Climate and monthly weather forecastGrand Ridge, IL
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Grand Ridge, Illinois, with an average temperature ranging between min 17.8°F (-7.9°C) and max 29.5°F (-1.4°C). January is the coldest month, with the temperature often reaching an average high of 29.5°F (-1.4°C) and an average low of 17.8°F (-7.9°C). Weather in January »Weather in February
The last month of the winter, February, is a wintry month in Grand Ridge, Illinois, with an average temperature fluctuating between 20.8°F (-6.2°C) and 33.4°F (0.8°C). Grand Ridge marks the onset of February with an average high-temperature of an icy 33.4°F (0.8°C), a subtle shift from January's 29.5°F (-1.4°C). Weather in February »Weather in March
March, the first month of the spring in Grand Ridge, is a chilly month, with an average temperature varying between 32.7°F (0.4°C) and 47.5°F (8.6°C). The arrival of March brings a temperature shift, with the average high-temperature escalating from a cold 33.4°F (0.8°C) in February to a chilly 47.5°F (8.6°C). Weather in March »Weather in April
April is a moderate spring month in Grand Ridge, Illinois, with an average temperature fluctuating between 42.8°F (6°C) and 59.4°F (15.2°C). As April sets, the average high-temperature shows an increase, moving up from a frosty 47.5°F (8.6°C) in March to a moderate 59.4°F (15.2°C). Weather in April »Weather in May
May, the last month of the spring in Grand Ridge, is an agreeable month, with an average temperature fluctuating between 54°F (12.2°C) and 71.1°F (21.7°C). The shift from April to May brings an increase in the average high-temperature, moving from a mild 59.4°F (15.2°C) to a pleasant 71.1°F (21.7°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Grand Ridge, Illinois, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 61.9°F (16.6°C). As Grand Ridge enters June, the average high-temperature marginally increases from the a pleasant 71.1°F (21.7°C) of May to a warm 78.8°F (26°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Grand Ridge, Illinois, with an average temperature varying between 81°F (27.2°C) and 64.4°F (18°C). The temperatures reach their highest averages in July, with highs of 81°F (27.2°C) and lows of 64.4°F (18°C). Throughout July, the heat index is evaluated at a hot 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Grand Ridge, Illinois, with an average temperature ranging between max 79.7°F (26.5°C) and min 62.2°F (16.8°C). Grand Ridge's weather in August indicates an average high-temperature of a still moderately hot 79.7°F (26.5°C), nearly consistent with the 81°F (27.2°C) of July. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Grand Ridge, Illinois, with an average temperature fluctuating between 75°F (23.9°C) and 56.5°F (13.6°C). Grand Ridge's September average high-temperature settles at a still warm 75°F (23.9°C), showing a near match with the preceding month. Weather in September »Weather in October
October, like September, in Grand Ridge, Illinois, is another refreshing autumn month, with an average temperature varying between 46°F (7.8°C) and 61.7°F (16.5°C). A shift in the average high-temperature occurs in October, reducing from a moderately hot 75°F (23.9°C) in September to a comfortable 61.7°F (16.5°C). Weather in October »Weather in November
November, the last month of the autumn in Grand Ridge, is also a frosty month, with an average temperature fluctuating between 34°F (1.1°C) and 47.3°F (8.5°C). As November sets, the average high-temperature displays a significant decrease, moving down from a comfortable 61.7°F (16.5°C) in October to a chilly 47.3°F (8.5°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Grand Ridge, Illinois, with temperature in the range of an average low of 25.5°F (-3.6°C) and an average high of 35.6°F (2°C). The decrease of average high-temperatures is mild in December, with a decline from a chilly 47.3°F (8.5°C) in November to a cold 35.6°F (2°C). Weather in December »Updated: Jun 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
January tends to be the coldest month, with temperatures averaging a daily high of 29.5°F (-1.4°C) and a low of 17.8°F (-7.9°C).
In Grand Ridge, during the entire year, the rain falls for 145 days and collects up to 25.08" (637mm) of precipitation.
Months with snowfall in Grand Ridge are January through April, October through December.
In Grand Ridge, during the entire year, snow falls for 37.9 days and aggregates up to 12.91" (328mm) of snow.
The month with the least sunshine is January, with an average of 3.8h of sunshine.
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
The month with the most snowfall is February, when snow falls for 8.8 days and typically aggregates up to 3.27" (83mm) 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.
The month with the most rainfall in Grand Ridge is May, when the rain falls for 17.1 days and typically aggregates up to 3.39" (86mm) of precipitation.
In Grand Ridge, snow does not fall in May through September.
With an average of 15h and 6min of daylight, June has the longest days of the year.
June has the most sunshine of the year, with an average of 9.9h of sunshine.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
July brings the highest temperatures, with an average high of 81°F (27.2°C) and an average low of 64.4°F (18°C).
The most humid month is July, with an average relative humidity of 85%.
The least humid month is October, with an average relative humidity of 72%.
The month with the least rainfall is December, when the rain falls for 6.9 days and typically collects 1.18" (30mm) of precipitation.
December has the shortest days of the year in Grand Ridge, with an average of 9h and 18min of daylight.
Average temperature
Grand Ridge, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure
Grand Ridge, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"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:
30.03"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Grand Ridge, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.4mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Grand Ridge, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Grand Ridge, IL
- Average rainfall in January:
1.38" - Average rainfall in February:
1.3" - Average rainfall in March:
1.65" - Average rainfall in April:
3.11" - Average rainfall in May:
3.39" - Average rainfall in June:
2.56"
- Average rainfall in July:
2.72" - Average rainfall in August:
2.28" - Average rainfall in September:
1.85" - Average rainfall in October:
2.36" - Average rainfall in November:
1.3" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days
Grand Ridge, IL
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
16.4 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
12 days - Average rainfall days in November:
8 days - Average rainfall days in December:
6.9 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall
Grand Ridge, IL
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Grand Ridge, IL
- Average snowfall days in January:
11.8 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
5.1 days - Average snowfall days in April:
1.6 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:
0.3 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Grand Ridge, IL
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 24min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 18min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Grand Ridge, IL
- Average sunshine days in January:
14.7 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
9.2 days - Average sunshine days in August:
11.1 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
17 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
17.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.2 days).
Average UV index
Grand Ridge, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Grand Ridge, IL
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility
Grand Ridge, 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).
