Derna Weather & Climate: Best Time to Visit
Derna, Libya, sees big temperature differences between seasons, with August peaking at 33°C (91°F) and January dropping to 17°C (63°F).
The city has an arid climate, receiving only 126 mm (5 in) of rainfall per year. The sunniest month is July, with 10.5 hours of sunshine per day on average.
Monthly Temperature in Derna
Visitors to Derna can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 33°C (91°F) in August to a moderate 17°C (63°F) in January.
Nighttime temperatures range from 23°C (73°F) in August to 8°C (46°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Derna
Derna experiences desert-like conditions in terms of precipitation with almost no rainfall, generally receiving 126 mm (5 in) annually. The seasons in Derna bring significant changes in precipitation. The wettest month, January, receives low rainfall, with an average of 25 mm (1 in) of precipitation. This rainfall is distributed across 11 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 0.2 mm (0.01 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Derna Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Derna
In Derna, summer days are longer and more sunny, with daily sunshine hours peaking at 10.5 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.9 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Derna
The mean water temperature over the year ranges from 17°C (63°F) in January to 26°C (79°F) in August.
Water temperature over the year
Humidity in Derna by Month
The relative humidity is high throughout the year in Derna.
The city experiences its highest humidity in July, reaching 80%. In February, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Derna
The average wind speed over the year ranges from 3 m/s (6 knots) to 6 m/s (12 knots). It is lower in October and higher in February. What does this mean?
The mean monthly wind speed over the year (meters per second)
Derna 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Derna
During March, April, May, October, November and December, Derna experiences its best dry weather, with temperatures between 19°C (65°F) and 28°C (82°F). The consistently dry conditions mean abundant sunshine for your visit.Make the most of the clear weather, but remember to protect yourself from the sun and stay well-hydrated. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
