May weather forecast and climate
Zagreb, Croatia

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
May, the last month of the spring, in Zagreb, is an agreeable month, with average temperature varying between 21.5°C (70.7°F) and 9.8°C (49.6°F).

Temperature

In May, the average high-temperature increases, from a comfortable 16.3°C (61.3°F) in April, to a pleasant 21.5°C (70.7°F). The average low-temperature, in May, is 9.8°C (49.6°F).

Humidity

In Zagreb, the average relative humidity is 68.3%.

Rainfall

In Zagreb, during May, the rain falls for 13.5 days and regularly aggregates up to 72.6mm (2.86") of precipitation. In Zagreb, during the entire year, the rain falls for 135.6 days and collects up to 840mm (33.07") of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Zagreb, the average length of the day is 15h.

Sunshine

In May, the average sunshine is 7.4h.

UV index

In Zagreb, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in May in Zagreb?

In May, in Zagreb, the average high-temperature is 21.5°C (70.7°F), and the average low-temperature is 9.8°C (49.6°F).

What is the average humidity in May in Zagreb?

In Zagreb, the average relative humidity in May is 68.3%.

How many days does it rain in May in Zagreb?

In May, in Zagreb, Croatia, the rain falls for 13.5 days. Throughout May, 72.6mm (2.86") of precipitation is accumulated.

Does it snow in Zagreb in May?

In May, it doesn't snow. April is the latest month when it typically snows.

When it does not snow in Zagreb?

May through October are months without snowfall in Zagreb, Croatia.

What is the average length of the day in May in Zagreb?

The average length of the day in May in Zagreb is 15h.

How many hours of sunshine does Zagreb have in May?

In May, the average sunshine in Zagreb is 7.4h.

How high is the UV index in May in Zagreb?

The average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.
Average temperature in May - Zagreb, Croatia
  • Average high temperature in May: 21.5°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 May: 9.8°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 May - Zagreb, Croatia
  • Average humidity in May: 68.3%

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 May - Zagreb, Croatia
  • Average rainfall in May: 72.6mm

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 May - Zagreb, Croatia
  • Average rainfall days in May: 13.5 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 May - Zagreb, Croatia
  • Average snowfall days in May: 0 days

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

Average daylight in May / Average sunshine in May - Zagreb, Croatia
  • Average daylight in May: 15h

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in May: 7.4h

The month with the most sunshine is July (Average sunshine: 8.9h).
The month with the least sunshine is December (Average sunshine: 1.6h).

Average UV index in May - Zagreb, Croatia
  • Average UV index in May: 7

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