages ranging from a high of 78.4°F (25.8°C) to a low of 61.9°F (16.6°C).
What month has the most sunshine?
With an average of 9.8h of sunshine, August has the most sunshine of the year.
What is the least humid month in Spillville?
The least humid month is October, with an average relative humidity of 76%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 0min of daylight.
Average temperature
Spillville, IA
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (22.3°F).
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure
Spillville, IA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"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:
29.96"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.1"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Spillville, IA
- Average wind speed in January:
10.2mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.4mph - Average wind speed in May:
9mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity
Spillville, IA
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is October (76%).
Average rainfall
Spillville, IA
- Average rainfall in January:
1.1" - Average rainfall in February:
1.26" - Average rainfall in March:
1.81" - Average rainfall in April:
3.39" - Average rainfall in May:
4.06" - Average rainfall in June:
5.04"
The wettest month (with the highest rainfall) is June (5.04").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days
Spillville, IA
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
16.5 days - Average rainfall days in May:
20.3 days - Average rainfall days in June:
20.3 days
- Average rainfall days in July:
18 days - Average rainfall days in August:
14.9 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8 days - Average rainfall days in December:
6.4 days
The months with the highest number of rainy days are May and June (20.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall
Spillville, IA
- Average snowfall in January:
5.63" - Average snowfall in February:
5.98" - Average snowfall in March:
2.95" - Average snowfall in April:
2.44" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Spillville, IA
- Average snowfall days in January:
14.3 days - Average snowfall days in February:
12.8 days - Average snowfall days in March:
8.8 days - Average snowfall days in April:
3.8 days - Average snowfall days in May:
0.4 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:
1.8 days - Average snowfall days in November:
5.9 days - Average snowfall days in December:
13.1 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Spillville, IA
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - 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 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
3h and 3min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 1min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Spillville, IA
- Average sunshine days in January:
14 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
13 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
8.2 days - Average sunshine days in June:
7.1 days
- Average sunshine days in July:
8.6 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
15.6 days - Average sunshine days in November:
16.2 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (7.1 days).
Average UV index
Spillville, IA
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Spillville, IA
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Spillville, IA
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Spillville, Iowa, USA
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