Climate and monthly weather forecastMoline, IL
Climate and monthly weather forecast
The climate of Moline
According to the Köppen climate classification, Moline, Illinois, resides in a Dfa zone, meaning it experiences a humid continental climate with no dry season and hot summers. The geographical position of Moline, on the western edge of Illinois and nestled along the Mississippi River, further influences its weather patterns.Throughout the year, Moline endures a significant shift in temperatures. The monthly average highs range from 28°F (-2.2°C) in January to an established heat of 81.7°F (27.6°C) in July. The monthly average lows also fluctuate comprehensively, marking 15.6°F (-9.1°C) in January and peaking at 64.9°F (18.3°C) in July. This suggests a notable difference between the cold winters and the hot summers. Humidity, staying around 70% to 80% year-round, adds to the wet, muggy character of the climate.
Rainfall varies moderately with seasonality. The yearly highs reach around 4.49" (114mm) in May, while the depths of winter see the least amount of rainfall, averaging around 1.26" (32mm) in December. Alongside, the number of rainfall days varies markedly from 4.3 days in January to a peak of 17.5 days in May. July tends to be the month with the most sunshine hours, reaching up to 10.2 hours per day.
Snowfall accumulates, particularly in the winter months, with January witnessing an average of 3.98" (101mm) over 10.9 days. Sudden gusts of wind are a frequent feature, with the maximum wind speed reaching 16.5mph (26.6km/h) in January and November.
The best time to visit Moline
Considering the varied conditions, the best time to visit Moline typically aligns with the late spring and summer months. Between May and August, the city experiences high temperatures ranging from 70.3°F (21.3°C) to 81.7°F (27.6°C) coupled with longer daylight hours, reaching up to 15.1 hours in June. The warm temperatures and extended daylight allow visitors to enjoy outdoor activities fully.The worst time to visit Moline
The latter part of autumn through early spring, from November to February, may be considered the least desirable time to visit Moline. These months come with biting cold temperatures, with average lows ranging from 33.3°F (0.7°C) to 15.6°F (-9.1°C), as well as shorter daylight hours, averaging between 9.2 to 10.6 hours per day.Spring weather in Moline
Spring initiates warmer weather in Moline, transitioning from average low temperatures of 32°F (0°C) in March to a milder 53.2°F (11.8°C) in May. Correspondingly, the average high temperatures start at a comfortable 46.8°F (8.2°C) in March and climb to 70.3°F (21.3°C) by the end of May. Rainfall also increases during this period, with May experiencing the highest amount at an average of 4.49" (114mm) across 17.5 days.Summer weather in Moline
The summer months from June to August bring hot temperatures in Moline. Average highs persist between 79°F (26.1°C) and 81.7°F (27.6°C), and average lows hold firm from 62.1°F (16.7°C) to 64.9°F (18.3°C). Humidity levels also rise slightly, making summer days feel hotter. Despite high rainfall volumes, especially in June when it averages 3.39" (86mm), there is a significant number of sunshine hours.Autumn weather in Moline
Autumn weather in Moline is characterized by gradually decreasing temperatures and an uptick in wind speed. Average high temperatures drop from 75.4°F (24.1°C) in September to 46.8°F (8.2°C) in November. In tandem, average low temperatures decrease steadily, from 56.3°F (13.5°C) in September to a chillier 33.3°F (0.7°C) in November.Winter weather in Moline
The winter months in Moline, from December to February, are marked by cold temperatures and snowfall. Average lows dip down from 23.7°F (-4.6°C) in December to 15.6°F (-9.1°C) in January, while average highs rest between 34.3°F (1.3°C) and 28°F (-2.2°C). Considerable snowfall can be expected during these months, especially in January, which witnesses an average of 3.98" (101mm).Weather in January
The new year begins in Moline, Illinois with the chill of winter firmly in place. Visitors to Moline in January should brace themselves for high temperatures barely reaching 28°F (-2.2°C) and lows plunging to 15.6°F (-9.1°C), making this the coldest month of the year. Weather in January »Weather in February
As February arrives in Moline, there is a slight increase in daily temperatures when compared to January. However, this remains a month dominated by winter chill. Brief moments of sunlight and longer daylight hours induce slight warming. Weather in February »Weather in March
Signs of spring start to emerge in Moline during March. The temperatures rise gently resulting in thawing of accumulated ice from preceding months. The city experiences a significant decrease of snowfall to only 1.73" (44mm). The daylight hours expand to twelve, heralding spring's impending arrival. Weather in March »Weather in April
April marks a significant change in weather patterns in Moline, with snow giving way to rainfall. This can be seen with 3.03" (77mm) of rainfall, whereas snowfall plummets to a mere 0.79" (20mm). With spring fully set in, flowers bloom abundantly, painting the city in vibrant hues. Weather in April »Weather in May
Moline's weather profile shifts drastically in May, as the city embraces late spring and the onset of summer. Following the dissolution of all remaining snow, the city gets a hefty rainfall measuring 4.49" (114mm). This month boasts the highest rainfall for the year. Weather in May »Weather in June
June brings the onset of a gentle summer to Moline. The shift in climatic conditions is marked by the high temperature rising to 79°F (26.1°C). The rainfall decreases slightly to 3.39" (86mm) from the record high in May. This, along with increased sunshine and daylight hours, signals the perfect start to summer. Weather in June »Weather in July
