Climate and monthly weather forecastHarvel, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Harvel, Illinois, with an average temperature varying between 22.6°F (-5.2°C) and 34.7°F (1.5°C). In Harvel, the month of January is known for its lowest average temperatures, reaching a high of 34.7°F (1.5°C) and a low of 22.6°F (-5.2°C). Weather in January »Weather in February
February, the last month of the winter in Harvel, is also a wintry month, with an average temperature varying between 26.4°F (-3.1°C) and 39.7°F (4.3°C). A minimal variation is noted in Harvel's average high-temperature at the onset of February, reaching a still wintry 39.7°F (4.3°C) from January's 34.7°F (1.5°C). Weather in February »Weather in March
March, the first month of the spring in Harvel, is a fresh month, with temperature in the range of an average high of 51.8°F (11°C) and an average low of 36.3°F (2.4°C). The shift into March brings an increase in the average high-temperature, moving from a cold 39.7°F (4.3°C) in February to a cool 51.8°F (11°C). Weather in March »Weather in April
April is a comfortable spring month in Harvel, Illinois, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 63.3°F (17.4°C). The beginning of April marks a shift in the average high-temperature, moving from March's fresh 51.8°F (11°C) to a comfortable 63.3°F (17.4°C). Weather in April »Weather in May
May, the last month of the spring in Harvel, is an agreeable month, with an average temperature fluctuating between 56.8°F (13.8°C) and 73.2°F (22.9°C). With the onset of May, Harvel's average high-temperature sees a rise, moving from April's comfortable 63.3°F (17.4°C) to a pleasant 73.2°F (22.9°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Harvel, Illinois, with an average temperature fluctuating between 65.1°F (18.4°C) and 81.7°F (27.6°C). June's onset brings a subtle temperature rise, moving from a pleasant 73.2°F (22.9°C) in May to a warm 81.7°F (27.6°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Harvel, Illinois, with an average temperature fluctuating between 66.7°F (19.3°C) and 83.5°F (28.6°C). Harvel reaches its highest average temperatures in July, measuring 83.5°F (28.6°C) at the peak and 66.7°F (19.3°C) at the lowest. The heat index in July is calculated to be a tropical 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Harvel, is another warm month, with an average temperature fluctuating between 82°F (27.8°C) and 64.9°F (18.3°C). Transitioning into August, Harvel records an average high-temperature of a still moderately hot 82°F (27.8°C), almost identical to July's 83.5°F (28.6°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Harvel, Illinois, with an average temperature varying between 77.7°F (25.4°C) and 59°F (15°C). The onset of September notes an average high-temperature of a still moderately hot 77.7°F (25.4°C), subtly shifted from August's 82°F (27.8°C). Weather in September »Weather in October
October, like September, in Harvel, Illinois, is another enjoyable autumn month, with an average temperature ranging between min 48.2°F (9°C) and max 64.8°F (18.2°C). The onset of October results in a decrease in the average high-temperature, receding from a moderately hot 77.7°F (25.4°C) in September to a comfortable 64.8°F (18.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Harvel, Illinois, with an average temperature varying between 36.7°F (2.6°C) and 51.3°F (10.7°C). November's arrival corresponds with a decrease in average high-temperatures, from October's enjoyable 64.8°F (18.2°C) to a cool 51.3°F (10.7°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Harvel, Illinois, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 28.8°F (-1.8°C). In the transition to December, Harvel observes a drop in the average high-temperature, moving from a cool 51.3°F (10.7°C) in November to a cold 40.1°F (4.5°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
The coldest month is January, with an average high-temperature of 34.7°F (1.5°C) and an average low-temperature of 22.6°F (-5.2°C).
In Harvel, during the entire year, the rain falls for 145.5 days and collects up to 27.44" (697mm) of precipitation.
January through April, November and December are months with snowfall in Harvel.
Throughout the year, in Harvel, Illinois, there are 23.9 snowfall days, and 8.58" (218mm) of snow is accumulated.
With an average of 4.4h of sunshine, January has the least sunshine of the year.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Harvel, Illinois.
February is the month with the least rainfall. Rain falls for 7.4 days and accumulates 1.5" (38mm) of precipitation.
The month with the most snowfall is February, when snow falls for 6.8 days and typically aggregates up to 2.64" (67mm) of snow.
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 through October are months without snowfall.
June is the month with the most rainfall. Rain falls for 15.6 days and accumulates 3.5" (89mm) of precipitation.
June has the longest days of the year in Harvel, with an average of 14h and 54min of daylight.
The month with the most sunshine in Harvel, Illinois, is June, with an average of 10.5h of sunshine.
June through August, with an average maximum UV index of 6, are months with the highest UV index in Harvel.
Harvel, Illinois, witnesses the warmest weather in July, with temperatures averaging a high of 83.5°F (28.6°C) and a low of 66.7°F (19.3°C).
With an average relative humidity of 82%, July is the most humid month in Harvel, Illinois.
October is the least humid month in Harvel, with an average relative humidity of 71%.
With an average of 9h and 30min of daylight, December has the shortest days of the year in Harvel.
Average temperature
Harvel, IL
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34.7°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure
Harvel, 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:
29.94"Hg - Average pressure in May:
29.96"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:
30.03"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
Harvel, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.2mph - Average wind speed in March:
9.9mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6mph - Average wind speed in August:
6mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity
Harvel, IL
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Harvel, IL
- Average rainfall in January:
1.73" - Average rainfall in February:
1.5" - Average rainfall in March:
2.13" - Average rainfall in April:
3.15" - Average rainfall in May:
3.03" - Average rainfall in June:
3.5"
- Average rainfall in July:
2.56" - Average rainfall in August:
2.68" - Average rainfall in September:
1.77" - Average rainfall in October:
2.13" - Average rainfall in November:
1.65" - Average rainfall in December:
1.61"
The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days
Harvel, IL
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
15.4 days - Average rainfall days in August:
14.2 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
9 days - Average rainfall days in December:
7.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.4 days).
Average snowfall
Harvel, IL
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Harvel, IL
- Average snowfall days in January:
7.4 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.2 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:
0.1 days - Average snowfall days in November:
1.3 days - Average snowfall days in December:
5.3 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Harvel, IL
- Average daylight in January:
9h and 48min - 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 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - 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 36min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 18min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 18min - Average sunshine in October:
6h and 18min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
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 24min).
Average sunshine days
Harvel, IL
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
11.1 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
19 days - Average sunshine days in December:
18.7 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.1 days).
Average UV index
Harvel, 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
Harvel, IL
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July and September (Cloud cover 29).
Average visibility
Harvel, 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).
