Tripoli weather in January

Name: Tripoli
Address: LY

In January, Tripoli has daytime highs averaging 16 °C, nights around 10 °C, with 6.3 wet days, and a sea temperature of 17 °C. Figures are 1991–2020 climate normals.

16.4°C Average high
10.4°C Average low
6.3days Wet days
36mm Rainfall
17.1°C Sea temperature
10h Daylight

Daily temperatures through January

Daily highDaily low Day of month on the horizontal axis. Highs peak at 16.8 °C and lows bottom out at 10.0 °C.

How January develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days	Avg high	Avg low	Chance of rain
1–10 January	16.5 °C	10.7 °C	18 %
11–20 January	16.2 °C	10.2 °C	23 %
21–31 January	16.4 °C	10.2 °C	20 %

Chance of a wet day (over 1 mm) by date in January. Wettest date over the 30 years: January 13, at 43 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure	Typical January	Share of the month
Days above 25 °C	0.03 of 31	0 %
Days above 30 °C	0 of 31	0 %
Days below 0 °C	0 of 31	0 %
Days with more than 1 mm rain	6.3 of 31	20 %

Conditions in January

Measure	Average
Mean temperature	13 °C
Record high (1991–2020)	26 °C
Record low (1991–2020)	5.3 °C
Relative humidity	66 %
Wind speed	20 km/h
Cloud cover	40 %

Where Tripoli ranks in January

Ranking	Position	Value
The coolest places in Africa in January	43rdof 50	16 °C

January compared with the months around it

Month	Avg high	Rainfall	Cloud
January	16.4 °C	36 mm	40 %
February	17.1 °C	30 mm	37 %
March	19.7 °C	20 mm	35 %
November	22.2 °C	24 mm	40 %
December	17.8 °C	31 mm	42 %

See all twelve months for Tripoli

January is the 12th warmest month here.
It is the 12th driest month of the year.
It ranks 10th for least cloud cover.
Days last about 10 hours from sunrise to sunset.
It rains on 6.3 of 31 days — 20 % of the month.
Nights are about 6.0 °C cooler than the middle of the day.
The hottest January day on record since 1991 reached 26 °C, 9.2 °C above the usual daytime high.
Beach score: 38 / 100 — see how this is calculated.

Nearby destinations in January

Destination	Avg high	Wet days	Sea
Tripoli	16 °C	6.3	17
Az Zāwīyah	17 °C	5	17
Zliten	17 °C	6	18
Misratah	17 °C	5	18
Sfax	16 °C	3	15

QuestionsJanuary in Tripoli, answered

How warm is Tripoli in January?

Daily highs average 16 °C and nights fall to about 10 °C, a spread of 6.0 °C between afternoon and dawn. That makes January the 12th warmest month of the year here.

Does it rain much in Tripoli in January?

January averages 36 mm of rain, spread over about 6 of the 31 days — 20 % of the month. Cloud cover averages 40 % of the sky.

Is the sea warm enough to swim in January?

The sea averages 17 °C off Tripoli in January. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in January?

Tripoli averages 10 hours between sunrise and sunset in January. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.