Climate - Bacau (Romania)

Bacau: Temperatures - Precipitation - Sunshine hours - Best time - Weather by month


The climate of Bacau is continental, with cold winters and warm summers.
The city is located in the eastern part of Romania, in the historical region of Moldavia.
Winter is cold and gray, with snowfalls and frosts. Sometimes fog can form.
During cold spells, which occur every year, the temperature drops to -17/-18 °C (0/1 °F) or below. The coldest record is -31 °C (-24 °F), recorded in January 1963. From 2001 to 2020, the extreme minimum was -26 °C (-15 °F), recorded in January 2010.
Summer is warm and sunny, though thunderstorms can break out in the afternoon. Nights are usually cool.
While it is generally not too hot, there can be very hot periods, in which the temperature reach or exceed 35 °C (95 °F). The record heat is 42.5 °C (108.5 °F), recorded in August 2012.

Best Time

To visit Bacau, you can choose the months of May and September. In summer, sometimes the heat is bearable, while at other times, especially in July and August, it can be intense.
However, it is better to bring a sweatshirt for the evening even in midsummer.

Bacau - Climate data

In Bacau, the average temperature of the coldest month (January) is of -1.9 °C (28.6 °F), that of the warmest month (July) is of 22.0 °C (71.5 °F). Here are the average temperatures.
In Bacau, precipitation amounts to 620 millimeters (24.4 inches) per year: so, it is at an intermediate level. It ranges from 25 mm (1 in) in the driest months (January, February) to 100 mm (3.9 in) in the wettest ones (June, July) Here is the average precipitation.
In Bacau, there are on average around 1985 sunshine hours per year. Here are the average hours of sunshine per day.

Bacau - Weather by month

Based on the period 1991-2020

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In January, the coldest month of the year, the weather in Bacau is usually very cold. The average temperature is of -1.9 °C (29 °F), with a minimum of -5.6 °C (21.9 °F) and a maximum of 1.8 °C (35.2 °F).
On the coldest nights of the month, the temperature usually drops to around -17 °C (1.5 °F). However, it dropped to -25.9 °C (-14.6 °F) in January 2010.
On the warmest days of the month, the temperature usually reaches around 11.5 °C (52.5 °F). However, it reached 17 °C (62.6 °F) in January 2007.
Precipitation amounts to 25 mm (1 in), distributed over 6 days.
The day lasts on average 9 hours and 5 minutes.
There are on average 2 hours of sunshine per day. So, the sun shines 22% of the time.
The average humidity is 86%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).

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In February, the weather in Bacau is usually cold. The average temperature is of 0.1 °C (32 °F), with a minimum of -4.1 °C (24.6 °F) and a maximum of 4.3 °C (39.7 °F).
On the coldest nights of the month, the temperature usually drops to around -15 °C (5 °F). However, it dropped to -25.5 °C (-13.9 °F) in February 2012.
On the warmest days of the month, the temperature usually reaches around 15 °C (58.5 °F). However, it reached 22 °C (71.6 °F) in February 2016.
Precipitation amounts to 25 mm (1 in), distributed over 6 days.
The day lasts on average 10 hours and 25 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 27% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).

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In March, the weather in Bacau is usually quite cold. The average temperature is of 4.9 °C (41 °F), with a minimum of -0.3 °C (31.5 °F) and a maximum of 10.1 °C (50.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -8 °C (17.5 °F). However, it dropped to -18 °C (-0.4 °F) in March 1993.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 20.5 °C (69.5 °F). However, it reached 26 °C (78.8 °F) in March 1994.
Precipitation amounts to 35 mm (1.4 in), distributed over 7 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).

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In April, the weather in Bacau is usually mild. The average temperature is of 11.0 °C (52 °F), with a minimum of 4.8 °C (40.6 °F) and a maximum of 17.1 °C (62.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -2 °C (28.5 °F). However, it dropped to -7.1 °C (19.2 °F) in April 2020.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 25.5 °C (77.5 °F). However, it reached 32.2 °C (90 °F) in April 2012.
Precipitation amounts to 50 mm (2 in), distributed over 8 days.
The day lasts on average 13 hours and 35 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 68%.
The average wind speed is 12 kph (7 mph).

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In May, the weather in Bacau is usually very mild. However, there are remarkable differences between night and day. The average temperature is of 16.4 °C (61 °F), with a minimum of 9.8 °C (49.6 °F) and a maximum of 22.9 °C (73.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 3 °C (38 °F). However, it dropped to -1.2 °C (29.8 °F) in May 1999.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 30 °C (86 °F). However, it reached 34.1 °C (93.4 °F) in May 1996.
Precipitation amounts to 70 mm (2.8 in), distributed over 9 days.
The day lasts on average 15 hours and 5 minutes. So the days are long.
There are on average 7.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 68%.
The average wind speed is 10 kph (6 mph).

