Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
With the transition into May, Ustren experiences an increase in average high-temperatures, moving up from a refreshing 16.8°C (62.2°F) in April to a pleasant 22.1°C (71.8°F). During May, Ustren's temperature records a considerable difference from its daily highs to an average low of 9.8°C (49.6°F).Humidity
The average relative humidity in May is 70%.Rainfall
In May, the rain falls for 17.7 days. Throughout May, 49mm (1.93") of precipitation is accumulated. In Ustren, during the entire year, the rain falls for 133.4 days and collects up to 458mm (18.03") of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Ustren, the average length of the day in May is 14h and 32min.On the first day of the month, sunrise is at 06:15 and sunset at 20:16. On the last day of May, sunrise is at 05:47 and sunset at 20:45 EEST.
Sunshine
The average sunshine in May is 10.7h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 5 in May transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May in Ustren?
Average temperature in May
Ustren, Bulgaria
- Average high temperature in May: 22.1°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in May: 9.8°C
The month with the highest average low temperature is August (16.4°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
Average pressure in May
Ustren, Bulgaria
- Average pressure in May: 1013.4mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1012.5mbar).
Average wind speed in May
Ustren, Bulgaria
- Average wind speed in May: 9km/h
The windiest month (with the highest average wind speed) is August (9.9km/h).
The calmest month (with the lowest average wind speed) is October (7.6km/h).
Average humidity in May
Ustren, Bulgaria
- Average humidity in May: 70%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (52%).
Average rainfall in May
Ustren, Bulgaria
- Average rainfall in May: 49mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is August (18mm).
Average rainfall days in May
Ustren, Bulgaria
- Average rainfall days in May: 17.7 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in May
Ustren, Bulgaria
- Average snowfall in May: 0mm
The month with the highest snowfall is December (81mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in May
Ustren, Bulgaria
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.4 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
Ustren, Bulgaria
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in May
Ustren, Bulgaria
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is August (20.6 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in May
Ustren, 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, November and December (UV index 2).
Average cloud cover in May
Ustren, Bulgaria
- Average cloud cover in May: 31
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in May
Ustren, 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).
