Climate and monthly weather forecastPenfield, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Penfield, Illinois, is a freezing cold winter month, with an average temperature fluctuating between 19.8°F (-6.8°C) and 31.5°F (-0.3°C). Penfield's January weather, marked by an average high temperature of 31.5°F (-0.3°C) and an average low temperature of 19.8°F (-6.8°C), is the coldest in the year. Weather in January »Weather in February
February, the last month of the winter in Penfield, is a wintry month, with temperature in the range of an average low of 23.7°F (-4.6°C) and an average high of 36.1°F (2.3°C). The advent of February brings an average high-temperature of a cold 36.1°F (2.3°C), exhibiting minor difference from the previous month. Weather in February »Weather in March
March, the first month of the spring in Penfield, is a chilly month, with temperature in the range of an average high of 49.1°F (9.5°C) and an average low of 34.3°F (1.3°C). Penfield's March weather brings a rise in high-temperatures, moving from a cold 36.1°F (2.3°C) in February to a chilly 49.1°F (9.5°C). Weather in March »Weather in April
April in Penfield, Illinois, is a refreshing spring month, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 45.3°F (7.4°C). With the onset of April, Penfield's weather sees a temperature rise, transitioning from a chilly 49.1°F (9.5°C) in March to a comfortable 60.8°F (16°C). Weather in April »Weather in May
May, the last month of the spring in Penfield, is an agreeable month, with an average temperature ranging between max 72.1°F (22.3°C) and min 55.6°F (13.1°C). May brings a rise in the average high-temperature, transitioning from April's enjoyable 60.8°F (16°C) to an agreeable 72.1°F (22.3°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Penfield, Illinois, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 79.9°F (26.6°C). The coming of June brings a minor shift in Penfield's weather, with average high-temperatures adjusting from May's agreeable 72.1°F (22.3°C) to a warm 79.9°F (26.6°C). Weather in June »Weather in July
July, like June, in Penfield, Illinois, is another warm summer month, with an average temperature ranging between max 81°F (27.2°C) and min 64.8°F (18.2°C). With average temperatures fluctuating between a high of 81°F (27.2°C) and a low of 64.8°F (18.2°C), July stands out as the warmest month. For July, the heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Penfield, Illinois, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 63.1°F (17.3°C). The commencement of August brings an average high-temperature of a still moderately hot 80.2°F (26.8°C), marking an inconsequential divergence from July. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Penfield, Illinois, with an average temperature ranging between min 57.9°F (14.4°C) and max 76.1°F (24.5°C). The unfolding of September shows an average high-temperature of a still warm 76.1°F (24.5°C), indicating a slight variance from August's 80.2°F (26.8°C). Weather in September »Weather in October
October, like September, in Penfield, Illinois, is another refreshing autumn month, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 47.1°F (8.4°C). In October, the meteorological conditions alter, with the average high-temperature shifting from a moderately hot 76.1°F (24.5°C) in September to a refreshing 63.1°F (17.3°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Penfield, Illinois, with an average temperature fluctuating between 48.7°F (9.3°C) and 35.6°F (2°C). With the onset of November, Penfield's average high-temperature experiences a noticeable drop, receding from October's comfortable 63.1°F (17.3°C) to a chilly 48.7°F (9.3°C). Weather in November »Weather in December
December, the first month of the winter in Penfield, is also an icy month, with an average temperature fluctuating between 27.5°F (-2.5°C) and 37.6°F (3.1°C). The arrival of December corresponds with a reduction in the average high-temperature, down from November's chilly 48.7°F (9.3°C) to an icy 37.6°F (3.1°C). 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
Penfield's January weather, with an average high temperature of 31.5°F (-0.3°C) and an average low temperature of 19.8°F (-6.8°C), tends to be the coldest of the year.
In Penfield, Illinois, during the entire year, the rain falls for 121.5 days and collects up to 13.46" (342mm) of precipitation.
January through April, November and December are months with snowfall in Penfield, Illinois.
Throughout the year, there are 26.9 snowfall days, and 3.78" (96mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 4h of sunshine.
The months with the lowest UV index in Penfield are January, February, November and December, with an average maximum UV index of 2.
February is the month with the least rainfall. Rain falls for 4.6 days and accumulates 0.67" (17mm) of precipitation.
The month with the most snowfall is February, when snow falls for 7.3 days and typically aggregates up to 1.38" (35mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Penfield, 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.
May is the month with the most rainfall. Rain falls for 14.8 days and accumulates 1.77" (45mm) of precipitation.
May through October are months without snowfall in Penfield.
June has the longest days of the year in Penfield, with an average of 15h and 0min of daylight.
The month with the most sunshine in Penfield is June, with an average of 10.1h of sunshine.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
The warmest period in Penfield, Illinois, is July, when temperatures fluctuate between an average high of 81°F (27.2°C) and a low of 64.8°F (18.2°C).
July is the most humid month, with an average relative humidity of 85%.
October is the least humid month, with an average relative humidity of 71%.
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Penfield, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°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 (19.8°F).
Average pressure
Penfield, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"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:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Penfield, IL
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.4mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.1mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity
Penfield, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Penfield, IL
- Average rainfall in January:
0.87" - Average rainfall in February:
0.67" - Average rainfall in March:
1.22" - Average rainfall in April:
1.57" - Average rainfall in May:
1.77" - Average rainfall in June:
1.57"
- Average rainfall in July:
1.38" - Average rainfall in August:
1.14" - Average rainfall in September:
0.75" - Average rainfall in October:
1.06" - Average rainfall in November:
0.75" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days
Penfield, IL
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
13.9 days - Average rainfall days in August:
11.7 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
6.9 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall
Penfield, IL
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Penfield, IL
- Average snowfall days in January:
7.9 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
2.9 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 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
6.1 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Penfield, IL
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 54min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Penfield, IL
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
16.5 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
17.4 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Penfield, IL
The months with the highest UV index are 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
Penfield, IL
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Penfield, 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).
