Climate and monthly weather forecastNew Boston, IL
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in New Boston, Illinois, with temperature in the range of an average high of 28.9°F (-1.7°C) and an average low of 16.7°F (-8.5°C). New Boston experiences its lowest average temperatures in January, reaching a peak of 28.9°F (-1.7°C) and a minimum of 16.7°F (-8.5°C). Weather in January »Weather in February
February, the last month of the winter in New Boston, is an icy month, with an average temperature varying between 34°F (1.1°C) and 20.7°F (-6.3°C). The arrival of February denotes a barely perceptible change in the average high-temperatures to a wintry 34°F (1.1°C) from January's 28.9°F (-1.7°C). Weather in February »Weather in March
March, the first month of the spring in New Boston, is a chilly month, with an average temperature fluctuating between 47.8°F (8.8°C) and 32.7°F (0.4°C). The commencement of March sees a shift in the average high-temperature, moving from a wintry 34°F (1.1°C) in February to a chilly 47.8°F (8.8°C). Weather in March »Weather in April
April is a mild spring month in New Boston, Illinois, with an average temperature varying between 60.1°F (15.6°C) and 43.2°F (6.2°C). With the onset of April, New Boston sees a temperature rise, with the average high-temperature moving from March's frosty 47.8°F (8.8°C) to a mild 60.1°F (15.6°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in New Boston, Illinois, with an average temperature fluctuating between 70.7°F (21.5°C) and 53.8°F (12.1°C). The onset of May brings a temperature shift, with the average high-temperature moving from a mild 60.1°F (15.6°C) in April to an agreeable 70.7°F (21.5°C). Weather in May »Weather in June
June, the first month of the summer in New Boston, is a moderately hot month, with an average temperature varying between 79.5°F (26.4°C) and 63.3°F (17.4°C). The start of June brings a subtle rise in the average high-temperature, moving from an agreeable 70.7°F (21.5°C) in May to a moderately hot 79.5°F (26.4°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in New Boston, Illinois, with an average temperature varying between 82°F (27.8°C) and 64.9°F (18.3°C). In New Boston, the peak average temperatures are observed in July, with a high of 82°F (27.8°C) and a low of 64.9°F (18.3°C). The heat index for July is appraised at a tropical 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in New Boston, is another warm month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 63.3°F (17.4°C). The average high-temperature for August is a still moderately hot 81.1°F (27.3°C), closely aligning with the temperature of the preceding month. Weather in August »Weather in September
September, the first month of the autumn in New Boston, is also a moderately hot month, with an average temperature fluctuating between 56.3°F (13.5°C) and 76.1°F (24.5°C). In New Boston, September's average high-temperature stands at a still warm 76.1°F (24.5°C), closely related to the preceding month. Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in New Boston, Illinois, with an average temperature ranging between max 61.9°F (16.6°C) and min 45.9°F (7.7°C). With October's arrival, New Boston sees a decrease in average high-temperatures, moving from a moderately hot 76.1°F (24.5°C) in September to a comfortable 61.9°F (16.6°C). Weather in October »Weather in November
November, the last month of the autumn in New Boston, is also a frosty month, with an average temperature ranging between max 47.5°F (8.6°C) and min 34°F (1.1°C). As New Boston steps into November, the average high-temperature decreases significantly from the an enjoyable 61.9°F (16.6°C) of October to a chilly 47.5°F (8.6°C). Weather in November »Weather in December
December, the first month of the winter in New Boston, is also an icy month, with an average temperature fluctuating between 35.4°F (1.9°C) and 24.6°F (-4.1°C). The transition into December indicates a reduction in the average high-temperature, down to a wintry 35.4°F (1.9°C) from November's frosty 47.5°F (8.6°C). Weather in December »Updated: Jul 7, 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
January, with its high-temperature average of 28.9°F (-1.7°C) and a low-temperature average of 16.7°F (-8.5°C), is the coldest month.
In New Boston, during the entire year, the rain falls for 146.3 days and collects up to 30.31" (770mm) of precipitation.
January through April, October through December are months with snowfall in New Boston.
The month with the most snowfall is January, when snow falls for 10.1 days and typically aggregates up to 4.49" (114mm) of snow.
In New Boston, during the entire year, snow falls for 34.1 days and aggregates up to 14.69" (373mm) of snow.
January has the least sunshine of the year, with an average of 4.3h of sunshine.
January is the month with the lowest UV index, with an average maximum UV index of 1.
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.
May is the month with the most rainfall. Rain falls for 18.8 days and accumulates 4.65" (118mm) of precipitation.
May through September are months without snowfall.
With an average of 15h and 6min of daylight, June has the longest days of the year.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
July proves to be the warmest month, recording an average peak temperature of 82°F (27.8°C) and a minimum temperature of 64.9°F (18.3°C).
With an average relative humidity of 83%, July is the most humid month.
July has the most sunshine of the year, with an average of 10.3h of sunshine.
With an average relative humidity of 71%, October is the least humid month.
The month with the least rainfall in New Boston is December, when the rain falls for 7.7 days and typically collects 1.42" (36mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
New Boston, IL
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.9°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure
New Boston, IL
- Average pressure in January:
30.14"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:
29.94"Hg - Average pressure in June:
29.9"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:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
New Boston, IL
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
New Boston, IL
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
New Boston, IL
- Average rainfall in January:
1.46" - Average rainfall in February:
1.46" - Average rainfall in March:
2.05" - Average rainfall in April:
3.23" - Average rainfall in May:
4.65" - Average rainfall in June:
4.17"
- Average rainfall in July:
3.07" - Average rainfall in August:
2.13" - Average rainfall in September:
2.44" - Average rainfall in October:
2.4" - Average rainfall in November:
1.85" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is December (1.42").
Average rainfall days
New Boston, IL
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
18.3 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
7.7 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.3 days).
Average snowfall
New Boston, IL
The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
New Boston, IL
- Average snowfall days in January:
10.1 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
4.9 days - Average snowfall days in April:
0.9 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:
0.4 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
7.1 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
New Boston, IL
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 18min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 6min - Average sunshine in September:
9h and 30min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
New Boston, IL
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
8.4 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
18.1 days - Average sunshine days in December:
17.2 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (8.4 days).
Average UV index
New Boston, IL
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
New Boston, IL
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
New Boston, 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).
