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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 a freezing cold winter month in Arrowsmith, Illinois, with an average temperature fluctuating between 31.3°F (-0.4°C) and 19.6°F (-6.9°C). Arrowsmith's coldest temperatures are experienced in January, with average high temperatures of 31.3°F (-0.4°C) and lows of 19.6°F (-6.9°C). Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Arrowsmith, Illinois, with an average temperature fluctuating between 35.8°F (2.1°C) and 23°F (-5°C). Arrowsmith's average high-temperature marks a wintry 35.8°F (2.1°C) with the advent of February, closely mirroring that of the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Arrowsmith, Illinois, with an average temperature ranging between min 34.3°F (1.3°C) and max 49.1°F (9.5°C). The shift from February to March is marked by an increase in the average high-temperature, moving from a cold 35.8°F (2.1°C) to a chilly 49.1°F (9.5°C). Weather in March »
Weather in April
April is an enjoyable spring month in Arrowsmith, Illinois, with an average temperature ranging between max 61.2°F (16.2°C) and min 44.8°F (7.1°C). April's onset witnesses a shift in the average high-temperature, moving from a frosty 49.1°F (9.5°C) in March to an enjoyable 61.2°F (16.2°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Arrowsmith, Illinois, with an average temperature varying between 72°F (22.2°C) and 55.6°F (13.1°C). In May, the average high-temperature increases from a refreshing 61.2°F (16.2°C) in April to a pleasant 72°F (22.2°C). Weather in May »
Weather in June
June, the first month of the summer in Arrowsmith, is a warm month, with an average temperature varying between 63.5°F (17.5°C) and 79.7°F (26.5°C). The shift from May to June is marked by a slight increase in the average high-temperature, moving from a pleasant 72°F (22.2°C) to a moderately hot 79.7°F (26.5°C). Weather in June »
Weather in July
July, like June, in Arrowsmith, Illinois, is another warm summer month, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 80.8°F (27.1°C). Arrowsmith's July weather, marked by an average high temperature of 80.8°F (27.1°C) and an average low temperature of 64.9°F (18.3°C), is the warmest in the year. July's heat index is estimated at a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Arrowsmith, is another warm month, with an average temperature fluctuating between 79.9°F (26.6°C) and 63.1°F (17.3°C). Arrowsmith experiences an average high-temperature of a still warm 79.9°F (26.6°C) in August, marking an insignificant shift from 80.8°F (27.1°C) in July. Weather in August »
Weather in September
September, the first month of the autumn in Arrowsmith, is still a warm month, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 57.9°F (14.4°C). Arrowsmith's average high-temperature in September is a still moderately hot 75.9°F (24.4°C), marking an insignificant difference from the 79.9°F (26.6°C) of August. Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Arrowsmith, Illinois, with an average temperature ranging between min 46.8°F (8.2°C) and max 62.2°F (16.8°C). Onset of October comes with a temperature decline, the average high falling from a moderately hot 75.9°F (24.4°C) in September to an enjoyable 62.2°F (16.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Arrowsmith, Illinois, with an average temperature fluctuating between 48°F (8.9°C) and 34.9°F (1.6°C). Arrowsmith's November weather features a mild decline in high-temperatures, reducing from a refreshing 62.2°F (16.8°C) in October to a chilly 48°F (8.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Arrowsmith, Illinois, with temperature in the range of an average low of 26.6°F (-3°C) and an average high of 36.9°F (2.7°C). The transition into December involves a decrease in the average high-temperature, falling from a chilly 48°F (8.9°C) in November to an icy 36.9°F (2.7°C). Weather in December »
Updated: Aug 26, 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 are the coldest months in Arrowsmith?
Arrowsmith records the coldest temperatures in January, averaging a high of 31.3°F (-0.4°C) and a low of 19.6°F (-6.9°C).
How much does it rain?
Throughout the year, in Arrowsmith, there are 139 rainfall days, and 20.83" (529mm) of precipitation is accumulated.
When does it snow in Arrowsmith?
January through April, November and December are months with snowfall in Arrowsmith.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 9.8 days and accumulates 2.8" (71mm) of snow.
How many days does it snow in Arrowsmith?
Throughout the year, there are 28.1 snowfall days, and 9.17" (233mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 3.9h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
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 is the rainiest month?
The month with the most rainfall is May, when the rain falls for 17.5 days and typically aggregates up to 2.87" (73mm) of precipitation.
When it does not snow?
May through October are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 10.1h of sunshine.
What is the month with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What time of the year is the hottest?
The month of July sees the average highest temperatures, reaching 80.8°F (27.1°C) at the peak and 64.9°F (18.3°C) at the low.
What is the most humid month?
July is the most humid month, with an average relative humidity of 85%.
What is the least humid month?
The least humid month is October, with an average relative humidity of 71%.
What is the driest month?
The month with the least rainfall is December, when the rain falls for 7.5 days and typically collects 1.1" (28mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days in Arrowsmith is December, with an average of 9h and 18min of daylight.
Average temperature
Arrowsmith, IL
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°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 (19.6°F).
Average pressure
Arrowsmith, 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:
30.11"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
Arrowsmith, IL
- Average wind speed in January:
11mph - Average wind speed in February:
10.9mph - Average wind speed in March:
10.5mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.1mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.4mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Arrowsmith, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Arrowsmith, IL
- Average rainfall in January:
1.18" - Average rainfall in February:
1.14" - Average rainfall in March:
1.57" - Average rainfall in April:
2.32" - Average rainfall in May:
2.87" - Average rainfall in June:
2.4"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days
Arrowsmith, IL
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (5.8 days).
Average snowfall
Arrowsmith, IL
The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Arrowsmith, IL
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
6.7 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.6 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:
0.1 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Arrowsmith, 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 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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 18min).
- 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 5min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Arrowsmith, IL
- Average sunshine days in January:
16.6 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Arrowsmith, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Arrowsmith, IL
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility
Arrowsmith, 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).
Arrowsmith, Illinois, USA
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