May weather forecastSumer, Bulgaria
May
Weather in May
The last month of the spring, May, is a pleasant month in Sumer, Bulgaria, with an average temperature varying between 9.7°C (49.5°F) and 20.8°C (69.4°F).Temperature
In May, the average high-temperature marginally rises from an enjoyable 16.4°C (61.5°F) in April to a pleasant 20.8°C (69.4°F). Throughout May, Sumer experiences a low-temperature average of 9.7°C (49.5°F).Humidity
The average relative humidity in May is 72%.Rainfall
In Sumer, in May, it is raining for 18.5 days, with typically 58mm (2.28") of accumulated precipitation. Throughout the year, in Sumer, there are 146 rainfall days, and 492mm (19.37") of precipitation is accumulated.Snowfall
In Sumer, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 42min.On the first day of the month, sunrise is at 06:18 and sunset at 20:28. On the last day of May, sunrise is at 05:49 and sunset at 20:59 EEST.
Sunshine
In Sumer, the average sunshine in May is 10.3h.UV index
The average daily maximum UV index in May in Sumer is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 5 during May leads to these instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. 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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sumer, Bulgaria
- Average high temperature in May: 20.8°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in May: 9.7°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (-3.4°C).
Average pressure in May
Sumer, Bulgaria
- Average pressure in May: 1013.9mbar
The month with the highest atmospheric pressure is December (1021mbar).
The months with the lowest atmospheric pressure are May, June and July (1013.9mbar).
Average wind speed in May
Sumer, Bulgaria
- Average wind speed in May: 8.6km/h
The windiest month (with the highest average wind speed) is March (10km/h).
The calmest month (with the lowest average wind speed) is November (7.4km/h).
Average humidity in May
Sumer, Bulgaria
- Average humidity in May: 72%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (54%).
Average rainfall in May
Sumer, Bulgaria
- Average rainfall in May: 58mm
The wettest month (with the highest rainfall) is June (64mm).
The driest months (with the least rainfall) are August and September (27mm).
Average rainfall days in May
Sumer, Bulgaria
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is September (8.8 days).
Average snowfall in May
Sumer, Bulgaria
- Average snowfall in May: 0mm
The month with the highest snowfall is January (141mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in May
Sumer, Bulgaria
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sumer, Bulgaria
- Average daylight in May: 14h and 42min
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 0min).
- Average sunshine in May: 10h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The months with the least sunshine are January and February (Average sunshine: 5h and 30min).
Average sunshine days in May
Sumer, Bulgaria
- Average sunshine days in May: 9.7 days
The months with the most sunshine days are August and September (19.4 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in May
Sumer, Bulgaria
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Sumer, Bulgaria
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in May
Sumer, Bulgaria
- Average visibility in May: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).
