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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 Silvis, Illinois, with an average temperature ranging between min 15.4°F (-9.2°C) and max 28.2°F (-2.1°C). With average high and low temperatures of 28.2°F (-2.1°C) and 15.4°F (-9.2°C) respectively, January is Silvis's coldest month. Weather in January »
Weather in February
The last month of the winter, February, is an icy month in Silvis, Illinois, with an average temperature varying between 19.6°F (-6.9°C) and 32.7°F (0.4°C). The start of February sees the average high-temperature at a wintry 32.7°F (0.4°C), showing little difference from January's 28.2°F (-2.1°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Silvis, Illinois, with an average temperature ranging between min 32°F (0°C) and max 46.8°F (8.2°C). The shift into March brings an increase in the average high-temperature, moving from an icy 32.7°F (0.4°C) in February to a chilly 46.8°F (8.2°C). Weather in March »
Weather in April
April in Silvis, Illinois, is a mild spring month, with an average temperature varying between 59°F (15°C) and 42.4°F (5.8°C). The start of April brings a shift in the average high-temperature, increasing from March's chilly 46.8°F (8.2°C) to a moderate 59°F (15°C). Weather in April »
Weather in May
May, the last month of the spring in Silvis, is a pleasant month, with an average temperature fluctuating between 53.4°F (11.9°C) and 70.3°F (21.3°C). With the onset of May, Silvis's average high-temperature sees a rise, moving from April's refreshing 59°F (15°C) to an agreeable 70.3°F (21.3°C). Weather in May »
Weather in June
June, the first month of the summer in Silvis, is a warm month, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 79°F (26.1°C). Observing a minor shift, the average high-temperature during June adjusts from May's agreeable 70.3°F (21.3°C) to a warm 79°F (26.1°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Silvis, Illinois, with an average temperature varying between 64.8°F (18.2°C) and 81.7°F (27.6°C). July temperatures tend to peak at an average high of 81.7°F (27.6°C) and dip to a low of 64.8°F (18.2°C). July's mean heat index is evaluated at a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Silvis, Illinois, with an average temperature ranging between min 62.4°F (16.9°C) and max 80.6°F (27°C). The weather during August records an average high-temperature of a still moderately hot 80.6°F (27°C), closely mirroring the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Silvis, is also a moderately hot month, with an average temperature ranging between max 75.4°F (24.1°C) and min 56.3°F (13.5°C). The shift to September signals an average high-temperature of a still moderately hot 75.4°F (24.1°C), subtly varied from August's 80.6°F (27°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Silvis, Illinois, with an average temperature ranging between min 45°F (7.2°C) and max 61.3°F (16.3°C). As September transitions to October, the average high-temperature falls from a moderately hot 75.4°F (24.1°C) to an enjoyable 61.3°F (16.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Silvis, Illinois, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 33.3°F (0.7°C). November is marked by a significant decrease, with the average high-temperature retreating from an enjoyable 61.3°F (16.3°C) in October to a frosty 46.9°F (8.3°C). Weather in November »
Weather in December
December, the first month of the winter in Silvis, is still a cold month, with temperature in the range of an average high of 34.5°F (1.4°C) and an average low of 23.9°F (-4.5°C). December shows a mild decline in the average high-temperature, falling from November's frosty 46.9°F (8.3°C) to a wintry 34.5°F (1.4°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Silvis?
Silvis's temperature records reveal January as the coldest month, marked by average highs of 28.2°F (-2.1°C) and lows of 15.4°F (-9.2°C).
What is the most humid month in Silvis?
January and July, with an average relative humidity of 83%, are most humid months in Silvis.
How much does it rain in Silvis?
In Silvis, during the entire year, the rain falls for 99.4 days and collects up to 9.57" (243mm) of precipitation.
When does it snow in Silvis?
Months with snowfall are January through April, September through December.
What is the snowiest month in Silvis?
January is the month with the most snowfall in Silvis. Snow falls for 7.2 days and accumulates 1.26" (32mm) of snow.
How much does it snow in Silvis?
In Silvis, Illinois, during the entire year, snow falls for 24.5 days and aggregates up to 4.09" (104mm) of snow.
What is the month with the least sunshine in Silvis?
With an average of 3.9h of sunshine, January has the least sunshine of the year in Silvis, Illinois.
When is the lowest UV index in Silvis?
With an average maximum UV index of 1, January is the month with the lowest UV index in Silvis.
When is Daylight Saving Time (DST) in Silvis?
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 is the rainiest month in Silvis?
The month with the most rainfall is May, when the rain falls for 13.4 days and typically aggregates up to 1.61" (41mm) of precipitation.
When it does not snow in Silvis?
May through August are months without snowfall.
When are the longest days in Silvis?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What part of the year is the hottest in Silvis?
Silvis, Illinois, witnesses the warmest weather in July, with temperatures averaging a high of 81.7°F (27.6°C) and a low of 64.8°F (18.2°C).
What month has the most sunshine in Silvis?
The month with the most sunshine in Silvis is July, with an average of 10.1h of sunshine.
When is the highest UV index in Silvis?
July is the month with the highest UV index in Silvis, Illinois, with an average maximum UV index of 6.
What is the least humid month in Silvis?
October is the least humid month in Silvis, Illinois, with an average relative humidity of 71%.
What is the driest month in Silvis?
December is the month with the least rainfall in Silvis. Rain falls for 4.1 days and accumulates 0.35" (9mm) of precipitation.
What is the month with the shortest days in Silvis?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Silvis, 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 (28.2°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure
Silvis, 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:
29.91"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 (29.91"Hg).
Average wind speed
Silvis, 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
Silvis, 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
Silvis, IL
- Average rainfall in January:
0.43" - Average rainfall in February:
0.39" - Average rainfall in March:
0.63" - Average rainfall in April:
1.02" - Average rainfall in May:
1.61" - Average rainfall in June:
1.26"
- Average rainfall in July:
1.18" - Average rainfall in August:
0.71" - Average rainfall in September:
0.75" - Average rainfall in October:
0.71" - Average rainfall in November:
0.51" - Average rainfall in December:
0.35"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days
Silvis, IL
- Average rainfall days in January:
3.2 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
8.2 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
13.1 days
- Average rainfall days in July:
11.2 days - Average rainfall days in August:
10.7 days - Average rainfall days in September:
6.9 days - Average rainfall days in October:
8.4 days - Average rainfall days in November:
5.1 days - Average rainfall days in December:
4.1 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.2 days).
Average snowfall
Silvis, IL
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days
Silvis, IL
- Average snowfall days in January:
7.2 days - Average snowfall days in February:
6.2 days - Average snowfall days in March:
3.1 days - Average snowfall days in April:
0.8 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:
0.6 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Silvis, 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 1min - Average sunshine in March:
6h and 2min - 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:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Silvis, IL
- Average sunshine days in January:
22.2 days - Average sunshine days in February:
19.5 days - Average sunshine days in March:
19.8 days - Average sunshine days in April:
16.7 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
14.4 days
- Average sunshine days in July:
16.2 days - Average sunshine days in August:
17.4 days - Average sunshine days in September:
20.9 days - Average sunshine days in October:
21.3 days - Average sunshine days in November:
22.1 days - Average sunshine days in December:
22.4 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (14.4 days).
Average UV index
Silvis, IL
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Silvis, 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
Silvis, 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).
Silvis, Illinois, USA
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