Climate and monthly weather forecast
Ashton, IA

Weather in January

January, like December, is a freezing cold winter month in Ashton, Iowa, with an average temperature fluctuating between 9.9°F (-12.3°C) and 23.4°F (-4.8°C). January is the coldest month, with an average high-temperature of 23.4°F (-4.8°C) and an average low-temperature of 9.9°F (-12.3°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Ashton, Iowa, with an average temperature varying between 26.8°F (-2.9°C) and 13.6°F (-10.2°C). In Ashton, the average high-temperature in February is practically the same as in January - a still freezing cold 26.8°F (-2.9°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Ashton, Iowa, with an average temperature ranging between min 28.6°F (-1.9°C) and max 43.2°F (6.2°C). In March, the average high-temperature increases considerably from a freezing cold 26.8°F (-2.9°C) in February to a chilly 43.2°F (6.2°C). Weather in March »

Weather in April

April in Ashton, Iowa, is a moderate spring month, with an average temperature varying between 39.7°F (4.3°C) and 55.6°F (13.1°C). In Ashton, the average high-temperature in April rises from a frosty 43.2°F (6.2°C) in March to a mild 55.6°F (13.1°C). Weather in April »

Weather in May

May, the last month of the spring in Ashton, is an enjoyable month, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 51.4°F (10.8°C). In Ashton, the average high-temperature in May increases from a moderate 55.6°F (13.1°C) in April to a comfortable 67.8°F (19.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Ashton, Iowa, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 61°F (16.1°C). In Ashton, the average high-temperature in June rises from an enjoyable 67.8°F (19.9°C) in May to a warm 77.5°F (25.3°C). Weather in June »

Weather in July

July, like June, in Ashton, Iowa, is a moderately hot summer month, with an average temperature ranging between min 63.1°F (17.3°C) and max 81.5°F (27.5°C). July is the warmest month, with an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 63.1°F (17.3°C). In July, the average heat index is appraised at a hot 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Ashton, is also a moderately hot month, with an average temperature fluctuating between 59.5°F (15.3°C) and 79.3°F (26.3°C). In August, the average high-temperature is essentially the same as in July - a still warm 79.3°F (26.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Ashton, is also a moderately hot month, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 73.6°F (23.1°C). In September, the average high-temperature marginally drops from 79.3°F (26.3°C) in August to a still warm 73.6°F (23.1°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Ashton, Iowa, with an average temperature fluctuating between 57.6°F (14.2°C) and 41.9°F (5.5°C). In October, the average high-temperature plummets from a moderately hot 73.6°F (23.1°C) in September to a mild 57.6°F (14.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Ashton, is also a frosty month, with an average temperature varying between 43.3°F (6.3°C) and 29.8°F (-1.2°C). In November, the average high-temperature drops from a mild 57.6°F (14.2°C) in October to a chilly 43.3°F (6.3°C). Weather in November »

Weather in December

December, the first month of the winter in Ashton, is also a subzero cold month, with temperature in the range of an average high of 27.5°F (-2.5°C) and an average low of 16.3°F (-8.7°C). In Ashton, the average high-temperature in December declines considerably from a chilly 43.3°F (6.3°C) in November to a freezing cold 27.5°F (-2.5°C). Weather in December »
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FAQ

What is the coldest month in Ashton?

January is the coldest month in Ashton, with an average high-temperature of 23.4°F (-4.8°C) and an average low-temperature of 9.9°F (-12.3°C).

What is the most humid month in Ashton?

With an average relative humidity of 88%, January is the most humid month in Ashton, Iowa.

What is the driest month in Ashton?

The month with the least rainfall in Ashton, Iowa, is January, when the rain falls for 3.8 days and typically collects 0.71" (18mm) of precipitation.

How much does it rain in Ashton?

Throughout the year, there are 128.1 rainfall days, and 24.17" (614mm) of precipitation is accumulated.

When does it snow in Ashton?

Months with snowfall in Ashton, Iowa, are January through May, October through December.

How much does it snow in Ashton?

In Ashton, Iowa, during the entire year, snow falls for 48.8 days and aggregates up to 19.21" (488mm) of snow.

What is the month with the least sunshine in Ashton?

With an average of 4.1h of sunshine, January has the least sunshine of the year in Ashton, Iowa.

What is the month with the lowest UV index in Ashton?

January and February, with an average maximum UV index of 1, are months with the lowest UV index in Ashton, Iowa.

When does it snow the most in Ashton?

February is the month with the most snowfall in Ashton. Snow falls for 9.6 days and accumulates 4.76" (121mm) of snow.

When is Daylight Saving Time (DST) in Ashton?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Ashton, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month in Ashton?

June is the month with the most rainfall. Rain falls for 17.8 days and accumulates 3.86" (98mm) of precipitation.

When it does not snow in Ashton?

In Ashton, Iowa, snow does not fall in June through September.

When are the longest days in Ashton?

The month with the longest days in Ashton, Iowa, is June, with an average of 15h and 21min of daylight.

What is the month with the highest UV index in Ashton?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month in Ashton?

With an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 63.1°F (17.3°C), July is the warmest month.

What month has the most sunshine in Ashton?

The month with the most sunshine is July, with an average of 10.4h of sunshine.

What is the least humid month in Ashton?

With an average relative humidity of 68%, October is the least humid month.

What is the month with the shortest days in Ashton?

December has the shortest days of the year in Ashton, with an average of 9h and 2min of daylight.

Average temperature
Ashton, IA

Average temperature - Ashton, IA

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (23.4°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

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Average pressure
Ashton, IA

Average pressure - Ashton, IA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed
Ashton, IA

Average wind speed - Ashton, IA

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

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Average rainfall
Ashton, IA

Average rainfall - Ashton, IA

The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days
Ashton, IA

Average rainfall days - Ashton, IA

The months with the highest number of rainy days are May and June (17.8 days).
The month with the least rainy days is February (2.6 days).

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Average snowfall
Ashton, IA

Average snowfall - Ashton, IA

The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Ashton, IA

Average snowfall days - Ashton, IA

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Ashton, IA

Average daylight / Average sunshine - Ashton, IA

The month with the longest days is June (Average daylight: 15h and 21min).
The month with the shortest days is December (Average daylight: 9h and 2min).

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 6min).

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Average sunshine days
Ashton, IA

Average sunshine days - Ashton, IA

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (9.6 days).

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Average visibility
Ashton, IA

Average visibility - Ashton, IA

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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