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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 Oakland, Illinois, is an icy winter month, with temperature in the range of an average high of 33.4°F (0.8°C) and an average low of 21.6°F (-5.8°C). January, having an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Oakland, Illinois, with an average temperature ranging between min 25.2°F (-3.8°C) and max 38.1°F (3.4°C). Oakland records an average high-temperature of a still wintry 38.1°F (3.4°C) in February, maintaining a close correlation with January's 33.4°F (0.8°C). Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Oakland, Illinois, with an average temperature fluctuating between 50.4°F (10.2°C) and 36°F (2.2°C). The shift into March is marked by a rise in the average high-temperature, moving from February's icy 38.1°F (3.4°C) to a cool 50.4°F (10.2°C). Weather in March »
Weather in April
April in Oakland, Illinois, is a comfortable spring month, with an average temperature ranging between max 62.2°F (16.8°C) and min 46°F (7.8°C). In April, the meteorological conditions change with the average high-temperature moving from a cool 50.4°F (10.2°C) in March to an enjoyable 62.2°F (16.8°C). Weather in April »
Weather in May
May, the last month of the spring in Oakland, is a pleasant month, with an average temperature ranging between min 56.7°F (13.7°C) and max 72.7°F (22.6°C). With the onset of May, Oakland sees a temperature rise, with the average high-temperature moving from April's enjoyable 62.2°F (16.8°C) to an agreeable 72.7°F (22.6°C). Weather in May »
Weather in June
June, the first month of the summer in Oakland, is a warm month, with an average temperature ranging between min 64°F (17.8°C) and max 81°F (27.2°C). As June arrives, a slight rise in the average high-temperature is observed, moving from an agreeable 72.7°F (22.6°C) in May to a moderately hot 81°F (27.2°C). Weather in June »
Weather in July
July, like June, in Oakland, Illinois, is another warm summer month, with an average temperature fluctuating between 82°F (27.8°C) and 65.8°F (18.8°C). Temperature records mark July as the warmest month, with highs averaging 82°F (27.8°C) and lows at 65.8°F (18.8°C). For most parts of July, the heat index is calculated to be a hot 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Oakland, Illinois, with an average temperature varying between 81°F (27.2°C) and 63.9°F (17.7°C). A minor adjustment in Oakland's average high-temperature is noted with the start of August, touching a still moderately hot 81°F (27.2°C) from July's 82°F (27.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Oakland, is also a moderately hot month, with an average temperature ranging between max 77.2°F (25.1°C) and min 58.5°F (14.7°C). With September's arrival, Oakland notes an average high-temperature of a still warm 77.2°F (25.1°C), closely following the trend of the preceding month. Weather in September »
Weather in October
October, like September, in Oakland, Illinois, is another refreshing autumn month, with an average temperature ranging between min 48°F (8.9°C) and max 63.9°F (17.7°C). October brings a drop in Oakland's average high-temperature, falling from a warm 77.2°F (25.1°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 another chilly month in Oakland, Illinois, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 49.6°F (9.8°C). With the beginning of November, the average high-temperature shows a decrease, transitioning from a comfortable 63.9°F (17.7°C) in October to a frosty 49.6°F (9.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Oakland, Illinois, with an average temperature ranging between min 28°F (-2.2°C) and max 38.5°F (3.6°C). Onset of December witnesses a reduction in the average high-temperature, falling from a frosty 49.6°F (9.8°C) in November to an icy 38.5°F (3.6°C). Weather in December »
Updated: Aug 20, 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 time of the year is the coldest?
January, with its high-temperature average of 33.4°F (0.8°C) and a low-temperature average of 21.6°F (-5.8°C), is the coldest month.
How many days does it rain?
Throughout the year, there are 151.5 rainfall days, and 25.71" (653mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
How many days does it snow in Oakland?
In Oakland, during the entire year, snow falls for 28.3 days and aggregates up to 7.72" (196mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.1h of sunshine.
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.
What is the driest month?
February is the month with the least rainfall. Rain falls for 7.5 days and accumulates 1.38" (35mm) of precipitation.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 7.3 days and typically aggregates up to 2.17" (55mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Oakland, 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. Rain falls for 15.6 days and accumulates 3.15" (80mm) of precipitation.
When it does not snow?
In Oakland, snow does not fall in May through September.
When are the longest days?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What month has the most sunshine?
With an average of 10.4h of sunshine, June has the most sunshine of the year in Oakland.
What is the month with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest?
In Oakland, the peak average temperatures are observed in July, with a high of 82°F (27.8°C) and a low of 65.8°F (18.8°C).
What is the most humid month?
With an average relative humidity of 84%, July is the most humid month.
What is the least humid month?
The least humid month is October, with an average relative humidity of 70%.
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
Oakland, IL
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°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 (21.6°F).
Average pressure
Oakland, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"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:
30.03"Hg - Average pressure in November:
30.13"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 (29.93"Hg).
Average wind speed
Oakland, IL
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.7mph - 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:
7.5mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.1mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.9mph
The windiest months (with the highest average wind speed) are January and February (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity
Oakland, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Oakland, IL
- Average rainfall in January:
1.73" - Average rainfall in February:
1.38" - Average rainfall in March:
2.13" - Average rainfall in April:
3.15" - Average rainfall in May:
2.95" - Average rainfall in June:
2.68"
- Average rainfall in July:
2.52" - Average rainfall in August:
2.32" - Average rainfall in September:
1.42" - Average rainfall in October:
2.24" - Average rainfall in November:
1.65" - Average rainfall in December:
1.54"
The wettest month (with the highest rainfall) is April (3.15").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days
Oakland, IL
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
7.5 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
15 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
9.3 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (7.5 days).
Average snowfall
Oakland, IL
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Oakland, IL
- Average snowfall days in January:
8.5 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.5 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:
6.5 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Oakland, 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:
14h and 5min
- 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: 14h and 54min).
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 1min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
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 6min).
Average sunshine days
Oakland, IL
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.5 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
16 days
The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is May (10.5 days).
Average UV index
Oakland, 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
Oakland, IL
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility
Oakland, 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).
Oakland, Illinois, USA
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