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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, in Anna, Illinois, is an icy winter month, with an average temperature fluctuating between 39.7°F (4.3°C) and 26.8°F (-2.9°C). In Anna, the lowest average temperatures are observed in January, with a high of 39.7°F (4.3°C) and a low of 26.8°F (-2.9°C). Weather in January »
Weather in February
February, the last month of the winter in Anna, is a frosty month, with an average temperature varying between 30.4°F (-0.9°C) and 44.6°F (7°C). The dawn of February sees an average high-temperature of a chilly 44.6°F (7°C), subtly contrasting with January's 39.7°F (4.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a moderate month in Anna, Illinois, with temperature in the range of an average high of 55.6°F (13.1°C) and an average low of 39.4°F (4.1°C). The arrival of March brings a change in Anna's weather, with average high-temperatures moving from February's chilly 44.6°F (7°C) to a moderate 55.6°F (13.1°C). Weather in March »
Weather in April
April is a refreshing spring month in Anna, Illinois, with temperature in the range of an average low of 48.9°F (9.4°C) and an average high of 66.6°F (19.2°C). Entering April, Anna sees a temperature rise, with the average high-temperature advancing from March's mild 55.6°F (13.1°C) to a comfortable 66.6°F (19.2°C). Weather in April »
Weather in May
May, the last month of the spring in Anna, is a warm month, with an average temperature fluctuating between 75.7°F (24.3°C) and 58.1°F (14.5°C). In Anna, stepping into May brings a temperature increase, moving up from April's comfortable 66.6°F (19.2°C) to a warm 75.7°F (24.3°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Anna, Illinois, with an average temperature ranging between min 66.2°F (19°C) and max 85.6°F (29.8°C). The rise of average high-temperatures is seen in June, with an increase from 75.7°F (24.3°C) in May to a still warm 85.6°F (29.8°C). Weather in June »
Weather in July
July in Anna, Illinois, is a hot summer month, with an average temperature ranging between min 69.1°F (20.6°C) and max 88.3°F (31.3°C). In Anna, the peak average temperatures are observed in July, with a high of 88.3°F (31.3°C) and a low of 69.1°F (20.6°C). In July, the average heat index is calculated to be an extremely hot 104°F (40°C). Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in Anna, Illinois, with an average temperature fluctuating between 86.5°F (30.3°C) and 66.7°F (19.3°C). Anna in August witnesses an average high-temperature of a still tropical 86.5°F (30.3°C), indicating a slight variation from July's 88.3°F (31.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Anna, Illinois, with temperature in the range of an average low of 60.6°F (15.9°C) and an average high of 81°F (27.2°C). As September begins, there is a minor decrease in the average high-temperature, softly falling from a tropical 86.5°F (30.3°C) in August to a moderately hot 81°F (27.2°C). Weather in September »
Weather in October
October, like September, in Anna, Illinois, is another comfortable autumn month, with an average temperature varying between 49.5°F (9.7°C) and 67.8°F (19.9°C). A decrease in the average high-temperature is observed during October, shifting from a moderately hot 81°F (27.2°C) in September to a comfortable 67.8°F (19.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Anna, Illinois, with an average temperature ranging between max 54.5°F (12.5°C) and min 38.7°F (3.7°C). Setting in of November comes with a decrease in the average high-temperature, moving from an enjoyable 67.8°F (19.9°C) in October to a cool 54.5°F (12.5°C). Weather in November »
Weather in December
December, the first month of the winter in Anna, is still a chilly month, with temperature in the range of an average high of 44.8°F (7.1°C) and an average low of 32.2°F (0.1°C). The arrival of December corresponds with a shift in temperature, down from a fresh 54.5°F (12.5°C) in November to a chilly 44.8°F (7.1°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Anna?
January, with an average high of 39.7°F (4.3°C) and a low of 26.8°F (-2.9°C), signifies the coldest month of the year.
How much does it rain in Anna?
Throughout the year, in Anna, there are 143 rainfall days, and 27.44" (697mm) of precipitation is accumulated.
When does it snow in Anna?
January through April, October through December are months with snowfall in Anna.
How much does it snow in Anna?
Throughout the year, there are 14.9 snowfall days, and 6.06" (154mm) of snow is accumulated.
What are the months with the least sunshine in Anna?
January and February, with an average of 4.6h of sunshine, are months with the least sunshine in Anna, Illinois.
When is the lowest UV index in Anna?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most in Anna?
February is the month with the most snowfall. Snow falls for 3.9 days and accumulates 1.89" (48mm) of snow.
When is Daylight Saving Time (DST) in Anna?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Anna, 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 Anna?
April is the month with the most rainfall in Anna, Illinois. Rain falls for 13.4 days and accumulates 3.31" (84mm) of precipitation.
What is the most humid month in Anna?
The most humid month in Anna is May, with an average relative humidity of 79%.
When it does not snow in Anna?
In Anna, snow does not fall in May through September.
What are the months with the highest UV index in Anna?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days in Anna?
June has the longest days of the year, with an average of 14h and 42min of daylight.
What month is the hottest in Anna?
July is the warmest month of the year in Anna, Illinois, registering average temperatures as high as 88.3°F (31.3°C) and as low as 69.1°F (20.6°C).
What month has the most sunshine in Anna?
The month with the most sunshine in Anna, Illinois, is July, with an average of 10.4h of sunshine.
What is the driest month in Anna?
The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 1.3" (33mm) of precipitation.
What is the least humid month in Anna?
October is the least humid month in Anna, Illinois, with an average relative humidity of 71%.
What is the month with the shortest days in Anna?
With an average of 9h and 36min of daylight, December has the shortest days of the year in Anna.
Average temperature
Anna, IL
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (39.7°F).
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure
Anna, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Anna, IL
- Average wind speed in January:
9mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Anna, IL
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Anna, IL
- Average rainfall in January:
1.57" - Average rainfall in February:
2.24" - Average rainfall in March:
2.48" - Average rainfall in April:
3.31" - Average rainfall in May:
2.95" - Average rainfall in June:
2.87"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.44" - Average rainfall in September:
1.3" - Average rainfall in October:
2.01" - Average rainfall in November:
1.97" - Average rainfall in December:
1.81"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days
Anna, IL
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
9.6 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
8.7 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.4 days).
Average snowfall
Anna, IL
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Anna, IL
- Average snowfall days in January:
4.6 days - Average snowfall days in February:
3.9 days - Average snowfall days in March:
2.2 days - Average snowfall days in April:
0.4 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 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
2.6 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Anna, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 2min - 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 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 3min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days
Anna, IL
- Average sunshine days in January:
18.6 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
21 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
19.6 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (12.8 days).
Average UV index
Anna, IL
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Anna, IL
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility
Anna, IL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Anna, Illinois, USA
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