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Contents
- The climate of Lena
- The best time to visit Lena
- The Worst time to visit Lena
- Spring weather in Lena
- Summer weather in Lena
- Autumn weather in Lena
- Winter weather in Lena
- 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
The climate of Lena
Lena, Illinois falls under the mid-latitude Dfa zone of Köppen climate classification. Geographically located on the North American continent, it experiences a Humid continental, no dry season, hot summer climate. This area throughout the year demonstrates considerable variation in temperatures and weather conditions.
The temperature scale exhibits excessive variation with the highest average monthly temperature reported as 79.3°F (26.3°C) in July, dropping to a minimum of 12.9°F (-10.6°C) in January. The highest average humidity is seen in January and July at 87% and 85% correspondingly, maintaining a relatively high relative humidity year-round.
Precipitation varies between 1.06" (27mm), observed in January, rising to a maximum of 3.43" (87mm) in June. Snowfall is a noteworthy feature in Lena, with the highest recorded in January at 3.46" (88mm), however, no snowfall is reported from May to October. Cloud cover remains relatively consistent throughout the year, hovering around the 50% mark, peaking in January at 63%.
The temperature scale exhibits excessive variation with the highest average monthly temperature reported as 79.3°F (26.3°C) in July, dropping to a minimum of 12.9°F (-10.6°C) in January. The highest average humidity is seen in January and July at 87% and 85% correspondingly, maintaining a relatively high relative humidity year-round.
Precipitation varies between 1.06" (27mm), observed in January, rising to a maximum of 3.43" (87mm) in June. Snowfall is a noteworthy feature in Lena, with the highest recorded in January at 3.46" (88mm), however, no snowfall is reported from May to October. Cloud cover remains relatively consistent throughout the year, hovering around the 50% mark, peaking in January at 63%.
The best time to visit Lena
The optimal time to travel to Lena would hinge heavily on personal preferences. For sun-seekers, the months from May to August would be an enticing option. During this timeframe, average temperatures range from 67.5°F (19.7°C) to 79.3°F (26.3°C) and average daily sunlight ranges from 8.4 hours to 9.7 hours. Another noteworthy period to consider could be September, offering 72.5°F (22.5°C) temperatures and 8.9 hours of sunlight on average.
The Worst time to visit Lena
January and February tend to be the chilliest months in Lena, Illinois, with average temperatures spiralling to 12.9°F (-10.6°C) and 16°F (-8.9°C) respectively. Coupled with a high relative humidity of 87% and 86%, these months may not bode well with those not accustomed to cold weather climates. Adding to this, during these months, daylight lasts only around 9.5 to 10.6 hours and sunlight hours drop to about 3.6 to 3.7 hours, culminating in darker, colder days.
Spring weather in Lena
Spring in Lena usually sees average temperatures ascending from 43.5°F (6.4°C) in March to 67.5°F (19.7°C) in May. Precipitation during this period spikes from 1.34" (34mm) to 2.76" (70mm), with rainfall lasting between 12 days to 18.3 days. Relatively longer daylight hours can be enjoyed, starting from 12 hours in March and increasing to 14.6 hours by May.
Summer weather in Lena
The summer months from June to August witness the warmest temperatures in Lena, Illinois, ranging from 76.5°F (24.7°C) to 79.3°F (26.3°C). June sees the highest rainfall of 3.43" (87mm) experienced over 17.9 days, gradually going down to 1.77" (45mm) in August over 14.3 days. Ample sunlight ranging from 9.4 to 9.7 hours offers a delightful experience.
Autumn weather in Lena
During autumn, Lena's average temperatures gradually decline from a pleasant 72.5°F (22.5°C) in September to a more cooler 43.9°F (6.6°C) in November. Rainfall decreases from 1.69" (43mm) to 1.34 in November, offering relatively dry weather conditions. Daylight hours also shorten from 12.5 hours in September to 9.8 hours in November.
Winter weather in Lena
Winter in Lena can be quite chilly, with average temperatures decreasing from 31.6°F (-0.2°C) in December to 12.9°F (-10.6°C) in January. Precipitation in the form of snow is a common occurrence during this season, peaking at 3.46" (88mm) in January with a mere 1.06" (27mm) of rainfall. Compared to other seasons, winter sees fewer daylight hours, reducing from 9.1 hours in December to 9.5 hours in February.
