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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 Kelley, Iowa, is a freezing cold winter month, with temperature in the range of an average low of 13.5°F (-10.3°C) and an average high of 26.6°F (-3°C). January is the coldest month, exhibiting average temperatures of 26.6°F (-3°C) at the peak and 13.5°F (-10.3°C) at the base. Weather in January »
Weather in February
February, the last month of the winter in Kelley, is also a subzero cold month, with an average temperature varying between 17.1°F (-8.3°C) and 30.6°F (-0.8°C). As Kelley, Iowa, welcomes February, the average high-temperature stabilizes at a still freezing cold 30.6°F (-0.8°C), showing little deviation from January's 26.6°F (-3°C). Weather in February »
Weather in March
March, the first month of the spring in Kelley, is a frosty month, with temperature in the range of an average high of 45.7°F (7.6°C) and an average low of 31.1°F (-0.5°C). Kelley's weather in March is characterized by a distinct rise in the average high-temperature, escalating from a freezing cold 30.6°F (-0.8°C) in February to a frosty 45.7°F (7.6°C). Weather in March »
Weather in April
April is a refreshing spring month in Kelley, Iowa, with an average temperature fluctuating between 58.5°F (14.7°C) and 41.7°F (5.4°C). April comes with an increase, with the average high-temperature moving from a chilly 45.7°F (7.6°C) in March to a moderate 58.5°F (14.7°C). Weather in April »
Weather in May
May, the last month of the spring in Kelley, is a pleasant month, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 69.3°F (20.7°C). May's arrival is marked by an increase in the average high-temperature, moving from a refreshing 58.5°F (14.7°C) in April to an agreeable 69.3°F (20.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Kelley, Iowa, with an average temperature fluctuating between 79.2°F (26.2°C) and 62.2°F (16.8°C). The arrival of June signals an increase in the average high-temperature, moving from a pleasant 69.3°F (20.7°C) in May to a moderately hot 79.2°F (26.2°C). Weather in June »
Weather in July
July, like June, in Kelley, Iowa, is another warm summer month, with an average temperature fluctuating between 64.6°F (18.1°C) and 81.3°F (27.4°C). July is the warmest month of the year, registering average temperatures as high as 81.3°F (27.4°C) and as low as 64.6°F (18.1°C). During July, the heat index is evaluated at a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Kelley, Iowa, with an average temperature ranging between max 79.9°F (26.6°C) and min 61.9°F (16.6°C). With the onset of August, Kelley's average high-temperature clocks in at a still warm 79.9°F (26.6°C), showing a minor fluctuation from the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Kelley, is still a warm month, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 55.8°F (13.2°C). September's onset records an average high-temperature of a still moderately hot 74.8°F (23.8°C), a near match to August's 79.9°F (26.6°C). Weather in September »
Weather in October
October, the same as September, in Kelley, Iowa, is another mild autumn month, with an average temperature varying between 44.2°F (6.8°C) and 59.9°F (15.5°C). A noticeable downshift in temperatures is seen as September gives way to October, with average highs moving from a moderately hot 74.8°F (23.8°C) to a mild 59.9°F (15.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Kelley, Iowa, with an average temperature varying between 32°F (0°C) and 45.9°F (7.7°C). November brings a drop in Kelley's average high-temperature, falling from a moderate 59.9°F (15.5°C) in October to a frosty 45.9°F (7.7°C). Weather in November »
Weather in December
December, the first month of the winter in Kelley, is still a cold month, with an average temperature ranging between min 21.4°F (-5.9°C) and max 32.5°F (0.3°C). As December commences, the average high-temperature shows a reduction, transitioning from a frosty 45.9°F (7.7°C) in November to a cold 32.5°F (0.3°C). Weather in December »
Updated: Aug 27, 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?
Kelley experiences its average lowest temperatures in January, reaching a peak of 26.6°F (-3°C) and a minimum of 13.5°F (-10.3°C).
What is the most humid month?
With an average relative humidity of 84%, January is the most humid month.
What is the driest month?
January is the month with the least rainfall. Rain falls for 4 days and accumulates 0.94" (24mm) of precipitation.
How many days does it rain?
In Kelley, during the entire year, the rain falls for 130.6 days and collects up to 27.48" (698mm) of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 9.1 days and typically aggregates up to 4.06" (103mm) of snow.
How many days does it snow?
Throughout the year, there are 36.2 snowfall days, and 15.43" (392mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.9h 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?
May is the month with the most rainfall. Rain falls for 17.2 days and accumulates 4.09" (104mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
With an average of 15h and 12min of daylight, June has the longest days of the year.
What is the month with the highest UV index in Kelley?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What time of the year is the hottest?
The average temperatures reach their apex in July, averaging 81.3°F (27.4°C) at the high end and 64.6°F (18.1°C) at the low end.
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 month with the shortest days?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Kelley, IA
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (26.6°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure
Kelley, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"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:
29.97"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.12"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
Kelley, IA
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8.3mph
- 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:
10.3mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity
Kelley, IA
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Kelley, IA
- Average rainfall in January:
0.94" - Average rainfall in February:
1.02" - Average rainfall in March:
1.69" - Average rainfall in April:
2.99" - Average rainfall in May:
4.09" - Average rainfall in June:
3.82"
- Average rainfall in July:
2.52" - Average rainfall in August:
2.68" - Average rainfall in September:
3.03" - Average rainfall in October:
2.09" - Average rainfall in November:
1.26" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days
Kelley, IA
- Average rainfall days in January:
4 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
18 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
4.9 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (3.3 days).
Average snowfall
Kelley, IA
- Average snowfall in January:
4.06" - Average snowfall in February:
3.94" - Average snowfall in March:
1.69" - Average snowfall in April:
0.75" - Average snowfall in May:
0.35" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Kelley, IA
- Average snowfall days in January:
9.1 days - Average snowfall days in February:
8.3 days - Average snowfall days in March:
4.9 days - Average snowfall days in April:
1.8 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:
0.6 days - Average snowfall days in November:
2.9 days - Average snowfall days in December:
8.4 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Kelley, 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 3min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- 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 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: 3h and 54min).
Average sunshine days
Kelley, IA
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (10.4 days).
Average UV index
Kelley, 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
Kelley, IA
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility
Kelley, IA
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Kelley, Iowa, USA
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