Monthly weather forecast and climate
Ames, IA

Weather in January

January, like December, is another subzero cold winter month in Ames, Iowa, with temperature in the range of an average low of 13.5°F (-10.3°C) and an average high of 26.6°F (-3°C). January is the coldest month, with an average high-temperature of 26.6°F (-3°C) and an average low-temperature of 13.5°F (-10.3°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Ames, Iowa, with average temperature varying between 17.1°F (-8.3°C) and 30.6°F (-0.8°C). In February, the average high-temperature is practically the same as in January - a still freezing cold 30.6°F (-0.8°C). Weather in February »

Weather in March

March, the first month of the spring, in Ames, is a frosty month, with average temperature ranging between min 31.1°F (-0.5°C) and max 45.7°F (7.6°C). In Ames, the average high-temperature in March significantly increases, from a subzero cold 30.6°F (-0.8°C) in February, to a chilly 45.7°F (7.6°C). Weather in March »

Weather in April

April in Ames, Iowa, is a mild spring month, with average temperature fluctuating between 58.5°F (14.7°C) and 41.7°F (5.4°C). In April, the average high-temperature rises, from a frosty 45.7°F (7.6°C) in March, to a mild 58.5°F (14.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Ames, Iowa, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 69.3°F (20.7°C). In Ames, the average high-temperature in May increases, from a moderate 58.5°F (14.7°C) in April, to an agreeable 69.3°F (20.7°C). Weather in May »

Weather in June

June, the first month of the summer, in Ames, is a moderately hot month, with average temperature ranging between max 79.2°F (26.2°C) and min 62.2°F (16.8°C). In Ames, the average high-temperature increases, from an agreeable 69.3°F (20.7°C) in May, to a warm 79.2°F (26.2°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Ames, Iowa, with average temperature varying between 64.6°F (18.1°C) and 81.3°F (27.4°C). The warmest month is July, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 64.6°F (18.1°C). In July, the average heat index is computed to be a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer, in Ames, is another warm month, with average temperature ranging between min 61.9°F (16.6°C) and max 79.9°F (26.6°C). In Ames, the average high-temperature is relatively the same as in July - a still moderately hot 79.9°F (26.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Ames, Iowa, with average temperature varying between 74.8°F (23.8°C) and 55.8°F (13.2°C). In September, the average high-temperature is relatively the same as in August - a still warm 74.8°F (23.8°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Ames, Iowa, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 59.9°F (15.5°C). In October, the average high-temperature significantly decreases, from a warm 74.8°F (23.8°C) in September, to a moderate 59.9°F (15.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in Ames, is also a frosty month, with average temperature varying between 32°F (0°C) and 45.9°F (7.7°C). In Ames, Iowa, the average high-temperature drops, from a moderate 59.9°F (15.5°C) in October, to a frosty 45.9°F (7.7°C). Weather in November »

Weather in December

December, the first month of the winter, in Ames, is also a wintry month, with average temperature fluctuating between 21.4°F (-5.9°C) and 32.5°F (0.3°C). In December, the average high-temperature drops, from a frosty 45.9°F (7.7°C) in November, to a cold 32.5°F (0.3°C). Weather in December »
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FAQ

What is the coldest month in Ames?

January is the coldest month, with an average high-temperature of 26.6°F (-3°C) and an average low-temperature of 13.5°F (-10.3°C).

What is the most humid month in Ames?

The most humid month in Ames, Iowa, is January, with an average relative humidity of 84%.

What is the driest month in Ames?

The month with the least rainfall in Ames is January when the rain falls for 4 days and typically collects 0.94" (24mm) of precipitation.

How many days does it rain in Ames?

In Ames, Iowa, during the entire year, the rain falls for 130.6 days and collects up to 27.48" (698mm) of precipitation.

When does it snow in Ames?

January through May, October through December are months with snowfall.

What is the snowiest month in Ames?

January is the month with the most snowfall in Ames. Snow falls for 9.1 days and accumulates 4.06" (103mm) of snow.

How much does it snow in Ames?

In Ames, Iowa, during the entire year, snow falls for 36.2 days, and aggregates up to 15.43" (392mm) of snow.

What is the month with the least sunshine in Ames?

January has the least sunshine of the year in Ames, with an average of 3.9h of sunshine.

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

January is the month with the lowest UV index in Ames, with an average maximum UV index of 1.

What is the wettest month in Ames?

May is the month with the most rainfall. Rain falls for 17.2 days and accumulates 4.09" (104mm) of precipitation.

When it does not snow in Ames?

June through September are months without snowfall in Ames, Iowa.

When are the longest days in Ames?

June has the longest days of the year in Ames, Iowa, with an average of 15.2h of daylight.

What are the months with the highest UV index in Ames?

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

What is the warmest month in Ames?

The warmest month in Ames, Iowa, is July, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 64.6°F (18.1°C).

What month has the most sunshine in Ames?

July has the most sunshine of the year in Ames, Iowa, with an average of 10.1h of sunshine.

What is the least humid month in Ames?

The least humid month is October, with an average relative humidity of 70%.

What is the month with the shortest days in Ames?

With an average of 9.2h of daylight, December has the shortest days of the year in Ames.

Average temperature
Ames, IA

Average temperature - Ames, IA

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (26.6°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 (13.5°F).

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Average pressure
Ames, IA

Average pressure - Ames, IA

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed
Ames, IA

Average wind speed - Ames, IA

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 (7.1mph).

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Average rainfall
Ames, IA

Average rainfall - Ames, IA

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days
Ames, IA

Average rainfall days - Ames, IA

The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (3.3 days).

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Average snowfall
Ames, IA

Average snowfall - Ames, IA

The month with the highest snowfall is January (4.06").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Ames, IA

Average snowfall days - Ames, IA

The month with the highest number of snowfall days is January (9.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Ames, IA

Average daylight / Average sunshine - Ames, IA

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 3.9h).

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Average sunshine days
Ames, IA

Average sunshine days - Ames, IA

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (10.4 days).

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Average visibility
Ames, IA

Average visibility - Ames, IA

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

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