April weather forecastKosten, Bulgaria
April weather for Kosten, Bulgaria: April in Kosten, Bulgaria, is a mild spring month, with an average temperature fluctuating between 15.8°C (60.4°F) and 5°C (41°F). During 0.2 snowfall days, in April, Kosten aggregates 2mm (0.08") of snow.
April
Weather in April
April in Kosten, Bulgaria, is a mild spring month, with an average temperature fluctuating between 15.8°C (60.4°F) and 5°C (41°F).Temperature
The shift from March to April sees an increase in the average high-temperature, transitioning from a cool 10.6°C (51.1°F) to a mild 15.8°C (60.4°F). Kosten experiences an average low-temperature of 5°C (41°F) in month of April.Humidity
The average relative humidity in April in Kosten is 72%.Rainfall
In April, the rain falls for 13 days. Throughout April, 27mm (1.06") of precipitation is accumulated. Throughout the year, there are 137.2 rainfall days, and 394mm (15.51") of precipitation is accumulated.Snowfall
Months with snowfall in Kosten are January through April, October through December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Kosten aggregates 2mm (0.08") of snow. In Kosten, during the entire year, snow falls for 22.2 days and aggregates up to 206mm (8.11") of snow.Daylight
The average length of the day in April is 13h and 25min.On the first day of the month, sunrise is at 06:53 and sunset at 19:38. On the last day of April, sunrise is at 06:07 and sunset at 20:11 EEST.
Sunshine
In Kosten, the average sunshine in April is 9.2h.UV index
The average daily maximum UV index in April in Kosten is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during April leads to these instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Kosten, Bulgaria
- Average high temperature in April: 15.8°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 (3.3°C).
- Average low temperature in April: 5°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in April
Kosten, Bulgaria
- Average pressure in April: 1015.2mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is July (1012.7mbar).
Average wind speed in April
Kosten, Bulgaria
- Average wind speed in April: 10.9km/h
The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is July (9.3km/h).
Average humidity in April
Kosten, Bulgaria
- Average humidity in April: 72%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (58%).
Average rainfall in April
Kosten, Bulgaria
- Average rainfall in April: 27mm
The wettest month (with the highest rainfall) is June (61mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in April
Kosten, Bulgaria
- Average rainfall days in April: 13 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is August (8.3 days).
Average snowfall in April
Kosten, Bulgaria
- Average snowfall in April: 2mm
The month with the highest snowfall is January (61mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in April
Kosten, Bulgaria
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (7.2 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
Kosten, Bulgaria
- Average daylight in April: 13h and 24min
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 April: 9h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in April
Kosten, Bulgaria
- Average sunshine days in April: 15.2 days
The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is May (11 days).
Average UV index in April
Kosten, 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
Kosten, Bulgaria
- Average cloud cover in April: 38
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in April
Kosten, Bulgaria
- Average visibility in April: 9km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).





