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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
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Atkinson, Illinois, with an average temperature fluctuating between 16°F (-8.9°C) and 28°F (-2.2°C). Atkinson experiences its lowest average temperatures in January, reaching a peak of 28°F (-2.2°C) and a minimum of 16°F (-8.9°C). Weather in January »
Weather in February
The last month of the winter, February, is an icy month in Atkinson, Illinois, with temperature in the range of an average low of 19.8°F (-6.8°C) and an average high of 32.9°F (0.5°C). The introduction of February notes a subtle temperature variation to a wintry 32.9°F (0.5°C) from January's 28°F (-2.2°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Atkinson, Illinois, with an average temperature fluctuating between 46.9°F (8.3°C) and 32.4°F (0.2°C). An increase in the average high-temperature marks March, moving from February's cold 32.9°F (0.5°C) to a chilly 46.9°F (8.3°C). Weather in March »
Weather in April
April in Atkinson, Illinois, is a refreshing spring month, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 59.2°F (15.1°C). As Atkinson enters April, the average high-temperature increases from the a chilly 46.9°F (8.3°C) of March to a moderate 59.2°F (15.1°C). Weather in April »
Weather in May
May, the last month of the spring in Atkinson, is a pleasant month, with an average temperature varying between 70.7°F (21.5°C) and 53.4°F (11.9°C). In Atkinson, the onset of May comes with an increased average high-temperature, moving from April's refreshing 59.2°F (15.1°C) to a pleasant 70.7°F (21.5°C). Weather in May »
Weather in June
June, the first month of the summer in Atkinson, is a moderately hot month, with an average temperature fluctuating between 78.8°F (26°C) and 61.9°F (16.6°C). With the transition into June, Atkinson experiences a subtle uplift in average high-temperatures, adjusting from a pleasant 70.7°F (21.5°C) in May to a warm 78.8°F (26°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Atkinson, Illinois, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 81.1°F (27.3°C). July is Atkinson's warmest month, registering average high temperatures of 81.1°F (27.3°C) and lows of 64.9°F (18.3°C). During July, the heat index is estimated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Atkinson, is also a moderately hot month, with an average temperature varying between 80.2°F (26.8°C) and 62.6°F (17°C). As August takes hold, the average high-temperature is a still moderately hot 80.2°F (26.8°C), nearly mirroring that of the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Atkinson, Illinois, with an average temperature varying between 75.4°F (24.1°C) and 56.3°F (13.5°C). Atkinson notes an average high-temperature of a still moderately hot 75.4°F (24.1°C) in September, displaying minor variation from August. Weather in September »
Weather in October
October, like September, in Atkinson, Illinois, is another comfortable autumn month, with an average temperature ranging between max 61.3°F (16.3°C) and min 45.5°F (7.5°C). As September transitions into October, Atkinson sees a drop in the average high-temperature, transitioning from a moderately hot 75.4°F (24.1°C) to an enjoyable 61.3°F (16.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Atkinson, Illinois, with an average temperature ranging between max 46.9°F (8.3°C) and min 33.1°F (0.6°C). The onset of November marks a clear decrease in the average high-temperature, dropping from an enjoyable 61.3°F (16.3°C) in October to a chilly 46.9°F (8.3°C). Weather in November »
Weather in December
December, the first month of the winter in Atkinson, is still a cold month, with an average temperature varying between 24.1°F (-4.4°C) and 34.5°F (1.4°C). Onset of December witnesses a reduction in the average high-temperature, falling from a chilly 46.9°F (8.3°C) in November to a cold 34.5°F (1.4°C). Weather in December »
Updated: Aug 15, 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 month?
The lowest temperatures are recorded in January, with averages reaching a high of 28°F (-2.2°C) and a low of 16°F (-8.9°C).
What are the most humid months?
January and July, with an average relative humidity of 84%, are most humid months.
What is the driest month?
January and December are months with the least rain when the rain falls for 4.1 days and typically aggregates up to 0.63" (16mm) of rain.
How much does it rain?
In Atkinson, during the entire year, the rain falls for 118.8 days and collects up to 15.04" (382mm) of precipitation.
When does it snow?
Months with snowfall in Atkinson are January through April, October through December.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 9 days and accumulates 2.13" (54mm) of snow.
How much does it snow?
In Atkinson, during the entire year, snow falls for 29.3 days and aggregates up to 6.54" (166mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4h of sunshine.
What is the month with the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
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?
The month with the most rainfall in Atkinson, Illinois, is May, when the rain falls for 16.5 days and typically aggregates up to 2.48" (63mm) of precipitation.
When it does not snow?
In Atkinson, snow does not fall in May through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What are the warmest months?
July, having an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64.9°F (18.3°C), is the warmest month.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10h of sunshine.
What is the month with the highest UV index?
With an average maximum UV index of 6, July is the month with the highest UV index.
What is the least humid month?
With an average relative humidity of 72%, October is the least humid month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Atkinson, IL
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure
Atkinson, IL
- Average pressure in January:
30.13"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:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Atkinson, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.2mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Atkinson, IL
The months with the highest relative humidity are January and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Atkinson, IL
- Average rainfall in January:
0.63" - Average rainfall in February:
0.67" - Average rainfall in March:
1.02" - Average rainfall in April:
1.61" - Average rainfall in May:
2.48" - Average rainfall in June:
1.89"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are January and December (0.63").
Average rainfall days
Atkinson, IL
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
3.9 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
13 days - Average rainfall days in August:
11.1 days - Average rainfall days in September:
9.7 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (3.9 days).
Average snowfall
Atkinson, IL
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Atkinson, IL
- Average snowfall days in January:
9 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.7 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:
0.5 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
5.7 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Atkinson, 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 5min - 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 1min
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 12min).
- Average sunshine in January:
4h - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 4h).
Average sunshine days
Atkinson, IL
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
17.7 days - Average sunshine days in March:
18.3 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
15.5 days - Average sunshine days in August:
17.9 days - Average sunshine days in September:
19 days - Average sunshine days in October:
20 days - Average sunshine days in November:
20.7 days - Average sunshine days in December:
20.9 days
The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is June (12 days).
Average UV index
Atkinson, IL
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Atkinson, IL
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility
Atkinson, 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).