Climate and monthly weather forecastBunker Hill, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Bunker Hill, Illinois, with temperature in the range of an average high of 36°F (2.2°C) and an average low of 23°F (-5°C). Bunker Hill experiences its lowest temperatures in January, with an average peak of 36°F (2.2°C) and a low of 23°F (-5°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Bunker Hill, Illinois, with an average temperature varying between 26.4°F (-3.1°C) and 40.8°F (4.9°C). The unfolding of February shows an average high-temperature of a still cold 40.8°F (4.9°C), indicating a slight variance from January's 36°F (2.2°C). Weather in February »Weather in March
March, the first month of the spring in Bunker Hill, is a fresh month, with an average temperature fluctuating between 36.9°F (2.7°C) and 52.3°F (11.3°C). The transition to March introduces an increase in the average high-temperature, shifting from a wintry 40.8°F (4.9°C) in February to a fresh 52.3°F (11.3°C). Weather in March »Weather in April
April in Bunker Hill, Illinois, is a refreshing spring month, with an average temperature ranging between min 46.6°F (8.1°C) and max 64°F (17.8°C). An increase in the average high-temperature marks April, moving from March's fresh 52.3°F (11.3°C) to a refreshing 64°F (17.8°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Bunker Hill, Illinois, with an average temperature fluctuating between 56.8°F (13.8°C) and 73.9°F (23.3°C). The start of May brings a shift in the average high-temperature, increasing from April's comfortable 64°F (17.8°C) to a moderately hot 73.9°F (23.3°C). Weather in May »Weather in June
June, the first month of the summer in Bunker Hill, is still a warm month, with an average temperature varying between 65.5°F (18.6°C) and 82.8°F (28.2°C). As Bunker Hill, Illinois, enters June, the average high-temperature marginally increases from the 73.9°F (23.3°C) of May to a still moderately hot 82.8°F (28.2°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Bunker Hill, Illinois, with an average temperature fluctuating between 84.4°F (29.1°C) and 67.5°F (19.7°C). July, characterized by an average high temperature of 84.4°F (29.1°C) and a low temperature of 67.5°F (19.7°C), is generally the warmest month. In July, the heat index is evaluated at a torrid 95°F (35°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Bunker Hill, Illinois, with an average temperature fluctuating between 65.5°F (18.6°C) and 83.1°F (28.4°C). With the onset of August, the average high-temperature registers at a still moderately hot 83.1°F (28.4°C), subtly different from July's 84.4°F (29.1°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Bunker Hill, Illinois, with an average temperature ranging between max 78.1°F (25.6°C) and min 59.4°F (15.2°C). The onset of September marks an average high-temperature of a still moderately hot 78.1°F (25.6°C), hardly differing from August's 83.1°F (28.4°C). Weather in September »Weather in October
October, like September, in Bunker Hill, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 65.3°F (18.5°C) and 48.4°F (9.1°C). During the transition into October, Bunker Hill observes a decrease in the average high-temperature, falling from a moderately hot 78.1°F (25.6°C) in September to an enjoyable 65.3°F (18.5°C). Weather in October »Weather in November
November, the last month of the autumn in Bunker Hill, is also a fresh month, with an average temperature ranging between min 37°F (2.8°C) and max 51.8°F (11°C). Bunker Hill in November experiences a subtle temperature decline, with average high-temperatures reducing from a comfortable 65.3°F (18.5°C) in October to a fresh 51.8°F (11°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Bunker Hill, Illinois, with temperature in the range of an average high of 40.8°F (4.9°C) and an average low of 29.3°F (-1.5°C). December's onset brings a reduction in the average high-temperature, from a fresh 51.8°F (11°C) in November to a cold 40.8°F (4.9°C). Weather in December »Updated: Aug 27, 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 is the month when Bunker Hill sees the average lowest temperatures, with a high of 36°F (2.2°C) and a low of 23°F (-5°C).
In Bunker Hill, during the entire year, the rain falls for 115.4 days and collects up to 13.23" (336mm) of precipitation.
January through March, November and December are months with snowfall in Bunker Hill.
January is the month with the most snowfall. Snow falls for 5.1 days and accumulates 0.87" (22mm) of snow.
Throughout the year, there are 17 snowfall days, and 2.99" (76mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 4.4h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the least rainfall. Rain falls for 5.4 days and accumulates 0.55" (14mm) 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.
April through October are months without snowfall.
With an average of 14h and 54min of daylight, June has the longest days of the year.
June has the most sunshine of the year in Bunker Hill, with an average of 10.3h of sunshine.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
July, recognised by an average high temperature of 84.4°F (29.1°C) and a low of 67.5°F (19.7°C), is Bunker Hill's warmest month.
The most humid month is July, with an average relative humidity of 81%.
The month with the most rainfall is August, when the rain falls for 12.3 days and typically aggregates up to 1.77" (45mm) of precipitation.
The least humid month is October, with an average relative humidity of 71%.
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Bunker Hill, 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 (36°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure
Bunker Hill, 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:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"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 (29.92"Hg).
Average wind speed
Bunker Hill, IL
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.5mph - Average wind speed in May:
7.8mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.4mph - Average wind speed in October:
8.3mph - Average wind speed in November:
9.1mph - Average wind speed in December:
9.2mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity
Bunker Hill, IL
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Bunker Hill, IL
- Average rainfall in January:
0.71" - Average rainfall in February:
0.55" - Average rainfall in March:
0.91" - Average rainfall in April:
1.38" - Average rainfall in May:
1.65" - Average rainfall in June:
1.57"
- Average rainfall in July:
1.5" - Average rainfall in August:
1.77" - Average rainfall in September:
0.83" - Average rainfall in October:
1.06" - Average rainfall in November:
0.67" - Average rainfall in December:
0.63"
The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days
Bunker Hill, IL
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.4 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
11.9 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
9.1 days - Average rainfall days in October:
8.3 days - Average rainfall days in November:
7 days - Average rainfall days in December:
5.1 days
The months with the highest number of rainy days are May and July (13.8 days).
The month with the least rainy days is December (5.1 days).
Average snowfall
Bunker Hill, IL
The month with the highest snowfall is January (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Bunker Hill, IL
- Average snowfall days in January:
5.1 days - Average snowfall days in February:
4.6 days - Average snowfall days in March:
2.4 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:
1.2 days - Average snowfall days in December:
3.3 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Bunker Hill, IL
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - 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 6min - Average daylight in December:
9h and 30min
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 24min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Bunker Hill, IL
- Average sunshine days in January:
22.4 days - Average sunshine days in February:
18.8 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
15.6 days - Average sunshine days in May:
15 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
16.5 days - Average sunshine days in September:
18.7 days - Average sunshine days in October:
21.4 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
22.5 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index
Bunker Hill, 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
Bunker Hill, IL
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility
Bunker Hill, 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).
