Climate averages 1991–2020

Yilan, China weather
in July.

A warm, wet month: the warmest and one of the wettest of the year.

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

Average high 26.9°C Daytime mean, July
Average low 18.1°C Night-time mean, July
Rainfall 115 mm 13 days with ≥1 mm
Daylight 15 h Sunrise to sunset, per day
Every month in Yilan · average highYear overview

July is a warm month in Yilan, China: daytime highs average 26.9°C and nights cool to about 18.1°C. By daytime temperature it is the warmest month of the year.

Expect about 115 mm of rain on roughly 13 days, which makes July a wet month (one of the wettest months of the year). Daylight, from sunrise to sunset, lasts about 15 h 24 min on an average July day.

The nearest other city in this atlas is Jiamusi (78 km away). In July its highs average 26.9°C, about as warm as Yilan, China, with 121 mm of rain.

Among the 884 cities listed in China, Yilan, China ranks joint 760th of 884 for the warmest July highs and joint 96th of 884 for the driest July (rainfall, lowest first). The mean July high of those 884 cities is 30.0°C; Yilan, China is 3.2°C cooler than that mean.

From July to August, average highs fall by 1.8°C to 25.1°C, and monthly rainfall stays at 115 mm.

The annual picture

July 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. -25-20-15-10-5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

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

Every month, side by side

Yilan, China climate table

1991–2020
Monthly climate averages for Yilan, China, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -12.6°C-23.0°C-23.0°C5.31.39.19 h
February -6.9°C-19.5°C-19.5°C5.92.010.310 h
March 2.2°C-10.2°C-10.2°C184.311.912 h
April 12.7°C-0.4°C-0.4°C367.213.514 h
May 19.7°C7.3°C7.3°C6310.815.015 h
June 24.7°C14.3°C14.3°C8412.215.716 h
July, selected 26.9°C18.1°C18.1°C11513.315.415 h
August 25.1°C16.7°C16.7°C11512.614.214 h
September 20.1°C10.1°C10.1°C568.612.613 h
October 11.0°C1.3°C1.3°C416.811.011 h
November -0.6°C-8.8°C-8.8°C184.59.59 h
December -10.9°C-19.8°C-19.8°C9.92.88.79 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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

July in nearby cities

Distance from Yilan

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