Climate and monthly weather forecast
Marengo, IN

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Weather in January

January, the same as December, is a wintry winter month in Marengo, Indiana, with an average temperature varying between 37.4°F (3°C) and 24.4°F (-4.2°C). January proves to be the coldest month, recording an average maximum temperature of 37.4°F (3°C) and a minimum temperature of 24.4°F (-4.2°C). Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Marengo, Indiana, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 27.9°F (-2.3°C). February's presence records an average high-temperature of a still cold 42.3°F (5.7°C), closely mirroring January's climate. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Marengo, Indiana, with an average temperature varying between 52.9°F (11.6°C) and 36.9°F (2.7°C). March brings a rise in the average high-temperature, transitioning from February's cold 42.3°F (5.7°C) to a cool 52.9°F (11.6°C). Weather in March »

Weather in April

April is an enjoyable spring month in Marengo, Indiana, with an average temperature fluctuating between 46.2°F (7.9°C) and 64.8°F (18.2°C). Marengo's transition into April sees a rise in the average high-temperature, advancing from a fresh 52.9°F (11.6°C) in March to a refreshing 64.8°F (18.2°C). Weather in April »

Weather in May

May, the last month of the spring in Marengo, is a warm month, with an average temperature fluctuating between 55.9°F (13.3°C) and 74.7°F (23.7°C). Marengo, Indiana, sees an increase in average high-temperatures during May, moving from a refreshing 64.8°F (18.2°C) in April to a moderately hot 74.7°F (23.7°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Marengo, Indiana, with an average temperature fluctuating between 63.5°F (17.5°C) and 83.3°F (28.5°C). As Marengo transitions into June, the average high-temperature is observed to slightly rise from a warm 74.7°F (23.7°C) in May to a still moderately hot 83.3°F (28.5°C). Weather in June »

Weather in July

July is a tropical summer month in Marengo, Indiana, with temperature in the range of an average high of 86.4°F (30.2°C) and an average low of 66.2°F (19°C). Temperature records mark July as the warmest month, with highs averaging 86.4°F (30.2°C) and lows at 66.2°F (19°C). July's mean heat index is computed to be a very hot 100.4°F (38°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Marengo, Indiana, with an average temperature fluctuating between 85.1°F (29.5°C) and 64.6°F (18.1°C). Transitioning into August, Marengo records an average high-temperature of a moderately hot 85.1°F (29.5°C), almost identical to July's 86.4°F (30.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Marengo, Indiana, with an average temperature fluctuating between 59.4°F (15.2°C) and 79°F (26.1°C). In Marengo, entering September brings a subtle temperature decrement, reducing from August's 85.1°F (29.5°C) to a still warm 79°F (26.1°C). Weather in September »

Weather in October

October, like September, in Marengo, Indiana, is another comfortable autumn month, with an average temperature fluctuating between 47.3°F (8.5°C) and 65.7°F (18.7°C). In October, the average high-temperature goes from a warm 79°F (26.1°C) in September to a refreshing 65.7°F (18.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Marengo, is another cool month, with an average temperature ranging between max 52°F (11.1°C) and min 36.7°F (2.6°C). As October shifts into November, a slight alteration in temperatures is observed, with average highs reducing from an enjoyable 65.7°F (18.7°C) to a fresh 52°F (11.1°C). Weather in November »

Weather in December

December, the first month of the winter in Marengo, is still a chilly month, with an average temperature fluctuating between 42.8°F (6°C) and 30.9°F (-0.6°C). December's onset brings a slight change in high-temperatures, falling from a fresh 52°F (11.1°C) in November to a chilly 42.8°F (6°C). Weather in December »
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Frequently asked questions

What are the coldest months in Marengo?

Marengo records the coldest temperatures in January, averaging a high of 37.4°F (3°C) and a low of 24.4°F (-4.2°C).

How many days does it rain in Marengo?

Throughout the year, in Marengo, Indiana, there are 137.1 rainfall days, and 20.28" (515mm) of precipitation is accumulated.

When does it snow in Marengo?

Months with snowfall are January through April, November and December.

How many days does it snow in Marengo?

In Marengo, during the entire year, snow falls for 23.6 days and aggregates up to 3.46" (88mm) of snow.

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

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Marengo.

What is the most humid month in Marengo?

The months with the highest humidity in Marengo, Indiana, are February and December, with an average relative humidity of 81%.

What is the snowiest month in Marengo?

February is the month with the most snowfall in Marengo. Snow falls for 6.5 days and accumulates 0.98" (25mm) of snow.

When is Daylight Saving Time (DST) in Marengo?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Marengo?

In Marengo, snow does not fall in May through October.

When are the longest days in Marengo?

June has the longest days of the year in Marengo, Indiana, with an average of 14h and 48min of daylight.

What is the month with the most sunshine in Marengo?

June and July, with an average of 10h of sunshine, are months with the most sunshine in Marengo.

When is the highest UV index in Marengo?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Marengo, Indiana.

What part of the year is the hottest in Marengo?

Marengo's temperatures peak on average in July, reaching 86.4°F (30.2°C) at their highest and 66.2°F (19°C) at their lowest.

What is the wettest month in Marengo?

The month with the most rainfall in Marengo is July, when the rain falls for 15.2 days and typically aggregates up to 2.24" (57mm) of precipitation.

What is the driest month in Marengo?

The month with the least rainfall in Marengo, Indiana, is September, when the rain falls for 10.6 days and typically collects 0.98" (25mm) of precipitation.

What is the least humid month in Marengo?

October is the least humid month in Marengo, with an average relative humidity of 74%.

What is the month with the shortest days in Marengo?

December has the shortest days of the year in Marengo, with an average of 9h and 30min of daylight.

What is the month with the least sunshine in Marengo?

December has the least sunshine of the year, with an average of 4.1h of sunshine.

Average temperature
Marengo, IN

Average temperature - Marengo, IN

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

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Average pressure
Marengo, IN

Average pressure - Marengo, IN

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed
Marengo, IN

Average wind speed - Marengo, IN

The windiest months (with the highest average wind speed) are January, February and April (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity
Marengo, IN

Average humidity - Marengo, IN

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (74%).

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Average rainfall
Marengo, IN

Average rainfall - Marengo, IN

The wettest month (with the highest rainfall) is July (2.24").
The driest month (with the least rainfall) is September (0.98").

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Average rainfall days
Marengo, IN

Average rainfall days - Marengo, IN

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (8.2 days).

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Average snowfall
Marengo, IN

Average snowfall - Marengo, IN

The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Marengo, IN

Average snowfall days - Marengo, IN

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Marengo, IN

Average daylight / Average sunshine - Marengo, IN

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

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Average sunshine days
Marengo, IN

Average sunshine days - Marengo, IN

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (12 days).

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Average UV index
Marengo, IN

Average UV index - Marengo, IN

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

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Average visibility
Marengo, IN

Average visibility - Marengo, IN

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

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Marengo, Indiana, USA

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