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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 Greer, Illinois, is another subzero cold winter month, with temperature in the range of an average high of 31.1°F (-0.5°C) and an average low of 19.6°F (-6.9°C). Temperature records mark January as the coldest month, with highs averaging 31.1°F (-0.5°C) and lows at 19.6°F (-6.9°C). Weather in January »
Weather in February
February, the last month of the winter in Greer, is a cold month, with an average temperature fluctuating between 23.4°F (-4.8°C) and 36°F (2.2°C). The dawn of February sees an average high-temperature of an icy 36°F (2.2°C), subtly contrasting with January's 31.1°F (-0.5°C). Weather in February »
Weather in March
March, the first month of the spring in Greer, is a chilly month, with an average temperature ranging between max 48.7°F (9.3°C) and min 33.8°F (1°C). The arrival of March signals an increase in the average high-temperature, moving from a cold 36°F (2.2°C) in February to a chilly 48.7°F (9.3°C). Weather in March »
Weather in April
April in Greer, Illinois, is a moderate spring month, with an average temperature fluctuating between 44.4°F (6.9°C) and 60.3°F (15.7°C). April brings a temperature change, with average high-temperatures moving from March's chilly 48.7°F (9.3°C) to a refreshing 60.3°F (15.7°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Greer, Illinois, with an average temperature varying between 71.6°F (22°C) and 55°F (12.8°C). Observing a rise in May, the average high-temperature goes from April's mild 60.3°F (15.7°C) to a pleasant 71.6°F (22°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Greer, Illinois, with an average temperature fluctuating between 63°F (17.2°C) and 79.3°F (26.3°C). The start of June signals a slight increase in the average high-temperature, moving from an agreeable 71.6°F (22°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, like June, in Greer, Illinois, is another warm summer month, with an average temperature fluctuating between 64.4°F (18°C) and 81°F (27.2°C). The highest temperatures are recorded in July, with averages reaching a high of 81°F (27.2°C) and a low of 64.4°F (18°C). For most parts of July, the heat index is computed to be a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Greer, is also a moderately hot month, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 80.1°F (26.7°C). The beginning of August records an average high-temperature of a still moderately hot 80.1°F (26.7°C), marking a negligible difference from July's 81°F (27.2°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Greer, Illinois, with an average temperature varying between 57.2°F (14°C) and 75.4°F (24.1°C). September ushers in an average high-temperature of a still moderately hot 75.4°F (24.1°C), aligning closely with the preceding month. Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Greer, Illinois, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 62.8°F (17.1°C). October suggests a modest reduction in the average high-temperature, shifting from a moderately hot 75.4°F (24.1°C) in September to a comfortable 62.8°F (17.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Greer, Illinois, with an average temperature fluctuating between 35.1°F (1.7°C) and 48°F (8.9°C). The drop of average high-temperatures is noticeable in November, with a decrease from a comfortable 62.8°F (17.1°C) in October to a chilly 48°F (8.9°C). Weather in November »
Weather in December
December, the first month of the winter in Greer, is also an icy month, with an average temperature varying between 26.8°F (-2.9°C) and 37.4°F (3°C). The onset of December entails a temperature shift, as the average high-temperature decreases from a chilly 48°F (8.9°C) in November to a wintry 37.4°F (3°C). Weather in December »
Updated: Aug 7, 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 time of year in Greer?
January, having an average high-temperature of 31.1°F (-0.5°C) and an average low-temperature of 19.6°F (-6.9°C), is the coldest month.
How much does it rain?
In Greer, during the entire year, the rain falls for 156 days and collects up to 30.83" (783mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 10.8 days and accumulates 4.06" (103mm) of snow.
How many days does it snow?
In Greer, during the entire year, snow falls for 35.7 days and aggregates up to 13.27" (337mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3.8h of sunshine.
When is Daylight Saving Time (DST) in Greer?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Greer, 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 rainiest month?
The month with the most rainfall is May, when the rain falls for 18.8 days and typically aggregates up to 4.06" (103mm) of precipitation.
When it does not snow?
May through October are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What month has the most sunshine?
With an average of 9.8h of sunshine, June has the most sunshine of the year.
What is the month 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 is the warmest month?
Greer's July weather, marked by an average high temperature of 81°F (27.2°C) and an average low temperature of 64.4°F (18°C), is the warmest in the year.
What is the most humid month?
July is the most humid month, with an average relative humidity of 85%.
What is the least humid month?
With an average relative humidity of 72%, October is the least humid month.
What is the driest month?
The month with the least rainfall is December, when the rain falls for 9.8 days and typically collects 1.73" (44mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
What is the month with the lowest UV index?
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Greer, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure
Greer, 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:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Greer, IL
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.3mph - Average wind speed in October:
9.3mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Greer, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Greer, IL
- Average rainfall in January:
1.89" - Average rainfall in February:
1.77" - Average rainfall in March:
2.83" - Average rainfall in April:
3.7" - Average rainfall in May:
4.06" - Average rainfall in June:
3.46"
- Average rainfall in July:
2.72" - Average rainfall in August:
2.36" - Average rainfall in September:
1.89" - Average rainfall in October:
2.52" - Average rainfall in November:
1.89" - Average rainfall in December:
1.73"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is December (1.73").
Average rainfall days
Greer, IL
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
16 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
14.2 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
12.9 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
9.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall
Greer, IL
The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Greer, IL
- Average snowfall days in January:
10.8 days - Average snowfall days in February:
8.6 days - Average snowfall days in March:
4.7 days - Average snowfall days in April:
1.1 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:
0.2 days - Average snowfall days in November:
2.6 days - Average snowfall days in December:
7.7 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Greer, 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 0min
- 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:
9h and 5min - Average daylight in December:
9h and 2min
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:
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 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 3min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Greer, IL
- Average sunshine days in January:
13.3 days - Average sunshine days in February:
13 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
17.8 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (10.3 days).
Average UV index
Greer, IL
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Greer, IL
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility
Greer, 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).
Greer, Illinois, USA
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