April weather forecast
Zagreb, Croatia

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The iconic buildings of the cathedral in Zagreb, Croatia in an early autumn morning
The iconic buildings of the cathedral in Zagreb, Croatia in an early autumn morning

Weather in April

April in Zagreb is marked by a transition from spring chill to the warmth of impending summer months. The daylight stretches to 13.6 hours, allowing more daytime exploration of the city. The progression from cold to warm season is accompanied by an uptick in rainfall. Come May, the temperature will climb even higher and the city will witness more rainfall. April, filled with blossoming landscapes and increasingly comfortable weather, offers an appealing climate for sightseeing in Zagreb.

Temperature

April marks a minor ascent in the average high-temperature, adjusting from March's cool 11.9°C (53.4°F) to a refreshing 16.3°C (61.3°F). Throughout the month of April, Zagreb reports a steady low-temperature average of 5.2°C (41.4°F).

Humidity

With an average relative humidity of 67.5%, April is the least humid month.

Rainfall

In Zagreb, in April, it is raining for 13 days, with typically 59mm (2.32") of accumulated precipitation. Throughout the year, in Zagreb, there are 135.6 rainfall days, and 840mm (33.07") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Zagreb. April is the last month it regularly snows. Throughout April, there are 0.2 snowfall days. Throughout the year, in Zagreb, Croatia, there are 29 snowfall days.

Daylight

In April, the average length of the day in Zagreb is 13h and 34min.
On the first day of the month, sunrise is at 06:34 and sunset at 19:24. On the last day of April, in Zagreb, sunrise is at 05:43 and sunset at 20:02 CEST.

Sunshine

The average sunshine in April is 5.6h.

UV index

In April, the average daily maximum UV index in Zagreb is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 5 during April translates into the following directions:
Take necessary precautions - Defending against sun damage is advocated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

What are the temperatures in Zagreb in April?

In Zagreb, 16.3°C (61.3°F) is the average high-temperature and 5.2°C (41.4°F) is the average low-temperature during April.

What is the least humid month in Zagreb?

The least humid month in Zagreb, Croatia, is April, with an average relative humidity of 67.5%.

What is the average humidity in April in Zagreb?

The average relative humidity in April in Zagreb, Croatia, is 67.5%.

How many days does it rain in April in Zagreb?

In Zagreb, Croatia, during April, the rain falls for 13 days and regularly aggregates up to 59mm (2.32") of precipitation.

What is the last month it snows in Zagreb?

April is the last month it regularly snows. Throughout April, there are 0.2 snowfall days.

How many hours of daylight does Zagreb have in April?

In April, the average day length in Zagreb, Croatia, is 13h and 34min.

When is the sunrise / sunset in April in Zagreb?

On the first day of April in Zagreb, sunrise is at 06:34 and sunset at 19:24. On the last day of the month, sunrise is at 05:43 and sunset at 20:02 CEST.

How many hours of sunshine does Zagreb have in April?

In April, the average sunshine duration in Zagreb, Croatia, is 5.6h.

What is the UV index reading in April in Zagreb?

In April, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in April
Zagreb, Croatia

Average temperature in April - Zagreb, Croatia
  • Average high temperature in April: 16.3°C

The warmest month (with the highest average high temperature) is July (26.7°C).
The month with the lowest average high temperature is January (3.7°C).

  • Average low temperature in April: 5.2°C

The month with the highest average low temperature is July (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

Average humidity in April
Zagreb, Croatia

Average humidity in April - Zagreb, Croatia
  • Average humidity in April: 67.5%

The month with the highest relative humidity is December (84.8%).
The month with the lowest relative humidity is April (67.5%).

Average rainfall in April
Zagreb, Croatia

Average rainfall in April - Zagreb, Croatia
  • Average rainfall in April: 59.3mm

The wettest month (with the highest rainfall) is June (95.3mm).
The driest month (with the least rainfall) is February (38.9mm).

Average rainfall days in April
Zagreb, Croatia

Average rainfall days in April - Zagreb, Croatia
  • Average rainfall days in April: 13 days

The month with the highest number of rainy days is June (13.7 days).
The month with the least rainy days is February (9.4 days).

Average snowfall days in April
Zagreb, Croatia

Average snowfall days in April - Zagreb, Croatia
  • Average snowfall days in April: 0.2 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in April /
Average sunshine in April
Zagreb, Croatia

Average daylight in April / Average sunshine in April - Zagreb, Croatia
  • Average daylight in April: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in April: 5h and 4min

The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).

Average UV index in April
Zagreb, Croatia

Average UV index in April - Zagreb, Croatia
  • Average UV index in April: 5

The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).

Zagreb, Croatia

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