Weather in January
January in Lena, Illinois, USA offers a winter wonderland, with chilly temperatures and frequent snowfall. Crisp and cold air is a constant companion, as is the heavy cloud cover. During this first month of the year, the relative humidity registers at 87%, contributing to the heightened perception of cold. Weather in January »
Weather in February
Lena's February weather retains the chilly touch of winter, albeit with a slight rise in temperatures compared to January. The number of snowfall days decreases from 13.1 to 11.3 days, suggesting the gradual transition towards spring. Weather in February »
Weather in March
For Lena, Illinois, March heralds the arrival of spring, with weather conditions reflecting the change. Snowfall becomes less common, making way for brighter days and visible signs of life in nature. The city experiences greater visibility, higher temperatures, and, consequently, more daylight hours. Weather in March »
Weather in April
In April, Lena's climate is distinctly spring-like, with a perceptible rise in temperatures, daylight hours, and occurrences of rainfall. The city transitions from its snowy season to a time characterized by budding trees and blooming flowers, visible under increased sunshine hours. Weather in April »
Weather in May
As Lena moves into May, warmer weather and more sunshine become the norm. It's the time when the town fully awakens from its winter hibernation, with nature blossoming all around and citizens basking in the spring weather. However, increased rainfall accompanies the higher temperatures, acting as nature's watering can to the thriving flora. Weather in May »
Weather in June
June brings summer to Lena, boasting sizable daylight hours, a reduction in cloud cover, and more hours of sunshine. A shift towards warmer days and nights becomes more apparent as the month progresses. The wind speed sees a drop and the presence of humidity increases, hinting at the essence of a classic Midwest summer. Weather in June »
Weather in July
In July, Lena, Illinois experiences the peak of its summer, with the highest temperatures, lowest wind speeds, and frequent sunshine. As mush as the heat dominates, the increased humidity percentage enhances the warm sensation. Beach outings and water sports attract locals and visitors alike, offering respite from the summer heat. Weather in July »
Weather in August
August in Lena welcomes late-summer weather, featuring high temperatures, ample daylight, and frequent sunshine. The month often retains details of July’s peak summer conditions, with only a slight decrease in average temperatures. Weather in August »
Weather in September
Lena's September marks the soothing transition from summer to the beginnings of fall. The air begins to cool, leaves start to turn, and daylight hours become noticeably shorter. While the weather is generally stable, occasional light rain showers can occur, enhancing the cool, crisp atmosphere that autumn brings. Weather in September »
Weather in October
In October, the colorful fall season dominates Lena, Illinois, with temperatures comfortably cool and the scenery transformed by vibrant leaf hues. Local parks and forests come alive with flaming autumn colors, providing excellent opportunities for nature enthusiasts and photographers. Weather in October »
Weather in November
November in Lena marks a considerable drop in temperatures and daylight hours, declaring the slow but steady approach of winter. As the month progresses, the colors of fall fade away, replaced by barren trees and increasingly gloomy skies. Weather in November »
Weather in December
December in Lena welcomes winter with open arms, with short daylight hours, low temperatures, and increased snowfall. Frosty weather creates striking white landscapes and holiday atmospheres throughout the town. It's a month of indoor activities and celebrations, with families huddling around warm fireplaces. Weather in December »
Updated: Aug 27, 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 part of the year is the coldest?
January, recording an average high temperature of 24.8°F (-4°C) and a low temperature of 12.9°F (-10.6°C), is Lena's coldest month.
What is the most humid month in Lena?
The most humid month is January, with an average relative humidity of 87%.
What is the driest month in Lena?
The month with the least rainfall is January, when the rain falls for 5.3 days and typically collects 1.06" (27mm) of precipitation.
How many days does it rain?
Throughout the year, there are 145.9 rainfall days, and 22.8" (579mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, October through December.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 13.1 days and accumulates 3.46" (88mm) of snow.
How much does it snow?
Throughout the year, in Lena, there are 50.1 snowfall days, and 13.62" (346mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.6h of sunshine.
When is the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST)?
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 are the least humid months?
The months with the lowest humidity are April and October, with an average relative humidity of 76%.
When it does not snow?
May through September are months without snowfall in Lena.
What is the month with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 5.
What is the wettest month?
June is the month with the most rainfall. Rain falls for 17.9 days and accumulates 3.43" (87mm) of precipitation.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What month is the hottest?
Lena's July weather reaches an average high of 79.3°F (26.3°C) and an average low of 62.8°F (17.1°C), making it the warmest month.
What is the month with the most sunshine?
The months with the most sunshine are July and August, with an average of 9.7h of sunshine.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Lena, 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 (24.8°F).
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure
Lena, IL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.95"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:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Lena, IL
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.5mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Lena, IL
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall
Lena, IL
- Average rainfall in January:
1.06" - Average rainfall in February:
1.1" - Average rainfall in March:
1.34" - Average rainfall in April:
2.36" - Average rainfall in May:
2.76" - Average rainfall in June:
3.43"
- Average rainfall in July:
2.76" - Average rainfall in August:
1.77" - Average rainfall in September:
1.69" - Average rainfall in October:
2.09" - Average rainfall in November:
1.34" - Average rainfall in December:
1.1"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days
Lena, IL
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
12 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
7.4 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall
Lena, IL
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Lena, IL
- Average snowfall days in January:
13.1 days - Average snowfall days in February:
11.3 days - Average snowfall days in March:
6.6 days - Average snowfall days in April:
2.5 days - Average snowfall days in May:
0.2 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:
1.1 days - Average snowfall days in November:
4 days - Average snowfall days in December:
11.3 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Lena, 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 4min - Average sunshine in February:
3h and 4min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 1min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Lena, IL
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
12.9 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
10.5 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
15.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index
Lena, IL
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Lena, IL
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility
Lena, IL
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Lena, Illinois, USA
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