April weather forecast
Heidelberg, MN

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Weather in April

April is a cool spring month in Heidelberg, Minnesota, with an average temperature fluctuating between 53.2°F (11.8°C) and 37.8°F (3.2°C).

Temperature

The arrival of April brings a change in Heidelberg's weather, with average high-temperatures moving from March's icy 39.4°F (4.1°C) to a fresh 53.2°F (11.8°C). Throughout April, the nighttime temperature averages to a wintry 37.8°F (3.2°C).

Humidity

The months with the lowest humidity are April and October, with an average relative humidity of 72%.

Rainfall

In Heidelberg, in April, during 13.9 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Heidelberg, during the entire year, the rain falls for 126.1 days and collects up to 25.55" (649mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Heidelberg, in April, during 4.3 snowfall days, 3.11" (79mm) of snow is typically accumulated. In Heidelberg, during the entire year, snow falls for 63.7 days and aggregates up to 27.48" (698mm) of snow.

Daylight

In April, the average length of the day is 13h and 30min.
On the first day of the month, sunrise is at 6:53 am and sunset at 7:42 pm. On the last day of April, sunrise is at 6:05 am and sunset at 8:18 pm CDT.

Sunshine

In Heidelberg, the average sunshine in April is 7.3h.

UV index

In Heidelberg, Minnesota, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 4 in April translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Boost your sun resistance with garments that are densely woven yet spacious. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

In April, in Heidelberg, the average high-temperature is 53.2°F (11.8°C), and the average low-temperature is 37.8°F (3.2°C).

What are the least humid months?

The months with the lowest humidity are April and October, with an average relative humidity of 72%.

What is the average humidity in April?

In Heidelberg, the average relative humidity in April is 72%.

How many days does it rain in April?

In April, the rain falls for 13.9 days. Throughout April, 2.52" (64mm) of precipitation is accumulated.

How many days does it snow in April?

In Heidelberg, during April, snow falls for 4.3 days and regularly aggregates up to 3.11" (79mm) of snow.

What is the average length of the day in April?

In Heidelberg, the average day length in April is 13h and 30min.

What time are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:53 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:18 pm CDT.

How long on average sun shines in April?

The average sunshine duration in April is 7.3h.

What is the UV index intensity in April?

In Heidelberg, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Heidelberg, MN

Average temperature in April - Heidelberg, MN
  • Average high temperature in April: 53.2°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 (20.7°F).

  • Average low temperature in April: 37.8°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 (7.5°F).

Average pressure in April
Heidelberg, MN

Average pressure in April - Heidelberg, MN
  • Average pressure in April: 29.95"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in April
Heidelberg, MN

Average wind speed in April - Heidelberg, MN
  • Average wind speed in April: 9.4mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in April
Heidelberg, MN

Average humidity in April - Heidelberg, MN
  • Average humidity in April: 72%

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (72%).

Average rainfall in April
Heidelberg, MN

Average rainfall in April - Heidelberg, MN
  • Average rainfall in April: 2.52"

The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.83").

Average rainfall days in April
Heidelberg, MN

Average rainfall days in April - Heidelberg, MN
  • Average rainfall days in April: 13.9 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (2.4 days).

Average snowfall in April
Heidelberg, MN

Average snowfall in April - Heidelberg, MN
  • Average snowfall in April: 3.11"

The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Heidelberg, MN

Average snowfall days in April - Heidelberg, MN
  • Average snowfall days in April: 4.3 days

The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Heidelberg, MN

Average daylight in April / Average sunshine in April - Heidelberg, MN
  • Average daylight in April: 13h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in April: 7h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in April
Heidelberg, MN

Average sunshine days in April - Heidelberg, MN
  • Average sunshine days in April: 12.6 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (10.1 days).

Average UV index in April
Heidelberg, MN

Average UV index in April - Heidelberg, MN
  • 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 and November (UV index 1).

Average cloud cover in April
Heidelberg, MN

Average cloud cover in April - Heidelberg, MN
  • Average cloud cover in April: 50

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in April
Heidelberg, MN

Average visibility in April - Heidelberg, MN
  • Average visibility in April: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).

Heidelberg, Minnesota, USA

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