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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 Effner, Illinois, with an average temperature fluctuating between 18.9°F (-7.3°C) and 30.7°F (-0.7°C). Effner's temperature records reveal January as the coldest month, marked by average highs of 30.7°F (-0.7°C) and lows of 18.9°F (-7.3°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Effner, Illinois, with temperature in the range of an average high of 35.1°F (1.7°C) and an average low of 22.3°F (-5.4°C). February brings an average high-temperature of an icy 35.1°F (1.7°C), nearly identical to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Effner, Illinois, with an average temperature fluctuating between 33.4°F (0.8°C) and 47.8°F (8.8°C). Effner's March weather shows an increase in high-temperatures, moving from February's cold 35.1°F (1.7°C) to a frosty 47.8°F (8.8°C). Weather in March »
Weather in April
April is a moderate spring month in Effner, Illinois, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 59.4°F (15.2°C). The average high-temperature increases in April, moving from a chilly 47.8°F (8.8°C) in March to a refreshing 59.4°F (15.2°C). Weather in April »
Weather in May
May, the last month of the spring in Effner, is an agreeable month, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 54.5°F (12.5°C). Effner's transition into May sees a rise in the average high-temperature, advancing from a moderate 59.4°F (15.2°C) in April to an agreeable 71.4°F (21.9°C). Weather in May »
Weather in June
June, the first month of the summer in Effner, is a warm month, with an average temperature ranging between min 62.4°F (16.9°C) and max 79.3°F (26.3°C). The start of June is characterized by a subtle increase in the average high-temperature, transitioning from an agreeable 71.4°F (21.9°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Effner, Illinois, with an average temperature varying between 64.2°F (17.9°C) and 81°F (27.2°C). The warmest time of the year is July, with temperatures averaging a high of 81°F (27.2°C) and a low of 64.2°F (17.9°C). The heat index in July is calculated to be 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 Effner, Illinois, with an average temperature fluctuating between 62.2°F (16.8°C) and 79.5°F (26.4°C). With the onset of August, the average high-temperature stands at a still warm 79.5°F (26.4°C), closely aligned with July's 81°F (27.2°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Effner, Illinois, with an average temperature fluctuating between 75°F (23.9°C) and 56.8°F (13.8°C). In September, Effner's weather conditions record an average high-temperature of a still warm 75°F (23.9°C), demonstrating little divergence from the preceding month. Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Effner, Illinois, with an average temperature varying between 62.2°F (16.8°C) and 46.9°F (8.3°C). Effner's average high-temperature decreases in October, falling from a warm 75°F (23.9°C) in September to an enjoyable 62.2°F (16.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Effner, Illinois, with an average temperature ranging between max 47.8°F (8.8°C) and min 34.7°F (1.5°C). The arrival of November signals a clear decrease in the average high-temperature, falling from a comfortable 62.2°F (16.8°C) in October to a chilly 47.8°F (8.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Effner, Illinois, with an average temperature varying between 26.6°F (-3°C) and 36.7°F (2.6°C). With the onset of December, Effner's average high-temperature adjusts, receding from November's chilly 47.8°F (8.8°C) to a wintry 36.7°F (2.6°C). Weather in December »
Updated: Jul 10, 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?
January is the coldest month, exhibiting average temperatures of 30.7°F (-0.7°C) at the peak and 18.9°F (-7.3°C) at the base.
What is the driest month?
January and February are months with the least rain when the rain falls for 4.9 days and typically aggregates up to 0.79" (20mm) of rain.
How much does it rain?
Throughout the year, there are 140.3 rainfall days, and 17.56" (446mm) of precipitation is accumulated.
When does it snow?
January through April, November and December are months with snowfall.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 10.3 days and accumulates 2.05" (52mm) of snow.
How much does it snow?
Throughout the year, there are 36.9 snowfall days, and 7.56" (192mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3.7h of sunshine.
What is the month with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
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.
What is the wettest month?
May is the month with the most rainfall. Rain falls for 17.5 days and accumulates 2.64" (67mm) of precipitation.
When it does not snow in Effner?
In Effner, Illinois, snow does not fall in May through October.
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?
The months with the most sunshine are June and July, with an average of 9.8h of sunshine.
What are the months with the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What are the warmest months?
Effner's July weather, with an average high temperature of 81°F (27.2°C) and an average low temperature of 64.2°F (17.9°C), tends to be the warmest of 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?
October is the least humid month, 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
Effner, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°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 (18.9°F).
Average pressure
Effner, 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:
29.93"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:
30.11"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 (29.93"Hg).
Average wind speed
Effner, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.6mph - 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:
7.1mph - Average wind speed in October:
9mph - Average wind speed in November:
9.7mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Effner, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Effner, IL
- Average rainfall in January:
0.79" - Average rainfall in February:
0.79" - Average rainfall in March:
1.38" - Average rainfall in April:
1.97" - Average rainfall in May:
2.64" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.01" - Average rainfall in August:
1.73" - Average rainfall in September:
1.1" - Average rainfall in October:
1.14" - Average rainfall in November:
0.87" - Average rainfall in December:
0.91"
The wettest month (with the highest rainfall) is May (2.64").
The driest months (with the least rainfall) are January and February (0.79").
Average rainfall days
Effner, IL
- Average rainfall days in January:
4.9 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
11.2 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
6.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (4.9 days).
Average snowfall
Effner, IL
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Effner, IL
- Average snowfall days in January:
10.3 days - Average snowfall days in February:
8.9 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.3 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:
0.4 days - Average snowfall days in November:
3.2 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Effner, 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 4min - 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 4min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
9h and 5min - 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 2min - Average sunshine in December:
4h and 1min
The months with the most sunshine are June and July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Effner, IL
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
14 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
11 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
9.4 days - Average sunshine days in August:
12.6 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
19 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (9.4 days).
Average UV index
Effner, 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
Effner, IL
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 34).
Average visibility
Effner, 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).
Effner, Illinois, USA
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