Climate and monthly weather forecastPercival, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Percival, Iowa, with an average temperature varying between 32°F (0°C) and 18.1°F (-7.7°C). Percival experiences its lowest temperatures in January, with an average peak of 32°F (0°C) and a low of 18.1°F (-7.7°C). Weather in January »Weather in February
February, the last month of the winter in Percival, is also a wintry month, with an average temperature fluctuating between 21.6°F (-5.8°C) and 36°F (2.2°C). In February, Percival experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 32°F (0°C) in January to a still icy 36°F (2.2°C). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Percival, Iowa, with an average temperature ranging between max 51.4°F (10.8°C) and min 34.5°F (1.4°C). As March arrives, Percival's weather displays a notable increase in high-temperatures, climbing from February's cold 36°F (2.2°C) to a fresh 51.4°F (10.8°C). Weather in March »Weather in April
April in Percival, Iowa, is an enjoyable spring month, with an average temperature ranging between min 43.9°F (6.6°C) and max 62.4°F (16.9°C). April's arrival signals a temperature shift, moving from a fresh 51.4°F (10.8°C) in March to an enjoyable 62.4°F (16.9°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Percival, Iowa, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 72°F (22.2°C). In May, the meteorological conditions change with the average high-temperature moving from an enjoyable 62.4°F (16.9°C) in April to an agreeable 72°F (22.2°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Percival, Iowa, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 82.6°F (28.1°C). Percival experiences a temperature shift with the start of June, with average high-temperatures moving from a pleasant 72°F (22.2°C) in May to a moderately hot 82.6°F (28.1°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Percival, Iowa, with an average temperature fluctuating between 85.3°F (29.6°C) and 67.1°F (19.5°C). In Percival, Iowa, July records the highest average temperatures, peaking at 85.3°F (29.6°C) and reaching a low of 67.1°F (19.5°C). July's mean heat index is calculated to be a fiery hot 96.8°F (36°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Percival, Iowa, with an average temperature ranging between min 64°F (17.8°C) and max 83.3°F (28.5°C). August commences with an average high-temperature of a still moderately hot 83.3°F (28.5°C), showing little deviation from July's 85.3°F (29.6°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Percival, Iowa, with temperature in the range of an average high of 77.4°F (25.2°C) and an average low of 57.7°F (14.3°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a warm 83.3°F (28.5°C) to a still moderately hot 77.4°F (25.2°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Percival, Iowa, with an average temperature fluctuating between 62.8°F (17.1°C) and 46°F (7.8°C). October brings a significant decrease in the average high-temperature, moving down from a moderately hot 77.4°F (25.2°C) in September to a refreshing 62.8°F (17.1°C). Weather in October »Weather in November
November, the last month of the autumn in Percival, is also a frosty month, with an average temperature ranging between max 49.8°F (9.9°C) and min 34.7°F (1.5°C). The beginning of November marks a decrease in the average high-temperature, transitioning from an enjoyable 62.8°F (17.1°C) in October to a frosty 49.8°F (9.9°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Percival, Iowa, with an average temperature fluctuating between 23.5°F (-4.7°C) and 36.5°F (2.5°C). The start of December involves a temperature drop, moving from a frosty 49.8°F (9.9°C) in November to a cold 36.5°F (2.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Percival, IA
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (32°F).
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure
Percival, IA
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Percival, IA
- Average wind speed in January:
9.9mph - Average wind speed in February:
10.1mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
7mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity
Percival, IA
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (66%).
Average rainfall
Percival, IA
- Average rainfall in January:
0.79" - Average rainfall in February:
0.67" - Average rainfall in March:
1.5" - Average rainfall in April:
2.13" - Average rainfall in May:
4.17" - Average rainfall in June:
4.29"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.91" - Average rainfall in September:
2.32" - Average rainfall in October:
2.72" - Average rainfall in November:
1.02" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days
Percival, IA
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
3.6 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
6.3 days - Average rainfall days in December:
5.6 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall
Percival, IA
The month with the highest snowfall is January (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Percival, IA
- Average snowfall days in January:
7.8 days - Average snowfall days in February:
7.4 days - Average snowfall days in March:
3.2 days - Average snowfall days in April:
0.9 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:
0.8 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
5.1 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Percival, IA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 54min - Average sunshine in February:
5h and 42min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 6min - Average sunshine in October:
6h and 12min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days
Percival, IA
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
17.6 days - Average sunshine days in March:
16.9 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
14 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
21.3 days - Average sunshine days in December:
20.2 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is June (11.7 days).
Average UV index
Percival, IA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Percival, IA
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility
Percival, 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).