Caught in the middle of the year, July is the warmest month in Moline. The highest temperature of the year is recorded in July with a peak at 81.7°F (27.6°C). Simultaneously, rainfall reduces to 2.8" (71mm), making room for many sunlit days. Weather in July »Weather in August
In August, Moline's weather is characterized by typical high summer conditions. The high temperature dips marginally to 80.8°F (27.1°C), yet the comforting warmth of the summer strategically reigns. Rainfall decreases further, limiting to 1.89" (48mm) for the month. Weather in August »Weather in September
The month of September rings in the soft closure of summer in Moline. A slight drop in transitional temperature leans towards the fall, while rainfall increases to 2.05" (52mm). However, summer's hangover persists with enough warmth and sunlight to embark on outdoor activities. Weather in September »Weather in October
As October arrives, Moline transitions into fall, known for its vibrant foliage. A sudden dip in temperature illustrates the advent of autumn. The city witnesses an increase in rainfall with a reading of 2.4" (61mm), adding to the vibrancy of fall colors. Weather in October »Weather in November
November in Moline is characterized by the bold arrival of winter. A significant drop in temperature is noticeable. Snowfall makes its first appearance after the summer months, reaching 0.91" (23mm), indicating the start of the frosty season. Weather in November »Weather in December
The year in Moline concludes on a truly wintry note in December. Lower temperatures, reaching 34.3°F (1.3°C), dominate, reflecting the full onset of the cold winter month. Noteworthy is the increase in snowfall to 1.89" (48mm), offering a potential white Christmas. 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
Moline's coldest month, January, generally records average temperatures ranging from a high of 28°F (-2.2°C) to a low of 15.6°F (-9.1°C).
January and July, with an average relative humidity of 83%, are most humid months.
Throughout the year, in Moline, there are 138.1 rainfall days, and 27.32" (694mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
January is the month with the most snowfall in Moline, Illinois. Snow falls for 10.9 days and accumulates 3.98" (101mm) of snow.
Throughout the year, in Moline, Illinois, there are 35.5 snowfall days, and 12.8" (325mm) of snow is accumulated.
The month with the least sunshine in Moline is January, with an average of 3.9h of sunshine.
January is the month with the lowest UV index, with an average maximum UV index of 1.
February is the month with the least rainfall in Moline, Illinois. Rain falls for 4.8 days and accumulates 1.1" (28mm) of precipitation.
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.
The month with the most rainfall is May, when the rain falls for 17.5 days and typically aggregates up to 4.49" (114mm) of precipitation.
In Moline, Illinois, snow does not fall in May through September.
June has the longest days of the year in Moline, Illinois, with an average of 15h and 6min of daylight.
July, with an average high of 81.7°F (27.6°C) and a low of 64.9°F (18.3°C), signifies the warmest month of the year in Moline.
July has the most sunshine of the year in Moline, with an average of 10.2h of sunshine.
The months with the highest UV index in Moline, Illinois, are July and August, with an average maximum UV index of 6.
The least humid month in Moline, Illinois, is October, with an average relative humidity of 71%.
With an average of 9h and 12min of daylight, December has the shortest days of the year in Moline.
Average temperature
Moline, IL
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure
Moline, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Moline, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity
Moline, IL
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Moline, IL
- Average rainfall in January:
1.3" - Average rainfall in February:
1.1" - Average rainfall in March:
1.85" - Average rainfall in April:
3.03" - Average rainfall in May:
4.49" - Average rainfall in June:
3.39"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days
Moline, IL
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
11 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
12 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
6.9 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).
Average snowfall
Moline, IL
The month with the highest snowfall is January (3.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Moline, IL
- Average snowfall days in January:
10.9 days - Average snowfall days in February:
9.2 days - Average snowfall days in March:
4.7 days - Average snowfall days in April:
1 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 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
6.9 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Moline, IL
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 12min
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 54min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 18min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Moline, IL
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
15.7 days - Average sunshine days in April:
12 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
17.4 days - Average sunshine days in October:
17.2 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.4 days).
Average UV index
Moline, IL
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Moline, IL
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Moline, 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).
