, hot all year round, with a rainy season from October to May and a relatively dry season from June to September.
The city is the capital of the Indonesian province of Central Java and is located on the north coast of the island, at 7 degrees south latitude. To the south of the city there are volcanoes, the closest of which is the probably extinct Ungaran, 2,050 meters (6,725 feet) high, while further south is the Merbabu, 3,145 meters (10,318 feet) high.
, during which the rains are more frequent and abundant and the sky is more often cloudy.
, which brings dry and relatively cool air. However, a thunderstorm can occasionally break out.
However, during the day it is hot, also because the wind comes down from the mountains that are located south of the city. In mid-August, the heat increases further, and the period with the highest temperatures of the year begins, before the rainy season. In late October 2019, the temperature reached 39 °C (102 °F). On the other hand, occasionally the temperature can drop slightly below 20 °C (68 °F) from June to September.
of day and night is very similar throughout the year. The day lasts 11 hours 43 minutes on June 21, and 12 hours 32 minutes on December 21. The sun reaches the zenith at noon around October 11 and March 2.
Being close to the Equator and on the north side of Java, Semarang is not affected by
. In the warm period of the southern hemisphere (between November and May, but more likely between December and mid-April), tropical cyclones can sometimes form on the Indian Ocean, which pass off the southern coast of Java, in the area of the Cocos Islands and of Christmas Island, and can bring heavy rain on the southern coast of Java.
. Here are the average temperatures.
January is generally a warm to hot, muggy month. The average temperature is of
27.4 °C, with a minimum of
24.1 °C and a maximum of
30.8 °C.
On the coldest nights of the month, the temperature usually drops to around
22 °C.
On the warmest days of the month, the temperature usually reaches around
33 °C.
Precipitation amounts to
430 mm, distributed over 19 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
8.8 kph.
The average sea temperature is of
29 °C. Therefore, the sea is pleasantly warm and allows long swims.
February, the least warm month of the year, is generally a warm to hot, muggy month. The average temperature is of
27.4 °C, with a minimum of
24.1 °C and a maximum of
30.7 °C.
On the coldest nights of the month, the temperature usually drops to around
21.5 °C.
On the warmest days of the month, the temperature usually reaches around
33 °C.
Precipitation amounts to
360 mm, distributed over 17 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
9 kph.
The average sea temperature is of
28.7 °C. Therefore, the sea is pleasantly warm and allows long swims.
March is generally a very hot, muggy month. The average temperature is of
27.8 °C, with a minimum of
24.2 °C and a maximum of
31.3 °C.
On the coldest nights of the month, the temperature usually drops to around
20.5 °C.
On the warmest days of the month, the temperature usually reaches around
34 °C.
Precipitation amounts to
320 mm, distributed over 17 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
7.9 kph.
The average sea temperature is of
29.2 °C. Therefore, the sea is pleasantly warm and allows long swims.
April is generally a very hot, muggy month. The average temperature is of
28.4 °C, with a minimum of
24.7 °C and a maximum of
32.1 °C.
On the coldest nights of the month, the temperature usually drops to around
22.5 °C.
On the warmest days of the month, the temperature usually reaches around
34.5 °C.
Precipitation amounts to
230 mm, distributed over 13 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 67% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is of
8 kph.
The average sea temperature is of
29.6 °C. Therefore, the sea is pleasantly warm and allows long swims.
May is generally a very hot, muggy month. The average temperature is of
28.7 °C, with a minimum of
24.7 °C and a maximum of
32.7 °C.
On the coldest nights of the month, the temperature usually drops to around
22 °C.
On the warmest days of the month, the temperature usually reaches around
34.5 °C.
Precipitation amounts to
160 mm, distributed over 10 days.
The day lasts on average 11 hours and 50 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 68% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
8.6 kph.
The average sea temperature is of
29.6 °C. Therefore, the sea is pleasantly warm and allows long swims.
June is generally a very hot, muggy month. The average temperature is of
28.4 °C, with a minimum of
24 °C and a maximum of
32.7 °C.
On the coldest nights of the month, the temperature usually drops to around
21.5 °C.
On the warmest days of the month, the temperature usually reaches around
34.5 °C.
Precipitation amounts to
80 mm, distributed over 8 days.
The day lasts on average 11 hours and 40 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 69% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is of
9 kph.
The average sea temperature is of
29.2 °C. Therefore, the sea is pleasantly warm and allows long swims.
July is generally a very hot month. The average temperature is of
28 °C, with a minimum of
23.2 °C and a maximum of
32.8 °C.
On the coldest nights of the month, the temperature usually drops to around
20 °C.
On the warmest days of the month, the temperature usually reaches around
34.5 °C.
Precipitation amounts to
80 mm, distributed over 4 days.
The day lasts on average 11 hours and 50 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 85% of the time.
The average humidity is 68%.
The average wind speed is of
9.5 kph.
The average sea temperature is of
28.5 °C. Therefore, the sea is pleasantly warm and allows long swims.
August is generally a very hot month. The average temperature is of
28.2 °C, with a minimum of
23.1 °C and a maximum of
33.4 °C.
On the coldest nights of the month, the temperature usually drops to around
19.5 °C.
On the warmest days of the month, the temperature usually reaches around
35.5 °C.
Precipitation amounts to
60 mm, distributed over 4 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 84% of the time.
The average humidity is 65%.
The average wind speed is of
10 kph.
The average sea temperature is of
28 °C. Therefore, the sea is pleasantly warm and allows long swims.
September is generally a very hot month. The average temperature is of
28.9 °C, with a minimum of
23.7 °C and a maximum of
34 °C.
On the coldest nights of the month, the temperature usually drops to around
21 °C.
On the warmest days of the month, the temperature usually reaches around
36.5 °C.
Precipitation amounts to
100 mm, distributed over 4 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 83% of the time.
The average humidity is 65%.
The average wind speed is of
9.6 kph.
The average sea temperature is of
28.2 °C. Therefore, the sea is pleasantly warm and allows long swims.
October, the hottest month of the year, is generally a very hot month. The average temperature is of
29.1 °C, with a minimum of
24.3 °C and a maximum of
33.8 °C.
On the coldest nights of the month, the temperature usually drops to around
21.5 °C.
On the warmest days of the month, the temperature usually reaches around
36.5 °C.
Precipitation amounts to
160 mm, distributed over 8 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 73% of the time.
The average humidity is 69%.
The average wind speed is of
9 kph.
The average sea temperature is of
29 °C. Therefore, the sea is pleasantly warm and allows long swims.
November is generally a very hot, muggy month. The average temperature is of
28.6 °C, with a minimum of
24.4 °C and a maximum of
32.7 °C.
On the coldest nights of the month, the temperature usually drops to around
21.5 °C.
On the warmest days of the month, the temperature usually reaches around
36 °C.
Precipitation amounts to
220 mm, distributed over 14 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 64% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is of
7.7 kph.
The average sea temperature is of
29.6 °C. Therefore, the sea is pleasantly warm and allows long swims.
December is generally a very hot, muggy month. The average temperature is of
27.7 °C, with a minimum of
24.2 °C and a maximum of
31.2 °C.
On the coldest nights of the month, the temperature usually drops to around
22 °C.
On the warmest days of the month, the temperature usually reaches around
34 °C.
Precipitation amounts to
330 mm, distributed over 17 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 48% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
7.4 kph.
The average sea temperature is of
29.5 °C. Therefore, the sea is pleasantly warm and allows long swims.