ClimateAverages

Longjiang Climate

Heilongjiang, China · population 106,384 · 18 weather stations within 200 km · records 1839 to 2025

Average annual daytime high
9.1°C
Warmest month · July
27.2°C
Typical daytime high
Coldest month · January
-24.9°C
Typical overnight low

Longjiang has an average annual daytime high of 9.1°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 27.2°C, and its coldest is January, with overnight lows near -24.9°C.

Month by month averages

MonthAvg highAvg low
January-12.8°C-24.9°CColdest
February-8.1°C-21.4°C
March1.3°C-12.1°C
April11.8°C-2.0°C
May20.7°C6.2°C
June25.7°C13.0°C
July27.2°C16.5°CWarmest
August25.6°C14.4°C
September19.9°C7.1°C
October10.8°C-2.0°C
November-1.5°C-12.9°C
December-10.8°C-21.8°C

Temperature range across the year

-27°-13°1°15°29°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2018
+3.0°C vs. 1951–1980
Coldest year on record
1914
-2.4°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Longjiang getting hotter?

Since 1900, Longjiang's average temperature has risen by +2.4°C. Compared to the earliest station records that begin in 1839, warming totals +2.6°C.

2.7°3.5°4.3°5.2°6.0°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
May to September

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Longjiang?

Longjiang's average annual daytime high is 9.1°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 27.2°C, and the coldest is January, with lows averaging -24.9°C.

What is the warmest month in Longjiang?

July is the warmest month in Longjiang, with typical daytime highs of 27.2°C.

What is the hottest year on record for Longjiang?

2018 is the hottest year on record for Longjiang, running +3.0°C above the 1951 to 1980 baseline.

Is Longjiang getting hotter?

Yes. Since 1900, Longjiang has warmed by roughly +2.4°C.

When is the best time to visit Longjiang?

May to September typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.