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.

Frequently asked questions

April temperatures in Kosten vary between a high-temperature of 15.8°C (60.4°F) and a low-temperature of 5°C (41°F).

The average relative humidity in April is 72%.

In April, in Kosten, the rain falls for 13 days. Throughout April, 27mm (1.06") of precipitation is accumulated.

April is the last month it regularly snows in Kosten. During 0.2 snowfall days, in April, Kosten aggregates 2mm (0.08") of snow.

In Kosten, the average day length in April is 13h and 25min.

In April, on the first day of the month, sunrise is at 06:53 and sunset at 19:38. On the last day of the month, in Kosten, sunrise is at 06:07 and sunset at 20:11 EEST.

In Kosten, Bulgaria, the average sunshine duration in April is 9.2h.

The average daily maximum UV index in April in Kosten, Bulgaria, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).