April weather forecastKostur, Bulgaria

April

Weather in April

April in Kostur, Bulgaria, is a comfortable spring month, with an average temperature ranging between min 6.3°C (43.3°F) and max 17.8°C (64°F).

Temperature

The onset of April marks a slight increase in the average high-temperature, moving from a mild 13°C (55.4°F) in March to a comfortable 17.8°C (64°F). During April, Kostur records a consistent average nighttime temperature of 6.3°C (43.3°F).

Humidity

In Kostur, Bulgaria, the average relative humidity in April is 71%.

Rainfall

In Kostur, in April, during 11.6 rainfall days, 32mm (1.26") of precipitation is typically accumulated. Throughout the year, in Kostur, there are 111.8 rainfall days, and 370mm (14.57") of precipitation is accumulated.

Snowfall

In Kostur, snow does not fall in April through October.

Daylight

In Kostur, the average length of the day in April is 13h and 22min.
On the first day of April in Kostur, sunrise is at 06:56 and sunset at 19:40. On the last day of the month, sunrise is at 06:11 and sunset at 20:12 EEST.

Sunshine

In April, the average sunshine in Kostur is 9.6h.

UV index

In April, the average daily maximum UV index in Kostur is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum UV index of 4 in April translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Kostur in April has an average high-temperature of 17.8°C (64°F) and an average low-temperature of 6.3°C (43.3°F).

In Kostur, the average relative humidity in April is 71%.

In Kostur, Bulgaria, during April, the rain falls for 11.6 days and regularly aggregates up to 32mm (1.26") of precipitation.

April through October are months without snowfall in Kostur, Bulgaria.

In April, in Kostur, Bulgaria, it doesn't snow. March is the latest month when it typically snows.

The average day length in April in Kostur is 13h and 22min.

On the first day of April in Kostur, sunrise is at 06:56 and sunset at 19:40. On the last day of the month, sunrise is at 06:11 and sunset at 20:12 EEST.

The average sunshine duration in April is 9.6h.

In Kostur, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M April M J J A S O N D

Mar

April

May

Average high temperature

13°C

17.8°C

23.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.8km/h

11.4km/h

11.1km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

17.7

16.7

16.3

Average UV index

Average cloud cover

Average visibility

Average temperature in April
Kostur, Bulgaria

Average high temperature in April: 17.8°C

The warmest month (with the highest average high temperature) is August (31.8°C).
The month with the lowest average high temperature is January (6.1°C).

Average low temperature in April: 6.3°C

The month with the highest average low temperature is August (18°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).

Average pressure in April
Kostur, Bulgaria

Average pressure in April: 1015mbar

The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is July (1012.3mbar).

Average wind speed in April
Kostur, Bulgaria

Average wind speed in April: 10.3km/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 June (9.4km/h).

Average humidity in April
Kostur, 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 (51%).

Average rainfall in April
Kostur, Bulgaria

Average rainfall in April: 32mm

The wettest month (with the highest rainfall) is June (47mm).
The driest month (with the least rainfall) is August (17mm).

Average rainfall days in April
Kostur, Bulgaria

Average rainfall days in April: 11.6 days

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is August (5.8 days).

Average snowfall in April
Kostur, Bulgaria

Average snowfall in April: 0mm

The month with the highest snowfall is January (55mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in April
Kostur, Bulgaria

Average snowfall days in April: 0 days

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in April /
Average sunshine in April
Kostur, Bulgaria

Average daylight in April: 13h and 24min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

Average sunshine in April: 9h and 36min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).