May weather forecast
Sofia, Bulgaria

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The full panorama of Sofia City, Bulgaria with the Alexander Nevsky Cathedral centrally placed
The full panorama of Sofia City, Bulgaria with the Alexander Nevsky Cathedral centrally placed

Weather in May

May brings a further surge of warmth that sweeps Sofia. It's a time when the city fully shakes off the winter chill and welcomes in the heat of summer. This month is known for its frequent showers, with rainfall peaking to the highest volume of 67mm (2.64") for the year. The luxurious day length is complemented by an increase in sunshine time. The UV index also peaks, indicating a need for adequate sun protection.

Temperature

Sofia's transition into May is marked by a minor temperature shift, moving from a refreshing 16.2°C (61.2°F) in April to an agreeable 21.1°C (70°F). During May nights, Sofia records an average temperature of 9.8°C (49.6°F).

Rainfall

In Sofia, Bulgaria, during May, the rain falls for 13 days and regularly aggregates up to 67mm (2.64") of precipitation. In Sofia, Bulgaria, during the entire year, the rain falls for 125 days and collects up to 582mm (22.91") of precipitation.

Snowfall

In Sofia, snow does not fall in May through September.

Daylight

The average length of the day in May is 14h and 38min.
On the first day of the month, sunrise is at 06:20 and sunset at 20:27. On the last day of May, sunrise is at 05:51 and sunset at 20:57 EEST.

Sunshine

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

UV index

In Sofia, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 7 in May translates into these instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What is the average May temperature in Sofia?

The high-temperature, in May, in Sofia, records 21.1°C (70°F), while the low-temperature is 9.8°C (49.6°F).

How many days does it rain in May in Sofia?

In Sofia, in May, it is raining for 13 days, with typically 67mm (2.64") of accumulated precipitation.

When it does not snow in Sofia?

May through September are months without snowfall in Sofia.

Does it snow in Sofia in May?

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

How many hours of daylight does Sofia have in May?

In Sofia, Bulgaria, the average day length in May is 14h and 38min.

What time are sunrise and sunset in May in Sofia?

In May, on the first day of the month, sunrise is at 06:20 and sunset at 20:27. On the last day of the month, in Sofia, sunrise is at 05:51 and sunset at 20:57 EEST.

How long on average sun shines in May in Sofia?

In May, the average sunshine duration in Sofia, Bulgaria, is 7.4h.

How high is the UV index in May in Sofia?

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

Average temperature in May
Sofia, Bulgaria

Average temperature in May - Sofia, Bulgaria
  • Average high temperature in May: 21.1°C

The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in May: 9.8°C

The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).

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Average rainfall in May
Sofia, Bulgaria

Average rainfall in May - Sofia, Bulgaria
  • Average rainfall in May: 67mm

The wettest month (with the highest rainfall) is June (75.4mm).
The driest month (with the least rainfall) is February (31.5mm).

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Average rainfall days in May
Sofia, Bulgaria

Average rainfall days in May - Sofia, Bulgaria
  • Average rainfall days in May: 13 days

The month with the highest number of rainy days is May (13 days).
The month with the least rainy days is September (7 days).

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Average snowfall in May
Sofia, Bulgaria

Average snowfall in May - Sofia, Bulgaria
  • Average snowfall in May: 0mm

The month with the highest snowfall is December (248mm).
The months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in May
Sofia, Bulgaria

Average snowfall days in May - Sofia, Bulgaria
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and December (7.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Sofia, Bulgaria

Average daylight in May / Average sunshine in May - Sofia, Bulgaria
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 7h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).

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Average UV index in May
Sofia, Bulgaria

Average UV index in May - Sofia, Bulgaria
  • Average UV index in May: 7

The months with the highest UV index are June and July (UV index 9).
The months with the lowest UV index are January and December (UV index 1).

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Sofia, Bulgaria

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