Climate and monthly weather forecastOtterville, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Otterville, Illinois, is an icy winter month, with temperature in the range of an average high of 35.6°F (2°C) and an average low of 22.6°F (-5.2°C). January, known for its average high temperature of 35.6°F (2°C) and an average low temperature of 22.6°F (-5.2°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Otterville, is also a wintry month, with an average temperature varying between 26.4°F (-3.1°C) and 40.6°F (4.8°C). As January transitions into February, Otterville records an average high-temperature of a still cold 40.6°F (4.8°C), showing a gentle shift from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Otterville, is a fresh month, with temperature in the range of an average high of 52.5°F (11.4°C) and an average low of 37°F (2.8°C). March sees a temperature increase, moving from a wintry 40.6°F (4.8°C) in February to a fresh 52.5°F (11.4°C). Weather in March »Weather in April
April in Otterville, Illinois, is an enjoyable spring month, with temperature in the range of an average low of 46.8°F (8.2°C) and an average high of 64.2°F (17.9°C). The shift from March to April is marked by an increase in the average high-temperature, moving from a fresh 52.5°F (11.4°C) to an enjoyable 64.2°F (17.9°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Otterville, Illinois, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 56.7°F (13.7°C). May witnesses an increase in the average high-temperature, moving from a comfortable 64.2°F (17.9°C) in April to a moderately hot 73.9°F (23.3°C). Weather in May »Weather in June
June, the first month of the summer in Otterville, is still a warm month, with an average temperature varying between 82.8°F (28.2°C) and 65.7°F (18.7°C). The shift from May to June introduces a subtle increase in the average high-temperature, moving from 73.9°F (23.3°C) to a still moderately hot 82.8°F (28.2°C). Weather in June »Weather in July
July, like June, in Otterville, Illinois, is another warm summer month, with an average temperature ranging between max 84.7°F (29.3°C) and min 67.6°F (19.8°C). The month of July, characterized by an average high of 84.7°F (29.3°C) and a low of 67.6°F (19.8°C), is recognized as the warmest. For most parts of July, the heat index is calculated to be a very hot 96.8°F (36°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Otterville, Illinois, with an average temperature fluctuating between 65.5°F (18.6°C) and 83.7°F (28.7°C). August ushers in an average high-temperature of a still moderately hot 83.7°F (28.7°C), aligning closely with the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Otterville, Illinois, with an average temperature varying between 78.4°F (25.8°C) and 59.4°F (15.2°C). Otterville starts September with an average high-temperature of a still warm 78.4°F (25.8°C), a minor shift from August's 83.7°F (28.7°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Otterville, Illinois, with an average temperature varying between 65.3°F (18.5°C) and 48.2°F (9°C). In Otterville, entering October brings a temperature decrement, reducing from September's warm 78.4°F (25.8°C) to a comfortable 65.3°F (18.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Otterville, Illinois, with an average temperature varying between 51.8°F (11°C) and 36.9°F (2.7°C). A moderate decline in the average high-temperature is seen during November, decreasing from a comfortable 65.3°F (18.5°C) in October to a cool 51.8°F (11°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Otterville, Illinois, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 40.6°F (4.8°C). December brings a decrease in the average high-temperature, falling from November's fresh 51.8°F (11°C) to an icy 40.6°F (4.8°C). Weather in December »Updated: Aug 1, 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
January proves to be the coldest month, recording an average maximum temperature of 35.6°F (2°C) and a minimum temperature of 22.6°F (-5.2°C).
January is the month with the least rainfall. Rain falls for 5.9 days and accumulates 1.06" (27mm) of precipitation.
Throughout the year, there are 136.5 rainfall days, and 23.11" (587mm) of precipitation is accumulated.
January through March, November and December are months with snowfall.
Throughout the year, there are 20.9 snowfall days, and 6.26" (159mm) of snow is accumulated.
With an average of 4.5h of sunshine, January has the least sunshine of the year.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the most snowfall in Otterville is February, when snow falls for 5.9 days and typically aggregates up to 2.17" (55mm) of snow.
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.
In Otterville, snow does not fall in April through October.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
June is the month with the most rainfall. Rain falls for 14.3 days and accumulates 3.07" (78mm) of precipitation.
The month with the longest days is June, with an average of 14h and 54min of daylight.
With an average of 10.4h of sunshine, June has the most sunshine of the year.
Otterville's July weather, with an average high temperature of 84.7°F (29.3°C) and an average low temperature of 67.6°F (19.8°C), tends to be the warmest of the year.
With an average relative humidity of 80%, July is the most humid month.
October is the least humid month, with an average relative humidity of 71%.
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Otterville, IL
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.6°F).
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure
Otterville, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.92"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:
30.03"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 (29.92"Hg).
Average wind speed
Otterville, IL
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.4mph - Average wind speed in May:
7.6mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
8.2mph - Average wind speed in November:
9mph - Average wind speed in December:
9.1mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity
Otterville, IL
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Otterville, IL
- Average rainfall in January:
1.06" - Average rainfall in February:
1.18" - Average rainfall in March:
1.77" - Average rainfall in April:
2.64" - Average rainfall in May:
2.68" - Average rainfall in June:
3.07"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.52" - Average rainfall in September:
1.57" - Average rainfall in October:
1.65" - Average rainfall in November:
1.34" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days
Otterville, IL
- Average rainfall days in January:
5.9 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
13 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (5.9 days).
Average snowfall
Otterville, IL
The month with the highest snowfall is February (2.17").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Otterville, IL
- Average snowfall days in January:
6.2 days - Average snowfall days in February:
5.9 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
0.2 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:
1.5 days - Average snowfall days in December:
4.4 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Otterville, IL
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
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 30min).
- Average sunshine in January:
4h and 30min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 6min - Average sunshine in September:
9h and 30min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 54min
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 30min).
Average sunshine days
Otterville, IL
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
16.2 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
13.1 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is January (20.3 days).
The months with the least sunshine days are May and June (12.3 days).
Average UV index
Otterville, 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, November and December (UV index 2).
Average cloud cover
Otterville, IL
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility
Otterville, 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).
