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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
Climate and monthly weather forecast
Weather in January
January, the same as December, in Wilton, Iowa, is a freezing cold winter month, with an average temperature varying between 27.7°F (-2.4°C) and 15.3°F (-9.3°C). January brings the lowest temperatures, with an average high of 27.7°F (-2.4°C) and an average low of 15.3°F (-9.3°C). Weather in January »
Weather in February
February, the last month of the winter in Wilton, is a wintry month, with temperature in the range of an average low of 19.4°F (-7°C) and an average high of 32.4°F (0.2°C). With the arrival of February, Wilton's average high-temperature registers at a cold 32.4°F (0.2°C), indicating a subtle variation from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Wilton, is a frosty month, with an average temperature varying between 31.8°F (-0.1°C) and 46.6°F (8.1°C). March's arrival brings a change in high-temperatures, moving from an icy 32.4°F (0.2°C) in February to a chilly 46.6°F (8.1°C). Weather in March »
Weather in April
April is a mild spring month in Wilton, Iowa, with an average temperature ranging between max 58.6°F (14.8°C) and min 42.4°F (5.8°C). April's arrival sees a rise in the average high-temperature, jumping from March's chilly 46.6°F (8.1°C) to a refreshing 58.6°F (14.8°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Wilton, Iowa, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 69.8°F (21°C). May brings a temperature change, with average high-temperatures moving from April's refreshing 58.6°F (14.8°C) to an agreeable 69.8°F (21°C). Weather in May »
Weather in June
June, the first month of the summer in Wilton, is a moderately hot month, with an average temperature ranging between max 78.8°F (26°C) and min 62.1°F (16.7°C). The start of June signals an increase in the average high-temperature, moving from a pleasant 69.8°F (21°C) in May to a warm 78.8°F (26°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Wilton, Iowa, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 64.6°F (18.1°C). With an average high-temperature of 81°F (27.2°C) and an average low-temperature of 64.6°F (18.1°C), July is the warmest month. The heat index value during July is evaluated at a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Wilton, Iowa, with an average temperature ranging between max 80.4°F (26.9°C) and min 62.4°F (16.9°C). The weather during August records an average high-temperature of a still moderately hot 80.4°F (26.9°C), closely mirroring the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Wilton, Iowa, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 75.2°F (24°C). The onset of September marks an average high-temperature of a still moderately hot 75.2°F (24°C), hardly differing from August's 80.4°F (26.9°C). Weather in September »
Weather in October
October, like September, in Wilton, Iowa, is another refreshing autumn month, with an average temperature ranging between max 61°F (16.1°C) and min 44.8°F (7.1°C). A shift in Wilton's weather is observed as September turns into October, with the average high temperature reducing from a moderately hot 75.2°F (24°C) to a refreshing 61°F (16.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Wilton, is another chilly month, with temperature in the range of an average high of 46.4°F (8°C) and an average low of 32.9°F (0.5°C). The shift from October to November sees a distinct decrease in the average high-temperature, dropping from a comfortable 61°F (16.1°C) to a chilly 46.4°F (8°C). Weather in November »
Weather in December
December, the first month of the winter in Wilton, is also an icy month, with temperature in the range of an average high of 34°F (1.1°C) and an average low of 23°F (-5°C). December brings a minor decrease, with the average high-temperature reducing from a chilly 46.4°F (8°C) in November to an icy 34°F (1.1°C). Weather in December »
Updated: Feb 12, 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 in Wilton?
The coldest temperatures in Wilton occur during January, when averages reach a peak of 27.7°F (-2.4°C) and a low of 15.3°F (-9.3°C).
How many days does it rain in Wilton?
Throughout the year, in Wilton, there are 136.1 rainfall days, and 27.8" (706mm) of precipitation is accumulated.
When does it snow in Wilton?
Months with snowfall are January through April, October through December.
What is the snowiest month in Wilton?
January is the month with the most snowfall. Snow falls for 11.2 days and accumulates 4.21" (107mm) of snow.
How much does it snow in Wilton?
Throughout the year, there are 34.4 snowfall days, and 13.19" (335mm) of snow is accumulated.
What is the month with the least sunshine in Wilton?
With an average of 4h of sunshine, January has the least sunshine of the year in Wilton.
What is the month with the lowest UV index in Wilton?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Wilton.
What is the driest month in Wilton?
February is the month with the least rainfall in Wilton, Iowa. Rain falls for 4.9 days and accumulates 1.14" (29mm) of precipitation.
When is Daylight Saving Time (DST) in Wilton?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Wilton, 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 wettest month in Wilton?
The month with the most rainfall in Wilton is May, when the rain falls for 17.3 days and typically aggregates up to 4.57" (116mm) of precipitation.
When it does not snow in Wilton?
In Wilton, snow does not fall in May through September.
When are the longest days in Wilton?
June has the longest days of the year in Wilton, with an average of 15h and 6min of daylight.
What are the warmest months in Wilton?
July, noted for its average high-temperature of 81°F (27.2°C) and an average low-temperature of 64.6°F (18.1°C), is considered the warmest month.
What is the most humid month in Wilton?
July is the most humid month in Wilton, Iowa, with an average relative humidity of 84%.
What month has the most sunshine in Wilton?
The month with the most sunshine in Wilton, Iowa, is July, with an average of 10.1h of sunshine.
What is the month with the highest UV index in Wilton?
The month with the highest UV index is July, with an average maximum UV index of 6.
What is the least humid month in Wilton?
The least humid month in Wilton is October, with an average relative humidity of 72%.
What is the month with the shortest days in Wilton?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
Wilton, IA
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.7°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 (15.3°F).
Average pressure
Wilton, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"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:
30.09"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
Wilton, 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:
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:
10.3mph - Average wind speed in December:
9.9mph
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 (6.8mph).
Average humidity
Wilton, IA
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Wilton, IA
- Average rainfall in January:
1.3" - Average rainfall in February:
1.14" - Average rainfall in March:
1.93" - Average rainfall in April:
2.99" - Average rainfall in May:
4.57" - Average rainfall in June:
3.66"
- Average rainfall in July:
2.72" - Average rainfall in August:
1.81" - Average rainfall in September:
2.2" - Average rainfall in October:
2.48" - Average rainfall in November:
1.73" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days
Wilton, IA
- Average rainfall days in January:
4.4 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
16 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
10.9 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
7.1 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.4 days).
Average snowfall
Wilton, IA
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Wilton, IA
- Average snowfall days in January:
11.2 days - Average snowfall days in February:
8.4 days - Average snowfall days in March:
4.3 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:
0.4 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
6.9 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Wilton, 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 1min
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 12min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
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 0min).
Average sunshine days
Wilton, IA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
14.2 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
18 days - Average sunshine days in November:
17.8 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (11.8 days).
Average UV index
Wilton, IA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Wilton, IA
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Wilton, 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).