Climate and monthly weather forecastDurham, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Durham, Illinois, is another subzero cold winter month, with an average temperature ranging between min 18.7°F (-7.4°C) and max 30.9°F (-0.6°C). January, with average temperatures reaching a high of 30.9°F (-0.6°C) and a low of 18.7°F (-7.4°C), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is an icy month in Durham, Illinois, with temperature in the range of an average high of 35.8°F (2.1°C) and an average low of 22.3°F (-5.4°C). The onset of February brings an average high-temperature of a wintry 35.8°F (2.1°C), nearly matching the January temperature. Weather in February »Weather in March
March, the first month of the spring in Durham, is a chilly month, with an average temperature ranging between min 34.2°F (1.2°C) and max 49.6°F (9.8°C). The start of March signals an increase in the average high-temperature, moving from an icy 35.8°F (2.1°C) in February to a chilly 49.6°F (9.8°C). Weather in March »Weather in April
April in Durham, Illinois, is a refreshing spring month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 61.3°F (16.3°C). With the onset of April, Durham sees a temperature rise, with the average high-temperature moving from March's chilly 49.6°F (9.8°C) to an enjoyable 61.3°F (16.3°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Durham, Illinois, with an average temperature fluctuating between 54.9°F (12.7°C) and 71.6°F (22°C). May's arrival is marked by an increase in the average high-temperature, moving from an enjoyable 61.3°F (16.3°C) in April to a pleasant 71.6°F (22°C). Weather in May »Weather in June
June, the first month of the summer in Durham, is a moderately hot month, with an average temperature varying between 80.4°F (26.9°C) and 63.7°F (17.6°C). Durham's transition into June brings a slight rise in the average high-temperature, moving from a pleasant 71.6°F (22°C) in May to a warm 80.4°F (26.9°C). Weather in June »Weather in July
July, like June, in Durham, Illinois, is another warm summer month, with an average temperature varying between 66.2°F (19°C) and 82.6°F (28.1°C). The temperatures reach their highest averages in July, with highs of 82.6°F (28.1°C) and lows of 66.2°F (19°C). The average heat index in July is calculated to be a tropical 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Durham, is another warm month, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 82.2°F (27.9°C). The transition from July to August sees an average high-temperature of a still warm 82.2°F (27.9°C), indicating a minor variance from the prior month. Weather in August »Weather in September
September, the first month of the autumn in Durham, is still a warm month, with an average temperature varying between 76.8°F (24.9°C) and 57.4°F (14.1°C). With the arrival of September, Durham experiences a modest decline in average high-temperatures, transitioning from 82.2°F (27.9°C) in August to a still moderately hot 76.8°F (24.9°C). Weather in September »Weather in October
October, like September, in Durham, Illinois, is another comfortable autumn month, with an average temperature fluctuating between 46°F (7.8°C) and 63°F (17.2°C). The average high-temperature decreases in October, shifting from a moderately hot 76.8°F (24.9°C) in September to a comfortable 63°F (17.2°C). Weather in October »Weather in November
November, the last month of the autumn in Durham, is also a frosty month, with an average temperature fluctuating between 48.9°F (9.4°C) and 34.7°F (1.5°C). As October transitions into November, Durham sees a drop in the average high-temperature, transitioning from a comfortable 63°F (17.2°C) to a chilly 48.9°F (9.4°C). Weather in November »Weather in December
December, the first month of the winter in Durham, is also an icy month, with an average temperature ranging between max 37°F (2.8°C) and min 25.5°F (-3.6°C). A shift in the average high-temperature occurs in December, reducing from a chilly 48.9°F (9.4°C) in November to a wintry 37°F (2.8°C). Weather in December »Updated: Feb 12, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With average temperatures fluctuating between a high of 30.9°F (-0.6°C) and a low of 18.7°F (-7.4°C), January stands out as the coldest month in Durham.
January is the month with the least rainfall in Durham. Rain falls for 4.3 days and accumulates 0.83" (21mm) of precipitation.
Throughout the year, in Durham, Illinois, there are 127.6 rainfall days, and 21.02" (534mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
The month with the most snowfall in Durham is January, when snow falls for 8.5 days and typically aggregates up to 3.15" (80mm) of snow.
In Durham, during the entire year, snow falls for 26.4 days and aggregates up to 9.06" (230mm) of snow.
With an average of 4.1h of sunshine, January has the least sunshine of the year in Durham.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
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 in Durham. Rain falls for 17.5 days and accumulates 3.11" (79mm) of precipitation.
May through September are months without snowfall in Durham, Illinois.
With an average of 15h and 0min of daylight, June has the longest days of the year in Durham, Illinois.
The months with the most sunshine in Durham, Illinois, are June and July, with an average of 10h of sunshine.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
July, on average, is the warmest month, registering a high temperature of 82.6°F (28.1°C) and a low of 66.2°F (19°C).
With an average relative humidity of 83%, July is the most humid month in Durham, Illinois.
October is the least humid month in Durham, with an average relative humidity of 71%.
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Durham, IL
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (30.9°F).
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure
Durham, 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:
29.93"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:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Durham, IL
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.2mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity
Durham, IL
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Durham, IL
- Average rainfall in January:
0.83" - Average rainfall in February:
1.1" - Average rainfall in March:
1.69" - Average rainfall in April:
2.4" - Average rainfall in May:
3.11" - Average rainfall in June:
2.44"
- Average rainfall in July:
2.13" - Average rainfall in August:
1.69" - Average rainfall in September:
1.77" - Average rainfall in October:
1.46" - Average rainfall in November:
1.42" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days
Durham, IL
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
11.7 days - Average rainfall days in September:
10.2 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
7.9 days - Average rainfall days in December:
5.6 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).
Average snowfall
Durham, IL
The month with the highest snowfall is January (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Durham, IL
- Average snowfall days in January:
8.5 days - Average snowfall days in February:
6.2 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.7 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:
0.3 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5.4 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Durham, IL
- Average daylight in January:
9h and 42min - 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 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - 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 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 24min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 42min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Durham, IL
- Average sunshine days in January:
19.7 days - Average sunshine days in February:
17.6 days - Average sunshine days in March:
15.5 days - Average sunshine days in April:
15.1 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
14.4 days - Average sunshine days in August:
17.2 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
20 days
The month with the most sunshine days is December (20 days).
The months with the least sunshine days are May and June (11.8 days).
Average UV index
Durham, 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
Durham, IL
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility
Durham, 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).
