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Derna Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Derna.
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Climate overview of Derna
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.
Derna Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Derna - and find the best time to visit.
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)
Best Time to Visit Derna
For comfortable weather, consider visiting Derna in February, March, April, May, October, November and December. Conditions are usually least favourable in July and August.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very good
Feb
excellent
Mar
excellent
Apr
excellent
May
excellent
Jun
very good
Jul
good
Aug
good
Sep
very good
Oct
excellent
Nov
excellent
Dec
excellent
- Best overall: February, March, April, May, October, November and December
- Warmest weather: July and August
- Most sunshine: July
- Fewer rainy days: May, June, July, August and September
- Best for swimming: May, June, July, August, September, October and November.
- Seasonal pattern: Very little rainfall year-round, with very warm summers and mild winters
Frequently asked questions about the climate in Derna
What is the best time to visit Derna?
February, March, April, May, October, November and December typically offer the most optimal weather in Derna. In contrast, July and August tend to have less optimal conditions. Derna has very little rainfall year-round, with very warm summers and mild winters.
What temperatures can I expect in Derna?
Daytime highs range from 17°C (63°F) in January to 33°C (91°F) in August. Nighttime lows range from 8°C (46°F) to 23°C (73°F). Temperatures vary considerably through the year.
How much rain does Derna get?
Annual rainfall is around 126 mm (5 in). January is the wettest month with 25 mm (1 in), while July is the driest with 0.2 mm (0.01 in).
How sunny is Derna?
Derna receives around 2,764 hours of sunshine per year. July is the sunniest month with 316 hours, while December is the cloudiest with just 146 hours. Overall, Derna enjoys abundant sunshine.
Derna 3-Day Forecast
Derna on the map
Derna is highlighted - select any city to see its climate.
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