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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, like December, is another subzero cold winter month in Lockport, Illinois, with an average temperature varying between 17.6°F (-8°C) and 29.1°F (-1.6°C). Lockport's January weather, marked by an average high temperature of 29.1°F (-1.6°C) and an average low temperature of 17.6°F (-8°C), is the coldest in the year. Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Lockport, Illinois, with an average temperature varying between 33.1°F (0.6°C) and 20.5°F (-6.4°C). The shift from January to February is characterized by an average high-temperature of a wintry 33.1°F (0.6°C), not significantly different from the 29.1°F (-1.6°C) of January. Weather in February »
Weather in March
March, the first month of the spring in Lockport, is a chilly month, with an average temperature varying between 32°F (0°C) and 46°F (7.8°C). The start of March brings a rise in the average high-temperature, moving from a wintry 33.1°F (0.6°C) in February to a frosty 46°F (7.8°C). Weather in March »
Weather in April
April in Lockport, Illinois, is a refreshing spring month, with an average temperature ranging between max 57.6°F (14.2°C) and min 41.5°F (5.3°C). Lockport's April weather brings a rise in high-temperatures, moving from a frosty 46°F (7.8°C) in March to a mild 57.6°F (14.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Lockport, Illinois, with temperature in the range of an average high of 69.8°F (21°C) and an average low of 52.7°F (11.5°C). May sees a rise in the average high-temperature, climbing from a refreshing 57.6°F (14.2°C) in April to a pleasant 69.8°F (21°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Lockport, Illinois, with an average temperature ranging between min 61.3°F (16.3°C) and max 78.8°F (26°C). June comes with an increase, with the average high-temperature moving from an agreeable 69.8°F (21°C) in May to a warm 78.8°F (26°C). Weather in June »
Weather in July
July, like June, in Lockport, Illinois, is another warm summer month, with an average temperature varying between 65.3°F (18.5°C) and 82°F (27.8°C). In Lockport, July records the highest average temperatures, peaking at 82°F (27.8°C) and reaching a low of 65.3°F (18.5°C). July's average heat index is appraised at a hot 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Lockport, is another warm month, with an average temperature ranging between max 80.4°F (26.9°C) and min 63.9°F (17.7°C). Entering August, the average high-temperature is recorded at a still moderately hot 80.4°F (26.9°C), exhibiting 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 Lockport, Illinois, with an average temperature fluctuating between 74.3°F (23.5°C) and 57.4°F (14.1°C). September is characterized by a slight reduction in average high-temperature, easing from a moderately hot 80.4°F (26.9°C) in August to a still warm 74.3°F (23.5°C). Weather in September »
Weather in October
October, like September, in Lockport, Illinois, is another comfortable autumn month, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 45.5°F (7.5°C). October is characterized by a reduction in the average high-temperature, from a warm 74.3°F (23.5°C) in September to an enjoyable 61.2°F (16.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Lockport, is another chilly month, with an average temperature fluctuating between 46.9°F (8.3°C) and 33.6°F (0.9°C). November's onset corresponds with a shift in the average high-temperature, moving from an enjoyable 61.2°F (16.2°C) in October to a frosty 46.9°F (8.3°C). Weather in November »
Weather in December
December, the first month of the winter in Lockport, is also an icy month, with an average temperature fluctuating between 34.9°F (1.6°C) and 25°F (-3.9°C). Lockport's weather changes with the onset of December, slightly falling from a chilly 46.9°F (8.3°C) in November to an icy 34.9°F (1.6°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Lockport?
January is the coldest month in Lockport, Illinois, with an average high-temperature of 29.1°F (-1.6°C) and an average low-temperature of 17.6°F (-8°C).
What is the most humid month in Lockport?
The months with the highest humidity are January and February, with an average relative humidity of 83%.
How much does it rain in Lockport?
Throughout the year, there are 103.8 rainfall days, and 10.08" (256mm) of precipitation is accumulated.
When does it snow in Lockport?
January through April, November and December are months with snowfall in Lockport, Illinois.
What is the snowiest month in Lockport?
January is the month with the most snowfall. Snow falls for 9 days and accumulates 1.14" (29mm) of snow.
How much does it snow in Lockport?
In Lockport, during the entire year, snow falls for 30.8 days and aggregates up to 4.02" (102mm) of snow.
What is the month with the least sunshine in Lockport?
The month with the least sunshine is January, with an average of 3.7h of sunshine.
What is the month with the lowest UV index in Lockport?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Lockport.
What is the driest month in Lockport?
The month with the least rainfall in Lockport is February, when the rain falls for 3.7 days and typically collects 0.47" (12mm) of precipitation.
When is Daylight Saving Time (DST) in Lockport?
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 rainiest month in Lockport?
May is the month with the most rainfall in Lockport. Rain falls for 11.6 days and accumulates 1.38" (35mm) of precipitation.
When it does not snow in Lockport?
In Lockport, Illinois, snow does not fall in May through October.
When are the longest days in Lockport?
With an average of 15h and 6min of daylight, June has the longest days of the year in Lockport, Illinois.
When is the highest UV index in Lockport?
June and July, with an average maximum UV index of 6, are months with the highest UV index in Lockport, Illinois.
What month is the hottest in Lockport?
Lockport's warmest weather arrives in July, when temperatures average a high of 82°F (27.8°C) and a low of 65.3°F (18.5°C).
What month has the most sunshine in Lockport?
The month with the most sunshine in Lockport, Illinois, is August, with an average of 9.9h of sunshine.
What is the least humid month in Lockport?
With an average relative humidity of 73%, October is the least humid month in Lockport, Illinois.
What is the month with the shortest days in Lockport?
With an average of 9h and 12min of daylight, December has the shortest days of the year in Lockport, Illinois.
Average temperature
Lockport, IL
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.1°F).
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure
Lockport, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.1"Hg
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
Lockport, IL
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.6mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.2mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Lockport, 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
Lockport, IL
- Average rainfall in January:
0.55" - Average rainfall in February:
0.47" - Average rainfall in March:
0.51" - Average rainfall in April:
0.98" - Average rainfall in May:
1.38" - Average rainfall in June:
1.14"
- Average rainfall in July:
1.22" - Average rainfall in August:
0.98" - Average rainfall in September:
0.87" - Average rainfall in October:
0.94" - Average rainfall in November:
0.51" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is May (1.38").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days
Lockport, IL
- Average rainfall days in January:
4 days - Average rainfall days in February:
3.7 days - Average rainfall days in March:
8.6 days - Average rainfall days in April:
11.5 days - Average rainfall days in May:
11.6 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
10.6 days - Average rainfall days in September:
9.6 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
5.9 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is February (3.7 days).
Average snowfall
Lockport, IL
The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Lockport, IL
- Average snowfall days in January:
9 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
4.1 days - Average snowfall days in April:
1.4 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:
0.3 days - Average snowfall days in November:
2.4 days - Average snowfall days in December:
6.3 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Lockport, 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 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Lockport, IL
- Average sunshine days in January:
21.1 days - Average sunshine days in February:
19.4 days - Average sunshine days in March:
18.8 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
16.1 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
16 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
20.6 days - Average sunshine days in November:
21.9 days - Average sunshine days in December:
22.3 days
The month with the most sunshine days is December (22.3 days).
The month with the least sunshine days is July (13.8 days).
Average UV index
Lockport, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Lockport, IL
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Lockport, IL
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Lockport, Illinois, USA
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