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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Hillview, Illinois, with an average temperature ranging between max 34.3°F (1.3°C) and min 21.9°F (-5.6°C). The coldest temperatures occur during January, when averages reach a peak of 34.3°F (1.3°C) and a low of 21.9°F (-5.6°C). Weather in January »
Weather in February
February, the last month of the winter in Hillview, is another cold month, with temperature in the range of an average high of 39.4°F (4.1°C) and an average low of 25.3°F (-3.7°C). Hillview observes an average high-temperature of a still icy 39.4°F (4.1°C) in February, barely different from 34.3°F (1.3°C) in January. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Hillview, Illinois, with an average temperature varying between 36.1°F (2.3°C) and 52.2°F (11.2°C). As March arrives, Hillview's weather shows an increase in high-temperatures, moving from February's wintry 39.4°F (4.1°C) to a cool 52.2°F (11.2°C). Weather in March »
Weather in April
April is a refreshing spring month in Hillview, Illinois, with an average temperature varying between 46.2°F (7.9°C) and 63.7°F (17.6°C). April shows a rise in the average high-temperature, moving from March's fresh 52.2°F (11.2°C) to a refreshing 63.7°F (17.6°C). Weather in April »
Weather in May
May, the last month of the spring in Hillview, is a pleasant month, with an average temperature ranging between max 73.2°F (22.9°C) and min 56.1°F (13.4°C). Hillview in May shows a temperature shift, moving from an average high of an enjoyable 63.7°F (17.6°C) in April 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 Hillview, Illinois, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 64.6°F (18.1°C). June marks a minor ascent in the average high-temperature, adjusting from May's agreeable 73.2°F (22.9°C) to a warm 82°F (27.8°C). Weather in June »
Weather in July
July, like June, in Hillview, Illinois, is a moderately hot summer month, with an average temperature ranging between min 67.1°F (19.5°C) and max 84.2°F (29°C). Hillview's temperatures peak on average in July, reaching 84.2°F (29°C) at their highest and 67.1°F (19.5°C) at their lowest. July's heat index is calculated to be a sweltering 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Hillview, is another warm month, with an average temperature ranging between max 83.5°F (28.6°C) and min 65.5°F (18.6°C). The commencement of August records an average high-temperature of a still moderately hot 83.5°F (28.6°C), barely varying from July's 84.2°F (29°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Hillview, Illinois, with an average temperature varying between 78.1°F (25.6°C) and 59.2°F (15.1°C). In Hillview, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's moderately hot 83.5°F (28.6°C) to a still warm 78.1°F (25.6°C). Weather in September »
Weather in October
October, like September, in Hillview, Illinois, is another comfortable autumn month, with an average temperature ranging between min 47.8°F (8.8°C) and max 64.4°F (18°C). The decrease of average high-temperatures is mild in October, with a decline from a warm 78.1°F (25.6°C) in September to an enjoyable 64.4°F (18°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Hillview, Illinois, with an average temperature ranging between max 51.6°F (10.9°C) and min 36.5°F (2.5°C). November weather is marked by a drop in the average high-temperature, falling from an enjoyable 64.4°F (18°C) in October to a cool 51.6°F (10.9°C). Weather in November »
Weather in December
December, the first month of the winter in Hillview, is also an icy month, with temperature in the range of an average low of 28.4°F (-2°C) and an average high of 40.1°F (4.5°C). Hillview's weather changes with the onset of December, slightly falling from a cool 51.6°F (10.9°C) in November to an icy 40.1°F (4.5°C). Weather in December »
Updated: Jun 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
What is the coldest month?
Temperature readings reach their annual highs in January, averaging 34.3°F (1.3°C) and a minimum average of 21.9°F (-5.6°C).
What is the driest month?
The months with the least rainfall are January and November Rain falls for 5.5 days and accumulates 0.83" (21mm) of rain.
How much does it rain?
In Hillview, during the entire year, the rain falls for 127.3 days and collects up to 17.24" (438mm) of precipitation.
When does it snow?
January through April, November and December are months with snowfall.
How much does it snow?
Throughout the year, there are 22.5 snowfall days, and 5.08" (129mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.4h of sunshine.
When is the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 6.4 days and typically aggregates up to 1.69" (43mm) of snow.
When is Daylight Saving Time (DST)?
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.
When it does not snow?
In Hillview, snow does not fall in May through October.
What is the rainiest month in Hillview?
The month with the most rainfall is June, when the rain falls for 13.6 days and typically aggregates up to 2.44" (62mm) of precipitation.
When are the longest days in Hillview?
The month with the longest days is June, with an average of 14h and 54min of daylight.
What month has the most sunshine?
June has the most sunshine of the year, with an average of 10.2h of sunshine.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What are the warmest months?
With an average high-temperature of 84.2°F (29°C) and an average low-temperature of 67.1°F (19.5°C), July is the warmest month.
What is the most humid month?
With an average relative humidity of 81%, July is the most humid month.
What is the least humid month?
October is the least humid month, with an average relative humidity of 71%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Hillview, IL
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34.3°F).
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure
Hillview, 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:
29.95"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:
30.02"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 (29.91"Hg).
Average wind speed
Hillview, IL
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.8mph - Average wind speed in May:
7.9mph - Average wind speed in June:
6.9mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
6mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8.5mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.3mph
The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity
Hillview, IL
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Hillview, IL
- Average rainfall in January:
0.83" - Average rainfall in February:
0.87" - Average rainfall in March:
1.26" - Average rainfall in April:
1.89" - Average rainfall in May:
2.05" - Average rainfall in June:
2.44"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.85" - Average rainfall in September:
1.34" - Average rainfall in October:
1.34" - Average rainfall in November:
0.83" - Average rainfall in December:
0.91"
The wettest month (with the highest rainfall) is June (2.44").
The driest months (with the least rainfall) are January and November (0.83").
Average rainfall days
Hillview, IL
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
12.5 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
13.6 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
12.2 days - Average rainfall days in September:
11 days - Average rainfall days in October:
10 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
6.7 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.5 days).
Average snowfall
Hillview, IL
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Hillview, IL
- Average snowfall days in January:
7.2 days - Average snowfall days in February:
6.4 days - Average snowfall days in March:
2.8 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:
1.5 days - Average snowfall days in December:
4.2 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Hillview, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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 24min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Hillview, IL
- Average sunshine days in January:
19.9 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
15.2 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
20.6 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (12.3 days).
Average UV index
Hillview, 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
Hillview, IL
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility
Hillview, 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).