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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 New Salem, Illinois, with an average temperature fluctuating between 33.8°F (1°C) and 21.6°F (-5.8°C). During the coldest month, January, temperatures average a high of 33.8°F (1°C) and a low of 21.6°F (-5.8°C). Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in New Salem, Illinois, with an average temperature fluctuating between 38.8°F (3.8°C) and 25°F (-3.9°C). February brings a marginal elevation to a still icy 38.8°F (3.8°C) from January's 33.8°F (1°C) in New Salem's average high-temperatures. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in New Salem, Illinois, with an average temperature ranging between max 51.4°F (10.8°C) and min 36°F (2.2°C). March's onset brings a rise in the average high-temperature, moving from a wintry 38.8°F (3.8°C) in February to a cool 51.4°F (10.8°C). Weather in March »
Weather in April
April is an enjoyable spring month in New Salem, Illinois, with an average temperature ranging between max 63.5°F (17.5°C) and min 46°F (7.8°C). As April arrives, a rise in the average high-temperature is observed, moving from a fresh 51.4°F (10.8°C) in March to a comfortable 63.5°F (17.5°C). Weather in April »
Weather in May
May, the last month of the spring in New Salem, is a pleasant month, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 72.3°F (22.4°C). May witnesses a minor rise in the average high-temperature, transitioning from a refreshing 63.5°F (17.5°C) in April to an agreeable 72.3°F (22.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in New Salem, Illinois, with an average temperature varying between 64.6°F (18.1°C) and 82°F (27.8°C). The average high-temperature increases in June, moving from a pleasant 72.3°F (22.4°C) in May to a warm 82°F (27.8°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in New Salem, Illinois, with an average temperature ranging between min 66.7°F (19.3°C) and max 84.4°F (29.1°C). July is the month when New Salem experiences its warmest temperatures, averaging a high of 84.4°F (29.1°C) and a low of 66.7°F (19.3°C). For most parts of July, the heat index is calculated to be a sweltering 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in New Salem, is another warm month, with an average temperature fluctuating between 83.5°F (28.6°C) and 65.5°F (18.6°C). New Salem experiences a recorded average high-temperature of a still warm 83.5°F (28.6°C) in August, closely aligned with July's 84.4°F (29.1°C). Weather in August »
Weather in September
September, the first month of the autumn in New Salem, is also a moderately hot month, with an average temperature fluctuating between 58.6°F (14.8°C) and 78.3°F (25.7°C). New Salem marks the start of September with an average high-temperature of a still moderately hot 78.3°F (25.7°C), hinting at a slight fluctuation from August's 83.5°F (28.6°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in New Salem, Illinois, with temperature in the range of an average high of 64.2°F (17.9°C) and an average low of 47.3°F (8.5°C). A decrease in the average high-temperature is observed during October, shifting from a moderately hot 78.3°F (25.7°C) in September to a refreshing 64.2°F (17.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in New Salem, Illinois, with an average temperature varying between 36.3°F (2.4°C) and 50.9°F (10.5°C). Setting in of November comes with a decrease in the average high-temperature, moving from a comfortable 64.2°F (17.9°C) in October to a fresh 50.9°F (10.5°C). Weather in November »
Weather in December
December, the first month of the winter in New Salem, is also a wintry month, with an average temperature fluctuating between 27.9°F (-2.3°C) and 39°F (3.9°C). December is characterized by a reduction in the average high-temperature, from a cool 50.9°F (10.5°C) in November to an icy 39°F (3.9°C). Weather in December »
Updated: Jul 11, 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 part of the year is the coldest?
January is the coldest month, exhibiting average temperatures of 33.8°F (1°C) at the peak and 21.6°F (-5.8°C) at the base.
How many days does it rain?
In New Salem, during the entire year, the rain falls for 128.8 days and collects up to 18.35" (466mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
What is the snowiest month in New Salem?
January is the month with the most snowfall. Snow falls for 6.3 days and accumulates 2.05" (52mm) of snow.
How many days does it snow?
Throughout the year, there are 21.9 snowfall days, and 5.67" (144mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.4h of sunshine.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the driest month?
February is the month with the least rainfall. Rain falls for 5.8 days and accumulates 0.75" (19mm) of precipitation.
When is Daylight Saving Time (DST) in New Salem?
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 May, when the rain falls for 16.8 days and typically aggregates up to 2.44" (62mm) of precipitation.
When it does not snow?
In New Salem, snow does not fall in May through October.
What is the most humid month?
June and July, with an average relative humidity of 81%, are most humid months.
When are the longest days?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What is the month with the most sunshine?
June and July, with an average of 10.3h of sunshine, are months with the most sunshine.
What is the month with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest?
July is the month that records the highest temperatures, with averages ranging from a high of 84.4°F (29.1°C) to a low of 66.7°F (19.3°C).
What is the least humid month?
October is the least humid month, with an average relative humidity of 71%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
New Salem, IL
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (33.8°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
New Salem, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
New Salem, IL
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.7mph - Average wind speed in April:
9.8mph - Average wind speed in May:
7.9mph - Average wind speed in June:
7mph
- Average wind speed in July:
6mph - Average wind speed in August:
6.2mph - Average wind speed in September:
6.8mph - Average wind speed in October:
8.5mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.4mph
The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity
New Salem, IL
The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
New Salem, IL
- Average rainfall in January:
0.87" - Average rainfall in February:
0.75" - Average rainfall in March:
1.5" - Average rainfall in April:
1.89" - Average rainfall in May:
2.44" - Average rainfall in June:
2.36"
- Average rainfall in July:
1.69" - Average rainfall in August:
1.85" - Average rainfall in September:
1.65" - Average rainfall in October:
1.5" - Average rainfall in November:
0.98" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days
New Salem, IL
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
13.5 days - Average rainfall days in August:
12.4 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
10 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).
Average snowfall
New Salem, IL
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
New Salem, IL
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
5.5 days - Average snowfall days in March:
3.5 days - Average snowfall days in April:
0.7 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:
1.6 days - Average snowfall days in December:
4.2 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
New Salem, 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:
14h and 5min
- 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: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 3min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
New Salem, IL
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
18 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
16.4 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
20.7 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is June (12.3 days).
Average UV index
New Salem, 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
New Salem, IL
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility
New Salem, 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).
New Salem, Illinois, USA
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