Climate and monthly weather forecast
Otterville, IL

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Weather in January

January, like December, in Otterville, Illinois, is an icy winter month, with temperature in the range of an average high of 35.6°F (2°C) and an average low of 22.6°F (-5.2°C). January, known for its average high temperature of 35.6°F (2°C) and an average low temperature of 22.6°F (-5.2°C), is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Otterville, is also a wintry month, with an average temperature varying between 26.4°F (-3.1°C) and 40.6°F (4.8°C). As January transitions into February, Otterville records an average high-temperature of a still cold 40.6°F (4.8°C), showing a gentle shift from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Otterville, is a fresh month, with temperature in the range of an average high of 52.5°F (11.4°C) and an average low of 37°F (2.8°C). March sees a temperature increase, moving from a wintry 40.6°F (4.8°C) in February to a fresh 52.5°F (11.4°C). Weather in March »

Weather in April

April in Otterville, Illinois, is an enjoyable spring month, with temperature in the range of an average low of 46.8°F (8.2°C) and an average high of 64.2°F (17.9°C). The shift from March to April is marked by an increase in the average high-temperature, moving from a fresh 52.5°F (11.4°C) 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 temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 56.7°F (13.7°C). May witnesses an increase in the average high-temperature, moving from a comfortable 64.2°F (17.9°C) in April to a moderately hot 73.9°F (23.3°C). Weather in May »

Weather in June

June, the first month of the summer in Otterville, is still a warm month, with an average temperature varying between 82.8°F (28.2°C) and 65.7°F (18.7°C). The shift from May to June introduces a subtle increase in the average high-temperature, moving from 73.9°F (23.3°C) to a still moderately hot 82.8°F (28.2°C). Weather in June »

Weather in July

July, like June, in Otterville, Illinois, is another warm summer month, with an average temperature ranging between max 84.7°F (29.3°C) and min 67.6°F (19.8°C). The month of July, characterized by an average high of 84.7°F (29.3°C) and a low of 67.6°F (19.8°C), is recognized as the warmest. For most parts of July, the heat index is calculated to be a very hot 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 fluctuating between 65.5°F (18.6°C) and 83.7°F (28.7°C). August ushers in an average high-temperature of a still moderately hot 83.7°F (28.7°C), aligning closely with the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Otterville, Illinois, with an average temperature varying between 78.4°F (25.8°C) and 59.4°F (15.2°C). Otterville starts September with an average high-temperature of a still warm 78.4°F (25.8°C), a minor shift from August's 83.7°F (28.7°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Otterville, Illinois, with an average temperature varying between 65.3°F (18.5°C) and 48.2°F (9°C). In Otterville, entering October brings a temperature decrement, reducing from September's warm 78.4°F (25.8°C) to a comfortable 65.3°F (18.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Otterville, Illinois, with an average temperature varying between 51.8°F (11°C) and 36.9°F (2.7°C). A moderate decline in the average high-temperature is seen during November, decreasing 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

The first month of the winter, December, is also an icy month in Otterville, Illinois, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 40.6°F (4.8°C). December brings a decrease in the average high-temperature, falling from November's fresh 51.8°F (11°C) to an icy 40.6°F (4.8°C). Weather in December »

Frequently asked questions

What is the coldest time of year?

January proves to be the coldest month, recording an average maximum temperature of 35.6°F (2°C) and a minimum temperature of 22.6°F (-5.2°C).

What is the driest month?

January is the month with the least rainfall. Rain falls for 5.9 days and accumulates 1.06" (27mm) of precipitation.

How much does it rain?

Throughout the year, there are 136.5 rainfall days, and 23.11" (587mm) of precipitation is accumulated.

When does it snow?

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

How much does it snow in Otterville?

Throughout the year, there are 20.9 snowfall days, and 6.26" (159mm) of snow is accumulated.

What is the month with the least sunshine?

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

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

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

When does it snow the most?

The month with the most snowfall in Otterville is February, when snow falls for 5.9 days and typically aggregates up to 2.17" (55mm) of snow.

When is Daylight Saving Time (DST)?

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.

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?

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

What is the wettest month?

June is the month with the most rainfall. Rain falls for 14.3 days and accumulates 3.07" (78mm) of precipitation.

When are the longest days?

The month with the longest days is June, with an average of 14h and 54min of daylight.

What month has the most sunshine?

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

What time of the year is the hottest?

Otterville's July weather, with an average high temperature of 84.7°F (29.3°C) and an average low temperature of 67.6°F (19.8°C), tends to be the warmest of the year.

What is the most humid month?

With an average relative humidity of 80%, July is the most humid month.

What is the least humid month?

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

What is the month with the shortest days?

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

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).

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).

Average humidity
Otterville, IL

Average humidity - Otterville, IL

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).

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").

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).

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").

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).

Average daylight / Average sunshine
Otterville, IL

Average daylight / Average sunshine - Otterville, IL

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

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).

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).

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).

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).

Otterville, Illinois, USA

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