Climate and monthly weather forecastSublette, IL
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Sublette, Illinois, with temperature in the range of an average high of 27.5°F (-2.5°C) and an average low of 15.1°F (-9.4°C). The lowest temperatures are recorded in January, with averages reaching a high of 27.5°F (-2.5°C) and a low of 15.1°F (-9.4°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Sublette, Illinois, with temperature in the range of an average low of 18.7°F (-7.4°C) and an average high of 31.6°F (-0.2°C). With the transition into February, Sublette notes an average high-temperature of a still freezing cold 31.6°F (-0.2°C), closely resembling January. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Sublette, Illinois, with an average temperature varying between 45.7°F (7.6°C) and 31.3°F (-0.4°C). March brings a rise in Sublette's average high-temperature, moving from a subzero cold 31.6°F (-0.2°C) in February to a chilly 45.7°F (7.6°C). Weather in March »Weather in April
April in Sublette, Illinois, is a moderate spring month, with an average temperature fluctuating between 41°F (5°C) and 57.6°F (14.2°C). In April, the average high-temperature increases from a frosty 45.7°F (7.6°C) in March to a mild 57.6°F (14.2°C). Weather in April »Weather in May
May, the last month of the spring in Sublette, is a pleasant month, with an average temperature fluctuating between 69.4°F (20.8°C) and 52.3°F (11.3°C). May indicates a change in the average high-temperature, moving up from a mild 57.6°F (14.2°C) in April to an agreeable 69.4°F (20.8°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Sublette, Illinois, with an average temperature ranging between max 77.9°F (25.5°C) and min 61.2°F (16.2°C). Sublette observes a slight ascent in average high-temperatures during June, adjusting from an agreeable 69.4°F (20.8°C) in May to a warm 77.9°F (25.5°C). Weather in June »Weather in July
July, like June, in Sublette, Illinois, is another warm summer month, with an average temperature fluctuating between 80.2°F (26.8°C) and 64°F (17.8°C). July, with its high-temperature average of 80.2°F (26.8°C) and a low-temperature average of 64°F (17.8°C), is the warmest month. Weather in July »Weather in August
August, the last month of the summer in Sublette, is also a moderately hot month, with an average temperature varying between 78.6°F (25.9°C) and 61.7°F (16.5°C). Upon the onset of August, Sublette witnesses an average high-temperature of a still warm 78.6°F (25.9°C), showing a close resemblance to the prior month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Sublette, Illinois, with temperature in the range of an average low of 55.2°F (12.9°C) and an average high of 73.8°F (23.2°C). Stepping into September, Sublette records an average high-temperature of a still warm 73.8°F (23.2°C), almost consistent with August. Weather in September »Weather in October
October, the same as September, in Sublette, Illinois, is a moderate autumn month, with an average temperature varying between 60.3°F (15.7°C) and 44.6°F (7°C). October is characterized by a reduction in the average high-temperature, from a warm 73.8°F (23.2°C) in September to a moderate 60.3°F (15.7°C). Weather in October »Weather in November
November, the last month of the autumn in Sublette, is another chilly month, with an average temperature fluctuating between 32.7°F (0.4°C) and 45.5°F (7.5°C). A noticeable downshift in temperatures is seen as October gives way to November, with average highs moving from a refreshing 60.3°F (15.7°C) to a frosty 45.5°F (7.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Sublette, Illinois, with an average temperature ranging between min 23.5°F (-4.7°C) and max 34°F (1.1°C). Sublette's transition into December involves a shift in temperature, receding from a frosty 45.5°F (7.5°C) in November to an icy 34°F (1.1°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
With average temperatures fluctuating between a high of 27.5°F (-2.5°C) and a low of 15.1°F (-9.4°C), January stands out as the coldest month in Sublette, Illinois.
January and July, with an average relative humidity of 85%, are most humid months.
Throughout the year, there are 129.4 rainfall days, and 16.65" (423mm) of precipitation is accumulated.
January through April, October through December are months with snowfall in Sublette, Illinois.
The month with the most snowfall in Sublette, Illinois, is January, when snow falls for 10.4 days and typically aggregates up to 2.32" (59mm) of snow.
In Sublette, during the entire year, snow falls for 36.1 days and aggregates up to 6.97" (177mm) of snow.
With an average of 3.8h of sunshine, January has the least sunshine of the year.
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Sublette.
February is the month with the least rainfall in Sublette, Illinois. Rain falls for 4.4 days and accumulates 0.67" (17mm) of precipitation.
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.
The month with the most rainfall is May, when the rain falls for 16.6 days and typically aggregates up to 2.68" (68mm) of precipitation.
In Sublette, snow does not fall in May through September.
June has the longest days of the year, with an average of 15h and 6min of daylight.
The months with the most sunshine are June and July, with an average of 9.7h of sunshine.
Sublette's temperature records reveal July as the warmest month, marked by average highs of 80.2°F (26.8°C) and lows of 64°F (17.8°C).
July is the month with the highest UV index, with an average maximum UV index of 6.
With an average relative humidity of 73%, October is the least humid month.
December has the shortest days of the year in Sublette, Illinois, with an average of 9h and 12min of daylight.
Average temperature
Sublette, IL
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.5°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure
Sublette, IL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Sublette, IL
- Average wind speed in January:
10.1mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Sublette, IL
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Sublette, IL
- Average rainfall in January:
0.71" - Average rainfall in February:
0.67" - Average rainfall in March:
1.02" - Average rainfall in April:
1.77" - Average rainfall in May:
2.68" - Average rainfall in June:
2.05"
- Average rainfall in July:
1.81" - Average rainfall in August:
1.5" - Average rainfall in September:
1.22" - Average rainfall in October:
1.46" - Average rainfall in November:
0.94" - Average rainfall in December:
0.83"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days
Sublette, IL
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
11 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
5.9 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (4.3 days).
Average snowfall
Sublette, IL
The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Sublette, IL
- Average snowfall days in January:
10.4 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.2 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:
0.4 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Sublette, IL
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - 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 12min
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 48min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 18min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 6min
The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Sublette, IL
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
18.3 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
18.8 days
The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.1 days).
Average UV index
Sublette, IL
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Sublette, IL
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility
Sublette, IL
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
