Climate averages 1991–2020

Aley weather
in January.

A cool, wet month: the coolest and one of the wettest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 10.6°C Daytime mean, January

Average low 2.0°C Night-time mean, January

Rainfall 123 mm 13 days with ≥1 mm

Daylight 10 h Sunrise to sunset, per day

January is a cool month in Aley: daytime highs average 10.6°C and nights cool to about 2.0°C. By daytime temperature it is the coolest month of the year.

Expect about 123 mm of rain on roughly 13 days, which makes January a wet month (one of the wettest months of the year). Daylight, from sunrise to sunset, lasts about 10 h 11 min on an average January day.

The nearest other city in this atlas is Beirut (13 km away). In January its highs average 15.7°C, 5.1°C warmer than Aley, with 144 mm of rain.

Among the 8 cities listed in Lebanon, Aley ranks 7th of 8 for the warmest January highs and 3rd of 8 for the driest January (rainfall, lowest first). The mean January high of those 8 cities is 13.8°C; Aley is 3.2°C cooler than that mean.

From January to February, average highs rise by 0.8°C to 11.4°C, and monthly rainfall stays at 123 mm.

The annual picture

January in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Aley climate table

1991–2020

Monthly climate averages for Aley, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	10.6°C2.0°C	2.0°C	123	12.7	10.210 h
February	11.4°C2.2°C	2.2°C	123	11.3	10.911 h
March	14.2°C4.3°C	4.3°C	94	9.8	12.012 h
April	18.0°C7.3°C	7.3°C	46	6.3	13.013 h
May	22.2°C11.3°C	11.3°C	18	3.4	13.914 h
June	25.7°C15.0°C	15.0°C	2.7	0.9	14.414 h
July	28.1°C17.4°C	17.4°C	0.6	0.2	14.214 h
August	28.4°C18.0°C	18.0°C	0.8	0.3	13.413 h
September	26.7°C16.3°C	16.3°C	5.7	1.3	12.412 h
October	23.3°C12.9°C	12.9°C	26	4.8	11.411 h
November	17.5°C7.7°C	7.7°C	65	7.6	10.410 h
December	12.8°C4.0°C	4.0°C	105	10.4	10.010 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

January in nearby cities

Distance from Aley

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Aley) is explained once on the Aley year overview and on the Sources, method and limits page.