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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is a wintry winter month in Longview, Illinois, with an average temperature fluctuating between 33.3°F (0.7°C) and 21°F (-6.1°C). In Longview, January is the coldest month, with temperatures averaging a high of 33.3°F (0.7°C) and a low of 21°F (-6.1°C). Weather in January »
Weather in February
February, the last month of the winter in Longview, is also a wintry 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). The initiation of February sees an average high-temperature of a still icy 37.9°F (3.3°C), showing minor variations from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Longview, is a fresh month, with an average temperature ranging between min 35.4°F (1.9°C) and max 50.2°F (10.1°C). In Longview, the average high-temperature in March increases from an icy 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 an enjoyable spring month, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 61.9°F (16.6°C). The rise of average high-temperatures is seen in April, with an increase from a fresh 50.2°F (10.1°C) in March to a refreshing 61.9°F (16.6°C). Weather in April »
Weather in May
May, the last month of the spring in Longview, is an agreeable month, with an average temperature ranging between max 72.7°F (22.6°C) and min 56.5°F (13.6°C). The start of May signals an increase in the average high-temperature, moving from a comfortable 61.9°F (16.6°C) in April to an agreeable 72.7°F (22.6°C). Weather in May »
Weather in June
June, the first month of the summer in Longview, is a moderately hot month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 80.8°F (27.1°C). Longview's June weather indicates a minor increase in high-temperatures, edging from May's agreeable 72.7°F (22.6°C) to a moderately hot 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 tends to be the warmest month, with temperatures averaging a daily high of 82°F (27.8°C) and a low of 65.7°F (18.7°C). July's heat index is appraised at 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 temperature in the range of an average high of 81°F (27.2°C) and an average low of 63.7°F (17.6°C). During August, the average high-temperature is a still warm 81°F (27.2°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 also a moderately hot month in Longview, Illinois, with an average temperature ranging between max 77°F (25°C) and min 58.5°F (14.7°C). Longview notes an average high-temperature of a still warm 77°F (25°C) in September, hardly diverging from August. Weather in September »
Weather in October
October, like September, in Longview, Illinois, is another comfortable autumn month, with an average temperature fluctuating between 63.9°F (17.7°C) and 48°F (8.9°C). As October arrives, Longview's weather displays a decrease in high-temperatures, transitioning from September's warm 77°F (25°C) 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 fluctuating between 49.6°F (9.8°C) and 36.1°F (2.3°C). With the onset of November, Longview experiences a modest temperature adjustment, with the average high-temperature receding from a comfortable 63.9°F (17.7°C) in October to a chilly 49.6°F (9.8°C). Weather in November »
Weather in December
December, the first month of the winter in Longview, is also an icy month, with an average temperature fluctuating between 38.5°F (3.6°C) and 28°F (-2.2°C). The beginning of December marks a decrease in the average high-temperature, transitioning from a frosty 49.6°F (9.8°C) in November to a wintry 38.5°F (3.6°C). Weather in December »
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
The coldest temperatures occur during January, when averages reach a peak of 33.3°F (0.7°C) and a low of 21°F (-6.1°C).
How many days does it rain?
Throughout the year, there are 132 rainfall days, and 15.94" (405mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, October through December.
How many days 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?
January has the least sunshine of the year, with an average of 4.1h of sunshine.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Longview.
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?
The month with the most rainfall is April, when the rain falls for 14.1 days and typically aggregates up to 1.97" (50mm) of precipitation.
When it does not snow?
In Longview, snow does not fall in May through September.
When are the longest days?
With an average of 15h and 0min of daylight, June has the longest days of the year.
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 is the warmest month?
During the warmest month in Longview, July, temperatures average a high 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 in Longview?
The month with the shortest days in Longview is December, with an average of 9h and 24min of daylight.
Average temperature
Longview, IL
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure
Longview, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
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 in January:
10.8mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.2mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.1mph - Average wind speed in December:
10mph
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
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 in January:
1.06" - Average rainfall in February:
0.83" - Average rainfall in March:
1.38" - Average rainfall in April:
1.97" - Average rainfall in May:
1.89" - Average rainfall in June:
1.65"
- Average rainfall in July:
1.61" - Average rainfall in August:
1.46" - Average rainfall in September:
0.87" - Average rainfall in October:
1.3" - Average rainfall in November:
0.94" - Average rainfall in December:
0.98"
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 in January:
6.9 days - Average rainfall days in February:
6 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
15.7 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
7.7 days
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
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 in January:
8 days - Average snowfall days in February:
7.2 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5.7 days
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 in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
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 in January:
18.5 days - Average sunshine days in February:
15.9 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
11.5 days
- Average sunshine days in July:
11.1 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
18.3 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
18.1 days
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
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 cloud cover
Longview, IL
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).
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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