Climate averages 1991–2020

Nasiriyah weather
in January.

A mild, fairly dry month: the coolest and the wettest of the year.

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

Average high 17.9°C Daytime mean, January

Average low 7.0°C Night-time mean, January

Rainfall 25 mm 4 days with ≥1 mm

Daylight 10 h Sunrise to sunset, per day

January is a mild month in Nasiriyah: daytime highs average 17.9°C and nights cool to about 7.0°C. By daytime temperature it is the coolest month of the year.

Expect about 25 mm of rain on roughly 4 days, which makes January a fairly dry month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 22 min on an average January day.

The nearest other city in this atlas is Ash Shaţrah (40 km away). In January its highs average 17.7°C, about as warm as Nasiriyah, with 26 mm of rain.

Among the 59 cities listed in Iraq, Nasiriyah ranks joint 6th of 59 for the warmest January highs and joint 15th of 59 for the driest January (rainfall, lowest first). The mean January high of those 59 cities is 14.5°C; Nasiriyah is 3.3°C warmer than that mean.

From January to February, average highs rise by 3.2°C to 21.0°C, and monthly rainfall falls from 25 mm to 14 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

Nasiriyah climate table

1991–2020

Monthly climate averages for Nasiriyah, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	17.9°C7.0°C	7.0°C	25	4.0	10.410 h
February	21.0°C8.8°C	8.8°C	14	2.5	11.111 h
March	26.7°C13.3°C	13.3°C	15	2.4	12.012 h
April	33.3°C19.3°C	19.3°C	11	2.2	12.913 h
May	39.8°C25.6°C	25.6°C	2.9	0.6	13.714 h
June	44.3°C30.0°C	30.0°C	0	0.0	14.114 h
July	46.2°C32.0°C	32.0°C	0	0.0	14.014 h
August	46.4°C31.7°C	31.7°C	0	0.0	13.313 h
September	42.6°C27.6°C	27.6°C	0.2	0.1	12.412 h
October	36.0°C21.9°C	21.9°C	5.3	0.9	11.411 h
November	25.6°C14.0°C	14.0°C	24	2.9	10.611 h
December	19.4°C8.6°C	8.6°C	19	3.5	10.210 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 Nasiriyah

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 Nasiriyah) is explained once on the Nasiriyah year overview and on the Sources, method and limits page.