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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 ranging between min 18.9°F (-7.3°C) and max 30.7°F (-0.7°C). January is Effner's coldest month, registering average high temperatures 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 wintry month in Effner, Illinois, with an average temperature ranging between max 35.1°F (1.7°C) and min 22.3°F (-5.4°C). February begins with an average high-temperature of a wintry 35.1°F (1.7°C), reflecting close similarity 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 varying between 33.4°F (0.8°C) and 47.8°F (8.8°C). Effner in March sees a temperature change, with average high-temperatures moving from a wintry 35.1°F (1.7°C) in February to a chilly 47.8°F (8.8°C). Weather in March »
Weather in April
April is a moderate spring month in Effner, Illinois, with an average temperature ranging between min 43.5°F (6.4°C) and max 59.4°F (15.2°C). Effner in April shows a temperature shift, moving from an average high of a chilly 47.8°F (8.8°C) in March to a mild 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 an average temperature varying between 71.4°F (21.9°C) and 54.5°F (12.5°C). Effner's May weather shows an increase in high-temperatures, moving from April's mild 59.4°F (15.2°C) to an agreeable 71.4°F (21.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Effner, Illinois, with an average temperature ranging between min 62.4°F (16.9°C) and max 79.3°F (26.3°C). The beginning of June signals a minor rise in the average high-temperature, moving from an agreeable 71.4°F (21.9°C) in May to a warm 79.3°F (26.3°C). Weather in June »
Weather in July
July, like June, in Effner, Illinois, is a moderately hot summer month, with an average temperature ranging between min 64.2°F (17.9°C) and max 81°F (27.2°C). July is the warmest month, exhibiting average temperatures of 81°F (27.2°C) at the peak and 64.2°F (17.9°C) at the base. The heat index in July is estimated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Effner, Illinois, with an average temperature fluctuating between 79.5°F (26.4°C) and 62.2°F (16.8°C). As July transitions into August, Effner records an average high-temperature of a still moderately hot 79.5°F (26.4°C), showing a gentle shift from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Effner, is also a moderately hot month, with an average temperature varying between 56.8°F (13.8°C) and 75°F (23.9°C). Effner, Illinois, starts September with an average high-temperature of a still moderately hot 75°F (23.9°C), a minor shift from August's 79.5°F (26.4°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Effner, Illinois, with an average temperature fluctuating between 46.9°F (8.3°C) and 62.2°F (16.8°C). Transition from September to October is accompanied by a temperature drop, with average high-temperatures decreasing from a warm 75°F (23.9°C) to a refreshing 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 fluctuating between 47.8°F (8.8°C) and 34.7°F (1.5°C). November brings with it a considerable temperature decrease, with average high-temperatures dropping from October's refreshing 62.2°F (16.8°C) to a chilly 47.8°F (8.8°C). Weather in November »
Weather in December
December, the first month of the winter in Effner, is also a wintry month, with an average temperature fluctuating between 36.7°F (2.6°C) and 26.6°F (-3°C). With December's onset, the average high-temperature recedes from November's chilly 47.8°F (8.8°C) to a cold 36.7°F (2.6°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Effner?
With an average high-temperature of 30.7°F (-0.7°C) and an average low-temperature of 18.9°F (-7.3°C), January is the coldest month.
What is the driest month in Effner?
The months with the least rainfall in Effner, Illinois, are January and February Rain falls for 4.9 days and accumulates 0.79" (20mm) of rain.
How many days does it rain in Effner?
In Effner, Illinois, during the entire year, the rain falls for 140.3 days and collects up to 17.56" (446mm) of precipitation.
When does it snow in Effner?
Months with snowfall in Effner, Illinois, are January through April, November and December.
When does it snow the most in Effner?
The month with the most snowfall in Effner is January, when snow falls for 10.3 days and typically aggregates up to 2.05" (52mm) of snow.
How many days does it snow in Effner?
Throughout the year, in Effner, Illinois, there are 36.9 snowfall days, and 7.56" (192mm) of snow is accumulated.
What is the month with the least sunshine in Effner?
January has the least sunshine of the year, with an average of 3.7h of sunshine.
When is the lowest UV index in Effner?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Effner, Illinois.
When is Daylight Saving Time (DST) in Effner?
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 Effner?
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?
May through October are months without snowfall in Effner.
When are the longest days in Effner?
The month with the longest days in Effner is June, with an average of 15h and 6min of daylight.
What is the month with the most sunshine in Effner?
June and July, with an average of 9.8h of sunshine, are months with the most sunshine.
What is the month with the highest UV index in Effner?
June and July, with an average maximum UV index of 6, are months with the highest UV index in Effner.
What part of the year is the hottest in Effner?
July is Effner's warmest month, registering average high temperatures of 81°F (27.2°C) and lows of 64.2°F (17.9°C).
What is the most humid month in Effner?
With an average relative humidity of 85%, July is the most humid month.
What is the least humid month in Effner?
October is the least humid month, with an average relative humidity of 72%.
What is the month with the shortest days in Effner?
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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