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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, the same as December, is a wintry winter month in Ruma, Illinois, with an average temperature fluctuating between 39°F (3.9°C) and 25.2°F (-3.8°C). In Ruma, the lowest temperatures are generally noted in January, averaging a high of 39°F (3.9°C) and a low of 25.2°F (-3.8°C). Weather in January »
Weather in February
February, the last month of the winter in Ruma, is a frosty month, with an average temperature fluctuating between 28.8°F (-1.8°C) and 43.7°F (6.5°C). The advent of February observes an average high-temperature of a chilly 43.7°F (6.5°C), nearly identical to January's 39°F (3.9°C). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Ruma, Illinois, with an average temperature ranging between max 55.2°F (12.9°C) and min 38.7°F (3.7°C). March's arrival is marked by an increase in the average high-temperature, moving from a frosty 43.7°F (6.5°C) in February to a fresh 55.2°F (12.9°C). Weather in March »
Weather in April
April in Ruma, Illinois, is an enjoyable spring month, with an average temperature ranging between min 48°F (8.9°C) and max 65.8°F (18.8°C). Entering April, Ruma sees a temperature rise, with the average high-temperature advancing from March's fresh 55.2°F (12.9°C) to a refreshing 65.8°F (18.8°C). Weather in April »
Weather in May
May, the last month of the spring in Ruma, is a warm month, with an average temperature ranging between min 57.7°F (14.3°C) and max 75.4°F (24.1°C). As April gives way to May, the average high-temperature displays an increase, moving from a comfortable 65.8°F (18.8°C) to a warm 75.4°F (24.1°C). Weather in May »
Weather in June
June, the first month of the summer in Ruma, is still a warm month, with an average temperature ranging between max 85.1°F (29.5°C) and min 66.4°F (19.1°C). June marks a rise in the average high-temperature, moving from May's 75.4°F (24.1°C) to a still warm 85.1°F (29.5°C). Weather in June »
Weather in July
July is a hot summer month in Ruma, Illinois, with temperature in the range of an average high of 87.3°F (30.7°C) and an average low of 68.5°F (20.3°C). July, noted for its average high-temperature of 87.3°F (30.7°C) and an average low-temperature of 68.5°F (20.3°C), is considered the warmest month. July's average heat index is evaluated at a torrid 102.2°F (39°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Ruma, Illinois, with an average temperature fluctuating between 85.5°F (29.7°C) and 66°F (18.9°C). As Ruma welcomes August, the average high-temperature records at a warm 85.5°F (29.7°C), marking an insignificant deviation from the prior month. Weather in August »
Weather in September
September, the first month of the autumn in Ruma, is still a warm month, with an average temperature ranging between max 79.7°F (26.5°C) and min 60.3°F (15.7°C). As August makes way for September, Ruma's average high-temperature eases from 85.5°F (29.7°C) to a still moderately hot 79.7°F (26.5°C). Weather in September »
Weather in October
October, like September, in Ruma, Illinois, is another comfortable autumn month, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 49.1°F (9.5°C). The move into October indicates a reduction in the average high-temperature, down from September's moderately hot 79.7°F (26.5°C) to an enjoyable 67.1°F (19.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Ruma, Illinois, with an average temperature fluctuating between 53.8°F (12.1°C) and 38.5°F (3.6°C). As November arrives, Ruma's weather displays a decrease in high-temperatures, transitioning from October's enjoyable 67.1°F (19.5°C) to a fresh 53.8°F (12.1°C). Weather in November »
Weather in December
December, the first month of the winter in Ruma, is also a frosty month, with an average temperature fluctuating between 43.5°F (6.4°C) and 31.1°F (-0.5°C). December involves a decrease in temperature, down from a cool 53.8°F (12.1°C) in November to a chilly 43.5°F (6.4°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Ruma?
In Ruma, the average lowest temperatures are observed in January, with a high of 39°F (3.9°C) and a low of 25.2°F (-3.8°C).
How much does it rain in Ruma?
Throughout the year, there are 138.9 rainfall days, and 26.81" (681mm) of precipitation is accumulated.
When does it snow in Ruma?
Months with snowfall in Ruma, Illinois, are January through March, November and December.
When does it snow the most in Ruma?
January is the month with the most snowfall in Ruma. Snow falls for 5.8 days and accumulates 2.01" (51mm) of snow.
How many days does it snow in Ruma?
Throughout the year, there are 16.7 snowfall days, and 6.38" (162mm) of snow is accumulated.
What is the month with the least sunshine in Ruma?
January has the least sunshine of the year in Ruma, Illinois, with an average of 4.7h of sunshine.
When is the lowest UV index in Ruma?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the driest month in Ruma?
The month with the least rainfall in Ruma is February, when the rain falls for 8.3 days and typically collects 1.42" (36mm) of precipitation.
When is Daylight Saving Time (DST) in Ruma?
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.
When it does not snow in Ruma?
April through October are months without snowfall in Ruma.
What is the most humid month in Ruma?
May is the most humid month, with an average relative humidity of 79%.
What is the rainiest month in Ruma?
The month with the most rainfall is May, when the rain falls for 15.3 days and typically aggregates up to 3.35" (85mm) of precipitation.
What is the month with the highest UV index in Ruma?
The months with the highest UV index in Ruma, Illinois, are May through August, with an average maximum UV index of 6.
When are the longest days in Ruma?
June has the longest days of the year, with an average of 14h and 48min of daylight.
What month has the most sunshine in Ruma?
June has the most sunshine of the year, with an average of 10.6h of sunshine.
What time of the year is the hottest in Ruma?
July stands out as Ruma's warmest month, with temperatures ranging between an average high of 87.3°F (30.7°C) and a low of 68.5°F (20.3°C).
What is the least humid month in Ruma?
With an average relative humidity of 71%, October is the least humid month in Ruma.
What is the month with the shortest days in Ruma?
December has the shortest days of the year in Ruma, with an average of 9h and 36min of daylight.
Average temperature
Ruma, IL
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure
Ruma, 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:
29.96"Hg - Average pressure in June:
29.93"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:
30.04"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Ruma, IL
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.1mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity
Ruma, IL
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Ruma, IL
- Average rainfall in January:
1.77" - Average rainfall in February:
1.42" - Average rainfall in March:
2.13" - Average rainfall in April:
2.95" - Average rainfall in May:
3.35" - Average rainfall in June:
2.95"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days
Ruma, IL
- Average rainfall days in January:
6.6 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
16.2 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
7.6 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (6.6 days).
Average snowfall
Ruma, IL
The month with the highest snowfall is January (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Ruma, IL
- Average snowfall days in January:
5.8 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.2 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:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
2.8 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight / Average sunshine
Ruma, 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 3min - 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 4min
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 36min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
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 42min).
Average sunshine days
Ruma, IL
- Average sunshine days in January:
20.2 days - Average sunshine days in February:
16.2 days - Average sunshine days in March:
15 days - Average sunshine days in April:
14.4 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
14.5 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
20 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is July (12.3 days).
Average UV index
Ruma, 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 and December (UV index 2).
Average cloud cover
Ruma, IL
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility
Ruma, 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).
Ruma, Illinois, USA
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