Climate and monthly weather forecastClaremont, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Claremont, Illinois, is an icy winter month, with an average temperature fluctuating between 36.7°F (2.6°C) and 24.3°F (-4.3°C). Claremont notes the coldest temperatures in January, with a high average of 36.7°F (2.6°C) and a low of 24.3°F (-4.3°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Claremont, Illinois, with an average temperature fluctuating between 41.7°F (5.4°C) and 28.2°F (-2.1°C). Claremont marks the start of February with an average high-temperature of a still cold 41.7°F (5.4°C), hinting at a slight fluctuation from January's 36.7°F (2.6°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Claremont, Illinois, with an average temperature varying between 37.8°F (3.2°C) and 53.1°F (11.7°C). March marks a rise in the average high-temperature, moving from February's icy 41.7°F (5.4°C) to a cool 53.1°F (11.7°C). Weather in March »Weather in April
April is a refreshing spring month in Claremont, Illinois, with an average temperature ranging between min 47.7°F (8.7°C) and max 64.2°F (17.9°C). In Claremont, the onset of April comes with an increased average high-temperature, moving from March's cool 53.1°F (11.7°C) to an enjoyable 64.2°F (17.9°C). Weather in April »Weather in May
May, the last month of the spring in Claremont, is a moderately hot month, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 73.9°F (23.3°C). As April transitions into May, Claremont sees a rise in the average high-temperature, moving from a comfortable 64.2°F (17.9°C) to a moderately hot 73.9°F (23.3°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Claremont, Illinois, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 82.2°F (27.9°C). As June sets, the average high-temperature shows a slight increase, moving up from 73.9°F (23.3°C) in May to a still warm 82.2°F (27.9°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Claremont, Illinois, with an average temperature varying between 84.2°F (29°C) and 67.5°F (19.7°C). July, with its high-temperature average of 84.2°F (29°C) and a low-temperature average of 67.5°F (19.7°C), is the warmest month. In July, the heat index is computed to be a fiery hot 95°F (35°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Claremont, Illinois, with an average temperature varying between 82.8°F (28.2°C) and 65.7°F (18.7°C). The transition into August is marked with an average high-temperature of a still warm 82.8°F (28.2°C), showing an insignificant shift from July's 84.2°F (29°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Claremont, Illinois, with an average temperature ranging between min 59.9°F (15.5°C) and max 78.1°F (25.6°C). September's climate shows a minor adjustment in average high-temperatures to a still moderately hot 78.1°F (25.6°C) from August's 82.8°F (28.2°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Claremont, Illinois, with an average temperature fluctuating between 49.3°F (9.6°C) and 65.8°F (18.8°C). The start of October signals a decrease in the average high-temperature, transitioning from a moderately hot 78.1°F (25.6°C) in September to a refreshing 65.8°F (18.8°C). Weather in October »Weather in November
November, the last month of the autumn in Claremont, is another cool month, with an average temperature fluctuating between 52°F (11.1°C) and 37.9°F (3.3°C). Claremont's November weather shows a moderate shift in high-temperatures, falling from October's comfortable 65.8°F (18.8°C) to a cool 52°F (11.1°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Claremont, Illinois, with an average temperature ranging between min 30.9°F (-0.6°C) and max 41.5°F (5.3°C). With December's arrival, Claremont sees a decrease in average high-temperatures, moving from a cool 52°F (11.1°C) in November to an icy 41.5°F (5.3°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Claremont, IL
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.7°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Claremont, 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:
30.13"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
Claremont, IL
- Average wind speed in January:
10.2mph - Average wind speed in February:
10.2mph - Average wind speed in March:
10mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
6mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.4mph
The windiest months (with the highest average wind speed) are January and February (10.2mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity
Claremont, IL
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Claremont, IL
- Average rainfall in January:
1.93" - Average rainfall in February:
1.57" - Average rainfall in March:
2.32" - Average rainfall in April:
4.09" - Average rainfall in May:
2.99" - Average rainfall in June:
2.64"
- Average rainfall in July:
2.6" - Average rainfall in August:
2.13" - Average rainfall in September:
1.54" - Average rainfall in October:
2.13" - Average rainfall in November:
1.89" - Average rainfall in December:
2.17"
The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days
Claremont, IL
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
13.9 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
14.9 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (8.8 days).
Average snowfall
Claremont, IL
The month with the highest snowfall is January (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Claremont, IL
- Average snowfall days in January:
5.9 days - Average snowfall days in February:
5.5 days - Average snowfall days in March:
2.5 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:
0.2 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Claremont, 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 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- 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 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 24min - Average sunshine in May:
9h and 12min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Claremont, IL
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
14 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
11.2 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11.2 days).
Average UV index
Claremont, 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
Claremont, IL
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility
Claremont, 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).





