Climate and monthly weather forecastNew Grand Chain, IL
Climate and monthly weather forecast
Weather in January
January, like December, in New Grand Chain, Illinois, is a wintry winter month, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 27°F (-2.8°C). New Grand Chain's January weather, marked by an average high temperature of 40.1°F (4.5°C) and an average low temperature of 27°F (-2.8°C), is the coldest in the year. Weather in January »Weather in February
February, the last month of the winter in New Grand Chain, is a chilly month, with an average temperature fluctuating between 30.7°F (-0.7°C) and 45.1°F (7.3°C). The advent of February brings an average high-temperature of a chilly 45.1°F (7.3°C), almost identical to the preceding month. Weather in February »Weather in March
March, the first month of the spring in New Grand Chain, is a refreshing month, with an average temperature fluctuating between 55.8°F (13.2°C) and 39.7°F (4.3°C). In New Grand Chain, stepping into March brings a temperature increase, moving up from February's frosty 45.1°F (7.3°C) to a mild 55.8°F (13.2°C). Weather in March »Weather in April
April is an enjoyable spring month in New Grand Chain, Illinois, with an average temperature varying between 48.9°F (9.4°C) and 66.6°F (19.2°C). The rise of average high-temperatures is seen in April, with an increase from a moderate 55.8°F (13.2°C) in March to a still refreshing 66.6°F (19.2°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in New Grand Chain, Illinois, with an average temperature ranging between max 75.7°F (24.3°C) and min 57.9°F (14.4°C). In New Grand Chain, the onset of May comes with an increased average high-temperature, moving from April's comfortable 66.6°F (19.2°C) to a warm 75.7°F (24.3°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in New Grand Chain, Illinois, with an average temperature fluctuating between 66.2°F (19°C) and 85.6°F (29.8°C). June shows a rise in the average high-temperature, moving from May's 75.7°F (24.3°C) to a still moderately hot 85.6°F (29.8°C). Weather in June »Weather in July
July in New Grand Chain, Illinois, is a tropical summer month, with temperature in the range of an average high of 88°F (31.1°C) and an average low of 68.5°F (20.3°C). In New Grand Chain, the highest average temperatures are observed in July, with a high of 88°F (31.1°C) and a low of 68.5°F (20.3°C). For July, the heat index is evaluated at a blisteringly hot 104°F (40°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in New Grand Chain, Illinois, with an average temperature ranging between max 86.5°F (30.3°C) and min 66.7°F (19.3°C). July's transformation into August witnesses an average high-temperature of a still tropical 86.5°F (30.3°C), noting a minor change from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in New Grand Chain, Illinois, with an average temperature varying between 60.6°F (15.9°C) and 81.1°F (27.3°C). The onset of September is marked by a minor decrease in temperature, transitioning from a tropical 86.5°F (30.3°C) in August to a warm 81.1°F (27.3°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in New Grand Chain, Illinois, with an average temperature varying between 49.6°F (9.8°C) and 67.8°F (19.9°C). The average high-temperature decreases in October, shifting from a warm 81.1°F (27.3°C) in September to an enjoyable 67.8°F (19.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in New Grand Chain, Illinois, with an average temperature fluctuating between 54.5°F (12.5°C) and 38.8°F (3.8°C). In New Grand Chain, the beginning of November is marked by a lowered average high-temperature, shifting from October's refreshing 67.8°F (19.9°C) to a cool 54.5°F (12.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in New Grand Chain, Illinois, with an average temperature fluctuating between 32.7°F (0.4°C) and 44.8°F (7.1°C). December's onset brings a slight change in high-temperatures, falling from a cool 54.5°F (12.5°C) in November to a frosty 44.8°F (7.1°C). Weather in December »Updated: Aug 24, 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
Temperature records mark January as the coldest month, with highs averaging 40.1°F (4.5°C) and lows at 27°F (-2.8°C).
Throughout the year, in New Grand Chain, there are 118.3 rainfall days, and 13.03" (331mm) of precipitation is accumulated.
Months with snowfall in New Grand Chain are January through March, November and December.
In New Grand Chain, during the entire year, snow falls for 11 days and aggregates up to 1.57" (40mm) of snow.
The months with the least sunshine are January and February, with an average of 4.6h of sunshine.
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
February is the month with the most snowfall. Snow falls for 3.2 days and accumulates 0.67" (17mm) of snow.
March and May, with an average relative humidity of 79%, are most humid months.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in New Grand Chain, 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.
In New Grand Chain, snow does not fall in April through October.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
The month with the most rainfall is June, when the rain falls for 12.5 days and typically aggregates up to 1.5" (38mm) of precipitation.
The month with the longest days is June, with an average of 14h and 42min of daylight.
The months with the most sunshine are June and July, with an average of 10.4h of sunshine.
July, with its high-temperature average of 88°F (31.1°C) and a low-temperature average of 68.5°F (20.3°C), is the warmest month.
The month with the least rainfall is September, when the rain falls for 8.3 days and typically collects 0.47" (12mm) of precipitation.
With an average relative humidity of 71%, October is the least humid month.
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Average temperature
New Grand Chain, IL
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure
New Grand Chain, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.94"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:
30.05"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
New Grand Chain, IL
- Average wind speed in January:
9mph - Average wind speed in February:
9mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8.2mph - Average wind speed in December:
8.5mph
The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
New Grand Chain, IL
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
New Grand Chain, IL
- Average rainfall in January:
0.75" - Average rainfall in February:
1.14" - Average rainfall in March:
1.22" - Average rainfall in April:
1.22" - Average rainfall in May:
1.34" - Average rainfall in June:
1.5"
- Average rainfall in July:
1.42" - Average rainfall in August:
1.3" - Average rainfall in September:
0.47" - Average rainfall in October:
0.98" - Average rainfall in November:
0.91" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days
New Grand Chain, IL
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
12.7 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
13.1 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
8.3 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).
Average snowfall
New Grand Chain, IL
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
New Grand Chain, IL
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
3.2 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.2 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:
0.1 days - Average snowfall days in November:
1 days - Average snowfall days in December:
1.9 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
New Grand Chain, IL
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 36min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 24min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days
New Grand Chain, IL
- Average sunshine days in January:
21.4 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
16.7 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
15.1 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
19.1 days - Average sunshine days in October:
21.5 days - Average sunshine days in November:
20.8 days - Average sunshine days in December:
21.2 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).
Average UV index
New Grand Chain, IL
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
New Grand Chain, IL
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility
New Grand Chain, 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).
