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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 Opdyke, Illinois, is an icy winter month, with temperature in the range of an average high of 37.9°F (3.3°C) and an average low of 24.8°F (-4°C). January, with an average high of 37.9°F (3.3°C) and a low of 24.8°F (-4°C), signifies the coldest month of the year. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Opdyke, Illinois, with an average temperature ranging between max 42.4°F (5.8°C) and min 28.8°F (-1.8°C). Welcoming February, Opdyke notes an average high-temperature of a still wintry 42.4°F (5.8°C), nearly consistent with January's 37.9°F (3.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Opdyke, Illinois, with an average temperature ranging between max 54.3°F (12.4°C) and min 38.3°F (3.5°C). March sees a rise in the average high-temperature, climbing from a wintry 42.4°F (5.8°C) in February to a cool 54.3°F (12.4°C). Weather in March »
Weather in April
April is an enjoyable spring month in Opdyke, Illinois, with an average temperature varying between 47.8°F (8.8°C) and 65.1°F (18.4°C). An increase in the average high-temperature marks April, moving from March's cool 54.3°F (12.4°C) to a comfortable 65.1°F (18.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Opdyke, Illinois, with an average temperature ranging between min 57.9°F (14.4°C) and max 74.8°F (23.8°C). May's onset witnesses a shift in the average high-temperature, moving from a refreshing 65.1°F (18.4°C) in April to a warm 74.8°F (23.8°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Opdyke, Illinois, with an average temperature fluctuating between 83.5°F (28.6°C) and 66.6°F (19.2°C). The arrival of June introduces a minor uplift in high-temperatures, adjusting from 74.8°F (23.8°C) in May to a still warm 83.5°F (28.6°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Opdyke, Illinois, with an average temperature ranging between min 67.8°F (19.9°C) and max 85.6°F (29.8°C). Opdyke's warmest temperatures are experienced in July, with average high temperatures of 85.6°F (29.8°C) and lows of 67.8°F (19.9°C). The average heat index in July is estimated at a fiery hot 98.6°F (37°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Opdyke, Illinois, with an average temperature ranging between min 65.8°F (18.8°C) and max 84°F (28.9°C). Opdyke, Illinois, records an average high-temperature of a still moderately hot 84°F (28.9°C) as August arrives, nearly mirroring the previous month's climate. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Opdyke, Illinois, with an average temperature fluctuating between 79°F (26.1°C) and 60.1°F (15.6°C). Opdyke marks the onset of September with an average high-temperature of a still moderately hot 79°F (26.1°C), subtly divergent from August's 84°F (28.9°C). Weather in September »
Weather in October
October, like September, in Opdyke, Illinois, is another refreshing autumn month, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 66.4°F (19.1°C). With the onset of October, Opdyke experiences a modest temperature adjustment, with the average high-temperature receding from a warm 79°F (26.1°C) in September to a comfortable 66.4°F (19.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Opdyke, Illinois, with an average temperature fluctuating between 37.9°F (3.3°C) and 52.7°F (11.5°C). The onset of November entails a temperature shift, as the average high-temperature decreases from an enjoyable 66.4°F (19.1°C) in October to a cool 52.7°F (11.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Opdyke, Illinois, with an average temperature varying between 43.2°F (6.2°C) and 30.9°F (-0.6°C). The shift from November to December involves a decrease in the average high-temperature, from a fresh 52.7°F (11.5°C) to a chilly 43.2°F (6.2°C). Weather in December »
Updated: Aug 28, 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?
Temperature readings reach their annual highs in January, averaging 37.9°F (3.3°C) and a minimum average of 24.8°F (-4°C).
How many days does it rain?
In Opdyke, during the entire year, the rain falls for 145.8 days and collects up to 29.13" (740mm) of precipitation.
When does it snow?
January through April, November and December are months with snowfall.
How much does it snow?
Throughout the year, there are 15.4 snowfall days, and 5.87" (149mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.5h of sunshine.
What is the month with the lowest UV index?
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 4.5 days and typically aggregates up to 1.73" (44mm) of snow.
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?
April is the month with the most rainfall in Opdyke. Rain falls for 14.7 days and accumulates 3.78" (96mm) of precipitation.
What is the most humid month?
The most humid month is May, with an average relative humidity of 80%.
When it does not snow?
May through October are months without snowfall.
What are the months with the highest UV index in Opdyke?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
June has the longest days of the year, with an average of 14h and 48min of daylight.
What month has the most sunshine?
June has the most sunshine of the year, with an average of 10.5h of sunshine.
What part of the year is the hottest?
Opdyke witnesses the warmest weather in July, with temperatures averaging a high of 85.6°F (29.8°C) and a low of 67.8°F (19.9°C).
What is the driest month?
The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 1.61" (41mm) of precipitation.
What is the least humid month?
With an average relative humidity of 71%, October is the least humid month.
What is the month with the shortest days?
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Average temperature
Opdyke, IL
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.9°F).
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure
Opdyke, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Opdyke, IL
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.8mph - Average wind speed in April:
9.6mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.5mph - Average wind speed in October:
8.3mph - Average wind speed in November:
8.9mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity
Opdyke, IL
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Opdyke, IL
- Average rainfall in January:
1.77" - Average rainfall in February:
1.77" - Average rainfall in March:
2.6" - Average rainfall in April:
3.78" - Average rainfall in May:
3.23" - Average rainfall in June:
3.11"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.36" - Average rainfall in September:
1.61" - Average rainfall in October:
2.09" - Average rainfall in November:
2.05" - Average rainfall in December:
2.01"
The wettest month (with the highest rainfall) is April (3.78").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days
Opdyke, IL
- Average rainfall days in January:
7.5 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
17 days - Average rainfall days in June:
14.9 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
13.4 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
8.9 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (7.5 days).
Average snowfall
Opdyke, IL
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Opdyke, IL
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
4.5 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.3 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 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
2.9 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Opdyke, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - 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 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Opdyke, IL
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
15.4 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
15.6 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
20.3 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
19.9 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Opdyke, 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, November and December (UV index 2).
Average cloud cover
Opdyke, IL
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility
Opdyke, 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).
Opdyke, Illinois, USA
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