Climate averages 1991–2020

Īlām weather
in January.

A cold, moderately wet month: the coolest and the 11th driest of the year.

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

Average high 7.3°C Daytime mean, January

Average low -1.7°C Night-time mean, January

Rainfall 89 mm 10 days with ≥1 mm

Daylight 10 h Sunrise to sunset, per day

January is a cold month in Īlām: daytime highs average 7.3°C and nights cool to about -1.7°C. By daytime temperature it is the coolest month of the year.

Expect about 89 mm of rain on roughly 10 days, which makes January a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 11 min on an average January day.

The nearest other city in this atlas is Eslāmābād-e Gharb (53 km away). In January its highs average 7.0°C, about as warm as Īlām, with 84 mm of rain.

Among the 128 cities listed in Iran, Īlām ranks 69th of 128 for the warmest January highs and 106th of 128 for the driest January (rainfall, lowest first). The mean January high of those 128 cities is 8.6°C; Īlām is 1.3°C cooler than that mean.

From January to February, average highs rise by 1.6°C to 8.9°C, and monthly rainfall falls from 89 mm to 88 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

Īlām climate table

1991–2020

Monthly climate averages for Īlām, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	7.3°C-1.7°C	-1.7°C	89	9.8	10.210 h
February	8.9°C-0.8°C	-0.8°C	88	10.6	11.011 h
March	13.2°C2.8°C	2.8°C	96	11.1	12.012 h
April	18.9°C7.5°C	7.5°C	67	9.4	13.013 h
May	25.7°C12.7°C	12.7°C	21	4.9	13.914 h
June	32.2°C17.7°C	17.7°C	1.0	0.3	14.314 h
July	35.3°C20.8°C	20.8°C	0.3	0.1	14.214 h
August	35.3°C20.6°C	20.6°C	0.2	0.0	13.413 h
September	30.9°C16.7°C	16.7°C	1.1	0.3	12.412 h
October	23.9°C11.8°C	11.8°C	31	4.2	11.411 h
November	14.7°C4.9°C	4.9°C	73	7.9	10.510 h
December	9.8°C0.7°C	0.7°C	78	8.6	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 Īlām

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