, with cold winters and warm summers.
The city is located in the eastern part of Romania, in the historical region of Moldavia.
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.
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.
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.
. Here are the average temperatures.
January, the coldest month of the year, is generally a very cold month. The average temperature is of
-1.9 °C, with a minimum of
-5.6 °C and a maximum of
1.8 °C.

On the coldest nights of the month, the temperature usually drops to around
-17 °C. However, it dropped to
-25.9 °C in January 2010.

On the warmest days of the month, the temperature usually reaches around
11.5 °C. However, it reached
17 °C in January 2007.

Precipitation amounts to
25 mm, 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 of
11 kph.
February is generally a cold month. The average temperature is of
0.1 °C, with a minimum of
-4.1 °C and a maximum of
4.3 °C.

On the coldest nights of the month, the temperature usually drops to around
-15 °C. However, it dropped to
-25.5 °C in February 2012.

On the warmest days of the month, the temperature usually reaches around
15 °C. However, it reached
22 °C in February 2016.

Precipitation amounts to
25 mm, 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 of
11.6 kph.
March is generally a quite cold month. The average temperature is of
4.9 °C, with a minimum of
-0.3 °C and a maximum of
10.1 °C.

On the coldest nights of the month, the temperature usually drops to around
-8 °C. However, it dropped to
-18 °C in March 1993.

On the warmest days of the month, the temperature usually reaches around
20.5 °C. However, it reached
26 °C in March 1994.

Precipitation amounts to
35 mm, 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 of
12.8 kph.
April is generally a mild month. The average temperature is of
11 °C, with a minimum of
4.8 °C and a maximum of
17.1 °C.

On the coldest nights of the month, the temperature usually drops to around
-2 °C. However, it dropped to
-7.1 °C in April 2020.

On the warmest days of the month, the temperature usually reaches around
25.5 °C. However, it reached
32.2 °C in April 2012.

Precipitation amounts to
50 mm, 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 of
11.8 kph.
May is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of
16.4 °C, with a minimum of
9.8 °C and a maximum of
22.9 °C.

On the coldest nights of the month, the temperature usually drops to around
3 °C. However, it dropped to
-1.2 °C in May 1999.

On the warmest days of the month, the temperature usually reaches around
30 °C. However, it reached
34.1 °C in May 1996.

Precipitation amounts to
70 mm, 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 of
10.4 kph.
June is generally a warm month. The average temperature is of
20.2 °C, with a minimum of
13.8 °C and a maximum of
26.6 °C.

On the coldest nights of the month, the temperature usually drops to around
8 °C. However, it dropped to
5.5 °C in June 2020.

On the warmest days of the month, the temperature usually reaches around
33 °C. However, it reached
38.4 °C in June 2007.

Precipitation amounts to
100 mm, 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 of
9.1 kph.
July, the warmest month of the year, is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
22 °C, with a minimum of
15.2 °C and a maximum of
28.7 °C.

On the coldest nights of the month, the temperature usually drops to around
10.5 °C. However, it dropped to
7.5 °C in July 1992.

On the warmest days of the month, the temperature usually reaches around
35 °C. However, it reached
40.3 °C in July 2007.

Precipitation amounts to
100 mm, 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 of
8.5 kph.
August is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
21.6 °C, with a minimum of
14.6 °C and a maximum of
28.5 °C.

On the coldest nights of the month, the temperature usually drops to around
9 °C. However, it dropped to
5.4 °C in August 1993.

On the warmest days of the month, the temperature usually reaches around
35 °C. However, it reached
42.5 °C in August 2012.

Precipitation amounts to
50 mm, 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 of
8 kph.
September is generally a very mild month. The average temperature is of
16.5 °C, with a minimum of
10.2 °C and a maximum of
22.9 °C.

On the coldest nights of the month, the temperature usually drops to around
3 °C. However, it dropped to
-1.7 °C in September 2018.

On the warmest days of the month, the temperature usually reaches around
30 °C. However, it reached
37.2 °C in September 2015.

Precipitation amounts to
50 mm, 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 of
8.7 kph.
October is generally a mild month. The average temperature is of
10.7 °C, with a minimum of
5.3 °C and a maximum of
16.1 °C.

On the coldest nights of the month, the temperature usually drops to around
-3 °C. However, it dropped to
-8.7 °C in October 1997.

On the warmest days of the month, the temperature usually reaches around
26 °C. However, it reached
31.4 °C in October 2006.

Precipitation amounts to
50 mm, 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 of
8.8 kph.
November is generally a quite cold month. The average temperature is of
4.9 °C, with a minimum of
1.1 °C and a maximum of
8.7 °C.

On the coldest nights of the month, the temperature usually drops to around
-7 °C. However, it dropped to
-21.2 °C in November 1993.

On the warmest days of the month, the temperature usually reaches around
19.5 °C. However, it reached
26 °C in November 2019.

Precipitation amounts to
35 mm, 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 of
10.3 kph.
December is generally a very cold month. The average temperature is of
-0.6 °C, with a minimum of
-4 °C and a maximum of
2.8 °C.

On the coldest nights of the month, the temperature usually drops to around
-14 °C. However, it dropped to
-23.4 °C in December 2002.

On the warmest days of the month, the temperature usually reaches around
13 °C. However, it reached
19 °C in December 2015.

Precipitation amounts to
30 mm, 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 of
10.4 kph.