Climate and monthly weather forecastInverness, IL

Climate and monthly weather forecast

Weather in January

January, the same as December, in Inverness, Illinois, is another subzero cold winter month, with an average temperature fluctuating between 27.9°F (-2.3°C) and 16.9°F (-8.4°C). In Inverness, the month of January is known for its lowest average temperatures, reaching a high of 27.9°F (-2.3°C) and a low of 16.9°F (-8.4°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Inverness, Illinois, with an average temperature fluctuating between 31.5°F (-0.3°C) and 19.2°F (-7.1°C). As Inverness transitions into February, the average high-temperature stands at a still subzero cold 31.5°F (-0.3°C), offering little variation from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Inverness, is a frosty month, with an average temperature ranging between max 43.9°F (6.6°C) and min 30.6°F (-0.8°C). With the onset of March, Inverness sees a temperature rise, with the average high-temperature moving from February's subzero cold 31.5°F (-0.3°C) to a chilly 43.9°F (6.6°C). Weather in March »

Weather in April

April in Inverness, Illinois, is a cool spring month, with temperature in the range of an average low of 39.6°F (4.2°C) and an average high of 54.9°F (12.7°C). Inverness sees an increase in the average high-temperature with the arrival of April, moving from March's frosty 43.9°F (6.6°C) to a fresh 54.9°F (12.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Inverness, Illinois, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 67.1°F (19.5°C). May's arrival brings a change in high-temperatures, moving from a cool 54.9°F (12.7°C) in April to a refreshing 67.1°F (19.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Inverness, Illinois, with temperature in the range of an average low of 60.3°F (15.7°C) and an average high of 76.8°F (24.9°C). Inverness experiences a temperature shift with the start of June, with average high-temperatures moving from a comfortable 67.1°F (19.5°C) in May to a moderately hot 76.8°F (24.9°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Inverness, Illinois, with an average temperature varying between 65.8°F (18.8°C) and 81.5°F (27.5°C). The average temperatures reach their apex in July, averaging 81.5°F (27.5°C) at the high end and 65.8°F (18.8°C) at the low end. During July, the heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Inverness, is also a moderately hot month, with an average temperature ranging between min 64.4°F (18°C) and max 80.1°F (26.7°C). During August, the average high-temperature is a still warm 80.1°F (26.7°C), maintaining a close resemblance to that of the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Inverness, Illinois, with an average temperature fluctuating between 57.9°F (14.4°C) and 73.2°F (22.9°C). September heralds a minor drop in average high-temperature, sliding from August's warm 80.1°F (26.7°C) to a pleasant 73.2°F (22.9°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Inverness, Illinois, with temperature in the range of an average high of 60.1°F (15.6°C) and an average low of 45.5°F (7.5°C). October brings a minor decrease, with the average high-temperature reducing from a pleasant 73.2°F (22.9°C) in September to a moderate 60.1°F (15.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Inverness, Illinois, with an average temperature ranging between min 33.4°F (0.8°C) and max 45.5°F (7.5°C). As November arrives, Inverness's weather displays a notable decrease in high-temperatures, falling from October's moderate 60.1°F (15.6°C) to a frosty 45.5°F (7.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Inverness, Illinois, with temperature in the range of an average low of 24.6°F (-4.1°C) and an average high of 34.3°F (1.3°C). The arrival of December signals a shift in temperature, down from a chilly 45.5°F (7.5°C) in November to a cold 34.3°F (1.3°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January, characterized by an average high temperature of 27.9°F (-2.3°C) and a low temperature of 16.9°F (-8.4°C), is generally the coldest month.

January and February, with an average relative humidity of 83%, are most humid months in Inverness.

Throughout the year, in Inverness, there are 120.6 rainfall days, and 13.98" (355mm) of precipitation is accumulated.

Months with snowfall in Inverness are January through May, October through December.

Throughout the year, in Inverness, there are 37.9 snowfall days, and 6.89" (175mm) of snow is accumulated.

January has the least sunshine of the year in Inverness, with an average of 3.7h of sunshine.

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

February is the month with the most snowfall. Snow falls for 8.3 days and accumulates 1.81" (46mm) of snow.

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.

May is the month with the most rainfall. Rain falls for 14.7 days and accumulates 1.77" (45mm) of precipitation.

June through September are months without snowfall.

The month with the longest days in Inverness is June, with an average of 15h and 12min of daylight.

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

Inverness records the warmest temperatures in July, averaging a high of 81.5°F (27.5°C) and a low of 65.8°F (18.8°C).

July and August, with an average of 10.1h of sunshine, are months with the most sunshine in Inverness.

The least humid month in Inverness is October, with an average relative humidity of 73%.

The month with the least rainfall is December, when the rain falls for 4.6 days and typically collects 0.59" (15mm) of precipitation.

The month with the shortest days in Inverness is December, with an average of 9h and 12min of daylight.

Average temperature
Inverness, IL

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.9°F).

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure
Inverness, IL

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
Inverness, IL

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity
Inverness, IL

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).

Average rainfall
Inverness, IL

The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is December (0.59").

Average rainfall days
Inverness, IL

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (3.8 days).

Average snowfall
Inverness, IL

The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Inverness, IL

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Inverness, IL

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days
Inverness, IL

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is July (12.1 days).

Average UV index
Inverness, 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 and December (UV index 1).

Average cloud cover
Inverness, IL

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).

Average visibility
Inverness, 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).