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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 another subzero cold winter month in Serena, Illinois, with an average temperature ranging between max 28.8°F (-1.8°C) and min 17.1°F (-8.3°C). Serena experiences its lowest average temperatures in January, reaching a peak of 28.8°F (-1.8°C) and a minimum of 17.1°F (-8.3°C). Weather in January »
Weather in February
February, the last month of the winter in Serena, is an icy month, with an average temperature fluctuating between 33.1°F (0.6°C) and 19.9°F (-6.7°C). The onset of February brings an average high-temperature of an icy 33.1°F (0.6°C), nearly matching the January temperature. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Serena, Illinois, with an average temperature ranging between min 32°F (0°C) and max 46.4°F (8°C). March sees a rise in the average high-temperature, climbing from a wintry 33.1°F (0.6°C) in February to a chilly 46.4°F (8°C). Weather in March »
Weather in April
April in Serena, Illinois, is a moderate spring month, with temperature in the range of an average high of 58.5°F (14.7°C) and an average low of 41.7°F (5.4°C). The arrival of April brings an increase in high-temperatures, moving from a chilly 46.4°F (8°C) in March to a mild 58.5°F (14.7°C). Weather in April »
Weather in May
May, the last month of the spring in Serena, is an agreeable month, with an average temperature ranging between max 70.3°F (21.3°C) and min 53.1°F (11.7°C). An increase in the average high-temperature marks May, moving from April's moderate 58.5°F (14.7°C) to an agreeable 70.3°F (21.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Serena, Illinois, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 61.3°F (16.3°C). Observing a minor shift, the average high-temperature during June adjusts from May's agreeable 70.3°F (21.3°C) to a moderately hot 78.6°F (25.9°C). Weather in June »
Weather in July
July, like June, in Serena, Illinois, is another warm summer month, with an average temperature fluctuating between 81°F (27.2°C) and 64°F (17.8°C). The highest temperatures are recorded in July, with averages reaching a high of 81°F (27.2°C) and a low of 64°F (17.8°C). During July, the heat index is appraised at a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Serena, Illinois, with an average temperature fluctuating between 62.1°F (16.7°C) and 79.3°F (26.3°C). The transition from July to August sees an average high-temperature of a still moderately hot 79.3°F (26.3°C), indicating a minor variance from the prior month. Weather in August »
Weather in September
September, the first month of the autumn in Serena, is also a moderately hot month, with an average temperature fluctuating between 56.1°F (13.4°C) and 74.5°F (23.6°C). The arrival of September marks a slight shift to an average high-temperature of a still moderately hot 74.5°F (23.6°C) from August's 79.3°F (26.3°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Serena, Illinois, with an average temperature ranging between max 61.7°F (16.5°C) and min 45.5°F (7.5°C). The start of October comes with a reduction in the average high-temperature, receding from a warm 74.5°F (23.6°C) in September to an enjoyable 61.7°F (16.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Serena, is also a frosty month, with an average temperature ranging between max 46.8°F (8.2°C) and min 33.4°F (0.8°C). November is characterized by a noticeable reduction in the average high-temperature, falling from a comfortable 61.7°F (16.5°C) in October to a frosty 46.8°F (8.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Serena, Illinois, with an average temperature fluctuating between 34.7°F (1.5°C) and 24.8°F (-4°C). As November transitions into December, Serena sees a drop in the average high-temperature, transitioning from a chilly 46.8°F (8.2°C) to a cold 34.7°F (1.5°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Serena?
January proves to be the coldest month, recording an average maximum temperature of 28.8°F (-1.8°C) and a minimum temperature of 17.1°F (-8.3°C).
How many days does it rain in Serena?
In Serena, Illinois, during the entire year, the rain falls for 97.4 days and collects up to 8.07" (205mm) of precipitation.
When does it snow in Serena?
January through April, October through December are months with snowfall in Serena, Illinois.
What is the snowiest month in Serena?
January is the month with the most snowfall in Serena, Illinois. Snow falls for 8.3 days and accumulates 0.98" (25mm) of snow.
How many days does it snow in Serena?
Throughout the year, in Serena, there are 26.1 snowfall days, and 3.54" (90mm) of snow is accumulated.
What is the month with the least sunshine in Serena?
January has the least sunshine of the year, with an average of 3.8h of sunshine.
What are the months with the lowest UV index in Serena?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Serena, Illinois.
When is Daylight Saving Time (DST) in Serena?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Serena, 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 wettest month in Serena?
May is the month with the most rainfall in Serena. Rain falls for 13.5 days and accumulates 1.14" (29mm) of precipitation.
When it does not snow in Serena?
May through September are months without snowfall in Serena.
When are the longest days in Serena?
June has the longest days of the year, with an average of 15h and 6min of daylight.
When is the highest UV index in Serena?
The months with the highest UV index in Serena, Illinois, are June and July, with an average maximum UV index of 6.
What month is the hottest in Serena?
Serena's warmest month, July, registers temperatures that range from a high of 81°F (27.2°C) to a low of 64°F (17.8°C).
What is the most humid month in Serena?
July is the most humid month in Serena, Illinois, with an average relative humidity of 85%.
What month has the most sunshine in Serena?
August has the most sunshine of the year in Serena, Illinois, with an average of 9.8h of sunshine.
What is the least humid month in Serena?
October is the least humid month in Serena, Illinois, with an average relative humidity of 73%.
What is the driest month in Serena?
The month with the least rainfall in Serena is November, when the rain falls for 5.4 days and typically collects 0.35" (9mm) of precipitation.
What is the month with the shortest days in Serena?
The month with the shortest days in Serena, Illinois, is December, with an average of 9h and 12min of daylight.
Average temperature
Serena, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure
Serena, IL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"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:
30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Serena, IL
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Serena, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Serena, IL
- Average rainfall in January:
0.43" - Average rainfall in February:
0.39" - Average rainfall in March:
0.47" - Average rainfall in April:
1.02" - Average rainfall in May:
1.14" - Average rainfall in June:
0.87"
- Average rainfall in July:
0.98" - Average rainfall in August:
0.59" - Average rainfall in September:
0.63" - Average rainfall in October:
0.75" - Average rainfall in November:
0.35" - Average rainfall in December:
0.43"
The wettest month (with the highest rainfall) is May (1.14").
The driest month (with the least rainfall) is November (0.35").
Average rainfall days
Serena, IL
- Average rainfall days in January:
3 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
11.8 days
- Average rainfall days in July:
10.9 days - Average rainfall days in August:
9.8 days - Average rainfall days in September:
7.5 days - Average rainfall days in October:
8.1 days - Average rainfall days in November:
5.4 days - Average rainfall days in December:
4.7 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (3 days).
Average snowfall
Serena, IL
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Serena, IL
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
6.2 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
1 days - Average snowfall days in May:
0.1 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:
0.4 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
4.8 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Serena, IL
- Average daylight in January:
9h and 4min - 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 3min - 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 1min - 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 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Serena, IL
- Average sunshine days in January:
22.6 days - Average sunshine days in February:
20.2 days - Average sunshine days in March:
19.1 days - Average sunshine days in April:
16.5 days - Average sunshine days in May:
14.7 days - Average sunshine days in June:
15 days
- Average sunshine days in July:
15 days - Average sunshine days in August:
18.4 days - Average sunshine days in September:
20 days - Average sunshine days in October:
20.6 days - Average sunshine days in November:
22.2 days - Average sunshine days in December:
23 days
The month with the most sunshine days is December (23 days).
The month with the least sunshine days is May (14.7 days).
Average UV index
Serena, 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
Serena, IL
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility
Serena, 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).
Serena, Illinois, USA
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