Climate and monthly weather forecast
Otterville, IL

Weather in January

January, like December, in Otterville, Illinois, is a wintry winter month, with an average temperature fluctuating between 35.6°F (2°C) and 22.6°F (-5.2°C). With an average high-temperature of 35.6°F (2°C) and an average low-temperature of 22.6°F (-5.2°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Otterville, Illinois, with an average temperature fluctuating between 40.6°F (4.8°C) and 26.4°F (-3.1°C). In February, the average high-temperature is practically the same as in January - a still wintry 40.6°F (4.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Otterville, Illinois, with an average temperature fluctuating between 37°F (2.8°C) and 52.5°F (11.4°C). In March, the average high-temperature rises from a wintry 40.6°F (4.8°C) in February to a cool 52.5°F (11.4°C). Weather in March »

Weather in April

April in Otterville, Illinois, is a comfortable spring month, with an average temperature fluctuating between 64.2°F (17.9°C) and 46.8°F (8.2°C). In April, the average high-temperature increases from a cool 52.5°F (11.4°C) in March to an enjoyable 64.2°F (17.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Otterville, Illinois, with an average temperature fluctuating between 73.9°F (23.3°C) and 56.7°F (13.7°C). In Otterville, the average high-temperature in May increases from a comfortable 64.2°F (17.9°C) in April to a warm 73.9°F (23.3°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Otterville, Illinois, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 65.7°F (18.7°C). In June, the average high-temperature marginally rises from a warm 73.9°F (23.3°C) in May to a still moderately hot 82.8°F (28.2°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Otterville, Illinois, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 67.6°F (19.8°C). July is the warmest month, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 67.6°F (19.8°C). The average heat index in July is appraised at a sweltering 96.8°F (36°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Otterville, Illinois, with an average temperature ranging between min 65.5°F (18.6°C) and max 83.7°F (28.7°C). In August, the average high-temperature is relatively the same as in July - a still warm 83.7°F (28.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Otterville, is also a moderately hot month, with an average temperature varying between 59.4°F (15.2°C) and 78.4°F (25.8°C). In September, the average high-temperature is relatively the same as in August - a still moderately hot 78.4°F (25.8°C). Weather in September »

Weather in October

October, like September, in Otterville, Illinois, is another comfortable autumn month, with an average temperature varying between 48.2°F (9°C) and 65.3°F (18.5°C). In October, the average high-temperature drops from a warm 78.4°F (25.8°C) in September to an enjoyable 65.3°F (18.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Otterville, is also a fresh month, with an average temperature varying between 36.9°F (2.7°C) and 51.8°F (11°C). In Otterville, the average high-temperature in November drops from a comfortable 65.3°F (18.5°C) in October to a cool 51.8°F (11°C). Weather in November »

Weather in December

December, the first month of the winter in Otterville, is also a wintry month, with an average temperature varying between 29.3°F (-1.5°C) and 40.6°F (4.8°C). In Otterville, the average high-temperature in December drops from a cool 51.8°F (11°C) in November to a wintry 40.6°F (4.8°C). Weather in December »
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FAQ

What is the coldest month in Otterville?

January is the coldest month in Otterville, Illinois, with an average high-temperature of 35.6°F (2°C) and an average low-temperature of 22.6°F (-5.2°C).

What is the driest month in Otterville?

The month with the least rainfall is January, when the rain falls for 5.9 days and typically collects 1.06" (27mm) of precipitation.

How many days does it rain in Otterville?

In Otterville, Illinois, during the entire year, the rain falls for 136.5 days and collects up to 23.11" (587mm) of precipitation.

When does it snow in Otterville?

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

How much does it snow in Otterville?

In Otterville, during the entire year, snow falls for 20.9 days and aggregates up to 6.26" (159mm) of snow.

What is the month with the least sunshine in Otterville?

With an average of 4.5h of sunshine, January has the least sunshine of the year in Otterville.

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

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

When does it snow the most in Otterville?

February is the month with the most snowfall. Snow falls for 5.9 days and accumulates 2.17" (55mm) of snow.

When is Daylight Saving Time (DST) in Otterville?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Otterville, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow in Otterville?

In Otterville, snow does not fall in April through October.

What is the month with the highest UV index in Otterville?

The months with the highest UV index in Otterville, Illinois, are May through August, with an average maximum UV index of 6.

What is the wettest month in Otterville?

The month with the most rainfall is June, when the rain falls for 14.3 days and typically aggregates up to 3.07" (78mm) of precipitation.

When are the longest days in Otterville?

With an average of 14h and 52min of daylight, June has the longest days of the year.

What month has the most sunshine in Otterville?

With an average of 10.4h of sunshine, June has the most sunshine of the year in Otterville.

What is the warmest month in Otterville?

The warmest month is July, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 67.6°F (19.8°C).

What is the most humid month in Otterville?

The most humid month is July, with an average relative humidity of 80%.

What is the least humid month in Otterville?

October is the least humid month, with an average relative humidity of 71%.

What is the month with the shortest days in Otterville?

December has the shortest days of the year in Otterville, Illinois, with an average of 9h and 29min of daylight.

Average temperature
Otterville, IL

Average temperature - Otterville, IL

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.6°F).

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure
Otterville, IL

Average pressure - Otterville, IL

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Otterville, IL

Average wind speed - Otterville, IL

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

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Average rainfall
Otterville, IL

Average rainfall - Otterville, IL

The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is January (1.06").

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Average rainfall days
Otterville, IL

Average rainfall days - Otterville, IL

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall
Otterville, IL

Average snowfall - Otterville, IL

The month with the highest snowfall is February (2.17").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Otterville, IL

Average snowfall days - Otterville, IL

The month with the highest number of snowfall days is January (6.2 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
Otterville, IL

Average daylight / Average sunshine - Otterville, IL

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days
Otterville, IL

Average sunshine days - Otterville, IL

The month with the most sunshine days is January (20.3 days).
The months with the least sunshine days are May and June (12.3 days).

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Average UV index
Otterville, IL

Average UV index - Otterville, IL

The months with the highest UV index are May, 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
Otterville, IL

Average visibility - Otterville, IL

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

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