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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, is another cold winter month in Garrett, Illinois, with temperature in the range of an average high of 33.4°F (0.8°C) and an average low of 21.6°F (-5.8°C). In Garrett, the lowest average temperatures are observed in January, with a high of 33.4°F (0.8°C) and a low of 21.6°F (-5.8°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Garrett, Illinois, with an average temperature ranging between max 37.9°F (3.3°C) and min 25.2°F (-3.8°C). The weather during February records an average high-temperature of a still icy 37.9°F (3.3°C), closely mirroring the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Garrett, Illinois, with an average temperature ranging between min 35.8°F (2.1°C) and max 50.4°F (10.2°C). The onset of March brings a rise in the average high-temperature, elevating from a cold 37.9°F (3.3°C) in February to a cool 50.4°F (10.2°C). Weather in March »
Weather in April
April is a comfortable spring month in Garrett, Illinois, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 62.2°F (16.8°C). April signals a shift in the average high-temperature, moving from March's fresh 50.4°F (10.2°C) to a refreshing 62.2°F (16.8°C). Weather in April »
Weather in May
May, the last month of the spring in Garrett, is an agreeable month, with temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 56.7°F (13.7°C). The arrival of May sees a shift in the average high-temperature, moving from a comfortable 62.2°F (16.8°C) in April to a pleasant 72.9°F (22.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Garrett, Illinois, with an average temperature varying between 81°F (27.2°C) and 64°F (17.8°C). Garrett in June observes a minor temperature shift, with average high-temperatures adjusting from a pleasant 72.9°F (22.7°C) in May to a warm 81°F (27.2°C). Weather in June »
Weather in July
July, like June, in Garrett, Illinois, is a moderately hot summer month, with an average temperature varying between 65.7°F (18.7°C) and 82°F (27.8°C). Garrett's warmest month, July, generally records average temperatures ranging from a high of 82°F (27.8°C) to a low of 65.7°F (18.7°C). The average heat index in July is estimated at a tropical 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Garrett, is also a moderately hot month, with an average temperature varying between 63.9°F (17.7°C) and 81.1°F (27.3°C). In the transition from July to August, Garrett reports an average high-temperature of a still warm 81.1°F (27.3°C), indicating a close resemblance to the prior month. Weather in August »
Weather in September
September, the first month of the autumn in Garrett, is also a moderately hot month, with an average temperature fluctuating between 58.5°F (14.7°C) and 77.2°F (25.1°C). Garrett's September showcases an average high-temperature of a still moderately hot 77.2°F (25.1°C), hardly distinct from August's 81.1°F (27.3°C). Weather in September »
Weather in October
October, like September, in Garrett, Illinois, is another refreshing autumn month, with an average temperature varying between 63.9°F (17.7°C) and 48°F (8.9°C). During Garrett's transition into October, the average high-temperature lessens, moving from a warm 77.2°F (25.1°C) in September to an enjoyable 63.9°F (17.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Garrett, is also a frosty month, with an average temperature ranging between min 36.1°F (2.3°C) and max 49.6°F (9.8°C). With November's onset, the weather shows a temperature decrease, transitioning from an enjoyable 63.9°F (17.7°C) in October to a frosty 49.6°F (9.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Garrett, Illinois, with temperature in the range of an average high of 38.5°F (3.6°C) and an average low of 28.2°F (-2.1°C). A change in temperatures is noted as November gives way to December, with average highs reducing from a chilly 49.6°F (9.8°C) to a cold 38.5°F (3.6°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
What time of the year is the coldest in Garrett?
Garrett, Illinois, records the coldest temperatures in January, averaging a high of 33.4°F (0.8°C) and a low of 21.6°F (-5.8°C).
How much does it rain in Garrett?
Throughout the year, in Garrett, Illinois, there are 144.2 rainfall days, and 22.4" (569mm) of precipitation is accumulated.
When does it snow in Garrett?
January through April, November and December are months with snowfall.
How many days does it snow in Garrett?
Throughout the year, there are 25.8 snowfall days, and 6.38" (162mm) of snow is accumulated.
What is the month with the least sunshine in Garrett?
With an average of 4.1h of sunshine, January has the least sunshine of the year in Garrett, Illinois.
When is the lowest UV index in Garrett?
The months with the lowest UV index in Garrett, Illinois, are January, February, November and December, with an average maximum UV index of 2.
What is the driest month in Garrett?
February and September are months with the least rain in Garrett when the rain falls for 7.4 days and typically aggregates up to 1.26" (32mm) of rain.
What is the snowiest month in Garrett?
The month with the most snowfall in Garrett, Illinois, is February, when snow falls for 7.1 days and typically aggregates up to 1.89" (48mm) of snow.
When is Daylight Saving Time (DST) in Garrett?
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 rainiest month in Garrett?
The month with the most rainfall is April, when the rain falls for 14.8 days and typically aggregates up to 2.72" (69mm) of precipitation.
When it does not snow in Garrett?
May through October are months without snowfall.
When are the longest days in Garrett?
June has the longest days of the year, with an average of 14h and 54min of daylight.
What month has the most sunshine in Garrett?
With an average of 10.4h of sunshine, June has the most sunshine of the year.
What is the month with the highest UV index in Garrett?
The months with the highest UV index in Garrett are June through August, with an average maximum UV index of 6.
What time of the year is the hottest in Garrett?
July is the warmest month in Garrett, Illinois, with the temperature often reaching an average high of 82°F (27.8°C) and an average low of 65.7°F (18.7°C).
What is the most humid month in Garrett?
The most humid month in Garrett is July, with an average relative humidity of 84%.
What is the least humid month in Garrett?
With an average relative humidity of 70%, October is the least humid month in Garrett.
What is the month with the shortest days in Garrett?
December has the shortest days of the year in Garrett, with an average of 9h and 24min of daylight.
Average temperature
Garrett, IL
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Garrett, IL
- Average pressure in January:
30.15"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:
29.96"Hg - Average pressure in June:
29.93"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 (29.93"Hg).
Average wind speed
Garrett, IL
- Average wind speed in January:
10.8mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.2mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.1mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Garrett, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Garrett, IL
- Average rainfall in January:
1.54" - Average rainfall in February:
1.26" - Average rainfall in March:
1.89" - Average rainfall in April:
2.72" - Average rainfall in May:
2.52" - Average rainfall in June:
2.36"
- Average rainfall in July:
2.17" - Average rainfall in August:
2.05" - Average rainfall in September:
1.26" - Average rainfall in October:
1.93" - Average rainfall in November:
1.42" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is April (2.72").
The driest months (with the least rainfall) are February and September (1.26").
Average rainfall days
Garrett, IL
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
8.5 days
The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall
Garrett, IL
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Garrett, IL
- Average snowfall days in January:
8.2 days - Average snowfall days in February:
7.1 days - Average snowfall days in March:
3 days - Average snowfall days in April:
0.5 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:
1.4 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Garrett, 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 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 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Garrett, IL
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
15 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
12.6 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
19 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
17.1 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (10.8 days).
Average UV index
Garrett, 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
Garrett, IL
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility
Garrett, 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).
Garrett, Illinois, USA
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