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In June, the weather in Bacau is usually warm. The average temperature is of 20.2 °C (68 °F), with a minimum of 13.8 °C (56.8 °F) and a maximum of 26.6 °C (79.9 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 8 °C (47 °F). However, it dropped to 5.5 °C (41.9 °F) in June 2020.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 33 °C (91.5 °F). However, it reached 38.4 °C (101.1 °F) in June 2007.
Precipitation amounts to 100 mm (3.9 in), distributed over 10 days.
The day lasts on average 15 hours and 50 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 8.5 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 70%.
The average wind speed is 9 kph (6 mph).

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In July, the warmest month of the year, the weather in Bacau is usually warm. However, there are remarkable differences between night and day. The average temperature is of 22.0 °C (72 °F), with a minimum of 15.2 °C (59.4 °F) and a maximum of 28.7 °C (83.7 °F).
On the coldest nights of the month, the temperature usually drops to around 10.5 °C (50.5 °F). However, it dropped to 7.5 °C (45.5 °F) in July 1992.
On the warmest days of the month, the temperature usually reaches around 35 °C (95 °F). However, it reached 40.3 °C (104.5 °F) in July 2007.
Precipitation amounts to 100 mm (3.9 in), distributed over 9 days.
The day lasts on average 15 hours and 25 minutes. So the days are long.
There are on average 9.5 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 70%.
The average wind speed is 8 kph (5 mph).

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In August, the weather in Bacau is usually warm. However, there are remarkable differences between night and day. The average temperature is of 21.6 °C (71 °F), with a minimum of 14.6 °C (58.3 °F) and a maximum of 28.5 °C (83.3 °F).
On the coldest nights of the month, the temperature usually drops to around 9 °C (48 °F). However, it dropped to 5.4 °C (41.7 °F) in August 1993.
On the warmest days of the month, the temperature usually reaches around 35 °C (94.5 °F). However, it reached 42.5 °C (108.5 °F) in August 2012.
Precipitation amounts to 50 mm (2 in), distributed over 7 days.
The day lasts on average 14 hours and 5 minutes. So the days are long.
There are on average 8.5 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 69%.
The average wind speed is 8 kph (5 mph).

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In September, the weather in Bacau is usually very mild. The average temperature is of 16.6 °C (62 °F), with a minimum of 10.2 °C (50.4 °F) and a maximum of 22.9 °C (73.2 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 3 °C (37.5 °F). However, it dropped to -1.7 °C (28.9 °F) in September 2018.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 30 °C (86 °F). However, it reached 37.2 °C (99 °F) in September 2015.
Precipitation amounts to 50 mm (2 in), distributed over 6 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 9 kph (5 mph).

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In October, the weather in Bacau is usually mild. The average temperature is of 10.7 °C (51 °F), with a minimum of 5.3 °C (41.5 °F) and a maximum of 16.1 °C (61 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -3 °C (27 °F). However, it dropped to -8.7 °C (16.3 °F) in October 1997.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 26 °C (78.5 °F). However, it reached 31.4 °C (88.5 °F) in October 2006.
Precipitation amounts to 50 mm (2 in), distributed over 6 days.
The day lasts on average 10 hours and 50 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 9 kph (5 mph).

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In November, the weather in Bacau is usually quite cold. The average temperature is of 4.9 °C (41 °F), with a minimum of 1.1 °C (34 °F) and a maximum of 8.7 °C (47.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -7 °C (19.5 °F). However, it dropped to -21.2 °C (-6.2 °F) in November 1993.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 19.5 °C (66.5 °F). However, it reached 26 °C (78.8 °F) in November 2019.
Precipitation amounts to 35 mm (1.4 in), distributed over 6 days.
The day lasts on average 9 hours and 25 minutes.
There are on average 2.5 hours of sunshine per day. So, the sun shines 29% of the time.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).

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In December, the weather in Bacau is usually very cold. The average temperature is of -0.6 °C (31 °F), with a minimum of -4 °C (24.8 °F) and a maximum of 2.8 °C (37 °F).
On the coldest nights of the month, the temperature usually drops to around -14 °C (7 °F). However, it dropped to -23.4 °C (-10.1 °F) in December 2002.
On the warmest days of the month, the temperature usually reaches around 13 °C (55.5 °F). However, it reached 19 °C (66.2 °F) in December 2015.
Precipitation amounts to 30 mm (1.2 in), distributed over 7 days.
The day lasts on average 8 hours and 35 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 1.5 hours of sunshine per day. So, the sun shines 17% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).