Climate and monthly weather forecast
Longview, IL

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Weather in January

January, like December, in Longview, Illinois, is a wintry winter month, with an average temperature ranging between max 33.3°F (0.7°C) and min 21°F (-6.1°C). Longview's temperature records reveal January as the coldest month, marked by average highs of 33.3°F (0.7°C) and lows of 21°F (-6.1°C). Weather in January »

Weather in February

February, the last month of the winter in Longview, is also an icy month, with temperature in the range of an average low of 25°F (-3.9°C) and an average high of 37.9°F (3.3°C). During February, Longview observes a subtle ascent to a still icy 37.9°F (3.3°C) from January's 33.3°F (0.7°C) in the average high-temperature. Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Longview, Illinois, with temperature in the range of an average high of 50.2°F (10.1°C) and an average low of 35.4°F (1.9°C). In March, the average high-temperature increases from a wintry 37.9°F (3.3°C) in February to a fresh 50.2°F (10.1°C). Weather in March »

Weather in April

April in Longview, Illinois, is a comfortable spring month, with an average temperature fluctuating between 61.9°F (16.6°C) and 46°F (7.8°C). The arrival of April signals an increase in the average high-temperature, moving from a fresh 50.2°F (10.1°C) in March to a comfortable 61.9°F (16.6°C). Weather in April »

Weather in May

May, the last month of the spring in Longview, is a pleasant month, with an average temperature varying between 56.5°F (13.6°C) and 72.7°F (22.6°C). As Longview transitions into May, the average high-temperature is observed to rise from an enjoyable 61.9°F (16.6°C) in April to a pleasant 72.7°F (22.6°C). Weather in May »

Weather in June

June, the first month of the summer in Longview, is a warm month, with an average temperature fluctuating between 64°F (17.8°C) and 80.8°F (27.1°C). June witnesses a minor rise in the average high-temperature, transitioning from a pleasant 72.7°F (22.6°C) in May to a warm 80.8°F (27.1°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Longview, Illinois, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 82°F (27.8°C). July is the month when Longview experiences its warmest temperatures, averaging a high of 82°F (27.8°C) and a low of 65.7°F (18.7°C). In July, the average heat index is calculated to be a tropical 89.6°F (32°C). Weather in July »

Weather in August

August, the last month of the summer in Longview, is another warm month, with an average temperature fluctuating between 81°F (27.2°C) and 63.7°F (17.6°C). The arrival of August coincides with an average high-temperature of a still moderately hot 81°F (27.2°C), indicating a minimal shift from July's 82°F (27.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Longview, Illinois, with an average temperature fluctuating between 58.5°F (14.7°C) and 77°F (25°C). Longview's weather in September, with an average high-temperature of a still moderately hot 77°F (25°C), subtly shifts from August's 81°F (27.2°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Longview, Illinois, with an average temperature fluctuating between 63.9°F (17.7°C) and 48°F (8.9°C). The onset of October is marked by a decrease in temperature, transitioning from a moderately hot 77°F (25°C) in September to an enjoyable 63.9°F (17.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Longview, is also a frosty month, with an average temperature varying between 49.6°F (9.8°C) and 36.1°F (2.3°C). A decrease in the average high-temperature is observed during November, shifting from an enjoyable 63.9°F (17.7°C) in October to a chilly 49.6°F (9.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Longview, Illinois, with an average temperature fluctuating between 28°F (-2.2°C) and 38.5°F (3.6°C). In December, the average high-temperature goes from a chilly 49.6°F (9.8°C) in November to an icy 38.5°F (3.6°C). Weather in December »
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

With average high and low temperatures of 33.3°F (0.7°C) and 21°F (-6.1°C) respectively, January is Longview's coldest month.

How many days does it rain?

In Longview, during the entire year, the rain falls for 132 days and collects up to 15.94" (405mm) of precipitation.

When does it snow?

Months with snowfall are January through April, October through December.

How much does it snow?

Throughout the year, there are 25.6 snowfall days, and 4.41" (112mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 4.1h of sunshine, January has the least sunshine of the year.

When is the lowest UV index?

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

What is the driest month?

February is the month with the least rainfall. Rain falls for 6 days and accumulates 0.83" (21mm) of precipitation.

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.

What is the wettest month?

April is the month with the most rainfall. Rain falls for 14.1 days and accumulates 1.97" (50mm) of precipitation.

When it does not snow in Longview?

May through September are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 15h and 0min of daylight.

What month has the most sunshine?

With an average of 10.3h of sunshine, June has the most sunshine of the year.

When is the highest UV index?

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

What part of the year is the hottest?

In Longview, July is identified by the average highest temperatures, reaching a peak of 82°F (27.8°C) and a low of 65.7°F (18.7°C).

What is the most humid month?

July is the most humid month, with an average relative humidity of 84%.

What is the least humid month?

With an average relative humidity of 70%, October is the least humid month.

What is the snowiest month in Longview?

December is the month with the most snowfall. Snow falls for 5.7 days and accumulates 1.26" (32mm) of snow.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

Average pressure
Longview, IL

Average pressure - Longview, IL

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Longview, IL

Average wind speed - Longview, IL

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity
Longview, IL

Average humidity - Longview, IL

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

Average rainfall
Longview, IL

Average rainfall - Longview, IL

The wettest month (with the highest rainfall) is April (1.97").
The driest month (with the least rainfall) is February (0.83").

Average rainfall days
Longview, IL

Average rainfall days - Longview, IL

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (6 days).

Average snowfall
Longview, IL

Average snowfall - Longview, IL

The month with the highest snowfall is December (1.26").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Longview, IL

Average snowfall days - Longview, IL

The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Longview, IL

Average daylight / Average sunshine - Longview, IL

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days
Longview, IL

Average sunshine days - Longview, IL

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (11.1 days).

Average UV index
Longview, IL

Average UV index - Longview, 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).

Average visibility
Longview, IL

Average visibility - Longview, IL

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

Longview, Illinois, USA

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