Zagreb
Croatia
Long-term weather forecast
Long-term weather forecast

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 begins the tourist season in Zagreb as the warmth of the temperate sun with an 8-hour daily duty drives any remaining cold away. The average temperatures are in the majestic 10°C (50°F) to 21.7°C (71.1°F) range, the sunshine is brilliant, and the conditions are pleasant.
The freshness in the air with the help of the lowest humidity of the year at 68% ushers visitors to the historical city in the wake of pristine weather conditions. The abundant water, green parks and hills, bright skies, and panoramic scenery make Zagreb a must-visit during May.

What is the temperature in May in Zagreb?

In Zagreb, Croatia, in May, 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?

The average relative humidity in May in Zagreb is 68.3%.

How much does it rain in Zagreb in May?

In May, in Zagreb, Croatia, the rain falls for 13.5 days. Throughout May, 72.6mm (2.9") 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.

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

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

How many hours of sunshine does Zagreb have in May?

The average sunshine in May in Zagreb is 7.4h.

What is the UV index intensity in May in Zagreb?

In May, the average daily maximum UV index in Zagreb is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to the Sun's UV rays.
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 lowest 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 lowest number of 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 lowest number of 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 shortest days is December (Average daylight: 8.7h).

  • Average sunshine in May: 7.4h

The month with most sunshine is July (Average sunshine: 8.9h).
The month with 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).