Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
Temperature
April's arrival brings a temperature shift, moving from a cool 11.7°C (53.1°F) in March to an enjoyable 16.8°C (62.2°F). The average low-temperature, in April, is a wintry 5.5°C (41.9°F).Humidity
In Ustren, the average relative humidity in April is 71%.Rainfall
In April, the rain falls for 14.4 days. Throughout April, 44mm (1.73") of precipitation is accumulated. Throughout the year, there are 133.4 rainfall days, and 458mm (18.03") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Ustren aggregates 15mm (0.59") of snow. In Ustren, during the entire year, snow falls for 15.5 days and aggregates up to 335mm (13.19") of snow.Daylight
In Ustren, the average length of the day in April is 13h and 21min.On the first day of the month, sunrise is at 07:01 and sunset at 19:44. On the last day of April, in Ustren, sunrise is at 06:16 and sunset at 20:15 EEST.
Sunshine
In April, the average sunshine is 9.7h.UV index
In Ustren, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during April translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
When is the sunrise / sunset in April in Ustren?
How many hours of sunshine does Ustren have in April?
How high is the UV index in April?
Average temperature in April
Ustren, Bulgaria
- Average high temperature in April: 16.8°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 April: 5.5°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 April
Ustren, Bulgaria
- Average pressure in April: 1014.9mbar
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 April
Ustren, Bulgaria
- Average wind speed in April: 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 April
Ustren, Bulgaria
- Average humidity in April: 71%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (52%).
Average rainfall in April
Ustren, Bulgaria
- Average rainfall in April: 44mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is August (18mm).
Average rainfall days in April
Ustren, Bulgaria
- Average rainfall days in April: 14.4 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 April
Ustren, Bulgaria
- Average snowfall in April: 15mm
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 April
Ustren, Bulgaria
- Average snowfall days in April: 0.2 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 April /
Average sunshine in April
Ustren, Bulgaria
- Average daylight in April: 13h and 2min
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 April: 9h 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 April
Ustren, Bulgaria
- Average sunshine days in April: 13.6 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 April
Ustren, Bulgaria
- Average UV index in April: 4
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 April
Ustren, Bulgaria
- Average cloud cover in April: 36
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 April
Ustren, Bulgaria
- Average visibility in April: 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).
