April weather forecast
Swan, IN

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Weather in April

April in Swan, Indiana, is a moderate spring month, with an average temperature varying between 57.7°F (14.3°C) and 40.6°F (4.8°C).

Temperature

As April begins, there is an increase in the average high-temperature, moving from a frosty 45.7°F (7.6°C) in March to a refreshing 57.7°F (14.3°C). April's nights observe an average temperature of 40.6°F (4.8°C).

Humidity

The average relative humidity in April is 77%.

Rainfall

In Swan, Indiana, in April, it is raining for 13.2 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 125.3 rainfall days, and 13.11" (333mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.2 snowfall days, in April, Swan aggregates 0.51" (13mm) of snow. Throughout the year, there are 32.5 snowfall days, and 5.75" (146mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 21min.
On the first day of April, sunrise is at 7:22 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 8:37 pm EDT.

Sunshine

In Swan, the average sunshine in April is 6.9h.

UV index

In Swan, Indiana, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 4 during April leads to these instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in April?

The average high-temperature and low-temperature during April are 57.7°F (14.3°C) and 40.6°F (4.8°C) respectively.

What is the average humidity in April?

The average relative humidity in April is 77%.

How many days does it rain in April?

In Swan, during April, the rain falls for 13.2 days and regularly aggregates up to 1.65" (42mm) of precipitation.

What is the last month it snows?

April is the last month it regularly snows. During 1.2 snowfall days, in April, Swan aggregates 0.51" (13mm) of snow.

How many hours of daylight does Swan have in April?

In Swan, Indiana, the average day length in April is 13h and 21min.

What time are sunrise and sunset in April?

On the first day of April, sunrise is at 7:22 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 8:37 pm EDT.

How long on average sun shines in April?

In April, the average sunshine duration is 6.9h.

How high is the UV index in April?

In Swan, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
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
Swan, IN

Average temperature in April - Swan, IN
  • Average high temperature in April: 57.7°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in April: 40.6°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in April
Swan, IN

Average pressure in April - Swan, IN
  • Average pressure in April: 29.96"Hg

The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in April
Swan, IN

Average wind speed in April - Swan, IN
  • Average wind speed in April: 10.1mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in April
Swan, IN

Average humidity in April - Swan, IN
  • Average humidity in April: 77%

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).

Average rainfall in April
Swan, IN

Average rainfall in April - Swan, IN
  • Average rainfall in April: 1.65"

The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in April
Swan, IN

Average rainfall days in April - Swan, IN
  • Average rainfall days in April: 13.2 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in April
Swan, IN

Average snowfall in April - Swan, IN
  • Average snowfall in April: 0.51"

The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Swan, IN

Average snowfall days in April - Swan, IN
  • Average snowfall days in April: 1.2 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Swan, IN

Average daylight in April / Average sunshine in April - Swan, IN
  • 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: 6h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in April
Swan, IN

Average sunshine days in April - Swan, IN
  • Average sunshine days in April: 14.2 days

The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is July (12 days).

Average UV index in April
Swan, IN

Average UV index in April - Swan, IN
  • Average UV index in April: 4

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

Average cloud cover in April
Swan, IN

Average cloud cover in April - Swan, IN
  • Average cloud cover in April: 49

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in April
Swan, IN

Average visibility in April - Swan, IN
  • Average visibility in April: 6mi

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

Swan, Indiana, USA

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