Tripoli is warmest in August, averaging 32° by day and 26° at night. The wettest month is December with 105 mm, and the year brings about 385 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 17° | 13° | 50 mm | 17° | 10.1 h | Sightseeing |
| February | 17° | 12° | 31 mm | 16° | 10.8 h | Sightseeing |
| March | 19° | 14° | 12 mm | 17° | 11.8 h | Sightseeing |
| April | 21° | 16° | 9 mm | 18° | 12.8 h | Sightseeing |
| May | 25° | 18° | 47 mm | 20° | 13.7 h | Sightseeing |
| June | 29° | 22° | 3 mm | 23° | 14.2 h | Beach weather |
| July | 31° | 25° | 0 mm | 26° | 14.0 h | Beach weather |
| August | 32° | 26° | 9 mm | 28° | 13.2 h | Beach weather |
| September | 30° | 25° | 30 mm | 27° | 12.2 h | Beach weather |
| October | 27° | 23° | 50 mm | 26° | 11.2 h | Beach weather |
| November | 23° | 19° | 39 mm | 23° | 10.3 h | Sightseeing |
| December | 19° | 15° | 105 mm | 20° | 9.8 h | Sightseeing |
High and low are average daily maximum and minimum, rain is typical monthly total, sea is the average surface temperature, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER and NOAA MUR — averages, not promises.
When to go
Beach weather: June, July, August, September and October — highs around 30°, nights no colder than 22°, and at most 50 mm of rain in a month. The sea sits at 23–28° then.
Walking the city: January, February, March, April, May, November and December — highs of 17–25° and no more than 105 mm of rain a month.