Climate and monthly weather forecast
Keokuk, IA

Weather in January

January, the same as December, in Keokuk, Iowa, is a freezing cold winter month, with temperature in the range of an average low of 19.2°F (-7.1°C) and an average high of 31.6°F (-0.2°C). With an average high-temperature of 31.6°F (-0.2°C) and an average low-temperature of 19.2°F (-7.1°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Keokuk, is a wintry month, with temperature in the range of an average low of 22.8°F (-5.1°C) and an average high of 36.3°F (2.4°C). In February, the average high-temperature is practically the same as in January - a wintry 36.3°F (2.4°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Keokuk, Iowa, with average temperature fluctuating between 50°F (10°C) and 35.1°F (1.7°C). In March, the average high-temperature rises, from a cold 36.3°F (2.4°C) in February, to a fresh 50°F (10°C). Weather in March »

Weather in April

April is a comfortable spring month in Keokuk, Iowa, with average temperature fluctuating between 62.2°F (16.8°C) and 44.2°F (6.8°C). In April, the average high-temperature rises, from a fresh 50°F (10°C) in March, to an enjoyable 62.2°F (16.8°C). Weather in April »

Weather in May

May, the last month of the spring, in Keokuk, is a pleasant month, with average temperature fluctuating between 55°F (12.8°C) and 71.6°F (22°C). In Keokuk, the average high-temperature rises, from an enjoyable 62.2°F (16.8°C) in April, to a pleasant 71.6°F (22°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Keokuk, Iowa, with average temperature varying between 81°F (27.2°C) and 63.9°F (17.7°C). In June, the average high-temperature increases, from a pleasant 71.6°F (22°C) in May, to a moderately hot 81°F (27.2°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Keokuk, Iowa, with average temperature fluctuating between 83.7°F (28.7°C) and 66.6°F (19.2°C). July is the warmest month, with an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 66.6°F (19.2°C). In July, the average heat index is evaluated at a tropical 93.4°F (34.1°C). Weather in July »

Weather in August

August, the last month of the summer, in Keokuk, is another warm month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 82.9°F (28.3°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 82.9°F (28.3°C). Weather in August »

Weather in September

September, the first month of the autumn, in Keokuk, is still a warm month, with average temperature fluctuating between 57.7°F (14.3°C) and 77.5°F (25.3°C). In September, the average high-temperature marginally drops, from a moderately hot 82.9°F (28.3°C) in August, to a still warm 77.5°F (25.3°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Keokuk, Iowa, with average temperature varying between 63.3°F (17.4°C) and 46.2°F (7.9°C). In October, the average high-temperature decreases, from a moderately hot 77.5°F (25.3°C) in September, to a comfortable 63.3°F (17.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Keokuk, Iowa, with average temperature fluctuating between 35.2°F (1.8°C) and 49.5°F (9.7°C). In November, the average high-temperature decreases, from a comfortable 63.3°F (17.4°C) in October, to a frosty 49.5°F (9.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Keokuk, Iowa, with temperature in the range of an average high of 37.6°F (3.1°C) and an average low of 25.9°F (-3.4°C). In December, the average high-temperature decreases, from a frosty 49.5°F (9.7°C) in November, to a cold 37.6°F (3.1°C). Weather in December »
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FAQ

What is the coldest month in Keokuk?

With an average high-temperature of 31.6°F (-0.2°C) and an average low-temperature of 19.2°F (-7.1°C), January is the coldest month.

What is the driest month in Keokuk?

January is the month with the least rainfall. Rain falls for 5.8 days and accumulates 1.34" (34mm) of precipitation.

How many days does it rain in Keokuk?

In Keokuk, during the entire year, the rain falls for 140.6 days and collects up to 27.72" (704mm) of precipitation.

When does it snow in Keokuk?

Months with snowfall are January through April, October through December.

When does it snow the most in Keokuk?

The month with the most snowfall is January when snow falls for 9.8 days and typically aggregates up to 3.94" (100mm) of snow.

How much does it snow in Keokuk?

In Keokuk, Iowa, during the entire year, snow falls for 29.4 days, and aggregates up to 11.3" (287mm) of snow.

What is the month with the least sunshine in Keokuk?

With an average of 4.3h of sunshine, January has the least sunshine of the year.

What are the months with the lowest UV index in Keokuk?

Months with the lowest UV index in Keokuk, Iowa, are January, February, November and December, with an average maximum UV index of 2.

What is the rainiest month in Keokuk?

May is the month with the most rainfall in Keokuk. Rain falls for 17.3 days and accumulates 3.9" (99mm) of precipitation.

When it does not snow in Keokuk?

In Keokuk, Iowa, snow does not fall in May through September.

What is the most humid month in Keokuk?

Months with the highest humidity are June and July, with an average relative humidity of 81%.

When are the longest days in Keokuk?

With an average of 15h of daylight, June has the longest days of the year in Keokuk, Iowa.

When is the highest UV index in Keokuk?

Months with the highest UV index in Keokuk, Iowa, are June through August, with an average maximum UV index of 6.

What is the warmest month in Keokuk?

July is the warmest month, with an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 66.6°F (19.2°C).

What month has the most sunshine in Keokuk?

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

What is the least humid month in Keokuk?

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

What is the month with the shortest days in Keokuk?

The month with the shortest days in Keokuk, Iowa, is December, with an average of 9.3h of daylight.

Average pressure
Keokuk, IA

Average pressure - Keokuk, IA

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed
Keokuk, IA

Average wind speed - Keokuk, IA

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average rainfall
Keokuk, IA

Average rainfall - Keokuk, IA

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.34").

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Average rainfall days
Keokuk, IA

Average rainfall days - Keokuk, IA

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall
Keokuk, IA

Average snowfall - Keokuk, IA

The month with the highest snowfall is January (3.94").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Keokuk, IA

Average snowfall days - Keokuk, IA

The month with the highest number of snowfall days is January (9.8 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Keokuk, IA

Average daylight / Average sunshine - Keokuk, IA

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.3h).

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Average sunshine days
Keokuk, IA

Average sunshine days - Keokuk, IA

The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index
Keokuk, IA

Average UV index - Keokuk, IA

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Keokuk, IA

Average visibility - Keokuk, IA

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

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