Climate and monthly weather forecastPeters Creek, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Peters Creek, Illinois, is an icy winter month, with an average temperature fluctuating between 27.5°F (-2.5°C) and 40.5°F (4.7°C). January is the coldest month of the year, registering average temperatures as high as 40.5°F (4.7°C) and as low as 27.5°F (-2.5°C). Weather in January »Weather in February
February, the last month of the winter in Peters Creek, is a frosty month, with an average temperature ranging between max 45.5°F (7.5°C) and min 31.3°F (-0.4°C). February brings a marginal elevation to a frosty 45.5°F (7.5°C) from January's 40.5°F (4.7°C) in Peters Creek's average high-temperatures. Weather in February »Weather in March
March, the first month of the spring in Peters Creek, is a mild month, with an average temperature varying between 40.3°F (4.6°C) and 55.8°F (13.2°C). As March begins, there is an increase in the average high-temperature, moving from a chilly 45.5°F (7.5°C) in February to a moderate 55.8°F (13.2°C). Weather in March »Weather in April
April in Peters Creek, Illinois, is a refreshing spring month, with an average temperature fluctuating between 48.9°F (9.4°C) and 66.7°F (19.3°C). As March transitions into April, Peters Creek sees a rise in the average high-temperature, moving from 55.8°F (13.2°C) to a still refreshing 66.7°F (19.3°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Peters Creek, Illinois, with an average temperature varying between 58.5°F (14.7°C) and 75.6°F (24.2°C). May's onset brings a subtle temperature rise, moving from a comfortable 66.7°F (19.3°C) in April to a moderately hot 75.6°F (24.2°C). Weather in May »Weather in June
June, the first month of the summer in Peters Creek, is also a moderately hot month, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 66°F (18.9°C). As Peters Creek, Illinois, enters June, the average high-temperature marginally increases from the a moderately hot 75.6°F (24.2°C) of May to a still warm 83.8°F (28.8°C). Weather in June »Weather in July
July is a tropical summer month in Peters Creek, Illinois, with an average temperature ranging between max 86.5°F (30.3°C) and min 68.5°F (20.3°C). The temperatures reach their highest averages in July, with highs of 86.5°F (30.3°C) and lows of 68.5°F (20.3°C). During July, the heat index is computed to be a torrid 100.4°F (38°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Peters Creek, Illinois, with an average temperature fluctuating between 66.7°F (19.3°C) and 85.3°F (29.6°C). In Peters Creek, August's average high-temperature stands at a moderately hot 85.3°F (29.6°C), closely related to the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Peters Creek, is also a moderately hot month, with an average temperature ranging between min 61.3°F (16.3°C) and max 80.4°F (26.9°C). The beginning of September records an average high-temperature of a still moderately hot 80.4°F (26.9°C), almost echoing the conditions of the previous month. Weather in September »Weather in October
October, the same as September, in Peters Creek, Illinois, is an agreeable autumn month, with an average temperature varying between 68°F (20°C) and 50°F (10°C). The shift from September to October involves a decrease in the average high-temperature, dropping from a warm 80.4°F (26.9°C) to an agreeable 68°F (20°C). Weather in October »Weather in November
November, the last month of the autumn in Peters Creek, is another cool month, with an average temperature fluctuating between 39.7°F (4.3°C) and 54.5°F (12.5°C). The transition into November indicates a reduction in the average high-temperature, down to a cool 54.5°F (12.5°C) from October's agreeable 68°F (20°C). Weather in November »Weather in December
December, the first month of the winter in Peters Creek, is still a chilly month, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 33.4°F (0.8°C). The average high-temperature decreases in December, shifting from a cool 54.5°F (12.5°C) in November to a chilly 45.5°F (7.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Peters Creek, IL
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (40.5°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 (27.5°F).
Average pressure
Peters Creek, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"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 (29.95"Hg).
Average wind speed
Peters Creek, IL
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.5mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.4mph - Average wind speed in May:
7.7mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.4mph - Average wind speed in October:
8mph - Average wind speed in November:
8.6mph - Average wind speed in December:
8.8mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
Peters Creek, IL
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Peters Creek, IL
- Average rainfall in January:
1.57" - Average rainfall in February:
3.03" - Average rainfall in March:
2.6" - Average rainfall in April:
2.91" - Average rainfall in May:
2.56" - Average rainfall in June:
2.52"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.24" - Average rainfall in September:
1.3" - Average rainfall in October:
1.81" - Average rainfall in November:
2.13" - Average rainfall in December:
2.05"
The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days
Peters Creek, IL
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
9.9 days - Average rainfall days in March:
14.4 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
14.2 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
10.8 days
The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall
Peters Creek, IL
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Peters Creek, IL
- Average snowfall days in January:
4.5 days - Average snowfall days in February:
4.1 days - Average snowfall days in March:
1.7 days - Average snowfall days in April:
0.3 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:
1.1 days - Average snowfall days in December:
3.2 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Peters Creek, 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 36min - 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 42min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 54min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days
Peters Creek, IL
- Average sunshine days in January:
17.7 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
15 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
12.9 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
20.3 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (12.1 days).
Average UV index
Peters Creek, 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
Peters Creek, IL
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 28).
Average visibility
Peters Creek, 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).





