April weather forecastKalofer, Bulgaria

April

Weather in April

April in Kalofer, Bulgaria, is a moderate spring month, with temperature in the range of an average low of 4.9°C (40.8°F) and an average high of 15.9°C (60.6°F).

Temperature

April shows a rise in the average high-temperature, moving from March's fresh 10.3°C (50.5°F) to a moderate 15.9°C (60.6°F). Throughout April, Kalofer registers a consistent average low-temperature of 4.9°C (40.8°F).

Humidity

The average relative humidity in April is 71%.

Rainfall

In April, in Kalofer, the rain falls for 13.1 days. Throughout April, 38mm (1.5") of precipitation is accumulated. Throughout the year, there are 117 rainfall days, and 480mm (18.9") of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Kalofer, Bulgaria. In Kalofer, in April, during 2 snowfall days, 62mm (2.44") of snow is typically accumulated. In Kalofer, during the entire year, snow falls for 34.2 days and aggregates up to 876mm (34.49") of snow.

Daylight

In Kalofer, Bulgaria, the average length of the day in April is 13h and 24min.
On the first day of the month, sunrise is at 07:01 and sunset at 19:46. On the last day of April, sunrise is at 06:15 and sunset at 20:19 EEST.

Sunshine

In April, the average sunshine in Kalofer is 9.8h.

UV index

In April, the average daily maximum UV index in Kalofer is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In April, an average UV index of 4 transforms into the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. It's recommended to limit sun exposure when its radiation is at its peak during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

The high-temperature during April is 15.9°C (60.6°F) and the low-temperature is 4.9°C (40.8°F).

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

In Kalofer, in April, during 13.1 rainfall days, 38mm (1.5") of precipitation is typically accumulated.

In Kalofer, in April, snow falls for 2 days, with typically accumulated 62mm (2.44") of snow.

The average day length in April in Kalofer, Bulgaria, is 13h and 24min.

In April, on the first day of the month, sunrise is at 07:01 and sunset at 19:46. On the last day of the month, in Kalofer, Bulgaria, sunrise is at 06:15 and sunset at 20:19 EEST.

In Kalofer, Bulgaria, the average sunshine duration in April is 9.8h.

The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Kalofer, Bulgaria

  • Average high temperature in April: 15.9°C

The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (3.3°C).

  • Average low temperature in April: 4.9°C

The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (-4°C).

Average pressure in April
Kalofer, Bulgaria

  • Average pressure in April: 1015mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).

Average wind speed in April
Kalofer, Bulgaria

  • Average wind speed in April: 7km/h

The windiest month (with the highest average wind speed) is March (7.6km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).

Average humidity in April
Kalofer, 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 (57%).

Average rainfall in April
Kalofer, Bulgaria

  • Average rainfall in April: 38mm

The wettest month (with the highest rainfall) is June (91mm).
The driest month (with the least rainfall) is September (24mm).

Average rainfall days in April
Kalofer, Bulgaria

  • Average rainfall days in April: 13.1 days

The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is February (3.7 days).

Average snowfall in April
Kalofer, Bulgaria

  • Average snowfall in April: 62mm

The month with the highest snowfall is February (185mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in April
Kalofer, Bulgaria

  • Average snowfall days in April: 2 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in April /
Average sunshine in April
Kalofer, 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 48min

The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days in April
Kalofer, Bulgaria

  • Average sunshine days in April: 15.8 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in April
Kalofer, Bulgaria

  • Average UV index in April: 4

The months with the highest UV index are 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
Kalofer, Bulgaria

  • Average cloud cover in April: 35

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in April
Kalofer, 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).