Weather in Jinan

On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are May, September, and October. Jinan is in China at 36.7°N. The 2001–2020 NASA POWER daily record describes a continental climate with a wide temperature swing.

July is the warmest month (average 27.2°C, high 32.3°C) and January is the coolest (average -1.9°C, low -6.7°C). Rain is wet season runs from June to August, inside an annual total of 738 mm. The wettest month is July at 188 mm; the driest is January at 7 mm.

Rain through the year

The wet season in Jinan starts in June and ends in August (June, July, and August). July is the core of it at 188 mm. January is the other extreme, with 7 mm.

A rainy day here is a day with at least 1 mm in the NASA POWER series. July averages 17 such days; January averages 2.

How warm Jinan gets

The heat peaks in July, when the typical afternoon is 32.3°C. The opposite pole is January, when mornings average -6.7°C.

Mean high across all twelve months is 19.4°C and mean low is 7.5°C. These are 20-year grid averages, so a city station can read a few degrees warmer or cooler.

Distinctive months in Jinan

January is the coolest month, with lows around -6.7°C and highs near 3.0°C. Rainfall is 7 mm. February brings 15 mm and 3 rainy days; temperatures run from -4.2°C to 7.0°C. March stands apart from the months beside it: 14.4°C / 0.3°C and 12 mm. April: 21.8°C high, 6.6°C low, 41 mm rain, 54% humidity. In May, Jinan averages 28.2°C by day and 13.3°C at night, with 63 mm of rain. The wet season opens in June. Expect 92 mm and 10 rainy days, with nights around 19.0°C.

July is both the hottest and wettest month: highs around 32.3°C, 188 mm of rain, and 72% humidity. By August the wet season is ending. Jinan still sees about 186 mm, but the next month is usually leaner. In September, Jinan averages 26.4°C by day and 15.2°C at night, with 68 mm of rain. In October, Jinan averages 20.6°C by day and 8.3°C at night, with 26 mm of rain. November: 12.1°C high, 0.5°C low, 31 mm rain, 67% humidity. December stands apart from the months beside it: 4.5°C / -5.1°C and 10 mm.

Best months to visit Jinan

The three months with the highest comfort score are May, September, and October: May (20.7°C average, 63 mm, 53% humidity); September (20.8°C average, 68 mm, 71% humidity); October (14.5°C average, 26 mm, 66% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you want the wet season itself — fewer crowds, greener landscape, heavier rain — aim at June–August instead of the score.

How Jinan compares inside China

Weifang is about 188 km away: Jinan is about as warm as Weifang at the hot peak and 75 mm wetter over the year than Weifang. Weifang’s wettest month is July (168 mm) versus July here.

Tianjin is about 276 km away: Jinan is 0.5°C cooler than Tianjin in its hottest month and 206 mm wetter over the year than Tianjin. Tianjin’s wettest month is July (156 mm) versus July here.

Beijing is about 364 km away: Jinan is 0.5°C warmer than Beijing in its hottest month and 205 mm wetter over the year than Beijing. Beijing’s wettest month is July (151 mm) versus July here.