Climate and monthly weather forecast
Yarmouth, IA

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Weather in January

January, the same as December, in Yarmouth, Iowa, is another subzero cold winter month, with temperature in the range of an average low of 17.4°F (-8.1°C) and an average high of 29.7°F (-1.3°C). Yarmouth experiences its lowest temperatures in January, with an average peak of 29.7°F (-1.3°C) and a low of 17.4°F (-8.1°C). Weather in January »

Weather in February

The last month of the winter, February, is an icy month in Yarmouth, Iowa, with an average temperature varying between 21°F (-6.1°C) and 34.3°F (1.3°C). As Yarmouth steps into February, the average high-temperature is measured at an icy 34.3°F (1.3°C), displaying minor differences from January's 29.7°F (-1.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Yarmouth, Iowa, with an average temperature varying between 48°F (8.9°C) and 33.4°F (0.8°C). March's arrival signals an increase in average high-temperatures, moving from February's wintry 34.3°F (1.3°C) to a chilly 48°F (8.9°C). Weather in March »

Weather in April

April in Yarmouth, Iowa, is a mild spring month, with an average temperature ranging between min 43.7°F (6.5°C) and max 60.4°F (15.8°C). Yarmouth's April weather brings a rise in high-temperatures, moving from a chilly 48°F (8.9°C) in March to a refreshing 60.4°F (15.8°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Yarmouth, Iowa, with an average temperature fluctuating between 70.9°F (21.6°C) and 54°F (12.2°C). In May, the meteorological conditions change with the average high-temperature moving from a moderate 60.4°F (15.8°C) in April to an agreeable 70.9°F (21.6°C). Weather in May »

Weather in June

June, the first month of the summer in Yarmouth, is a moderately hot month, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63.7°F (17.6°C). As June begins, there is an increase in the average high-temperature, moving from an agreeable 70.9°F (21.6°C) in May to a warm 79.9°F (26.6°C). Weather in June »

Weather in July

July, like June, in Yarmouth, Iowa, is a moderately hot summer month, with temperature in the range of an average high of 82.4°F (28°C) and an average low of 65.5°F (18.6°C). July stands out as Yarmouth's warmest month, with an average high-temperature of 82.4°F (28°C) and a low-temperature of 65.5°F (18.6°C). In July, the average heat index is computed to be a hot 91.4°F (33°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Yarmouth, Iowa, with an average temperature varying between 63.3°F (17.4°C) and 81.7°F (27.6°C). Yarmouth's shift into August is marked by a subtle change to a still warm 81.7°F (27.6°C) from July's 82.4°F (28°C) in temperature. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Yarmouth, Iowa, with an average temperature varying between 56.7°F (13.7°C) and 76.1°F (24.5°C). As September commences, the average high-temperature subtly reduces, transitioning from 81.7°F (27.6°C) in August to a still moderately hot 76.1°F (24.5°C). Weather in September »

Weather in October

October, like September, in Yarmouth, Iowa, is another comfortable autumn month, with an average temperature fluctuating between 61.7°F (16.5°C) and 45.9°F (7.7°C). The changeover to October signals a significant decrease in the average high-temperature, dropping from a moderately hot 76.1°F (24.5°C) in September to a comfortable 61.7°F (16.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Yarmouth, Iowa, with an average temperature ranging between min 34.2°F (1.2°C) and max 47.8°F (8.8°C). November's arrival correlates with a reduction in the average high-temperature, down from an enjoyable 61.7°F (16.5°C) in October to a frosty 47.8°F (8.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Yarmouth, Iowa, with an average temperature varying between 35.8°F (2.1°C) and 24.6°F (-4.1°C). The arrival of December signals a shift in temperature, down from a chilly 47.8°F (8.8°C) in November to a wintry 35.8°F (2.1°C). Weather in December »
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The coldest month in Yarmouth, Iowa, is January, with an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 17.4°F (-8.1°C).

How much does it rain?

In Yarmouth, during the entire year, the rain falls for 130.4 days and collects up to 21.81" (554mm) of precipitation.

When does it snow?

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

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 10 days and accumulates 3.03" (77mm) of snow.

How many days does it snow?

In Yarmouth, Iowa, during the entire year, snow falls for 32.5 days and aggregates up to 9.57" (243mm) of snow.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 4.2h of sunshine.

What is the month with the lowest UV index?

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

When is Daylight Saving Time (DST) in Yarmouth?

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.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 16.7 days and typically aggregates up to 3.23" (82mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

When are the longest days?

With an average of 15h and 6min of daylight, June has the longest days of the year.

What is the month with the highest UV index?

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

What is the hottest time of year?

Yarmouth's July weather, with an average high temperature of 82.4°F (28°C) and an average low temperature of 65.5°F (18.6°C), tends to be the warmest of the year.

What is the most humid month in Yarmouth?

July is the most humid month, with an average relative humidity of 83%.

What month has the most sunshine?

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

What is the least humid month in Yarmouth?

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

What is the driest month?

December is the month with the least rainfall. Rain falls for 6.5 days and accumulates 0.87" (22mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days in Yarmouth is December, with an average of 9h and 18min of daylight.

Average temperature
Yarmouth, IA

Average temperature - Yarmouth, IA

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure
Yarmouth, IA

Average pressure - Yarmouth, IA

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
Yarmouth, IA

Average wind speed - Yarmouth, IA

The windiest months (with the highest average wind speed) are January, February, March and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity
Yarmouth, IA

Average humidity - Yarmouth, IA

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).

Average rainfall
Yarmouth, IA

Average rainfall - Yarmouth, IA

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.87").

Average rainfall days
Yarmouth, IA

Average rainfall days - Yarmouth, IA

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (4.7 days).

Average snowfall
Yarmouth, IA

Average snowfall - Yarmouth, IA

The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Yarmouth, IA

Average snowfall days - Yarmouth, IA

The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Yarmouth, IA

Average daylight / Average sunshine - Yarmouth, IA

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).

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 12min).

Average sunshine days
Yarmouth, IA

Average sunshine days - Yarmouth, IA

The months with the most sunshine days are October and December (18.5 days).
The month with the least sunshine days is June (10.5 days).

Average visibility
Yarmouth, IA

Average visibility - Yarmouth, 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).

Yarmouth, Iowa, USA

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