Climate and monthly weather forecast
Newton, IA

Weather in January

January, the same as December, in Newton, Iowa, is a freezing cold winter month, with temperature in the range of an average high of 27.1°F (-2.7°C) and an average low of 14.4°F (-9.8°C). With an average high-temperature of 27.1°F (-2.7°C) and an average low-temperature of 14.4°F (-9.8°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Newton, is another freezing cold month, with average temperature fluctuating between 17.4°F (-8.1°C) and 31.5°F (-0.3°C). In February, the average high-temperature is almost the same as in January - a still freezing cold 31.5°F (-0.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Newton, Iowa, with average temperature fluctuating between 31.5°F (-0.3°C) and 46.4°F (8°C). In March, the average high-temperature soars, from a subzero cold 31.5°F (-0.3°C) in February, to a chilly 46.4°F (8°C). Weather in March »

Weather in April

April in Newton, Iowa, is a moderate spring month, with average temperature fluctuating between 41.9°F (5.5°C) and 58.8°F (14.9°C). In Newton, the average high-temperature rises, from a frosty 46.4°F (8°C) in March, to a moderate 58.8°F (14.9°C). Weather in April »

Weather in May

May, the last month of the spring, in Newton, is a pleasant month, with average temperature fluctuating between 69.3°F (20.7°C) and 52.5°F (11.4°C). In Newton, the average high-temperature increases, from a mild 58.8°F (14.9°C) in April, to a pleasant 69.3°F (20.7°C). Weather in May »

Weather in June

June, the first month of the summer, in Newton, is a moderately hot month, with average temperature fluctuating between 62.4°F (16.9°C) and 79.3°F (26.3°C). In June, the average high-temperature increases, from a pleasant 69.3°F (20.7°C) in May, to a moderately hot 79.3°F (26.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Newton, Iowa, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 64.8°F (18.2°C). With an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 64.8°F (18.2°C), July is the warmest month. In July, the average heat index is appraised at a hot 88.3°F (31.3°C). Weather in July »

Weather in August

August, the last month of the summer, in Newton, is another warm month, with average temperature fluctuating between 62.2°F (16.8°C) and 80.6°F (27°C). In August, the average high-temperature is practically the same as in July - a still moderately hot 80.6°F (27°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Newton, Iowa, with average temperature varying between 55.8°F (13.2°C) and 74.7°F (23.7°C). In September, the average high-temperature marginally drops, from 80.6°F (27°C) in August, to a still warm 74.7°F (23.7°C). Weather in September »

Weather in October

October, the same as September, in Newton, Iowa, is another mild autumn month, 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 declines considerably, from a moderately hot 74.7°F (23.7°C) in September, to a mild 59.9°F (15.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in Newton, is also a frosty month, with average temperature varying between 32.4°F (0.2°C) and 46.9°F (8.3°C). In Newton, the average high-temperature in November decreases, from a mild 59.9°F (15.5°C) in October, to a frosty 46.9°F (8.3°C). Weather in November »

Weather in December

December, the first month of the winter, in Newton, is still a cold month, with average temperature fluctuating between 22.1°F (-5.5°C) and 33.8°F (1°C). In December, the average high-temperature drops, from a frosty 46.9°F (8.3°C) in November, to a wintry 33.8°F (1°C). Weather in December »
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FAQ

What is the coldest month in Newton?

The coldest month in Newton, Iowa, is January, with an average high-temperature of 27.1°F (-2.7°C) and an average low-temperature of 14.4°F (-9.8°C).

What is the most humid month in Newton?

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

What is the driest month in Newton?

January, February and December are months with the least rain in Newton when the rain falls for 3.8 days and typically aggregates up to 0.39" (10mm) of rain.

How many days does it rain in Newton?

In Newton, during the entire year, the rain falls for 106.7 days and collects up to 11.77" (299mm) of precipitation.

When does it snow in Newton?

January through May, October through December are months with snowfall in Newton, Iowa.

When does it snow the most in Newton?

January is the month with the most snowfall. Snow falls for 8.4 days and accumulates 1.73" (44mm) of snow.

How many days does it snow in Newton?

In Newton, Iowa, during the entire year, snow falls for 28.8 days, and aggregates up to 5.28" (134mm) of snow.

What is the month with the least sunshine in Newton?

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

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

Months with the lowest UV index in Newton, Iowa, are January and December, with an average maximum UV index of 1.

What is the rainiest month in Newton?

The month with the most rainfall in Newton, Iowa, is May when the rain falls for 14.7 days and typically aggregates up to 2.13" (54mm) of precipitation.

When it does not snow in Newton?

June through September are months without snowfall in Newton.

When are the longest days in Newton?

The month with the longest days in Newton, Iowa, is June, with an average of 15.2h of daylight.

When is the highest UV index in Newton?

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

What is the warmest month in Newton?

July is the warmest month, with an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 64.8°F (18.2°C).

What month has the most sunshine in Newton?

July has the most sunshine of the year, with an average of 10.3h of sunshine.

What is the least humid month in Newton?

With an average relative humidity of 71%, October is the least humid month in Newton.

What is the month with the shortest days in Newton?

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

Average pressure
Newton, IA

Average pressure - Newton, IA

The month with the highest atmospheric pressure is January (1021.1mbar).
The month with the lowest atmospheric pressure is June (1012.2mbar).

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Average wind speed
Newton, IA

Average wind speed - Newton, IA

The windiest month (with the highest average wind speed) is April (17km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).

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Average rainfall
Newton, IA

Average rainfall - Newton, IA

The wettest month (with the highest rainfall) is May (54mm).
The driest months (with the least rainfall) are January, February and December (10mm).

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Average rainfall days
Newton, IA

Average rainfall days - Newton, IA

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall
Newton, IA

Average snowfall - Newton, IA

The month with the highest snowfall is January (44mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days
Newton, IA

Average snowfall days - Newton, IA

The month with the highest number of snowfall days is January (8.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Newton, IA

Average daylight / Average sunshine - Newton, 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: 10.3h).
The month with the least sunshine is January (Average sunshine: 4.2h).

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Average sunshine days
Newton, IA

Average sunshine days - Newton, IA

The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.2 days).

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