April weather forecast
Galesburg, IL

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Weather in April

April in Galesburg, Illinois, is a mild spring month, with temperature in the range of an average low of 43.2°F (6.2°C) and an average high of 59.9°F (15.5°C).

Temperature

Galesburg's weather in April shows a rise in the average high-temperature, moving up from March's frosty 48°F (8.9°C) to a moderate 59.9°F (15.5°C). During April, Galesburg experiences a consistent low-temperature average of 43.2°F (6.2°C).

Humidity

In Galesburg, the average relative humidity in April is 75%.

Rainfall

In Galesburg, Illinois, in April, it is raining for 11.8 days, with typically 1.3" (33mm) of accumulated precipitation. In Galesburg, during the entire year, the rain falls for 109.9 days and collects up to 11.14" (283mm) of precipitation.

Snowfall

Months with snowfall in Galesburg are January through April, October through December. April is the last month it regularly snows. During 0.9 snowfall days, in April, Galesburg aggregates 0.75" (19mm) of snow. Throughout the year, there are 28 snowfall days, and 4.53" (115mm) of snow is accumulated.

Daylight

In April, the average length of the day in Galesburg is 13h and 20min.
On the first day of April, sunrise is at 6:43 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:57 pm CDT.

Sunshine

The average sunshine in April in Galesburg is 7.9h.

UV index

The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 4 during April morphs into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Galesburg in April?

The average high-temperature, in April, in Galesburg, is 59.9°F (15.5°C), while the average low-temperature is 43.2°F (6.2°C).

What is the average humidity in April in Galesburg?

The average relative humidity in April is 75%.

How much does it rain in Galesburg in April?

In April, in Galesburg, Illinois, the rain falls for 11.8 days. Throughout April, 1.3" (33mm) of precipitation is accumulated.

What is the last month it snows in Galesburg?

April is the last month it regularly snows. During 0.9 snowfall days, in April, Galesburg aggregates 0.75" (19mm) of snow.

What is the average length of the day in April in Galesburg?

The average day length in April is 13h and 20min.

What time are sunrise and sunset in April in Galesburg?

On the first day of April in Galesburg, Illinois, sunrise is at 6:43 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:57 pm CDT.

How many hours of sunshine does Galesburg have in April?

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

What is the UV index reading in April in Galesburg?

The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Galesburg, IL

Average temperature in April - Galesburg, IL
  • Average high temperature in April: 59.9°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in April: 43.2°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 (17.4°F).

Average pressure in April
Galesburg, IL

Average pressure in April - Galesburg, IL
  • Average pressure in April: 29.93"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in April
Galesburg, IL

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

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in April
Galesburg, IL

Average humidity in April - Galesburg, IL
  • Average humidity in April: 75%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in April
Galesburg, IL

Average rainfall in April - Galesburg, IL
  • Average rainfall in April: 1.3"

The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are January and December (0.47").

Average rainfall days in April
Galesburg, IL

Average rainfall days in April - Galesburg, IL
  • Average rainfall days in April: 11.8 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is February (3.9 days).

Average snowfall in April
Galesburg, IL

Average snowfall in April - Galesburg, IL
  • Average snowfall in April: 0.75"

The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Galesburg, IL

Average snowfall days in April - Galesburg, IL
  • Average snowfall days in April: 0.9 days

The month with the highest number of snowfall days is January (8.8 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
Galesburg, IL

Average daylight in April / Average sunshine in April - Galesburg, IL
  • Average daylight in April: 13h and 2min

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 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: 4h and 0min).

Average sunshine days in April
Galesburg, IL

Average sunshine days in April - Galesburg, IL
  • Average sunshine days in April: 16.3 days

The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (12.4 days).

Average UV index in April
Galesburg, IL

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in April
Galesburg, IL

Average cloud cover in April - Galesburg, IL
  • Average cloud cover in April: 47

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in April
Galesburg, IL

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

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

Galesburg, Illinois, USA

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