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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, in Jewett, Illinois, is an icy winter month, with an average temperature varying between 34.5°F (1.4°C) and 22.5°F (-5.3°C). January is the month when Jewett experiences its coldest temperatures, averaging a high of 34.5°F (1.4°C) and a low of 22.5°F (-5.3°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Jewett, Illinois, with temperature in the range of an average low of 26.4°F (-3.1°C) and an average high of 39.6°F (4.2°C). The advent of February reveals an average high-temperature of a still wintry 39.6°F (4.2°C), showing minimal difference from the prior month. Weather in February »
Weather in March
March, the first month of the spring in Jewett, is a fresh month, with temperature in the range of an average low of 36.3°F (2.4°C) and an average high of 51.4°F (10.8°C). The arrival of March signals an increase in the average high-temperature, moving from a cold 39.6°F (4.2°C) in February to a cool 51.4°F (10.8°C). Weather in March »
Weather in April
April in Jewett, Illinois, is a refreshing spring month, with an average temperature fluctuating between 46.6°F (8.1°C) and 63°F (17.2°C). April's arrival is marked by an increase in the average high-temperature, moving from a cool 51.4°F (10.8°C) in March to a refreshing 63°F (17.2°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Jewett, Illinois, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 56.8°F (13.8°C). In May, the average high-temperature increases from a comfortable 63°F (17.2°C) in April to an agreeable 73°F (22.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Jewett, Illinois, with an average temperature ranging between min 64.9°F (18.3°C) and max 81.1°F (27.3°C). June witnesses a minor rise in the average high-temperature, transitioning from an agreeable 73°F (22.8°C) in May to a warm 81.1°F (27.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Jewett, Illinois, with an average temperature varying between 82.9°F (28.3°C) and 66.4°F (19.1°C). The month of July sees the highest average temperatures, reaching 82.9°F (28.3°C) at the peak and 66.4°F (19.1°C) at the low. In July, the average heat index is estimated at a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Jewett, is another warm month, with an average temperature fluctuating between 81.7°F (27.6°C) and 64°F (17.8°C). The average high-temperature for August is a still moderately hot 81.7°F (27.6°C), closely aligning with the temperature of the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Jewett, Illinois, with an average temperature fluctuating between 59.2°F (15.1°C) and 77.2°F (25.1°C). The advent of September presents an average high-temperature of a still warm 77.2°F (25.1°C), maintaining a close correlation with the preceding month. Weather in September »
Weather in October
October, like September, in Jewett, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 48.2°F (9°C) and 64.2°F (17.9°C). With the beginning of October, the average high-temperature shows a decrease, transitioning from a warm 77.2°F (25.1°C) in September to a comfortable 64.2°F (17.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Jewett, Illinois, with an average temperature fluctuating between 36.7°F (2.6°C) and 50.5°F (10.3°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's comfortable 64.2°F (17.9°C) to a cool 50.5°F (10.3°C). Weather in November »
Weather in December
December, the first month of the winter in Jewett, is also a wintry month, with an average temperature ranging between min 28.8°F (-1.8°C) and max 39.7°F (4.3°C). A subtle decrease in the average high-temperature marks December, falling from November's fresh 50.5°F (10.3°C) to a wintry 39.7°F (4.3°C). Weather in December »
Updated: Feb 12, 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 in Jewett?
Jewett's coldest month, January, registers temperatures that range from a high of 34.5°F (1.4°C) to a low of 22.5°F (-5.3°C).
How many days does it rain in Jewett?
In Jewett, Illinois, during the entire year, the rain falls for 111.4 days and collects up to 10.31" (262mm) of precipitation.
When does it snow in Jewett?
January through March, October through December are months with snowfall in Jewett.
How much does it snow in Jewett?
In Jewett, Illinois, during the entire year, snow falls for 16.9 days and aggregates up to 2.4" (61mm) of snow.
What is the month with the least sunshine in Jewett?
With an average of 4.2h of sunshine, January has the least sunshine of the year in Jewett, Illinois.
What is the driest month in Jewett?
The months with the least rainfall are February, September and November Rain falls for 5.9 days and accumulates 0.51" (13mm) of rain.
When is Daylight Saving Time (DST) in Jewett?
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 in Jewett?
The month with the most rainfall is April, when the rain falls for 12.2 days and typically aggregates up to 1.3" (33mm) of precipitation.
When it does not snow in Jewett?
April through September are months without snowfall.
When are the longest days in Jewett?
June has the longest days of the year in Jewett, Illinois, with an average of 14h and 54min of daylight.
What month has the most sunshine in Jewett?
The month with the most sunshine in Jewett is June, with an average of 10.5h of sunshine.
What are the months with the highest UV index in Jewett?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest in Jewett?
With average high temperatures of 82.9°F (28.3°C) and lows of 66.4°F (19.1°C), July is the warmest month in Jewett.
What is the most humid month in Jewett?
With an average relative humidity of 83%, July is the most humid month in Jewett, Illinois.
What is the least humid month in Jewett?
October is the least humid month, with an average relative humidity of 71%.
When does it snow the most in Jewett?
December is the month with the most snowfall in Jewett, Illinois. Snow falls for 3.4 days and accumulates 0.87" (22mm) of snow.
What is the month with the shortest days in Jewett?
With an average of 9h and 30min of daylight, December has the shortest days of the year in Jewett.
When is the lowest UV index in Jewett?
With an average maximum UV index of 1, December is the month with the lowest UV index in Jewett.
Average temperature
Jewett, IL
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.5°F).
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure
Jewett, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"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:
30.13"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
Jewett, IL
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.2mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7mph - Average wind speed in October:
9mph - Average wind speed in November:
9.7mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity
Jewett, IL
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Jewett, IL
- Average rainfall in January:
0.79" - Average rainfall in February:
0.51" - Average rainfall in March:
0.87" - Average rainfall in April:
1.3" - Average rainfall in May:
1.18" - Average rainfall in June:
0.98"
- Average rainfall in July:
1.18" - Average rainfall in August:
0.91" - Average rainfall in September:
0.51" - Average rainfall in October:
0.87" - Average rainfall in November:
0.51" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is April (1.3").
The driest months (with the least rainfall) are February, September and November (0.51").
Average rainfall days
Jewett, IL
- Average rainfall days in January:
6.6 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
12.2 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
12 days - Average rainfall days in August:
10.8 days - Average rainfall days in September:
8.6 days - Average rainfall days in October:
7.8 days - Average rainfall days in November:
6.6 days - Average rainfall days in December:
7 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
Jewett, IL
The month with the highest snowfall is December (0.87").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days
Jewett, IL
- Average snowfall days in January:
4.2 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
2.2 days - Average snowfall days in April:
0.4 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:
0.1 days - Average snowfall days in November:
1.3 days - Average snowfall days in December:
3.4 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Jewett, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - 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 3min
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 30min).
- 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 1min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 1min - 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 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Jewett, IL
- Average sunshine days in January:
22.2 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
17.2 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
14.1 days - Average sunshine days in August:
15.9 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
21.4 days - Average sunshine days in November:
21.3 days - Average sunshine days in December:
21.3 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is May (13.8 days).
Average UV index
Jewett, IL
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Jewett, IL
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility
Jewett, IL
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Jewett, Illinois, USA
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