Tripoli, Libya Climate & Monthly Averages
Tripoli has a hot desert climate. August is the hottest month, averaging 91° by day; January is the coldest at 63°.
Tripoli's climate runs on sunshine and sparse rain
Tripoli works on a dry budget: 9.3 inches (237 mm) of precipitation a year, spread over roughly 46 days. Temperature does the varying instead, from 63°F (17°C) on a typical January afternoon to 91°F (33°C) in August, with nights 8°C below the day.
What the dry climate changes
At its warmest, in August, Tripoli runs to 91°F (33°C) in the afternoon and back to 75°F (24°C) by dawn. January sits at the other end of the year: 63°F (17°C) by day, 50°F (10°C) at night. Relative humidity averages 63% across the year, drier than about 82% of the cities we track.
July is the brightest month at 13.3 hours of sun a day, against an annual average of 10.8 - sunnier than 91% of the 3496 cities in our dataset. Average highs hold at or above 30°C for 4 months of the year, June through September being the unbroken run. 6 months average under 20 mm of rain, the longest unbroken stretch running April through September. December is the wettest month at 2.2 inches (56 mm) over 9 days; July is the driest.
The gridded 2015-2024 daily record for this location tops out at 114°F (46°C) and bottoms at 39°F (4°C) - decade extremes, not all-time station records.
More climate facts for Tripoli
- Hottest month: August - highs near 91°F (33°C)
- Coldest month: January - highs near 63°F (17°C)
- Decade extremes (2015-2024): 114°F (46°C) high · 39°F (4°C) low
- Wettest month: December (9 rainy days) · Sunniest: July (13.3 h sun/day)
- Climate type: hot desert
- Annual swing: 15°C between the average warmest and coolest month · day to night: 8°C
- Months averaging 30°C or hotter: 4
- Average humidity: 63%
Heat, cold and scarce precipitation in the dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.
When the dry weather is easiest to use
Avoiding the hardest heat or cold
The best time to visit Tripoli is generally January to May and October, when temperatures sit either side of the peak heat rather than in it. Daytime temperatures in that window sit near 73°F (23°C), with rain on about 5 days a month. For the same question asked the other way round, see where else is warm in January.
Prepare for sun and cooler nights
Pack for Tripoli with lightweight, breathable clothing and serious sun protection. Note the gap between afternoon and night: August pairs 91°F (33°C) with 75°F (24°C).
Monthly heat and rainfall table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 63° | 50° | 7 | 1.5 in | 8.9 h/day | 10.2 h | 23% | 63% |
| February | 65° | 51° | 6 | 1.2 in | 9.4 h/day | 11.0 h | 22% | 64% |
| March | 69° | 54° | 5 | 0.8 in | 10.5 h/day | 11.9 h | 15% | 63% |
| April | 75° | 58° | 2 | 0.5 in | 11.2 h/day | 13.0 h | 8% | 61% |
| May | 81° | 64° | 1 | 0.2 in | 12.0 h/day | 13.8 h | 5% | 59% |
| June | 88° | 70° | 1 | 0.1 in | 13.1 h/day | 14.3 h | 2% | 59% |
| July | 90° | 73° | 0 | 0.0 in | 13.3 h/day | 14.1 h | 1% | 63% |
| August | 91° | 75° | 1 | 0.1 in | 12.4 h/day | 13.4 h | 3% | 64% |
| September | 89° | 74° | 3 | 0.7 in | 11.5 h/day | 12.3 h | 11% | 63% |
| October | 82° | 68° | 6 | 1.0 in | 9.7 h/day | 11.3 h | 18% | 65% |
| November | 74° | 60° | 5 | 1.1 in | 9.3 h/day | 10.4 h | 16% | 63% |
| December | 66° | 53° | 9 | 2.2 in | 8.8 h/day | 10.0 h | 28% | 66% |
How daytime heat and cool nights change by month
Each card shows the average high and low. The bar places that month between Tripoli's coldest night and warmest afternoon.
January
- Rain
- 7 days
- Sunshine
- 8.9 h
- Daylight
- 10.2 h
February
- Rain
- 6 days
- Sunshine
- 9.4 h
- Daylight
- 11.0 h
March
- Rain
- 5 days
- Sunshine
- 10.5 h
- Daylight
- 11.9 h
April
- Rain
- 2 days
- Sunshine
- 11.2 h
- Daylight
- 13.0 h
May
- Rain
- 1 day
- Sunshine
- 12.0 h
- Daylight
- 13.8 h
June
- Rain
- 1 day
- Sunshine
- 13.1 h
- Daylight
- 14.3 h
July
- Rain
- 0 days
- Sunshine
- 13.3 h
- Daylight
- 14.1 h
August
- Rain
- 1 day
- Sunshine
- 12.4 h
- Daylight
- 13.4 h
September
- Rain
- 3 days
- Sunshine
- 11.5 h
- Daylight
- 12.3 h
October
- Rain
- 6 days
- Sunshine
- 9.7 h
- Daylight
- 11.3 h
November
- Rain
- 5 days
- Sunshine
- 9.3 h
- Daylight
- 10.4 h
December
- Rain
- 9 days
- Sunshine
- 8.8 h
- Daylight
- 10.0 h
Looking for warmer alternatives? Browse warm places by month, or compare Tripoli's coolest part of the year: January, February, December.
Heat and cold across the Tripoli year
Spring (March through May)
Through spring, Tripoli is pleasantly warm: 75°F (24°C) by day, 59°F (15°C) after dark, and rain comes on about 9 days over the three months. Daylight is generous - around 11.2 hours of sun a day.
Summer (June through August)
Summer sits firmly in the heat here - highs near 90°F (32°C), nights near 73°F (23°C), and precipitation is essentially absent. Daylight is generous - around 12.9 hours of sun a day.
Fall (September through November)
Through fall, Tripoli sits firmly in the heat: 82°F (28°C) by day, 67°F (19°C) after dark, and rain comes on about 14 days over the three months. Daylight is generous - around 10.2 hours of sun a day.
Winter (December through February)
Winter in Tripoli is crisp but comfortable, with daytime highs averaging 64°F (18°C) and nights around 52°F (11°C); expect showers on roughly 22 days across the season.
How unusual is Tripoli?
- Annual precipitation is 9.3 inches (237 mm) - drier than all but 5% of the 3496 cities we track.
- Rain or snow reaches the ground on 46 days a year - fewer wet days than all but 8% of the 3496 cities we track.
These comparisons use the same ten-year window for every city in the dataset.