Climate and monthly weather forecastAfton, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Afton, Iowa, is another subzero cold winter month, with an average temperature fluctuating between 15.8°F (-9°C) and 29.1°F (-1.6°C). January is the month when Afton experiences its coldest temperatures, averaging a high of 29.1°F (-1.6°C) and a low of 15.8°F (-9°C). Weather in January »Weather in February
February, the last month of the winter in Afton, is a cold month, with temperature in the range of an average low of 18.9°F (-7.3°C) and an average high of 33.3°F (0.7°C). February brings an average high-temperature of a cold 33.3°F (0.7°C), nearly identical to the preceding month. Weather in February »Weather in March
March, the first month of the spring in Afton, is a chilly month, with an average temperature varying between 32.5°F (0.3°C) and 48.2°F (9°C). March's arrival signals a significant increase in average high-temperatures, soaring from February's wintry 33.3°F (0.7°C) to a chilly 48.2°F (9°C). Weather in March »Weather in April
April in Afton, Iowa, is a moderate spring month, with temperature in the range of an average low of 42.3°F (5.7°C) and an average high of 59.7°F (15.4°C). As April begins, there is an increase in the average high-temperature, moving from a chilly 48.2°F (9°C) in March to a refreshing 59.7°F (15.4°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Afton, Iowa, with an average temperature fluctuating between 69.3°F (20.7°C) and 52.7°F (11.5°C). Afton sees an increase in the average high-temperature with the arrival of May, moving from April's mild 59.7°F (15.4°C) to a pleasant 69.3°F (20.7°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Afton, Iowa, with an average temperature fluctuating between 63.1°F (17.3°C) and 79.5°F (26.4°C). Afton in June sees a temperature change, with average high-temperatures moving from an agreeable 69.3°F (20.7°C) in May to a moderately hot 79.5°F (26.4°C). Weather in June »Weather in July
July, like June, in Afton, Iowa, is a moderately hot summer month, with an average temperature varying between 65.8°F (18.8°C) and 82.9°F (28.3°C). The average temperatures reach their apex in July, averaging 82.9°F (28.3°C) at the high end and 65.8°F (18.8°C) at the low end. July's 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 Afton, is another warm month, with an average temperature ranging between max 81°F (27.2°C) and min 63°F (17.2°C). On the advent of August, Afton's average high-temperature exhibits a minor adjustment to a still warm 81°F (27.2°C) from July's 82.9°F (28.3°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Afton, Iowa, with temperature in the range of an average low of 56.1°F (13.4°C) and an average high of 75°F (23.9°C). September's onset brings a negligible change in high-temperatures, falling from 81°F (27.2°C) in August to a still moderately hot 75°F (23.9°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Afton, Iowa, with an average temperature varying between 60.6°F (15.9°C) and 44.1°F (6.7°C). In Afton, the beginning of October is marked by a lowered average high-temperature, shifting from September's warm 75°F (23.9°C) to a moderate 60.6°F (15.9°C). Weather in October »Weather in November
November, the last month of the autumn in Afton, is another chilly month, with an average temperature ranging between min 32.5°F (0.3°C) and max 47.3°F (8.5°C). The transition into November involves a decrease in the average high-temperature, falling from a refreshing 60.6°F (15.9°C) in October to a chilly 47.3°F (8.5°C). Weather in November »Weather in December
December, the first month of the winter in Afton, is still a cold month, with an average temperature fluctuating between 22.3°F (-5.4°C) and 34.3°F (1.3°C). Afton experiences a temperature shift at the start of December, with average high-temperatures adjusting from a frosty 47.3°F (8.5°C) in November to a wintry 34.3°F (1.3°C). Weather in December »Updated: Jul 22, 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
Afton reaches its average lowest temperatures in January, measuring 29.1°F (-1.6°C) at the peak and 15.8°F (-9°C) at the lowest.
January and June, with an average relative humidity of 82%, are most humid months.
January is the month with the least rainfall. Rain falls for 3.7 days and accumulates 0.75" (19mm) of precipitation.
In Afton, during the entire year, the rain falls for 127.7 days and collects up to 23.39" (594mm) of precipitation.
January through May, October through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 8.7 days and accumulates 3.15" (80mm) of snow.
Throughout the year, there are 32.6 snowfall days, and 12.01" (305mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 4.4h of sunshine.
With an average maximum UV index of 1, January is the month with the lowest UV index.
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.
The month with the most rainfall in Afton is June, when the rain falls for 17 days and typically aggregates up to 4.17" (106mm) of precipitation.
In Afton, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 6min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
Afton experiences its average highest temperatures in July, reaching a peak of 82.9°F (28.3°C) and a minimum of 65.8°F (18.8°C).
With an average of 10.1h of sunshine, July has the most sunshine of the year.
The least humid month in Afton is October, with an average relative humidity of 71%.
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Afton, IA
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (29.1°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure
Afton, 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:
29.88"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:
30.13"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
Afton, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.9mph - Average wind speed in June:
8.2mph
- 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:
10.6mph - Average wind speed in December:
10.3mph
The windiest months (with the highest average wind speed) are January and February (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity
Afton, IA
The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Afton, IA
- Average rainfall in January:
0.75" - Average rainfall in February:
0.79" - Average rainfall in March:
1.42" - Average rainfall in April:
2.13" - Average rainfall in May:
3.62" - Average rainfall in June:
4.17"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.44" - Average rainfall in September:
2.2" - Average rainfall in October:
1.69" - Average rainfall in November:
1.06" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days
Afton, IA
- Average rainfall days in January:
3.7 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
5 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (3.7 days).
Average snowfall
Afton, IA
- Average snowfall in January:
3.15" - Average snowfall in February:
2.83" - Average snowfall in March:
1.69" - Average snowfall in April:
1.18" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Afton, IA
- Average snowfall days in January:
8.7 days - Average snowfall days in February:
8 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
1.6 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:
0.8 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Afton, IA
- Average daylight in January:
9h and 36min - 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 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - 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 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 42min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 48min
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 24min).
Average sunshine days
Afton, IA
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
13.9 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (10.7 days).
Average UV index
Afton, 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
Afton, IA
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility
Afton, 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).
