Climate averages 1991–2020

Jianchang weather
in January.

A cool, moderately wet month: the coolest and the joint 4th driest of the year.

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

Average high 11.6°C Daytime mean, January

Average low 4.3°C Night-time mean, January

Rainfall 80 mm 10 days with ≥1 mm

Daylight 11 h Sunrise to sunset, per day

January is a cool month in Jianchang: daytime highs average 11.6°C and nights cool to about 4.3°C. By daytime temperature it is the coolest month of the year.

Expect about 80 mm of rain on roughly 10 days, which makes January a moderately wet month (the joint 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 37 min on an average January day.

The nearest other city in this atlas is Qincheng (40 km away). In January its highs average 11.7°C, about as warm as Jianchang, with 84 mm of rain.

Among the 884 cities listed in China, Jianchang ranks 168th of 884 for the warmest January highs and joint 834th of 884 for the driest January (rainfall, lowest first). The mean January high of those 884 cities is 5.9°C; Jianchang is 5.8°C warmer than that mean.

From January to February, average highs rise by 2.8°C to 14.4°C, and monthly rainfall rises from 80 mm to 93 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

Jianchang climate table

1991–2020

Monthly climate averages for Jianchang, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	11.6°C4.3°C	4.3°C	80	10.4	10.611 h
February	14.4°C6.3°C	6.3°C	93	12.0	11.211 h
March	18.0°C10.0°C	10.0°C	208	17.3	12.012 h
April	23.7°C15.2°C	15.2°C	251	17.2	12.813 h
May	27.5°C19.8°C	19.8°C	275	16.9	13.513 h
June	29.9°C23.4°C	23.4°C	337	17.1	13.914 h
July	33.6°C26.0°C	26.0°C	144	12.0	13.714 h
August	33.1°C25.7°C	25.7°C	129	14.5	13.113 h
September	29.8°C22.3°C	22.3°C	79	9.2	12.312 h
October	25.4°C17.1°C	17.1°C	58	6.3	11.512 h
November	19.7°C11.5°C	11.5°C	80	8.1	10.811 h
December	13.8°C5.8°C	5.8°C	67	7.8	10.410 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 Jianchang

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