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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 Marissa, Illinois, with an average temperature ranging between min 25.2°F (-3.8°C) and max 38.3°F (3.5°C). In Marissa, the lowest average temperatures are observed in January, with a high of 38.3°F (3.5°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 Marissa, is a frosty month, with temperature in the range of an average high of 43.3°F (6.3°C) and an average low of 28.8°F (-1.8°C). With the onset of February, the average high-temperature registers at a chilly 43.3°F (6.3°C), subtly different from January's 38.3°F (3.5°C). Weather in February »
Weather in March
March, the first month of the spring in Marissa, is a cool month, with an average temperature fluctuating between 54.5°F (12.5°C) and 38.3°F (3.5°C). The arrival of March brings a temperature shift, with the average high-temperature escalating from a chilly 43.3°F (6.3°C) in February to a cool 54.5°F (12.5°C). Weather in March »
Weather in April
April in Marissa, Illinois, is an enjoyable spring month, with an average temperature fluctuating between 65.7°F (18.7°C) and 47.8°F (8.8°C). April's arrival sees a rise in the average high-temperature, jumping from March's fresh 54.5°F (12.5°C) to an enjoyable 65.7°F (18.7°C). Weather in April »
Weather in May
May, the last month of the spring in Marissa, is a warm month, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 75°F (23.9°C). Observing a rise in May, the average high-temperature goes from April's refreshing 65.7°F (18.7°C) to a warm 75°F (23.9°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Marissa, Illinois, with an average temperature ranging between min 66.4°F (19.1°C) and max 84.6°F (29.2°C). A shift in the average high-temperature is noticeable in June, changing from a moderately hot 75°F (23.9°C) in May to a still warm 84.6°F (29.2°C). Weather in June »
Weather in July
July is a tropical summer month in Marissa, Illinois, with an average temperature fluctuating between 86.5°F (30.3°C) and 68.5°F (20.3°C). July, with its high-temperature average of 86.5°F (30.3°C) and a low-temperature average of 68.5°F (20.3°C), is the warmest month. In July, the average heat index is calculated to be a very hot 100.4°F (38°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Marissa, Illinois, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 84.7°F (29.3°C). August commences with an average high-temperature of a moderately hot 84.7°F (29.3°C), showing little deviation from July's 86.5°F (30.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Marissa, is also a moderately hot month, with an average temperature fluctuating between 60.1°F (15.6°C) and 79.3°F (26.3°C). A mild shift in the average high-temperature occurs in September, reducing from 84.7°F (29.3°C) in August to a still moderately hot 79.3°F (26.3°C). Weather in September »
Weather in October
October, like September, in Marissa, Illinois, is another enjoyable autumn month, with an average temperature ranging between min 49.1°F (9.5°C) and max 66.7°F (19.3°C). The commencement of October indicates a shift in the average high-temperature, receding from September's moderately hot 79.3°F (26.3°C) to a refreshing 66.7°F (19.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Marissa, Illinois, with an average temperature varying between 53.6°F (12°C) and 38.3°F (3.5°C). The decrease of average high-temperatures is mild in November, with a decline from a refreshing 66.7°F (19.3°C) in October to a cool 53.6°F (12°C). Weather in November »
Weather in December
December, the first month of the winter in Marissa, is still a chilly month, with temperature in the range of an average high of 43.3°F (6.3°C) and an average low of 31.1°F (-0.5°C). In December, the average high-temperature goes from a cool 53.6°F (12°C) in November to a chilly 43.3°F (6.3°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Marissa?
Marissa experiences its average lowest temperatures in January, reaching a peak of 38.3°F (3.5°C) and a minimum of 25.2°F (-3.8°C).
How many days does it rain in Marissa?
In Marissa, Illinois, during the entire year, the rain falls for 129.6 days and collects up to 19.09" (485mm) of precipitation.
When does it snow in Marissa?
Months with snowfall in Marissa, Illinois, are January through March, September through December.
What is the snowiest month in Marissa?
January is the month with the most snowfall. Snow falls for 5.6 days and accumulates 1.06" (27mm) of snow.
How much does it snow in Marissa?
Throughout the year, in Marissa, there are 16.2 snowfall days, and 3.19" (81mm) of snow is accumulated.
What is the month with the least sunshine in Marissa?
January has the least sunshine of the year, with an average of 4.7h of sunshine.
What is the month with the lowest UV index in Marissa?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Marissa, Illinois.
What is the driest month in Marissa?
February is the month with the least rainfall. Rain falls for 7.4 days and accumulates 0.83" (21mm) of precipitation.
When is Daylight Saving Time (DST) in Marissa?
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 Marissa?
In Marissa, Illinois, snow does not fall in April through August.
What is the most humid month in Marissa?
May is the most humid month in Marissa, with an average relative humidity of 79%.
What is the rainiest month in Marissa?
May is the month with the most rainfall. Rain falls for 14.8 days and accumulates 2.48" (63mm) of precipitation.
What is the month with the highest UV index in Marissa?
The months with the highest UV index in Marissa, Illinois, are May through August, with an average maximum UV index of 6.
When are the longest days in Marissa?
With an average of 14h and 48min of daylight, June has the longest days of the year.
What month has the most sunshine in Marissa?
The month with the most sunshine in Marissa, Illinois, is June, with an average of 10.6h of sunshine.
What part of the year is the hottest in Marissa?
July, having an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 68.5°F (20.3°C), is the warmest month in Marissa, Illinois.
What is the least humid month in Marissa?
With an average relative humidity of 71%, October is the least humid month in Marissa, Illinois.
What is the month with the shortest days in Marissa?
With an average of 9h and 36min of daylight, December has the shortest days of the year in Marissa.
Average temperature
Marissa, IL
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.3°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
Marissa, 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
Marissa, IL
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.2mph - Average wind speed in April:
9mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.7mph
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 (5.6mph).
Average humidity
Marissa, IL
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Marissa, IL
- Average rainfall in January:
1.18" - Average rainfall in February:
0.83" - Average rainfall in March:
1.3" - Average rainfall in April:
2.05" - Average rainfall in May:
2.48" - Average rainfall in June:
2.13"
- Average rainfall in July:
2.13" - Average rainfall in August:
2.05" - Average rainfall in September:
1.1" - Average rainfall in October:
1.65" - Average rainfall in November:
1.02" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days
Marissa, IL
- Average rainfall days in January:
6.5 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
12.5 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is July (15.1 days).
The months with the least rainy days are January and December (6.5 days).
Average snowfall
Marissa, IL
The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, May, June, July and August (0").
Average snowfall days
Marissa, IL
- Average snowfall days in January:
5.6 days - Average snowfall days in February:
4.7 days - Average snowfall days in March:
1.4 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:
0.1 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
3.1 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Marissa, 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 4min - 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 2min - 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:
4h and 5min
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
Marissa, IL
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
16.9 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
16 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
14.2 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
21.7 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is July (13.7 days).
Average UV index
Marissa, 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
Marissa, IL
The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility
Marissa, 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).
Marissa, Illinois, USA
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