May weather forecast
Cluj-Napoca, Romania

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Weather in May

In May, the weather in Cluj-Napoca transitions from spring towards the early stages of summer. High temperatures rise above 20°C (68°F), suggesting a shift to warmer days. This month records a significant increase in rainfall with 69mm (2.72") received over 11 days, making it one of the most humid months of the year. A dramatic rise in the UV index points to stronger sunshine and a necessity for sun protection during outdoor activities. This month is characterized by a blend of warmth and moisture, providing lush green landscapes in Romania.

Temperature

The beginning of May in Cluj-Napoca, Romania, marks a shift in the average high-temperature, moving from April's mild 15°C (59°F) to a pleasant 20.3°C (68.5°F). An average low-temperature of 8.6°C (47.5°F) is anticipated throughout the nights during May.

Rainfall

In Cluj-Napoca, in May, it is raining for 11 days, with typically 69mm (2.72") of accumulated precipitation. Throughout the year, there are 91 rainfall days, and 548mm (21.57") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Cluj-Napoca, the average length of the day in May is 15h and 3min.
On the first day of the month, sunrise is at 06:09 and sunset at 20:35. On the last day of May, in Cluj-Napoca, sunrise is at 05:35 and sunset at 21:11 EEST.

Sunshine

The average sunshine in May is 7.4h.

UV index

The average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 7 in May, converts into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

What is the average May temperature in Cluj-Napoca?

In May, in Cluj-Napoca, the average high-temperature is 20.3°C (68.5°F), and the average low-temperature is 8.6°C (47.5°F).

How many days does it rain in May in Cluj-Napoca?

In Cluj-Napoca, Romania, during May, the rain falls for 11 days and regularly aggregates up to 69mm (2.72") of precipitation.

When it does not snow in Cluj-Napoca?

May through September are months without snowfall in Cluj-Napoca, Romania.

Does it snow in Cluj-Napoca in May?

In May, in Cluj-Napoca, Romania, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Cluj-Napoca have in May?

The average day length in May in Cluj-Napoca is 15h and 3min.

When is the sunrise / sunset in May in Cluj-Napoca?

In May, on the first day of the month, sunrise is at 06:09 and sunset at 20:35. On the last day of the month, in Cluj-Napoca, sunrise is at 05:35 and sunset at 21:11 EEST.

How many hours of sunshine does Cluj-Napoca have in May?

In May, the average sunshine duration in Cluj-Napoca, Romania, is 7.4h.

What is the UV index intensity in May in Cluj-Napoca?

In May, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average rainfall days
Average snowfall
Average daylight
Average sunshine
Average UV index

Average temperature in May
Cluj-Napoca, Romania

Average temperature in May - Cluj-Napoca, Romania
  • Average high temperature in May: 20.3°C

The warmest month (with the highest average high temperature) is July (24.5°C).
The month with the lowest average high temperature is January (0.3°C).

  • Average low temperature in May: 8.6°C

The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).

Average rainfall in May
Cluj-Napoca, Romania

Average rainfall in May - Cluj-Napoca, Romania
  • Average rainfall in May: 69mm

The wettest month (with the highest rainfall) is June (95mm).
The driest month (with the least rainfall) is February (20mm).

Average rainfall days in May
Cluj-Napoca, Romania

Average rainfall days in May - Cluj-Napoca, Romania
  • Average rainfall days in May: 11 days

The months with the highest number of rainy days are May and June (11 days).
The months with the least rainy days are February and March (5 days).

Average snowfall in May
Cluj-Napoca, Romania

Average snowfall in May - Cluj-Napoca, Romania
  • Average snowfall in May: 0mm

The month with the highest snowfall is February (115mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average daylight in May /
Average sunshine in May
Cluj-Napoca, Romania

Average daylight in May / Average sunshine in May - Cluj-Napoca, Romania
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in May: 7h and 2min

The month with the most sunshine is July (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).

Average UV index in May
Cluj-Napoca, Romania

Average UV index in May - Cluj-Napoca, Romania
  • Average UV index in May: 7

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).

Cluj-Napoca, Romania

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