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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 Wood River, Illinois, is a wintry winter month, with an average temperature fluctuating between 23.4°F (-4.8°C) and 36.1°F (2.3°C). January is the coldest month, exhibiting average temperatures of 36.1°F (2.3°C) at the peak and 23.4°F (-4.8°C) at the base. Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Wood River, Illinois, with an average temperature ranging between min 27.1°F (-2.7°C) and max 41°F (5°C). February begins with an average high-temperature of a still wintry 41°F (5°C), reflecting close similarity to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Wood River, Illinois, with an average temperature ranging between max 53.4°F (11.9°C) and min 37.2°F (2.9°C). March's onset is marked by a temperature increase, moving from a wintry 41°F (5°C) in February to a fresh 53.4°F (11.9°C). Weather in March »
Weather in April
April is an enjoyable spring month in Wood River, Illinois, with an average temperature fluctuating between 46.9°F (8.3°C) and 64.4°F (18°C). As March transitions into April, a change in temperatures is observed, with average highs moving from a cool 53.4°F (11.9°C) to a comfortable 64.4°F (18°C). Weather in April »
Weather in May
May, the last month of the spring in Wood River, is a warm month, with an average temperature ranging between min 57°F (13.9°C) and max 74.1°F (23.4°C). Wood River sees a rise in temperature during May, with average high-temperatures transitioning from a comfortable 64.4°F (18°C) in April to a moderately hot 74.1°F (23.4°C). Weather in May »
Weather in June
June, the first month of the summer in Wood River, is still a warm month, with temperature in the range of an average high of 83.1°F (28.4°C) and an average low of 66.2°F (19°C). With the onset of June, Wood River's average high-temperature experiences a rise, moving from May's moderately hot 74.1°F (23.4°C) to a still warm 83.1°F (28.4°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Wood River, Illinois, with an average temperature ranging between max 85.3°F (29.6°C) and min 67.6°F (19.8°C). Wood River experiences its highest average temperatures in July, reaching a peak of 85.3°F (29.6°C) and a minimum of 67.6°F (19.8°C). In July, the heat index is appraised at a very hot 96.8°F (36°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Wood River, Illinois, with an average temperature fluctuating between 84°F (28.9°C) and 65.7°F (18.7°C). The average high-temperature during August is a still warm 84°F (28.9°C), almost matching the conditions of the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Wood River, Illinois, with an average temperature ranging between max 78.6°F (25.9°C) and min 59.4°F (15.2°C). The onset of September aligns with a soft reduction in the average high-temperature, gently falling from 84°F (28.9°C) in August to a still warm 78.6°F (25.9°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Wood River, Illinois, with an average temperature ranging between max 65.3°F (18.5°C) and min 48.7°F (9.3°C). The onset of October entails a temperature shift, as the average high-temperature decreases from a warm 78.6°F (25.9°C) in September to an enjoyable 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 Wood River, Illinois, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 52.2°F (11.2°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from an enjoyable 65.3°F (18.5°C) in October to a cool 52.2°F (11.2°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Wood River, Illinois, with an average temperature fluctuating between 29.8°F (-1.2°C) and 41.4°F (5.2°C). Start of December brings a shift in the average high-temperature, falling from November's cool 52.2°F (11.2°C) to a wintry 41.4°F (5.2°C). Weather in December »
Updated: Jul 3, 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?
January is Wood River's coldest month, registering average high temperatures of 36.1°F (2.3°C) and lows of 23.4°F (-4.8°C).
How much does it rain?
In Wood River, during the entire year, the rain falls for 138 days and collects up to 23.9" (607mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
How many days does it snow?
In Wood River, Illinois, during the entire year, snow falls for 18.6 days and aggregates up to 4.53" (115mm) of snow.
What are the months with the least sunshine?
January and February, with an average of 4.5h of sunshine, are months with the least sunshine.
When is the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Wood River.
What is the driest month?
The month with the least rainfall is February, when the rain falls for 6.9 days and typically collects 1.14" (29mm) of precipitation.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 5.4 days and typically aggregates up to 1.61" (41mm) of snow.
When is Daylight Saving Time (DST) in Wood River?
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?
The month with the most rainfall in Wood River is May, when the rain falls for 16.6 days and typically aggregates up to 3.07" (78mm) of precipitation.
When it does not snow?
In Wood River, snow does not fall in May through October.
What are the months with the highest UV index?
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?
The month with the most sunshine is June, with an average of 10.4h of sunshine.
What is the warmest month in Wood River?
In Wood River, the peak average temperatures are observed in July, with a high of 85.3°F (29.6°C) and a low of 67.6°F (19.8°C).
What is the most humid month?
July is the most humid month, with an average relative humidity of 80%.
What is the least humid month in Wood River?
The least humid month is October, with an average relative humidity of 71%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Wood River, IL
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°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 (23.4°F).
Average pressure
Wood River, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.94"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:
29.98"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 (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Wood River, IL
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.3mph - 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:
8.1mph - Average wind speed in November:
8.9mph - Average wind speed in December:
9mph
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
Wood River, IL
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Wood River, IL
- Average rainfall in January:
1.26" - Average rainfall in February:
1.14" - Average rainfall in March:
1.57" - Average rainfall in April:
2.4" - Average rainfall in May:
3.07" - Average rainfall in June:
2.76"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.91" - Average rainfall in September:
1.69" - Average rainfall in October:
1.93" - Average rainfall in November:
1.3" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days
Wood River, IL
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
6.9 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
6.7 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (5.6 days).
Average snowfall
Wood River, IL
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Wood River, IL
- Average snowfall days in January:
6 days - Average snowfall days in February:
5.4 days - Average snowfall days in March:
2 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:
0.1 days - Average snowfall days in November:
1 days - Average snowfall days in December:
3.8 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Wood River, 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 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 1min - Average daylight in December:
9h and 3min
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 30min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days
Wood River, IL
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
16.1 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
14 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
20.1 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 July (12.3 days).
Average UV index
Wood River, 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
Wood River, IL
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility
Wood River, 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).
Wood River, Illinois, USA
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