Climate - Varna (Bulgaria)

The climate of Varna is slightly continental, with cold winters and hot summers.
The city is located in north-eastern Bulgaria, on the Black Sea coast.
Sometimes, when different air masses collide, a strong wind can blow.
In winter, there are some mild periods, with highs of 15 °C (59 °F) and more. However, there can also be cold spells, with snowfalls too, during which the temperature can drop as low as -10/-12 °C (10/14 °F). The coldest record is -19 °C (-2 °F), recorded in January 2010.
Summer is hot and sunny, with rare rains.
While it is generally not too hot, there can be very hot periods, with highs of 35 °C (95 °F) or more. The record is 41 °C (106 °F), recorded in July 2000.

Best Time

The best times to visit Varna are spring and autumn, namely from mid-May to mid-June, a period when some afternoon thunderstorms must be put into account, and from mid-September to mid-October, a period a bit cooler but also drier. In summer, the heat is sometimes bearable, while at other times, especially in July and August, it can be intense.
The best months for a beach holiday are July and August. In June, the sea is still a little cool.

Varna - Climate data

In Varna, the average temperature of the coldest month (January) is of 2.1 °C (35.7 °F), that of the warmest month (August) is of 23.6 °C (74.6 °F). Here are the average temperatures.
In Varna, precipitation amounts to 560 millimeters (22 inches) per year: so, it is at an intermediate level. It ranges from 30 mm (1.2 in) in the driest month (August) to 60 mm (2.4 in) in the wettest one (October). Here is the average precipitation.
At Varna, the sea temperature ranges from 7 °C (45 °F) in February to 25 °C (77 °F) in August. Here are the average sea temperatures.
In Varna, there are on average around 2300 sunshine hours per year. Here are the average hours of sunshine per day.

Varna - Weather by month

Based on the period 1991-2020

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In January, the coldest month of the year, the weather in Varna is usually cold. The average temperature is of 2.1 °C (36 °F), with a minimum of -2.6 °C (27.4 °F) and a maximum of 6.7 °C (44.1 °F).
On the coldest nights of the month, the temperature usually drops to around -11 °C (12 °F). However, it dropped to -19 °C (-2.2 °F) in January 2010.
On the warmest days of the month, the temperature usually reaches around 16.5 °C (62 °F). However, it reached 21.2 °C (70.2 °F) in January 2001.
Precipitation amounts to 50 mm (2 in), distributed over 6 days.
The day lasts on average 9 hours and 25 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 33% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 8 °C (46 °F). Therefore, the sea is very cold for swimming.

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In February, the weather in Varna is usually cold. The average temperature is of 2.7 °C (37 °F), with a minimum of -2.1 °C (28.2 °F) and a maximum of 7.5 °C (45.4 °F).
On the coldest nights of the month, the temperature usually drops to around -9 °C (15.5 °F). However, it dropped to -16.4 °C (2.5 °F) in February 1991.
On the warmest days of the month, the temperature usually reaches around 18.5 °C (65.5 °F). However, it reached 24 °C (75.2 °F) in February 2016.
Precipitation amounts to 35 mm (1.4 in), distributed over 5 days.
The day lasts on average 10 hours and 35 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 14 kph (8 mph).
The average sea temperature is of 7 °C (44.5 °F). Therefore, the sea is very cold for swimming.

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In March, the weather in Varna is usually quite mild. The average temperature is of 6.7 °C (44 °F), with a minimum of 1.3 °C (34.4 °F) and a maximum of 12.1 °C (53.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -5 °C (23 °F). However, it dropped to -13 °C (8.6 °F) in March 2018.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 22.5 °C (73 °F). However, it reached 29.5 °C (85.1 °F) in March 2001.
Precipitation amounts to 50 mm (2 in), distributed over 7 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 7.5 °C (45.5 °F). Therefore, the sea is very cold for swimming.

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In April, the weather in Varna is usually mild. The average temperature is of 11.0 °C (52 °F), with a minimum of 5.2 °C (41.4 °F) and a maximum of 16.8 °C (62.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -0.5 °C (31.5 °F). However, it dropped to -5 °C (23 °F) in April 2005.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 25 °C (77 °F). However, it reached 30.7 °C (87.3 °F) in April 2013.
Precipitation amounts to 40 mm (1.6 in), distributed over 6 days.
The day lasts on average 13 hours and 30 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 10 °C (50 °F). Therefore, the sea is very cold for swimming.

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In May, the weather in Varna is usually very mild. The average temperature is of 16.3 °C (61 °F), with a minimum of 10.2 °C (50.4 °F) and a maximum of 22.5 °C (72.4 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 4.5 °C (40 °F). However, it dropped to 1 °C (33.8 °F) in May 1999.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 29 °C (84.5 °F). However, it reached 34 °C (93.2 °F) in May 1993.
Precipitation amounts to 40 mm (1.6 in), distributed over 7 days.
The day lasts on average 14 hours and 40 minutes. So the days are long.
There are on average 8 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 15.5 °C (59.5 °F). Therefore, the sea is cold for swimming.

