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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 a freezing cold winter month in Leon, Iowa, with temperature in the range of an average low of 16.9°F (-8.4°C) and an average high of 30.6°F (-0.8°C). Leon's temperature records reveal January as the coldest month, marked by average highs of 30.6°F (-0.8°C) and lows of 16.9°F (-8.4°C). Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Leon, Iowa, with an average temperature fluctuating between 34.3°F (1.3°C) and 19.8°F (-6.8°C). February's commencement is accompanied by an average high-temperature of an icy 34.3°F (1.3°C), diverging marginally from January's 30.6°F (-0.8°C). Weather in February »
Weather in March
March, the first month of the spring in Leon, is a chilly month, with an average temperature ranging between min 33.4°F (0.8°C) and max 48.9°F (9.4°C). Leon's weather in March is marked by a clear rise in the average high-temperature, moving up from February's wintry 34.3°F (1.3°C) to a frosty 48.9°F (9.4°C). Weather in March »
Weather in April
April is a refreshing spring month in Leon, Iowa, with an average temperature fluctuating between 60.4°F (15.8°C) and 43°F (6.1°C). April's arrival brings a change in high-temperatures, moving from a chilly 48.9°F (9.4°C) in March to a moderate 60.4°F (15.8°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Leon, Iowa, with an average temperature varying between 69.4°F (20.8°C) and 53.1°F (11.7°C). Leon's May weather brings a rise in high-temperatures, moving from a moderate 60.4°F (15.8°C) in April to a pleasant 69.4°F (20.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Leon, Iowa, with an average temperature fluctuating between 63.1°F (17.3°C) and 79.9°F (26.6°C). Noticing a change, the average high-temperature during June moves from May's agreeable 69.4°F (20.8°C) to a warm 79.9°F (26.6°C). Weather in June »
Weather in July
July, like June, in Leon, Iowa, is another warm summer month, with an average temperature varying between 83.5°F (28.6°C) and 66°F (18.9°C). Temperature records mark July as the warmest month, with highs averaging 83.5°F (28.6°C) and lows at 66°F (18.9°C). Throughout July, the heat index is computed to be a tropical 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Leon, Iowa, with an average temperature varying between 81.9°F (27.7°C) and 63.5°F (17.5°C). Leon experiences a transition to a still warm 81.9°F (27.7°C) in average high-temperatures with the arrival of August, not greatly differing from July's 83.5°F (28.6°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Leon, Iowa, with an average temperature ranging between max 76.1°F (24.5°C) and min 56.3°F (13.5°C). The arrival of September corresponds with a light shift in temperature, down from 81.9°F (27.7°C) in August to a still moderately hot 76.1°F (24.5°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Leon, Iowa, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 44.4°F (6.9°C). Leon's weather in October is marked by a clear decrease in the average high-temperature, moving down from September's moderately hot 76.1°F (24.5°C) to a refreshing 61.7°F (16.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Leon, Iowa, with an average temperature fluctuating between 48.6°F (9.2°C) and 33.1°F (0.6°C). November brings a decrease in the average high-temperature, falling from October's comfortable 61.7°F (16.5°C) to a frosty 48.6°F (9.2°C). Weather in November »
Weather in December
December, the first month of the winter in Leon, is still a cold month, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 35.6°F (2°C). The arrival of December corresponds with a reduction in the average high-temperature, down from November's chilly 48.6°F (9.2°C) to a wintry 35.6°F (2°C). Weather in December »
Updated: Jun 14, 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 time of the year is the coldest?
January, with its high-temperature average of 30.6°F (-0.8°C) and a low-temperature average of 16.9°F (-8.4°C), is the coldest month in Leon.
What is the driest month?
January and December are months with the least rain when the rain falls for 4.8 days and typically aggregates up to 0.67" (17mm) of rain.
How many days does it rain?
In Leon, during the entire year, the rain falls for 132.4 days and collects up to 20.24" (514mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
When does it snow the most in Leon?
January is the month with the most snowfall. Snow falls for 8.6 days and accumulates 2.72" (69mm) of snow.
How many days does it snow?
In Leon, during the entire year, snow falls for 30.2 days and aggregates up to 10.16" (258mm) of snow.
What is the month with the least sunshine in Leon?
With an average of 4.4h of sunshine, January has the least sunshine of the year.
When is the lowest UV index in Leon?
With an average maximum UV index of 1, January is the month with the lowest UV index.
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 most humid month?
With an average relative humidity of 83%, June is the most humid month.
What is the rainiest month?
The month with the most rainfall is June, when the rain falls for 17.3 days and typically aggregates up to 3.43" (87mm) of precipitation.
When it does not snow?
In Leon, snow does not fall in June through September.
When are the longest days?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What are the months with the highest UV index?
The months with the highest UV index in Leon are June through August, with an average maximum UV index of 6.
What is the hottest time of year?
The highest temperatures are recorded in July, with averages reaching a high of 83.5°F (28.6°C) and a low of 66°F (18.9°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.4h of sunshine.
What is the least humid month?
The least humid month is October, with an average relative humidity of 72%.
What is the month with the shortest days?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Leon, IA
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure
Leon, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.93"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:
30.01"Hg - Average pressure in October:
30.01"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 (29.89"Hg).
Average wind speed
Leon, 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:
10.3mph - Average wind speed in May:
8.6mph - Average wind speed in June:
8mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.9mph - Average wind speed in September:
7.9mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.2mph - Average wind speed in December:
9.9mph
The windiest months (with the highest average wind speed) are January, February and March (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity
Leon, IA
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Leon, IA
- Average rainfall in January:
0.67" - Average rainfall in February:
0.71" - Average rainfall in March:
1.5" - Average rainfall in April:
1.81" - Average rainfall in May:
2.8" - Average rainfall in June:
3.43"
- Average rainfall in July:
1.89" - Average rainfall in August:
1.93" - Average rainfall in September:
2.24" - Average rainfall in October:
1.54" - Average rainfall in November:
1.06" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is June (3.43").
The driest months (with the least rainfall) are January and December (0.67").
Average rainfall days
Leon, IA
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
5 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
5.7 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall
Leon, IA
The month with the highest snowfall is January (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Leon, IA
- Average snowfall days in January:
8.6 days - Average snowfall days in February:
8.2 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
1.3 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:
0.5 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Leon, 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 0min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - 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 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Leon, IA
- Average sunshine days in January:
19.1 days - Average sunshine days in February:
15.9 days - Average sunshine days in March:
15 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
8.9 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
16 days - Average sunshine days in October:
18.6 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
20.3 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is June (8.9 days).
Average UV index
Leon, IA
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Leon, IA
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Leon, IA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Leon, Iowa, USA
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