Koper has a tropical climate with warm temperatures year-round. The coolest month is Dec (18°C64°F) and the warmest is Mar (38°C100°F). Annual rainfall totals 911mm.
Monthly Averages
Jan
High34°C93°F
Avg Temp26°C79°F
Low19°C65°F
Precipitation2 mm
Wind8 km/h2 m/s5 mph
Feb
High36°C97°F
Avg Temp29°C83°F
Low21°C70°F
Precipitation2 mm
Wind8 km/h2 m/s5 mph
Mar
High38°C100°F
Avg Temp31°C87°F
Low24°C75°F
Precipitation18 mm
Wind7 km/h2 m/s5 mph
Apr
High37°C99°F
Avg Temp31°C88°F
Low25°C77°F
Precipitation40 mm
Wind8 km/h2 m/s5 mph
May
High35°C95°F
Avg Temp30°C85°F
Low24°C76°F
Precipitation90 mm
Wind8 km/h2 m/s5 mph
Jun
High33°C91°F
Avg Temp28°C82°F
Low23°C73°F
Precipitation118 mm
Wind7 km/h2 m/s5 mph
Jul
High31°C87°F
Avg Temp26°C79°F
Low22°C72°F
Precipitation181 mm
Wind7 km/h2 m/s4 mph
Aug
High30°C86°F
Avg Temp26°C78°F
Low22°C71°F
Precipitation235 mm
Wind6 km/h2 m/s4 mph
Sep
High31°C88°F
Avg Temp26°C79°F
Low21°C71°F
Precipitation166 mm
Wind5 km/h1 m/s3 mph
Oct
High34°C93°F
Avg Temp28°C82°F
Low22°C71°F
Precipitation52 mm
Wind5 km/h1 m/s3 mph
Nov
High36°C97°F
Avg Temp28°C82°F
Low20°C68°F
Precipitation5 mm
Wind6 km/h2 m/s3 mph
Dec
High34°C94°F
Avg Temp26°C79°F
Low18°C65°F
Precipitation2 mm
Wind7 km/h2 m/s4 mph
HighLowPrecipitation
Monthly Wind Speed
km/hm/smph
Frequently Asked Questions
What is the climate like in Koper?
Koper has an average annual temperature of 28°C with 911mm of rainfall per year. The warmest month is Mar (38°C) and the coldest is Dec (18°C).
What is the hottest month in Koper?
The hottest month in Koper is Mar, with an average high of 38°C.
How much rain does Koper get?
Koper receives 911mm of precipitation annually. The wettest month is Aug (235mm) and the driest is Jan (2mm).
When is the best time to visit Koper?
The best time to visit Koper is during Aug, Sep, Jan, when temperatures are comfortable and rainfall is relatively low.