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In June, the weather in Varna is usually warm. The average temperature is of 20.9 °C (70 °F), with a minimum of 14.6 °C (58.3 °F) and a maximum of 27.2 °C (81.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 9.5 °C (49 °F). However, it dropped to 7 °C (44.6 °F) in June 2007.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 32.5 °C (90.5 °F). However, it reached 38 °C (100.4 °F) in June 2007.
Precipitation amounts to 50 mm (2 in), distributed over 6 days.
The day lasts on average 15 hours and 20 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 9 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 20.5 °C (69.5 °F). Therefore, the sea is cool for swimming.

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In July, the weather in Varna is usually warm to hot. The average temperature is of 23.3 °C (74 °F), with a minimum of 16.9 °C (62.4 °F) and a maximum of 29.7 °C (85.5 °F).
On the coldest nights of the month, the temperature usually drops to around 12.5 °C (54.5 °F). However, it dropped to 10 °C (50 °F) in July 1992.
On the warmest days of the month, the temperature usually reaches around 34 °C (93.5 °F). However, it reached 41 °C (105.8 °F) in July 2000.
Precipitation amounts to 50 mm (2 in), distributed over 5 days.
The day lasts on average 15 hours and 0 minutes. So the days are long.
There are on average 10 hours of sunshine per day. So, the sun shines 67% of the time.
The average humidity is 68%.
The average wind speed is 12 kph (8 mph).
The average sea temperature is of 24 °C (75 °F). Therefore, the sea is warm enough for swimming.

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In August, the warmest month of the year, the weather in Varna is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 23.6 °C (75 °F), with a minimum of 17.1 °C (62.7 °F) and a maximum of 30.2 °C (86.4 °F).
On the coldest nights of the month, the temperature usually drops to around 11.5 °C (53 °F). However, it dropped to 9 °C (48.2 °F) in August 1995.
On the warmest days of the month, the temperature usually reaches around 35 °C (95 °F). However, it reached 40.5 °C (104.9 °F) in August 1994.
Precipitation amounts to 30 mm (1.2 in), distributed over 3 days.
The day lasts on average 13 hours and 55 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 73% of the time.
The average humidity is 67%.
The average wind speed is 12 kph (8 mph).
The average sea temperature is of 25 °C (76.5 °F). Therefore, the sea is warm enough for swimming.

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In September, the weather in Varna is usually warm. The average temperature is of 18.8 °C (66 °F), with a minimum of 12.7 °C (54.9 °F) and a maximum of 24.8 °C (76.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 7 °C (45 °F). However, it dropped to 3 °C (37.4 °F) in September 1997.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 31 °C (88 °F). However, it reached 34.3 °C (93.7 °F) in September 2015.
Precipitation amounts to 55 mm (2.2 in), distributed over 6 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 63% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 22 °C (72 °F). Therefore, the sea is cool for swimming.

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In October, the weather in Varna is usually mild. The average temperature is of 13.7 °C (57 °F), with a minimum of 8.2 °C (46.8 °F) and a maximum of 19.1 °C (66.5 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 0.5 °C (33 °F). However, it dropped to -5 °C (23 °F) in October 1991.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 27.5 °C (81.5 °F). However, it reached 33 °C (91.4 °F) in October 1993.
Precipitation amounts to 60 mm (2.4 in), distributed over 6 days.
The day lasts on average 11 hours and 0 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 12 kph (8 mph).
The average sea temperature is of 18 °C (64.5 °F). Therefore, the sea is cold for swimming.

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In November, the weather in Varna is usually mild. The average temperature is of 9.3 °C (49 °F), with a minimum of 4.5 °C (40.2 °F) and a maximum of 14.1 °C (57.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -3 °C (26.5 °F). However, it dropped to -9 °C (15.8 °F) in November 1993.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 22.5 °C (73 °F). However, it reached 27 °C (80.6 °F) in November 2000.
Precipitation amounts to 55 mm (2.2 in), distributed over 6 days.
The day lasts on average 9 hours and 40 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 36% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 13.5 °C (56.5 °F). Therefore, the sea is very cold for swimming.

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In December, the weather in Varna is usually quite cold. The average temperature is of 4.3 °C (40 °F), with a minimum of -0.3 °C (31.4 °F) and a maximum of 9 °C (48.1 °F).
On the coldest nights of the month, the temperature usually drops to around -8.5 °C (16.5 °F). However, it dropped to -17 °C (1.4 °F) in December 1997.
On the warmest days of the month, the temperature usually reaches around 17 °C (62.5 °F). However, it reached 20.6 °C (69.1 °F) in December 2019.
Precipitation amounts to 50 mm (2 in), distributed over 7 days.
The day lasts on average 9 hours and 0 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 3 hours of sunshine per day. So, the sun shines 33% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 10 °C (50 °F). Therefore, the sea is very cold for swimming.