Climate averages 1991–2020

Yunnanyi weather
in January.

A mild, fairly dry month: one of the coolest and the 3rd driest of the year.

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

Average high 15.0°C Daytime mean, January
Average low 3.5°C Night-time mean, January
Rainfall 15 mm 3 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Yunnanyi · average highYear overview

January is a mild month in Yunnanyi: daytime highs average 15.0°C and nights cool to about 3.5°C. By daytime temperature it is one of the coolest months of the year.

Expect about 15 mm of rain on roughly 3 days, which makes January a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 45 min on an average January day.

The nearest other city in this atlas is Xiangcheng (14 km away). In January its highs average 14.9°C, about as warm as Yunnanyi, with 20 mm of rain.

Among the 884 cities listed in China, Yunnanyi ranks joint 132nd of 884 for the warmest January highs and joint 397th of 884 for the driest January (rainfall, lowest first). The mean January high of those 884 cities is 5.9°C; Yunnanyi is 9.1°C warmer than that mean.

From January to February, average highs rise by 2.4°C to 17.4°C, and monthly rainfall falls from 15 mm to 12 mm.

The annual picture

January in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2000

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

Every month, side by side

Yunnanyi climate table

1991–2020
Monthly climate averages for Yunnanyi, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected 15.0°C3.5°C3.5°C152.510.711 h
February 17.4°C5.1°C5.1°C122.811.311 h
March 20.9°C8.2°C8.2°C173.312.012 h
April 23.7°C11.0°C11.0°C253.712.713 h
May 24.8°C13.6°C13.6°C698.213.413 h
June 24.7°C16.2°C16.2°C12114.213.714 h
July 23.3°C16.1°C16.1°C18422.113.614 h
August 23.1°C15.6°C15.6°C17921.713.013 h
September 22.0°C14.5°C14.5°C10917.312.312 h
October 20.1°C12.0°C12.0°C589.111.612 h
November 17.4°C7.5°C7.5°C193.110.911 h
December 15.0°C4.3°C4.3°C7.41.910.611 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 Yunnanyi

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