Chesterton
Indiana, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Chesterton, IN

April in Chesterton, Indiana, is a mild spring month, with average temperature ranging between max 60.1°F (15.6°C) and min 38.5°F (3.6°C).

Temperature

In Chesterton, the average high-temperature in April rises, from a frosty 46.9°F (8.3°C) in March, to a moderate 60.1°F (15.6°C). The average low-temperature, in Chesterton, is 38.5°F (3.6°C).

Rainfall

In Chesterton, Indiana, during April, the rain falls for 13 days and regularly aggregates up to 3.9" (100mm) of precipitation. Throughout the year, there are 130 rainfall days, and 39.4" (999.8mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Chesterton are January through April, October through December.

Ocean temperature

February through April, with an average ocean temperature of 37.4°F (3°C), are months with the coldest seawater in Chesterton. For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

Daylight

In Chesterton, the average length of the day is 13.4h.

Sunshine

In Chesterton, the average sunshine is 7h.

UV index

In April, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation for the average person.
In April, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in April in Chesterton?

In Chesterton, in April, the average high-temperature is 60.1°F (15.6°C), and the average low-temperature is 38.5°F (3.6°C).

How many days does it rain in April in Chesterton?

In Chesterton, in April, during 13 rainfall days, 3.9" (100mm) of precipitation is typically accumulated.

What is the last month it snows in Chesterton?

April is the last month it regularly snows in Chesterton. Throughout April, Chesterton aggregates 1.5" (38mm) of snow.

What months are the ocean coldest in Chesterton?

February through April, with an average ocean temperature of 37.4°F (3°C), are months with the coldest seawater. For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

How cold is the water in April in Chesterton?

In April, the average ocean temperature in Chesterton, Indiana, is 37.4°F (3°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

How many hours of daylight does Chesterton have in April?

In April, the average length of the day is 13.4h.

How many hours of sunshine does Chesterton have in April?

In April, the average sunshine in Chesterton, Indiana, is 7h.

What is the UV index intensity in April in Chesterton?

In Chesterton, Indiana, the average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV rays.
Average temperature in April - Chesterton, IN
  • Average high temperature in April: 60.1°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in April: 38.5°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

Average rainfall in April - Chesterton, IN
  • Average rainfall in April: 3.9"

The wettest month (with the highest rainfall) is June (4.2").
The driest month (with the lowest rainfall) is February (1.7").

Average rainfall days in April - Chesterton, IN
  • Average rainfall days in April: 13 days

Months with the highest number of rainy days are March, April and December (13 days).
Months with the lowest number of rainy days are August, September and October (9 days).

Average snowfall in April - Chesterton, IN
  • Average snowfall in April: 1.5"

The month with the highest snowfall is January (11.8").
Months with the lowest snowfall are May, June, July, August and September (0").

Average sea temperature in April - Chesterton, IN
  • Average sea temperature in April: 37°F

The best month for swimming (with the highest average sea temperature) is August (70°F).
Coldest months (with the lowest average sea temperature) are February, March and April (37°F).

Average daylight in April / Average sunshine in April - Chesterton, IN
  • Average daylight in April: 13.4h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in April: 7h

Months with most sunshine are June and July (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 3h).

Average UV index in April - Chesterton, IN
  • Average UV index in April: 6

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).