Bosnia and Herzegovina in general has a mild climate. The day temperatures range from 11 °C (53 °F) in January to 31 °C (89 °F) in July. The highest sea temperatures in Bosnia and Herzegovina are in August with 25 °C (77 °F) and the lowest in February with 14 °C (57 °F). The driest month is July with just 4 days of rain, on the contrary, the month when it rains the most is December with 12 days of rain. Temperatures during the night go from 4 °C (39 °F) in February to 21 °C (70 °F) in July.
The best time to visit Bosnia and Herzegovina is between June and September. During this period, temperatures are between 26 °C (79 °F) - 31 °C (89 °F), night temperatures are between 16 °C (62 °F) - 21 °C (70 °F), rainfall averages 5 days per month, and 9 hours of sunlight on average. The sea temperature at this time of the year is around 22 °C (72 °F) - 25 °C (77 °F). For non-beach activities, such as sightseeing, hiking in nature, the best time to visit is June - September.
The time, when it's dry in Bosnia and Herzegovina is between June - September. In this period it is raining on average 5 days and approximately 56 mm (2.22 in) precipitation falls per month, which are values below average.
The highest sea temperatures in Bosnia and Herzegovina could be expected between July - September. During these months the sea temperature reaches 23 °C (73 °F) - 25 °C (77 °F).
The hottest month in Bosnia and Herzegovina is July with a temperature of 31 °C (89 °F). The period with the highest daytime temperatures is in Bosnia and Herzegovina during July - August. The temperatures range at this time between 31 °C (88 °F) - 31 °C (89 °F).
The period, which is the sunniest in Bosnia and Herzegovina, is in the months of June - August, when there is an average of 10 sun hours per day.
The highest night temperatures in Bosnia and Herzegovina occur in the months of June - August. During this time the night temperatures are between 19 °C (66 °F) - 21 °C (70 °F).
No, you are unlikely to experience frosts in Bosnia and Herzegovina.
Bosnia and Herzegovina is a destination with rather light or moderate winds. The wind blows the most in November - January and the least in April - June.
Bosnia and Herzegovina belongs to destinations with lower humidity. It is in the range of 59 % - 76 %. The most humid months are November - January and the least humid are July - August.
The least cloudy months in Bosnia and Herzegovina are July - September, when the cloud cover is on average only 33 %.