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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, is a freezing cold winter month in Richmond, Illinois, with an average temperature ranging between max 24.4°F (-4.2°C) and min 12.2°F (-11°C). January stands out as Richmond's coldest month, with an average high-temperature of 24.4°F (-4.2°C) and a low-temperature of 12.2°F (-11°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Richmond, Illinois, with temperature in the range of an average high of 28.4°F (-2°C) and an average low of 15.6°F (-9.1°C). Richmond's weather in February, with an average high-temperature of a still subzero cold 28.4°F (-2°C), subtly shifts from January's 24.4°F (-4.2°C). Weather in February »
Weather in March
The first month of the spring, March, is a wintry month in Richmond, Illinois, with an average temperature ranging between min 27.5°F (-2.5°C) and max 42.3°F (5.7°C). March shows a rise in the average high-temperature, moving from February's freezing cold 28.4°F (-2°C) to an icy 42.3°F (5.7°C). Weather in March »
Weather in April
April in Richmond, Illinois, is a cool spring month, with an average temperature ranging between max 54.1°F (12.3°C) and min 37.9°F (3.3°C). Richmond's weather in April shows a rise in the average high-temperature, moving up from March's icy 42.3°F (5.7°C) to a cool 54.1°F (12.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Richmond, Illinois, with an average temperature fluctuating between 48.7°F (9.3°C) and 66.6°F (19.2°C). May marks a rise in the average high-temperature, moving from April's cool 54.1°F (12.3°C) to a comfortable 66.6°F (19.2°C). Weather in May »
Weather in June
June, the first month of the summer in Richmond, is a warm month, with an average temperature varying between 57.7°F (14.3°C) and 75.7°F (24.3°C). With the onset of June, Richmond experiences a temperature shift, with the average high-temperature moving from a refreshing 66.6°F (19.2°C) in May to a moderately hot 75.7°F (24.3°C). Weather in June »
Weather in July
July, like June, in Richmond, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 61.9°F (16.6°C) and 79.3°F (26.3°C). The month of July sees the highest average temperatures, reaching 79.3°F (26.3°C) at the peak and 61.9°F (16.6°C) at the low. Weather in July »
Weather in August
August, the last month of the summer in Richmond, is also a moderately hot month, with an average temperature ranging between max 77.5°F (25.3°C) and min 59.9°F (15.5°C). August's advent denotes a minor fluctuation in the average high-temperature to a still warm 77.5°F (25.3°C) from July's 79.3°F (26.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Richmond, Illinois, with an average temperature varying between 71.8°F (22.1°C) and 52.7°F (11.5°C). With the arrival of September, Richmond notices a mild change in the average high-temperature, sliding from August's moderately hot 77.5°F (25.3°C) to a pleasant 71.8°F (22.1°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Richmond, Illinois, with temperature in the range of an average low of 42.3°F (5.7°C) and an average high of 58.1°F (14.5°C). Richmond's transition into October involves a shift in temperature, receding from a pleasant 71.8°F (22.1°C) in September to a refreshing 58.1°F (14.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Richmond, Illinois, with an average temperature ranging between min 30.6°F (-0.8°C) and max 43.7°F (6.5°C). A shift in Richmond's weather is noticeable as October turns into November, with the average high temperature decreasing from a mild 58.1°F (14.5°C) to a frosty 43.7°F (6.5°C). Weather in November »
Weather in December
December, the first month of the winter in Richmond, is still a freezing cold month, with temperature in the range of an average high of 31.1°F (-0.5°C) and an average low of 21.2°F (-6°C). Arrival of December comes with a reduction in the average high-temperature, falling from a frosty 43.7°F (6.5°C) in November to a freezing cold 31.1°F (-0.5°C). Weather in December »
Updated: Feb 12, 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 in Richmond?
Richmond witnesses the coldest weather in January, with temperatures averaging a high of 24.4°F (-4.2°C) and a low of 12.2°F (-11°C).
What is the most humid month in Richmond?
The most humid month is January, with an average relative humidity of 88%.
What is the driest month in Richmond?
The months with the least rainfall in Richmond, Illinois, are January, February and December Rain falls for 4.8 days and accumulates 0.83" (21mm) of rain.
How much does it rain in Richmond?
Throughout the year, in Richmond, there are 133.6 rainfall days, and 20.16" (512mm) of precipitation is accumulated.
When does it snow in Richmond?
Months with snowfall are January through May, October through December.
What is the snowiest month in Richmond?
January is the month with the most snowfall in Richmond. Snow falls for 12.6 days and accumulates 3.23" (82mm) of snow.
How much does it snow in Richmond?
In Richmond, Illinois, during the entire year, snow falls for 46.5 days and aggregates up to 12.95" (329mm) of snow.
What is the month with the least sunshine in Richmond?
The month with the least sunshine is January, with an average of 3.5h of sunshine.
What are the months with the lowest UV index in Richmond?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Richmond.
When is Daylight Saving Time (DST) in Richmond?
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 least humid month in Richmond?
The least humid month is April, with an average relative humidity of 76%.
What is the rainiest month in Richmond?
The month with the most rainfall in Richmond is June, when the rain falls for 16.5 days and typically aggregates up to 2.87" (73mm) of precipitation.
When it does not snow in Richmond?
In Richmond, Illinois, snow does not fall in June through September.
When are the longest days in Richmond?
The month with the longest days in Richmond is June, with an average of 15h and 12min of daylight.
When is the highest UV index in Richmond?
With an average maximum UV index of 6, June is the month with the highest UV index.
What are the warmest months in Richmond?
The month of July, characterized by an average high of 79.3°F (26.3°C) and a low of 61.9°F (16.6°C), is recognized as the warmest.
What month has the most sunshine in Richmond?
July has the most sunshine of the year in Richmond, with an average of 9.8h of sunshine.
What is the month with the shortest days in Richmond?
The month with the shortest days in Richmond, Illinois, is December, with an average of 9h and 6min of daylight.
Average temperature
Richmond, IL
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.4°F).
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure
Richmond, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Richmond, IL
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.7mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.2mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Richmond, IL
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Richmond, IL
- Average rainfall in January:
0.83" - Average rainfall in February:
0.83" - Average rainfall in March:
1.18" - Average rainfall in April:
2.28" - Average rainfall in May:
2.44" - Average rainfall in June:
2.87"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.2" - Average rainfall in September:
1.46" - Average rainfall in October:
1.77" - Average rainfall in November:
0.98" - Average rainfall in December:
0.83"
The wettest month (with the highest rainfall) is June (2.87").
The driest months (with the least rainfall) are January, February and December (0.83").
Average rainfall days
Richmond, IL
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
10.2 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
6.3 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall
Richmond, IL
- Average snowfall in January:
3.23" - Average snowfall in February:
2.68" - Average snowfall in March:
1.65" - Average snowfall in April:
1.1" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Richmond, IL
- Average snowfall days in January:
12.6 days - Average snowfall days in February:
10.5 days - Average snowfall days in March:
6.3 days - Average snowfall days in April:
2 days - Average snowfall days in May:
0.3 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:
0.9 days - Average snowfall days in November:
4.2 days - Average snowfall days in December:
9.7 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Richmond, IL
- Average daylight in January:
9h and 3min - 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 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 3min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Richmond, IL
- Average sunshine days in January:
17 days - Average sunshine days in February:
14.2 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
18.6 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Richmond, IL
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Richmond, IL
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility
Richmond, IL
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Richmond, Illinois, USA
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