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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, like December, is a freezing cold winter month in Spring Valley, Illinois, with an average temperature varying between 28.9°F (-1.7°C) and 16.9°F (-8.4°C). January, known for its average high temperature of 28.9°F (-1.7°C) and an average low temperature of 16.9°F (-8.4°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Spring Valley, Illinois, with an average temperature varying between 20.3°F (-6.5°C) and 33.4°F (0.8°C). The onset of February notes an average high-temperature of a cold 33.4°F (0.8°C), subtly shifted from January's 28.9°F (-1.7°C). Weather in February »
Weather in March
March, the first month of the spring in Spring Valley, is a frosty month, with an average temperature varying between 47.1°F (8.4°C) and 32.5°F (0.3°C). Spring Valley in March shows a temperature shift, moving from an average high of a cold 33.4°F (0.8°C) in February to a chilly 47.1°F (8.4°C). Weather in March »
Weather in April
April is a refreshing spring month in Spring Valley, Illinois, with temperature in the range of an average high of 59°F (15°C) and an average low of 42.4°F (5.8°C). The arrival of April brings a change in Spring Valley's weather, with average high-temperatures moving from March's chilly 47.1°F (8.4°C) to a moderate 59°F (15°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Spring Valley, Illinois, with an average temperature fluctuating between 71.1°F (21.7°C) and 53.6°F (12°C). The arrival of May brings a change in Spring Valley's weather, with average high-temperatures moving from April's moderate 59°F (15°C) to an agreeable 71.1°F (21.7°C). Weather in May »
Weather in June
June, the first month of the summer in Spring Valley, is a warm month, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 78.6°F (25.9°C). June showcases a minor temperature ascent, adjusting from May's pleasant 71.1°F (21.7°C) to a moderately hot 78.6°F (25.9°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Spring Valley, Illinois, with an average temperature fluctuating between 80.8°F (27.1°C) and 64.2°F (17.9°C). In Spring Valley, temperatures reach their average annual highs in July, measuring 80.8°F (27.1°C) and a minimum average of 64.2°F (17.9°C). July's heat index is computed to be a hot 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Spring Valley, Illinois, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 79.7°F (26.5°C). The start of August sees the average high-temperature at a still moderately hot 79.7°F (26.5°C), showing little difference from July's 80.8°F (27.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Spring Valley, Illinois, with an average temperature varying between 56.1°F (13.4°C) and 74.7°F (23.7°C). As Spring Valley welcomes September, the average high-temperature stabilizes at a still warm 74.7°F (23.7°C), showing little deviation from August's 79.7°F (26.5°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Spring Valley, Illinois, with an average temperature ranging between min 45.7°F (7.6°C) and max 61.7°F (16.5°C). In Spring Valley, the average high-temperature in October drops from a moderately hot 74.7°F (23.7°C) in September to an enjoyable 61.7°F (16.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Spring Valley, Illinois, with an average temperature ranging between max 46.8°F (8.2°C) and min 33.6°F (0.9°C). As Spring Valley transitions into November, the average high-temperature shows a marked reduction, decreasing from an enjoyable 61.7°F (16.5°C) in October to a frosty 46.8°F (8.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Spring Valley, Illinois, with an average temperature varying between 34.7°F (1.5°C) and 24.4°F (-4.2°C). The onset of December entails a temperature shift, as the average high-temperature decreases from a frosty 46.8°F (8.2°C) in November to an icy 34.7°F (1.5°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Spring Valley?
January is the month that records the lowest temperatures, with averages ranging from a high of 28.9°F (-1.7°C) to a low of 16.9°F (-8.4°C).
What is the driest month in Spring Valley?
The months with the least rainfall in Spring Valley, Illinois, are January and December Rain falls for 5.9 days and accumulates 1.61" (41mm) of rain.
How many days does it rain in Spring Valley?
Throughout the year, there are 152.7 rainfall days, and 30.79" (782mm) of precipitation is accumulated.
When does it snow in Spring Valley?
January through April, October through December are months with snowfall in Spring Valley.
What is the snowiest month in Spring Valley?
The month with the most snowfall in Spring Valley is January, when snow falls for 11.9 days and typically aggregates up to 4.09" (104mm) of snow.
How much does it snow in Spring Valley?
In Spring Valley, during the entire year, snow falls for 39.5 days and aggregates up to 15.31" (389mm) of snow.
What is the month with the least sunshine in Spring Valley?
January has the least sunshine of the year in Spring Valley, Illinois, with an average of 3.9h of sunshine.
What are the months with the lowest UV index in Spring Valley?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
When is Daylight Saving Time (DST) in Spring Valley?
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 in Spring Valley?
The month with the most rainfall is May, when the rain falls for 18.9 days and typically aggregates up to 4.69" (119mm) of precipitation.
When it does not snow in Spring Valley?
May through September are months without snowfall.
When are the longest days in Spring Valley?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What are the months with the most sunshine in Spring Valley?
The months with the most sunshine in Spring Valley, Illinois, are June through August, with an average of 9.8h of sunshine.
When is the highest UV index in Spring Valley?
The months with the highest UV index in Spring Valley, Illinois, are June through August, with an average maximum UV index of 6.
What part of the year is the hottest in Spring Valley?
With average temperatures fluctuating between a high of 80.8°F (27.1°C) and a low of 64.2°F (17.9°C), July stands out as the warmest month in Spring Valley, Illinois.
What is the most humid month in Spring Valley?
The most humid month is July, with an average relative humidity of 85%.
What is the least humid month in Spring Valley?
The least humid month in Spring Valley is October, with an average relative humidity of 72%.
What is the month with the shortest days in Spring Valley?
The month with the shortest days in Spring Valley is December, with an average of 9h and 18min of daylight.
Average temperature
Spring Valley, IL
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.9°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 (16.9°F).
Average pressure
Spring Valley, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"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:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Spring Valley, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.2mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Spring Valley, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Spring Valley, IL
- Average rainfall in January:
1.61" - Average rainfall in February:
1.69" - Average rainfall in March:
2.2" - Average rainfall in April:
3.82" - Average rainfall in May:
4.69" - Average rainfall in June:
3.27"
The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and December (1.61").
Average rainfall days
Spring Valley, IL
- Average rainfall days in January:
5.9 days - Average rainfall days in February:
6.5 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
17.1 days - Average rainfall days in May:
18.9 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall
Spring Valley, IL
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Spring Valley, IL
- Average snowfall days in January:
11.9 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
5.3 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:
0.1 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
2.8 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Spring Valley, 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:
4h and 0min - Average sunshine in March:
6h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Spring Valley, IL
- Average sunshine days in January:
14 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
10.2 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (10.2 days).
Average UV index
Spring Valley, 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 and December (UV index 1).
Average cloud cover
Spring Valley, IL
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility
Spring Valley, IL
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Spring Valley, Illinois, USA
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