Tripoli, Libya Climate & Monthly Averages

Libya 🇱🇾 · hot desert climate
Annual avg
69°
Hottest month
August
Coldest month
January
Rainy days / yr
46
Sunshine
10.8 h/day
Right now: 88° and clear - see live conditions

The climate of Tripoli

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.

Climate quick facts

  • 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%

Temperatures through the year

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.

Rain, sun and snow

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.

How Tripoli compares

  • 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.

Ranked against every city in our dataset, each measured on the same ten-year window.

Monthly climate table

Monthly averages for Tripoli based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
January 63° 50° 7 1.5 in 8.9 h/day 63%
February 65° 51° 6 1.2 in 9.4 h/day 64%
March 69° 54° 5 0.8 in 10.5 h/day 63%
April 75° 58° 2 0.5 in 11.2 h/day 61%
May 81° 64° 1 0.2 in 12.0 h/day 59%
June 88° 70° 1 0.1 in 13.1 h/day 59%
July 90° 73° 0 0.0 in 13.3 h/day 63%
August 91° 75° 1 0.1 in 12.4 h/day 64%
September 89° 74° 3 0.7 in 11.5 h/day 63%
October 82° 68° 6 1.0 in 9.7 h/day 65%
November 74° 60° 5 1.1 in 9.3 h/day 63%
December 66° 53° 9 2.2 in 8.8 h/day 66%

Tripoli month by month

Tripoli weather in January

January brings highs around 63°F (17°C), lows near 50°F (10°C), about 7 wet days - typically the coldest month of the year in Tripoli.

Tripoli weather in February

February brings highs around 65°F (18°C), lows near 51°F (10°C), about 6 wet days.

Tripoli weather in March

March brings highs around 69°F (20°C), lows near 54°F (12°C), about 5 wet days.

Tripoli weather in April

April brings highs around 75°F (24°C), lows near 58°F (15°C), about 2 wet days.

Tripoli weather in May

May brings highs around 81°F (27°C), lows near 64°F (18°C), about 1 wet days.

Tripoli weather in June

June brings highs around 88°F (31°C), lows near 70°F (21°C), about 1 wet days.

Tripoli weather in July

July brings highs around 90°F (32°C), lows near 73°F (23°C), about 0 wet days - typically the driest month and the sunniest month of the year in Tripoli.

Tripoli weather in August

August brings highs around 91°F (33°C), lows near 75°F (24°C), about 1 wet days - typically the hottest month of the year in Tripoli.

Tripoli weather in September

September brings highs around 89°F (32°C), lows near 74°F (23°C), about 3 wet days.

Tripoli weather in October

October brings highs around 82°F (28°C), lows near 68°F (20°C), about 6 wet days.

Tripoli weather in November

November brings highs around 74°F (23°C), lows near 60°F (15°C), about 5 wet days.

Tripoli weather in December

December brings highs around 66°F (19°C), lows near 53°F (12°C), about 9 wet days - typically the wettest month of the year in Tripoli.

Seasons in Tripoli

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.

Climate questions, answered

When is the dry season in Tripoli?
6 months average under 20 mm of rain, with July the driest at less than 1 mm.
How cold does Tripoli get in winter?
January nights average 50°F (10°C). Cold never really arrives.
How often does it rain in Tripoli?
About 46 days bring measurable precipitation, totalling 9.3 inches (237 mm). That works out at roughly 5.2 mm on an average wet day.
How humid does Tripoli get?
Relative humidity averages 63% across the year, which reads as moderate. The most comfortable stretch falls in the drier half of the year.

Best time to visit Tripoli

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.

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).

Tripoli temperature records (2015-2024)

Highest recorded
114°
in July
Lowest recorded
39°
in January
Annual precipitation
9.3"
Snowy days / yr
0

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.