Climate and monthly weather forecast
Mount Olive, IL

Weather in January

January, the same as December, is another cold winter month in Mount Olive, Illinois, with temperature in the range of an average low of 22.6°F (-5.2°C) and an average high of 35.6°F (2°C). January is the coldest month, with an average high-temperature of 35.6°F (2°C) and an average low-temperature of 22.6°F (-5.2°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Mount Olive, Illinois, with temperature in the range of an average low of 26.4°F (-3.1°C) and an average high of 40.6°F (4.8°C). In Mount Olive, the average high-temperature in February is almost the same as in January - a still cold 40.6°F (4.8°C). Weather in February »

Weather in March

March, the first month of the spring in Mount Olive, is a fresh month, with an average temperature ranging between max 52.3°F (11.3°C) and min 36.9°F (2.7°C). In Mount Olive, the average high-temperature in March increases from a wintry 40.6°F (4.8°C) in February to a cool 52.3°F (11.3°C). Weather in March »

Weather in April

April in Mount Olive, Illinois, is an enjoyable spring month, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 63.9°F (17.7°C). In Mount Olive, the average high-temperature in April increases from a cool 52.3°F (11.3°C) in March to an enjoyable 63.9°F (17.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Mount Olive, 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). In May, the average high-temperature rises from a comfortable 63.9°F (17.7°C) in April to a moderately hot 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 Mount Olive, Illinois, with an average temperature ranging between max 82.2°F (27.9°C) and min 65.5°F (18.6°C). In Mount Olive, the average high-temperature in June slightly increases from 73.9°F (23.3°C) in May to a still warm 82.2°F (27.9°C). Weather in June »

Weather in July

July, like June, in Mount Olive, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 67.5°F (19.7°C) and 84.2°F (29°C). The warmest month is July, with an average high-temperature of 84.2°F (29°C) and an average low-temperature of 67.5°F (19.7°C). The average heat index in July is estimated at a sweltering 95°F (35°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Mount Olive, Illinois, with an average temperature ranging between min 65.5°F (18.6°C) and max 82.9°F (28.3°C). In Mount Olive, the average high-temperature in August is practically the same as in July - a still moderately hot 82.9°F (28.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Mount Olive, is also a moderately hot month, with an average temperature ranging between min 59.4°F (15.2°C) and max 77.9°F (25.5°C). In Mount Olive, the average high-temperature in September is practically the same as in August - a still moderately hot 77.9°F (25.5°C). Weather in September »

Weather in October

October, like September, in Mount Olive, Illinois, is another comfortable autumn month, with an average temperature ranging between max 65.3°F (18.5°C) and min 48.4°F (9.1°C). In Mount Olive, the average high-temperature in October decreases from a moderately hot 77.9°F (25.5°C) in September to a comfortable 65.3°F (18.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Mount Olive, is also a fresh month, with temperature in the range of an average low of 36.9°F (2.7°C) and an average high of 51.6°F (10.9°C). In Mount Olive, the average high-temperature in November drops from a comfortable 65.3°F (18.5°C) in October to a cool 51.6°F (10.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Mount Olive, Illinois, with an average temperature ranging between min 29.1°F (-1.6°C) and max 40.3°F (4.6°C). In December, the average high-temperature decreases from a fresh 51.6°F (10.9°C) in November to a wintry 40.3°F (4.6°C). Weather in December »
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FAQ

What is the coldest month in Mount Olive?

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 in Mount Olive.

How much does it rain in Mount Olive?

Throughout the year, there are 121.4 rainfall days, and 14.72" (374mm) of precipitation is accumulated.

When does it snow in Mount Olive?

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

How much does it snow in Mount Olive?

Throughout the year, in Mount Olive, there are 19.8 snowfall days, and 2.91" (74mm) of snow is accumulated.

What is the month with the least sunshine in Mount Olive?

The month with the least sunshine is January, with an average of 4.4h of sunshine.

What is the month with the lowest UV index in Mount Olive?

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

What is the driest month in Mount Olive?

The month with the least rainfall in Mount Olive, Illinois, is February, when the rain falls for 5.9 days and typically collects 0.67" (17mm) of precipitation.

When is Daylight Saving Time (DST) in Mount Olive?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Mount Olive, 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 Mount Olive?

In Mount Olive, snow does not fall in April through October.

What is the rainiest month in Mount Olive?

June is the month with the most rainfall. Rain falls for 13.4 days and accumulates 1.89" (48mm) of precipitation.

When are the longest days in Mount Olive?

The month with the longest days in Mount Olive, Illinois, is June, with an average of 14h and 52min of daylight.

What are the months with the most sunshine in Mount Olive?

The months with the most sunshine are June and July, with an average of 10.3h of sunshine.

What is the month with the highest UV index in Mount Olive?

The months with the highest UV index in Mount Olive are June through August, with an average maximum UV index of 6.

What is the warmest month in Mount Olive?

With an average high-temperature of 84.2°F (29°C) and an average low-temperature of 67.5°F (19.7°C), July is the warmest month.

What is the most humid month in Mount Olive?

July is the most humid month in Mount Olive, Illinois, with an average relative humidity of 81%.

What is the least humid month in Mount Olive?

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

What is the snowiest month in Mount Olive?

The month with the most snowfall in Mount Olive is December, when snow falls for 3.8 days and typically aggregates up to 0.98" (25mm) of snow.

What is the month with the shortest days in Mount Olive?

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

Average temperature
Mount Olive, IL

Average temperature - Mount Olive, IL

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure
Mount Olive, IL

Average pressure - Mount Olive, IL

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Mount Olive, IL

Average wind speed - Mount Olive, IL

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average rainfall
Mount Olive, IL

Average rainfall - Mount Olive, IL

The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days
Mount Olive, IL

Average rainfall days - Mount Olive, IL

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (5.8 days).

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Average snowfall
Mount Olive, IL

Average snowfall - Mount Olive, IL

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

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Average snowfall days
Mount Olive, IL

Average snowfall days - Mount Olive, IL

The month with the highest number of snowfall days is January (6.3 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
Mount Olive, IL

Average daylight / Average sunshine - Mount Olive, 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 months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days
Mount Olive, IL

Average sunshine days - Mount Olive, IL

The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is July (12.5 days).

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Average UV index
Mount Olive, IL

Average UV index - Mount Olive, IL

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 cloud cover
Mount Olive, IL

Average cloud cover - Mount Olive, IL

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).

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Average visibility
Mount Olive, IL

Average visibility - Mount Olive, 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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