, with cold winters and quite warm summers.
The city is located in the central-eastern part of Slovenia, at an altitude of 240 meters (785 feet).
Precipitation is abundant, and although winter is the driest season, there can sometimes be heavy snowfalls. During the most intense cold spells, the temperature can drop to -20 °C (-4 °F) or even below. The cold record is -24 °C (-11 °F), set in January 2003.
Summer is quite warm, with nights usually cool. The sun shines quite often, although thunderstorms can break out, even of strong intensity. Sometimes there can be very hot periods, during which the temperature can reach or exceed 35 °C (95 °F). The heat record is 39.7 °C (103.5 °F), set in August 2013.
to visit Celje are spring and autumn, and in particular, the months of May, June and September: daytime temperatures are pleasant, although it's better to bring a sweater and a jacket for the evening. In July and August, the temperature is usually not too hot, however, there is the risk of some very hot days, which can happen, though more rarely, also in the second half of June and in the first half of September.
. Here are the average temperatures.
January, the coldest month of the year, is generally a cold month. The average temperature is of
0.4 °C, with a minimum of
-3.9 °C and a maximum of
4.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-12.5 °C. However, it dropped to
-19.6 °C in January 2017.
On the warmest days of the month, the temperature usually reaches around
13.5 °C. However, it reached
16.5 °C in January 2016.
Precipitation amounts to
46.4 mm, distributed over 6 days.
The day lasts on average 9 hours and 5 minutes.
There are on average 2.5 hours of sunshine per day. So, the sun shines 29% of the time.
The average humidity is 82%. Hence, the air is normally humid.
February is generally a cold month. The average temperature is of
1.9 °C, with a minimum of
-3.5 °C and a maximum of
7.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-11.5 °C. However, it dropped to
-21.6 °C in February 2018.
On the warmest days of the month, the temperature usually reaches around
16 °C. However, it reached
21.4 °C in February 2019.
Precipitation amounts to
58 mm, distributed over 6 days.
The day lasts on average 10 hours and 25 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 36% of the time.
The average humidity is 79%. Hence, the air is normally humid.
March is generally a quite cold month. The average temperature is of
6.1 °C, with a minimum of
0.1 °C and a maximum of
12.2 °C.
On the coldest nights of the month, the temperature usually drops to around
-7.5 °C. However, it dropped to
-20.3 °C in March 2018.
On the warmest days of the month, the temperature usually reaches around
20.5 °C. However, it reached
24.9 °C in March 2014.
Precipitation amounts to
60 mm, 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 75%. Hence, the air is normally humid.
April is generally a mild month. However, there are remarkable differences between night and day. The average temperature is of
10.8 °C, with a minimum of
4.2 °C and a maximum of
17.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-1.5 °C. However, it dropped to
-6.3 °C in April 2020.
On the warmest days of the month, the temperature usually reaches around
26 °C. However, it reached
28.8 °C in April 2018.
Precipitation amounts to
73.7 mm, distributed over 9 days.
The day lasts on average 13 hours and 35 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 72%. Hence, the air is normally humid.
May is generally a very mild month. The average temperature is of
15.3 °C, with a minimum of
8.8 °C and a maximum of
21.8 °C.
On the coldest nights of the month, the temperature usually drops to around
3 °C. However, it dropped to
-1.1 °C in May 2019.
On the warmest days of the month, the temperature usually reaches around
29 °C. However, it reached
31 °C in May 2009.
Precipitation amounts to
95.4 mm, distributed over 10 days.
The day lasts on average 15 hours and 0 minutes. So the days are long.
There are on average 7 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 74%. Hence, the air is normally humid.
June is generally a warm month. The average temperature is of
19.2 °C, with a minimum of
12.7 °C and a maximum of
25.7 °C.
On the coldest nights of the month, the temperature usually drops to around
7.5 °C. However, it dropped to
5.9 °C in June 2012.
On the warmest days of the month, the temperature usually reaches around
32.5 °C. However, it reached
35.8 °C in June 2019.
Precipitation amounts to
119.6 mm, distributed over 10 days.
The day lasts on average 15 hours and 40 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 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 76%. Hence, the air is normally humid.
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
20.8 °C, with a minimum of
14 °C and a maximum of
27.6 °C.
On the coldest nights of the month, the temperature usually drops to around
9 °C. However, it dropped to
6.6 °C in July 2011.
On the warmest days of the month, the temperature usually reaches around
34 °C. However, it reached
36.5 °C in July 2013.
Precipitation amounts to
126.2 mm, distributed over 10 days.
The day lasts on average 15 hours and 20 minutes. So the days are long.
There are on average 8.5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 76%. Hence, the air is normally humid.
August is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
20.5 °C, with a minimum of
13.7 °C and a maximum of
27.4 °C.
On the coldest nights of the month, the temperature usually drops to around
7.5 °C. However, it dropped to
4.2 °C in August 2010.
On the warmest days of the month, the temperature usually reaches around
34.5 °C. However, it reached
39.7 °C in August 2013.
Precipitation amounts to
113.8 mm, distributed over 9 days.
The day lasts on average 14 hours and 5 minutes. So the days are long.
There are on average 8 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 79%. Hence, the air is normally humid.
September is generally a very mild month. The average temperature is of
15.8 °C, with a minimum of
9.8 °C and a maximum of
21.9 °C.
On the coldest nights of the month, the temperature usually drops to around
4 °C. However, it dropped to
-0.3 °C in September 2018.
On the warmest days of the month, the temperature usually reaches around
29 °C. However, it reached
33.2 °C in September 2011.
Precipitation amounts to
132.1 mm, distributed over 10 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 46% of the time.
The average humidity is 82%. Hence, the air is normally humid.
October is generally a mild month. The average temperature is of
11.3 °C, with a minimum of
6.1 °C and a maximum of
16.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-1.5 °C. However, it dropped to
-4.5 °C in October 2011.
On the warmest days of the month, the temperature usually reaches around
23.5 °C. However, it reached
26 °C in October 2011.
Precipitation amounts to
114.7 mm, distributed over 8 days.
The day lasts on average 10 hours and 55 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 83%. Hence, the air is normally humid.
November is generally a quite cold month. The average temperature is of
6.1 °C, with a minimum of
2.1 °C and a maximum of
10.1 °C.
On the coldest nights of the month, the temperature usually drops to around
-4 °C. However, it dropped to
-7.5 °C in November 2016.
On the warmest days of the month, the temperature usually reaches around
19 °C. However, it reached
22 °C in November 2015.
Precipitation amounts to
99.9 mm, distributed over 8 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 26% of the time.
The average humidity is 83%. Hence, the air is normally humid.
December is generally a cold month. The average temperature is of
1 °C, with a minimum of
-2.9 °C and a maximum of
5 °C.
On the coldest nights of the month, the temperature usually drops to around
-13.5 °C. However, it dropped to
-21 °C in December 2009.
On the warmest days of the month, the temperature usually reaches around
15 °C. However, it reached
17.3 °C in December 2019.
Precipitation amounts to
77.5 mm, distributed over 8 days.
The day lasts on average 8 hours and 40 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 2 hours of sunshine per day. So, the sun shines 24% of the time.
The average humidity is 83%. Hence, the air is normally humid.