May weather forecastRuen, Bulgaria

May

Weather in May

The last month of the spring, May, is a refreshing month in Ruen, Bulgaria, with an average temperature fluctuating between 19.5°C (67.1°F) and 12.6°C (54.7°F).

Temperature

An increase in the average high-temperature marks May, moving from April's refreshing 14.4°C (57.9°F) to an enjoyable 19.5°C (67.1°F). Throughout May, the nighttime temperature averages to a fresh 12.6°C (54.7°F).

Humidity

In May, the average relative humidity in Ruen, Bulgaria, is 76%.

Rainfall

In Ruen, Bulgaria, in May, it is raining for 15.3 days, with typically 39mm (1.54") of accumulated precipitation. Throughout the year, there are 130.9 rainfall days, and 355mm (13.98") of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Ruen.

Daylight

The average length of the day in May in Ruen is 14h and 39min.
On the first day of May, sunrise is at 06:04 and sunset at 20:11. On the last day of the month, sunrise is at 05:35 and sunset at 20:41 EEST.

Sunshine

The average sunshine in May in Ruen is 10.8h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

The average high-temperature, in May, in Ruen, is 19.5°C (67.1°F), while the average low-temperature is 12.6°C (54.7°F).

In Ruen, Bulgaria, the average relative humidity in May is 76%.

In May, in Ruen, Bulgaria, the rain falls for 15.3 days. Throughout May, 39mm (1.54") of precipitation is accumulated.

In Ruen, snow does not fall in April through November.

In May, the average day length is 14h and 39min.

On the first day of May, sunrise is at 06:04 and sunset at 20:11. On the last day of the month, sunrise is at 05:35 and sunset at 20:41 EEST.

The average sunshine duration in May is 10.8h.

The average daily maximum UV index in May in Ruen, Bulgaria, is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Ruen, Bulgaria

  • Average high temperature in May: 19.5°C

The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in May: 12.6°C

The month with the highest average low temperature is August (20°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).

Average pressure in May
Ruen, Bulgaria

  • Average pressure in May: 1013.6mbar

The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1012.4mbar).

Average wind speed in May
Ruen, Bulgaria

  • Average wind speed in May: 11.7km/h

The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest months (with the lowest average wind speed) are June and July (11.6km/h).

Average humidity in May
Ruen, Bulgaria

  • Average humidity in May: 76%

The months with the highest relative humidity are January and February (80%).
The month with the lowest relative humidity is August (66%).

Average rainfall in May
Ruen, Bulgaria

  • Average rainfall in May: 39mm

The wettest month (with the highest rainfall) is June (43mm).
The driest month (with the least rainfall) is August (15mm).

Average rainfall days in May
Ruen, Bulgaria

  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is August (5.9 days).

Average snowfall in May
Ruen, Bulgaria

  • Average snowfall in May: 0mm

The month with the highest snowfall is January (20mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in May
Ruen, Bulgaria

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

  • Average daylight in May: 14h and 36min

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: 10h and 48min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in May
Ruen, Bulgaria

  • Average sunshine days in May: 13 days

The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is June (12.4 days).

Average UV index in May
Ruen, Bulgaria

  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in May
Ruen, Bulgaria

  • Average cloud cover in May: 27

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in May
Ruen, Bulgaria

  • Average visibility in May: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).