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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 Sperry, Iowa, with an average temperature varying between 29.7°F (-1.3°C) and 17.4°F (-8.1°C). In Sperry, Iowa, January is the coldest month, with temperatures averaging a high of 29.7°F (-1.3°C) and a low of 17.4°F (-8.1°C). Weather in January »
Weather in February
February, the last month of the winter in Sperry, is a cold month, with an average temperature varying between 21°F (-6.1°C) and 34.3°F (1.3°C). The advent of February brings an average high-temperature of an icy 34.3°F (1.3°C), exhibiting minor difference from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Sperry, is a chilly month, with an average temperature fluctuating between 33.4°F (0.8°C) and 48°F (8.9°C). Observing a rise in March, the average high-temperature goes from February's cold 34.3°F (1.3°C) to a chilly 48°F (8.9°C). Weather in March »
Weather in April
April is a mild spring month in Sperry, Iowa, with an average temperature varying between 43.7°F (6.5°C) and 60.4°F (15.8°C). Observing a rise in April, the average high-temperature goes from March's frosty 48°F (8.9°C) to a moderate 60.4°F (15.8°C). Weather in April »
Weather in May
May, the last month of the spring in Sperry, is an agreeable month, with an average temperature fluctuating between 70.9°F (21.6°C) and 54°F (12.2°C). May's arrival brings a temperature shift, moving from a refreshing 60.4°F (15.8°C) in April to a pleasant 70.9°F (21.6°C). Weather in May »
Weather in June
June, the first month of the summer in Sperry, is a moderately hot month, with an average temperature fluctuating between 63.7°F (17.6°C) and 79.9°F (26.6°C). June brings a rise in the average high-temperature, transitioning from May's pleasant 70.9°F (21.6°C) to a warm 79.9°F (26.6°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Sperry, Iowa, with an average temperature varying between 65.5°F (18.6°C) and 82.4°F (28°C). With an average high-temperature of 82.4°F (28°C) and an average low-temperature of 65.5°F (18.6°C), July is the warmest month. During July, the heat index is computed to be a hot 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Sperry, is another warm month, with an average temperature varying between 81.7°F (27.6°C) and 63.3°F (17.4°C). During August, Sperry observes a subtle ascent to a still moderately hot 81.7°F (27.6°C) from July's 82.4°F (28°C) in the average high-temperature. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Sperry, Iowa, with an average temperature varying between 56.7°F (13.7°C) and 76.1°F (24.5°C). In September, the average high-temperature marginally drops from 81.7°F (27.6°C) in August to a still warm 76.1°F (24.5°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Sperry, Iowa, with an average temperature ranging between min 45.9°F (7.7°C) and max 61.7°F (16.5°C). With the onset of October, Sperry experiences a distinct temperature drop, with the average high-temperature reducing from September's warm 76.1°F (24.5°C) to a refreshing 61.7°F (16.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Sperry, is another chilly month, with an average temperature ranging between max 47.8°F (8.8°C) and min 34.2°F (1.2°C). November brings a minor decrease, with the average high-temperature reducing from a refreshing 61.7°F (16.5°C) in October to a chilly 47.8°F (8.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Sperry, Iowa, with an average temperature varying between 24.6°F (-4.1°C) and 35.8°F (2.1°C). The shift from November to December involves a decrease in the average high-temperature, dropping from a frosty 47.8°F (8.8°C) to an icy 35.8°F (2.1°C). Weather in December »
Updated: Jun 24, 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?
Sperry notes the coldest temperatures in January, with a average high of 29.7°F (-1.3°C) and a low of 17.4°F (-8.1°C).
How many days does it rain?
Throughout the year, there are 130.4 rainfall days, and 21.81" (554mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, October through December.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 10 days and accumulates 3.03" (77mm) of snow.
How much does it snow?
Throughout the year, there are 32.5 snowfall days, and 9.57" (243mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.2h of sunshine.
What is the month with the lowest UV index?
The month with the lowest UV index is January, with an average maximum UV index of 1.
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.
What is the rainiest month in Sperry?
May is the month with the most rainfall. Rain falls for 16.7 days and accumulates 3.23" (82mm) of precipitation.
When it does not snow?
In Sperry, snow does not fall in May through September.
When are the longest days?
June has the longest days of the year in Sperry, with an average of 15h and 6min of daylight.
What are the months with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What month is the hottest?
With its average high temperature of 82.4°F (28°C) and a low of 65.5°F (18.6°C), July is regarded as the warmest month.
What is the most humid month?
With an average relative humidity of 83%, July is the most humid month.
What month has the most sunshine?
With an average of 10.1h of sunshine, July has the most sunshine of the year.
What is the least humid month?
October is the least humid month, with an average relative humidity of 70%.
What is the driest month?
The month with the least rainfall is December, when the rain falls for 6.5 days and typically collects 0.87" (22mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Sperry, IA
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure
Sperry, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"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:
30.01"Hg - Average pressure in November:
30.1"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 (29.9"Hg).
Average wind speed
Sperry, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.9mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.1mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
Sperry, IA
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Sperry, IA
- Average rainfall in January:
1.1" - Average rainfall in February:
0.98" - Average rainfall in March:
1.46" - Average rainfall in April:
2.36" - Average rainfall in May:
3.23" - Average rainfall in June:
2.87"
- Average rainfall in July:
2.2" - Average rainfall in August:
1.46" - Average rainfall in September:
2.01" - Average rainfall in October:
1.85" - Average rainfall in November:
1.42" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days
Sperry, IA
- Average rainfall days in January:
4.7 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
12 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
10.5 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 (16.7 days).
The month with the least rainy days is January (4.7 days).
Average snowfall
Sperry, IA
The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Sperry, IA
- Average snowfall days in January:
10 days - Average snowfall days in February:
8.3 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
1.1 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:
0.4 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
6.2 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Sperry, 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 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 3min
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 12min).
Average sunshine days
Sperry, IA
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
15.9 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
10.5 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
16 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
18 days - Average sunshine days in December:
18.5 days
The months with the most sunshine days are October and December (18.5 days).
The month with the least sunshine days is June (10.5 days).
Average UV index
Sperry, IA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Sperry, IA
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Sperry, 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).
Sperry, Iowa, USA
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