April weather forecast
Arrowsmith, IL

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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).

Temperature

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). During April, the temperature is averaged to a low of 44.8°F (7.1°C) at night.

Humidity

In April, the average relative humidity is 74%.

Rainfall

In Arrowsmith, during April, the rain falls for 13.9 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Arrowsmith, during the entire year, the rain falls for 139 days and collects up to 20.83" (529mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.6 snowfall days, in April, Arrowsmith aggregates 0.12" (3mm) of snow. Throughout the year, there are 28.1 snowfall days, and 9.17" (233mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 19min.
On the first day of April, sunrise is at 6:36 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:49 pm CDT.

Sunshine

In April, the average sunshine is 7.9h.

UV index

In Arrowsmith, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 4 during April, leads to the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. It's recommended to limit sun exposure when its radiation is at its peak during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

What is the average April temperature?

The average high-temperature and low-temperature during April are 61.2°F (16.2°C) and 44.8°F (7.1°C) respectively.

What is the average humidity in April?

In Arrowsmith, the average relative humidity in April is 74%.

How much does it rain in April?

In Arrowsmith, in April, during 13.9 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

What is the last month it snows?

April is the last month it regularly snows. During 0.6 snowfall days, in April, Arrowsmith aggregates 0.12" (3mm) of snow.

How many hours of daylight does Arrowsmith have in April?

In April, the average day length in Arrowsmith is 13h and 19min.

When is the sunrise / sunset in April?

On the first day of April, sunrise is at 6:36 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:49 pm CDT.

How many hours of sunshine does Arrowsmith have in April?

In Arrowsmith, the average sunshine duration in April is 7.9h.

How high is the UV index in April?

In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Arrowsmith, IL

Average temperature in April - Arrowsmith, IL
  • Average high temperature in April: 61.2°F

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).

  • Average low temperature in April: 44.8°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 in April
Arrowsmith, IL

Average pressure in April - Arrowsmith, IL
  • Average pressure in April: 29.94"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 in April
Arrowsmith, IL

Average wind speed in April - Arrowsmith, IL
  • Average wind speed in April: 10.8mph

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 in April
Arrowsmith, IL

Average humidity in April - Arrowsmith, IL
  • Average humidity in April: 74%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

Average rainfall in April
Arrowsmith, IL

Average rainfall in April - Arrowsmith, IL
  • Average rainfall in April: 2.32"

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 in April
Arrowsmith, IL

Average rainfall days in April - Arrowsmith, IL
  • Average rainfall days in April: 13.9 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in April
Arrowsmith, IL

Average snowfall in April - Arrowsmith, IL
  • Average snowfall in April: 0.12"

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 in April
Arrowsmith, IL

Average snowfall days in April - Arrowsmith, IL
  • Average snowfall days in April: 0.6 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 in April /
Average sunshine in April
Arrowsmith, IL

Average daylight in April / Average sunshine in April - Arrowsmith, IL
  • Average daylight in April: 13h 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 April: 7h and 5min

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 in April
Arrowsmith, IL

Average sunshine days in April - Arrowsmith, IL
  • Average sunshine days in April: 13.8 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 in April
Arrowsmith, IL

Average UV index in April - Arrowsmith, IL
  • Average UV index in April: 4

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 in April
Arrowsmith, IL

Average cloud cover in April - Arrowsmith, IL
  • Average cloud cover in April: 46

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 in April
Arrowsmith, IL

Average visibility in April - Arrowsmith, IL
  • Average visibility in April: 6mi

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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