Weather in Guangzhou in January

China · 20-year averages, January

Prime time. January is about as good as Guangzhou gets. Highs average 20.5 °C, lows 8.8 °C, and rain falls on 6 days — nothing in the month is working against you.

January ranks 2 of 12 in Guangzhou. Only December scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain falls on only 6 days, so an itinerary with no wet-weather fallback is a reasonable risk. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average January reaches 30 °C. Across the twenty years measured, the hottest January day reached 31.5 °C and the coldest night fell to -1.6 °C, and the wettest single day dropped 52 mm — roughly 106% of the month's rain in one day.

This is the volatile part. January rainfall has ranged from 0 mm to 330 mm across the twenty years measured — a 330 mm spread around an average of 49 mm. The average is real but almost no individual January looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind is light at 9.3 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 70%.

How January sits in the year

This is a turning point in the year — December and February sit on opposite sides of it, so the month contains the change rather than following it.

Daylight in January

January sits at the dark end of Guangzhou's year — 10.9 hours of daylight against 13.5 at midsummer, holding steady all month. Sightseeing days are genuinely shorter, and an itinerary built for summer will not fit.

An inland climate

Despite being inland, the year stays fairly even: 23 °C between the year's warmest afternoons and coldest nights.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

January in Guangzhou versus nearby

If Guangzhou is one option among several, the nearby comparison is worth making. Shenzhen is close enough to be a coin toss — within a degree on temperature, 1 day less rain. Haiphong is close enough to be a coin toss — within a degree on temperature, the same number of rain days.

So: January is effectively as good as it gets here — 2 points behind December, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Guangzhou

MonthHigh °CLow °CRain daysRain mmHumidity %Daylight hScore
January20.58.8 6497010.989
February23.311.8 6417311.489
March26.215.2 1296741277
April29.219.3 151527812.759
May30.723 202988313.246
June3125.2 233328813.540
July31.725.5 202138713.438
August31.825.3 21244861338
September30.923.6 161788412.345
October2919.3 6567711.780
November26.314.9 641731189
December21.59.5 5306710.791

See all twelve months in Guangzhou, or where else to go in January.

Planning the rest of the trip

Built and maintained by Amit Sharma, Auckland, New Zealand. I build these sites so the answer is free and the data is public.

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