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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 Pleasant Plains, Illinois, is another cold winter month, with temperature in the range of an average low of 20.7°F (-6.3°C) and an average high of 32.9°F (0.5°C). January proves to be the coldest month, recording an average maximum temperature of 32.9°F (0.5°C) and a minimum temperature of 20.7°F (-6.3°C). Weather in January »
Weather in February
February, the last month of the winter in Pleasant Plains, is another cold month, with an average temperature fluctuating between 37.9°F (3.3°C) and 24.4°F (-4.2°C). February's weather records an average high-temperature of a still cold 37.9°F (3.3°C), showing little deviation from January. Weather in February »
Weather in March
March, the first month of the spring in Pleasant Plains, is a cool month, with an average temperature fluctuating between 35.2°F (1.8°C) and 50.9°F (10.5°C). The shift from February to March brings an increase in the average high-temperature, moving from an icy 37.9°F (3.3°C) to a cool 50.9°F (10.5°C). Weather in March »
Weather in April
April is a refreshing spring month in Pleasant Plains, Illinois, with an average temperature varying between 63°F (17.2°C) and 46°F (7.8°C). A shift in the average high-temperature is noticeable in April, changing from a fresh 50.9°F (10.5°C) in March to a comfortable 63°F (17.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Pleasant Plains, Illinois, with an average temperature fluctuating between 55.9°F (13.3°C) and 72.9°F (22.7°C). The onset of May brings a temperature shift, with the average high-temperature moving from an enjoyable 63°F (17.2°C) in April to an agreeable 72.9°F (22.7°C). Weather in May »
Weather in June
June, the first month of the summer in Pleasant Plains, is a moderately hot month, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 81°F (27.2°C). With the beginning of June, Pleasant Plains's average high-temperature sees a minor increase, transitioning from an agreeable 72.9°F (22.7°C) in May to a moderately hot 81°F (27.2°C). Weather in June »
Weather in July
July, like June, in Pleasant Plains, Illinois, is a moderately hot summer month, with an average temperature varying between 66°F (18.9°C) and 82.8°F (28.2°C). July is the warmest month, exhibiting average temperatures of 82.8°F (28.2°C) at the peak and 66°F (18.9°C) at the base. For most parts of July, the heat index is estimated at a hot 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Pleasant Plains, Illinois, with an average temperature ranging between max 82°F (27.8°C) and min 64°F (17.8°C). August notes an average high-temperature of a still moderately hot 82°F (27.8°C), subtly differing from July's 82.8°F (28.2°C). Weather in August »
Weather in September
September, the first month of the autumn in Pleasant Plains, is still a warm month, with an average temperature varying between 58.5°F (14.7°C) and 77.4°F (25.2°C). The dawn of September sees an average high-temperature of a still moderately hot 77.4°F (25.2°C), subtly contrasting with August's 82°F (27.8°C). Weather in September »
Weather in October
October, like September, in Pleasant Plains, Illinois, is another refreshing autumn month, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 47.7°F (8.7°C). October brings a minor decrease, with the average high-temperature reducing from a warm 77.4°F (25.2°C) in September to a comfortable 63.9°F (17.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Pleasant Plains, Illinois, with temperature in the range of an average high of 50°F (10°C) and an average low of 36°F (2.2°C). Pleasant Plains in November experiences a subtle temperature decline, with average high-temperatures reducing from an enjoyable 63.9°F (17.7°C) in October to a cool 50°F (10°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Pleasant Plains, Illinois, with an average temperature varying between 38.5°F (3.6°C) and 27.5°F (-2.5°C). Pleasant Plains in December undergoes a mild reduction in the average high-temperature, shifting from November's cool 50°F (10°C) to a wintry 38.5°F (3.6°C). Weather in December »
Updated: Jun 19, 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 part of the year is the coldest?
January is the coldest month of the year, registering average temperatures as high as 32.9°F (0.5°C) and as low as 20.7°F (-6.3°C).
How much does it rain?
Throughout the year, there are 146.4 rainfall days, and 30.67" (779mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 10.3 days and accumulates 4.02" (102mm) of snow.
How much does it snow in Pleasant Plains?
Throughout the year, there are 29.2 snowfall days, and 10.39" (264mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 4.1h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, 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?
May is the month with the most rainfall. Rain falls for 18.3 days and accumulates 3.82" (97mm) of precipitation.
When it does not snow?
In Pleasant Plains, snow does not fall in May through September.
When are the longest days?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What month has the most sunshine?
With an average of 10.2h of sunshine, June has the most sunshine of the year.
When is the highest UV index?
The months with the highest UV index in Pleasant Plains are June through August, with an average maximum UV index of 6.
What month is the hottest?
July is the warmest month of the year, registering average temperatures as high as 82.8°F (28.2°C) and as low as 66°F (18.9°C).
What is the most humid month?
July is the most humid month, with an average relative humidity of 84%.
What is the least humid month?
With an average relative humidity of 70%, October is the least humid month.
What is the driest month in Pleasant Plains?
The month with the least rainfall is December, when the rain falls for 8.1 days and typically collects 1.5" (38mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Pleasant Plains, IL
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.9°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure
Pleasant Plains, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Pleasant Plains, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.6mph - 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:
9.1mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.7mph
The windiest months (with the highest average wind speed) are January, February and April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Pleasant Plains, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Pleasant Plains, IL
- Average rainfall in January:
1.77" - Average rainfall in February:
1.73" - Average rainfall in March:
2.44" - Average rainfall in April:
3.54" - Average rainfall in May:
3.82" - Average rainfall in June:
3.5"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is December (1.5").
Average rainfall days
Pleasant Plains, IL
- Average rainfall days in January:
7.1 days - Average rainfall days in February:
6.2 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
8.1 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (6.2 days).
Average snowfall
Pleasant Plains, IL
The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Pleasant Plains, IL
- Average snowfall days in January:
10.3 days - Average snowfall days in February:
7.6 days - Average snowfall days in March:
3.5 days - Average snowfall days in April:
0.8 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:
0.2 days - Average snowfall days in November:
2 days - Average snowfall days in December:
4.8 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
Pleasant Plains, 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:
15h and 0min
- 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: 15h and 0min).
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 0min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Pleasant Plains, IL
- Average sunshine days in January:
15.2 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
17.6 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Pleasant Plains, 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
Pleasant Plains, IL
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Pleasant Plains, 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).
Pleasant Plains, Illinois, USA
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