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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
Weather in January
January, the same as December, in Union Hill, Illinois, is another subzero cold winter month, with an average temperature varying between 30°F (-1.1°C) and 18.3°F (-7.6°C). Union Hill records the coldest temperatures in January, averaging a high of 30°F (-1.1°C) and a low of 18.3°F (-7.6°C). Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Union Hill, Illinois, with an average temperature fluctuating between 34.2°F (1.2°C) and 21.6°F (-5.8°C). Union Hill marks the arrival of February with an average high-temperature of a cold 34.2°F (1.2°C), hardly different from January's 30°F (-1.1°C). Weather in February »
Weather in March
March, the first month of the spring in Union Hill, is a frosty month, with temperature in the range of an average high of 47.3°F (8.5°C) and an average low of 33.3°F (0.7°C). The shift into March is characterized by a rise in the average high-temperature, transitioning from February's icy 34.2°F (1.2°C) to a frosty 47.3°F (8.5°C). Weather in March »
Weather in April
April in Union Hill, Illinois, is a moderate spring month, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 59.5°F (15.3°C). As April arrives, Union Hill's weather shows an increase in high-temperatures, moving from March's chilly 47.3°F (8.5°C) to a refreshing 59.5°F (15.3°C). Weather in April »
Weather in May
May, the last month of the spring in Union Hill, is a pleasant month, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 71.2°F (21.8°C). May brings a temperature change, with average high-temperatures moving from April's refreshing 59.5°F (15.3°C) to a pleasant 71.2°F (21.8°C). Weather in May »
Weather in June
June, the first month of the summer in Union Hill, is a warm month, with an average temperature varying between 62.2°F (16.8°C) and 79.3°F (26.3°C). Union Hill observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's pleasant 71.2°F (21.8°C) to a warm 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Union Hill, Illinois, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 64.2°F (17.9°C). Union Hill notes the warmest temperatures in July, with a high average of 81.1°F (27.3°C) and a low of 64.2°F (17.9°C). July's heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Union Hill, Illinois, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 62.6°F (17°C). The shift into August records an average high-temperature of a still moderately hot 79.7°F (26.5°C), subtly varied from July's 81.1°F (27.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Union Hill, Illinois, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 75°F (23.9°C). August's transformation into September witnesses an average high-temperature of a still warm 75°F (23.9°C), noting a minor change from the preceding month. Weather in September »
Weather in October
October, like September, in Union Hill, Illinois, is another enjoyable autumn month, with temperature in the range of an average low of 46.8°F (8.2°C) and an average high of 61.9°F (16.6°C). October implies a gentle temperature shift, with average high-temperatures reducing from September's moderately hot 75°F (23.9°C) to a comfortable 61.9°F (16.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Union Hill, is another chilly month, with temperature in the range of an average high of 47.5°F (8.6°C) and an average low of 34.9°F (1.6°C). The shift into November is marked by a noticeable reduction in the average high-temperature, decreasing from October's refreshing 61.9°F (16.6°C) to a frosty 47.5°F (8.6°C). Weather in November »
Weather in December
December, the first month of the winter in Union Hill, is still a cold month, with an average temperature ranging between max 36.3°F (2.4°C) and min 26.1°F (-3.3°C). December indicates a shift in the average high-temperature, from November's chilly 47.5°F (8.6°C) to a cold 36.3°F (2.4°C). Weather in December »
Updated: Aug 25, 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?
January, with its high-temperature average of 30°F (-1.1°C) and a low-temperature average of 18.3°F (-7.6°C), is the coldest month.
How much does it rain?
In Union Hill, during the entire year, the rain falls for 142.1 days and collects up to 22.56" (573mm) of precipitation.
When does it snow?
Months with snowfall are January through April, October through December.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 11.7 days and accumulates 2.17" (55mm) of snow.
How many days does it snow?
In Union Hill, during the entire year, snow falls for 39 days and aggregates up to 9.02" (229mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.8h of sunshine.
What are the months with the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the driest month?
The month with the least rainfall is February, when the rain falls for 5 days and typically collects 1.06" (27mm) of precipitation.
When is Daylight Saving Time (DST) in Union Hill?
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.
What is the wettest month?
The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 3.27" (83mm) of precipitation.
When it does not snow in Union Hill?
May through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What is the month with the most sunshine?
June and July, with an average of 9.7h of sunshine, are months with the most sunshine.
What are the months with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What is the hottest time of year?
Union Hill's warmest temperatures are experienced in July, with average high temperatures of 81.1°F (27.3°C) and lows of 64.2°F (17.9°C).
What is the most humid month?
The most humid month is July, with an average relative humidity of 85%.
What is the least humid month?
The least humid month in Union Hill is October, with an average relative humidity of 72%.
What is the month with the shortest days?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Union Hill, IL
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30°F).
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure
Union Hill, IL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"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:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Union Hill, IL
- Average wind speed in January:
10.2mph - Average wind speed in February:
10mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10.2mph - Average wind speed in May:
8.7mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.2mph - Average wind speed in October:
9mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.6mph
The windiest months (with the highest average wind speed) are January and April (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Union Hill, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Union Hill, IL
- Average rainfall in January:
1.14" - Average rainfall in February:
1.06" - Average rainfall in March:
1.5" - Average rainfall in April:
2.28" - Average rainfall in May:
3.27" - Average rainfall in June:
2.76"
- Average rainfall in July:
2.4" - Average rainfall in August:
2.24" - Average rainfall in September:
1.57" - Average rainfall in October:
2.01" - Average rainfall in November:
1.18" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days
Union Hill, IL
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
5 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
15 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
11 days - Average rainfall days in November:
7.9 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (5 days).
Average snowfall
Union Hill, IL
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Union Hill, IL
- Average snowfall days in January:
11.7 days - Average snowfall days in February:
9.1 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
1.4 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:
0.4 days - Average snowfall days in November:
2.7 days - Average snowfall days in December:
8.5 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Union Hill, IL
- Average daylight in January:
9h and 4min - 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 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Union Hill, IL
- Average sunshine days in January:
15.1 days - Average sunshine days in February:
14 days - Average sunshine days in March:
15 days - Average sunshine days in April:
11.6 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
10 days
- Average sunshine days in July:
9.3 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
17.1 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index
Union Hill, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Union Hill, IL
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility
Union Hill, IL
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Union Hill, Illinois, USA
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