Expand
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, the same as December, in Ellisville, Illinois, is another subzero cold winter month, with an average temperature ranging between max 31.5°F (-0.3°C) and min 19.4°F (-7°C). The coldest month is January, with an average high-temperature of 31.5°F (-0.3°C) and an average low-temperature of 19.4°F (-7°C). Weather in January »
Weather in February
February, the last month of the winter in Ellisville, is a wintry month, with an average temperature varying between 23°F (-5°C) and 36.3°F (2.4°C). The advent of February observes an average high-temperature of a cold 36.3°F (2.4°C), nearly identical to January's 31.5°F (-0.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Ellisville, Illinois, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 34.3°F (1.3°C). The shift from February to March sees an increase in the average high-temperature, transitioning from an icy 36.3°F (2.4°C) to a chilly 49.6°F (9.8°C). Weather in March »
Weather in April
April is a comfortable spring month in Ellisville, Illinois, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 61.3°F (16.3°C). April's onset witnesses a shift in the average high-temperature, moving from a frosty 49.6°F (9.8°C) in March to an enjoyable 61.3°F (16.3°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Ellisville, Illinois, with an average temperature varying between 55°F (12.8°C) and 72°F (22.2°C). The shift from April to May is marked by an increase in the average high-temperature, moving from a refreshing 61.3°F (16.3°C) to an agreeable 72°F (22.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Ellisville, Illinois, with an average temperature ranging between min 63.7°F (17.6°C) and max 80.8°F (27.1°C). June brings a slight rise in Ellisville's average high-temperature, moving from an agreeable 72°F (22.2°C) in May to a moderately hot 80.8°F (27.1°C). Weather in June »
Weather in July
July, like June, in Ellisville, Illinois, is another warm summer month, with an average temperature fluctuating between 65.8°F (18.8°C) and 82.8°F (28.2°C). Ellisville's temperatures tend to reach their peak averages in July, with a high of 82.8°F (28.2°C) and a low of 65.8°F (18.8°C). In July, the average heat index is estimated at a hot 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Ellisville, is another warm month, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 63.7°F (17.6°C). The shift from July to August is characterized by an average high-temperature of a still warm 82°F (27.8°C), not significantly different from the 82.8°F (28.2°C) of July. Weather in August »
Weather in September
September, the first month of the autumn in Ellisville, is also a moderately hot month, with an average temperature varying between 57.6°F (14.2°C) and 76.6°F (24.8°C). Ellisville's September weather features a light decline in high-temperatures, reducing from 82°F (27.8°C) in August to a still warm 76.6°F (24.8°C). Weather in September »
Weather in October
October, like September, in Ellisville, Illinois, is another comfortable autumn month, with an average temperature ranging between max 63°F (17.2°C) and min 46.6°F (8.1°C). As September transitions into October, Ellisville sees a drop in the average high-temperature, transitioning from a warm 76.6°F (24.8°C) to an enjoyable 63°F (17.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Ellisville, Illinois, with an average temperature ranging between max 49.1°F (9.5°C) and min 35.1°F (1.7°C). With November's onset, the weather shows a temperature decrease, transitioning from an enjoyable 63°F (17.2°C) in October to a frosty 49.1°F (9.5°C). Weather in November »
Weather in December
December, the first month of the winter in Ellisville, is still a cold month, with an average temperature varying between 26.4°F (-3.1°C) and 37°F (2.8°C). December's arrival corresponds with a decrease in average high-temperatures, from November's chilly 49.1°F (9.5°C) to an icy 37°F (2.8°C). Weather in December »
Updated: Feb 12, 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 time of year in Ellisville?
January, on average, is the coldest month, registering a high temperature of 31.5°F (-0.3°C) and a low of 19.4°F (-7°C).
How many days does it rain in Ellisville?
In Ellisville, during the entire year, the rain falls for 131.7 days and collects up to 22.48" (571mm) of precipitation.
When does it snow in Ellisville?
January through April, October through December are months with snowfall in Ellisville, Illinois.
When does it snow the most in Ellisville?
January is the month with the most snowfall in Ellisville, Illinois. Snow falls for 9.4 days and accumulates 3.35" (85mm) of snow.
How much does it snow in Ellisville?
In Ellisville, Illinois, during the entire year, snow falls for 27.4 days and aggregates up to 9.21" (234mm) of snow.
What is the month with the least sunshine in Ellisville?
With an average of 4.1h of sunshine, January has the least sunshine of the year.
What are the months with the lowest UV index in Ellisville?
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) in Ellisville?
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 Ellisville?
The month with the most rainfall in Ellisville is May, when the rain falls for 16.7 days and typically aggregates up to 3.23" (82mm) of precipitation.
When it does not snow in Ellisville?
In Ellisville, Illinois, snow does not fall in May through September.
When are the longest days in Ellisville?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What is the month with the most sunshine in Ellisville?
The months with the most sunshine in Ellisville are June and July, with an average of 10.1h of sunshine.
What are the months with the highest UV index in Ellisville?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Ellisville, Illinois.
What are the warmest months in Ellisville?
Ellisville's temperatures peak on average in July, reaching 82.8°F (28.2°C) at their highest and 65.8°F (18.8°C) at their lowest.
What is the most humid month in Ellisville?
With an average relative humidity of 83%, July is the most humid month in Ellisville.
What is the least humid month in Ellisville?
With an average relative humidity of 71%, October is the least humid month in Ellisville.
What is the driest month in Ellisville?
The month with the least rainfall in Ellisville, Illinois, is December, when the rain falls for 6.5 days and typically collects 0.94" (24mm) of precipitation.
What is the month with the shortest days in Ellisville?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Ellisville, 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 (31.5°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure
Ellisville, IL
- Average pressure in January:
30.14"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:
29.96"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:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Ellisville, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.7mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity
Ellisville, IL
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Ellisville, IL
- Average rainfall in January:
1.02" - Average rainfall in February:
1.1" - Average rainfall in March:
1.65" - Average rainfall in April:
2.6" - Average rainfall in May:
3.23" - Average rainfall in June:
2.68"
- Average rainfall in July:
2.17" - Average rainfall in August:
1.89" - Average rainfall in September:
2.09" - Average rainfall in October:
1.89" - Average rainfall in November:
1.22" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.94").
Average rainfall days
Ellisville, IL
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.7 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
11 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (4.7 days).
Average snowfall
Ellisville, IL
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Ellisville, IL
- Average snowfall days in January:
9.4 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
1 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:
1.8 days - Average snowfall days in December:
5 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Ellisville, 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 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:
9h and 5min - 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 18min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Ellisville, IL
- Average sunshine days in January:
17.9 days - Average sunshine days in February:
17 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
20 days - Average sunshine days in December:
20.4 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.1 days).
Average UV index
Ellisville, 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
Ellisville, IL
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility
Ellisville, 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).
Ellisville, Illinois, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location