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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 Arthur, Illinois, is an icy winter month, 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). During the coldest month, January, temperatures average 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
February, the last month of the winter in Arthur, is also an icy month, with an average temperature varying between 37.9°F (3.3°C) and 25.2°F (-3.8°C). With the onset of February, Arthur's average high-temperature clocks in at a still cold 37.9°F (3.3°C), showing a minor fluctuation from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Arthur, Illinois, with an average temperature varying between 50.4°F (10.2°C) and 35.8°F (2.1°C). A rise in the average high-temperature is observed during March, moving from a wintry 37.9°F (3.3°C) in February to a fresh 50.4°F (10.2°C). Weather in March »
Weather in April
April in Arthur, Illinois, is a comfortable spring month, with an average temperature ranging between min 46°F (7.8°C) and max 62.2°F (16.8°C). An escalation in the average high-temperature is seen with the onset of April, moving from a fresh 50.4°F (10.2°C) in March to a refreshing 62.2°F (16.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Arthur, Illinois, with an average temperature varying between 56.7°F (13.7°C) and 72.9°F (22.7°C). May's onset is marked by a temperature increase, 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
June, the first month of the summer in Arthur, is a warm month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 81°F (27.2°C). As Arthur, Illinois, transitions into June, the average high-temperature is observed to slightly rise 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, the same as June, is a moderately hot summer month in Arthur, Illinois, with an average temperature fluctuating between 82°F (27.8°C) and 65.7°F (18.7°C). July stands out as Arthur's warmest month, with temperatures ranging between an average high of 82°F (27.8°C) and a low of 65.7°F (18.7°C). In July, the heat index is estimated at a hot 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Arthur, is also a moderately hot month, with an average temperature varying between 81.1°F (27.3°C) and 63.9°F (17.7°C). The arrival of August marks a slight shift to an average high-temperature of a still moderately hot 81.1°F (27.3°C) from July's 82°F (27.8°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Arthur, Illinois, with an average temperature ranging between max 77.2°F (25.1°C) and min 58.5°F (14.7°C). September's onset sees an average high-temperature of a still moderately hot 77.2°F (25.1°C), exhibiting a slight fluctuation from the previous month. Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Arthur, Illinois, with an average temperature fluctuating between 48°F (8.9°C) and 63.9°F (17.7°C). The shift to October brings a decrease in the average high-temperature, falling from a warm 77.2°F (25.1°C) in September to a refreshing 63.9°F (17.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Arthur, is another chilly month, with an average temperature varying between 36.1°F (2.3°C) and 49.6°F (9.8°C). November shows a mild decline in the average high-temperature, falling from October's refreshing 63.9°F (17.7°C) to a frosty 49.6°F (9.8°C). Weather in November »
Weather in December
December, the first month of the winter in Arthur, is still a cold month, with temperature in the range of an average low of 28.2°F (-2.1°C) and an average high of 38.5°F (3.6°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 »
[Resources]Frequently asked questions
What is the coldest month in Arthur?
January, with its average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C), holds the record as the coldest month.
How much does it rain in Arthur?
Throughout the year, in Arthur, Illinois, there are 144.2 rainfall days, and 22.4" (569mm) of precipitation is accumulated.
When does it snow in Arthur?
January through April, November and December are months with snowfall.
How much does it snow in Arthur?
In Arthur, during the entire year, snow falls for 25.8 days and aggregates up to 6.38" (162mm) of snow.
What is the month with the least sunshine in Arthur?
With an average of 4.1h of sunshine, January has the least sunshine of the year in Arthur, Illinois.
When is the lowest UV index in Arthur?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Arthur.
What is the driest month in Arthur?
February and September are months with the least rain in Arthur when the rain falls for 7.4 days and typically aggregates up to 1.26" (32mm) of rain.
When does it snow the most in Arthur?
The month with the most snowfall in Arthur 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 Arthur?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Arthur, 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 Arthur?
April is the month with the most rainfall. Rain falls for 14.8 days and accumulates 2.72" (69mm) of precipitation.
When it does not snow in Arthur?
May through October are months without snowfall in Arthur.
When are the longest days in Arthur?
June has the longest days of the year in Arthur, with an average of 14h and 54min of daylight.
What month has the most sunshine in Arthur?
With an average of 10.4h of sunshine, June has the most sunshine of the year.
When is the highest UV index in Arthur?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What part of the year is the hottest in Arthur?
Arthur's temperatures tend to reach their peak averages in July, with a high of 82°F (27.8°C) and a low of 65.7°F (18.7°C).
What is the most humid month in Arthur?
The most humid month is July, with an average relative humidity of 84%.
What is the least humid month in Arthur?
October is the least humid month, with an average relative humidity of 70%.
What is the month with the shortest days in Arthur?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Arthur, 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
Arthur, 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
Arthur, 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
Arthur, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Arthur, 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
Arthur, 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
Arthur, 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
Arthur, 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
Arthur, 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
Arthur, 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
Arthur, 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
Arthur, 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
Arthur, 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).
Arthur, Illinois, USA
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