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Kaifeng, China climate
Cwa Monsoon-influenced humid subtropical
Kaifeng has a strongly seasonal mild-temperate climate (Monsoon-influenced humid subtropical, Köppen Cwa). The hottest month is July with an average daily high near 32°C, while the coldest is January averaging around −3°C at night. Precipitation totals about 639 mm a year and is strongly seasonal — July alone averages 152 mm while December barely receives 8 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsKaifeng climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 6 | 10 | 15 | 22 | 28 | 32 | 32 | 30 | 27 | 22 | 15 | 8 |
| Avg temp (°C) | 1 | 5 | 10 | 16 | 22 | 27 | 28 | 26 | 22 | 16 | 9 | 3 |
| Avg low (°C) | −3 | 0 | 4 | 10 | 16 | 21 | 23 | 22 | 17 | 11 | 4 | −1 |
| Precipitation (mm) | 10 | 13 | 22 | 35 | 55 | 65 | 152 | 137 | 79 | 34 | 27 | 8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 6 | 10 | 15 | 22 | 28 | 32 |
| Avg temp (°C) | 1 | 5 | 10 | 16 | 22 | 27 |
| Avg low (°C) | −3 | 0 | 4 | 10 | 16 | 21 |
| Precipitation (mm) | 10 | 13 | 22 | 35 | 55 | 65 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 30 | 27 | 22 | 15 | 8 |
| Avg temp (°C) | 28 | 26 | 22 | 16 | 9 | 3 |
| Avg low (°C) | 23 | 22 | 17 | 11 | 4 | −1 |
| Precipitation (mm) | 152 | 137 | 79 | 34 | 27 | 8 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 3 | 4 | 5 | 6 | 6 | 7 | 11 | 10 | 8 | 6 | 5 | 3 |
| Days with high ≥ 32°C (days) | — | — | 0.0 | 0.8 | 4 | 14 | 14 | 8 | 2 | 0.1 | — | — |
| Days with low ≤ 0°C (days) | 23 | 15 | 4 | 0.1 | — | — | — | — | — | 0.1 | 4 | 19 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 3 | 4 | 5 | 6 | 6 | 7 |
| Days with high ≥ 32°C (days) | — | — | 0.0 | 0.8 | 4 | 14 |
| Days with low ≤ 0°C (days) | 23 | 15 | 4 | 0.1 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 10 | 8 | 6 | 5 | 3 |
| Days with high ≥ 32°C (days) | 14 | 8 | 2 | 0.1 | — | — |
| Days with low ≤ 0°C (days) | — | — | — | 0.1 | 4 | 19 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 54 | 60 | 63 | 65 | 67 | 68 | 70 | 64 | 62 | 57 | 51 | 49 |
| Clear days (≤ 30% cloud) | 9 | 7 | 6 | 5 | 5 | 4 | 4 | 6 | 8 | 9 | 10 | 11 |
| Partly cloudy days (30–70%) | 10 | 9 | 10 | 10 | 9 | 10 | 10 | 10 | 7 | 8 | 9 | 9 |
| Cloudy days (≥ 70%) | 12 | 13 | 15 | 15 | 17 | 16 | 18 | 16 | 15 | 14 | 11 | 11 |
| Relative humidity (%) | 63 | 61 | 57 | 53 | 52 | 55 | 68 | 70 | 67 | 63 | 64 | 63 |
| Wind speed (mph) | 5.1 | 5.3 | 6.0 | 6.2 | 6.0 | 5.3 | 4.8 | 4.5 | 4.4 | 4.7 | 5.3 | 5.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 54 | 60 | 63 | 65 | 67 | 68 |
| Clear days (≤ 30% cloud) | 9 | 7 | 6 | 5 | 5 | 4 |
| Partly cloudy days (30–70%) | 10 | 9 | 10 | 10 | 9 | 10 |
| Cloudy days (≥ 70%) | 12 | 13 | 15 | 15 | 17 | 16 |
| Relative humidity (%) | 63 | 61 | 57 | 53 | 52 | 55 |
| Wind speed (mph) | 5.1 | 5.3 | 6.0 | 6.2 | 6.0 | 5.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 70 | 64 | 62 | 57 | 51 | 49 |
| Clear days (≤ 30% cloud) | 4 | 6 | 8 | 9 | 10 | 11 |
| Partly cloudy days (30–70%) | 10 | 10 | 7 | 8 | 9 | 9 |
| Cloudy days (≥ 70%) | 18 | 16 | 15 | 14 | 11 | 11 |
| Relative humidity (%) | 68 | 70 | 67 | 63 | 64 | 63 |
| Wind speed (mph) | 4.8 | 4.5 | 4.4 | 4.7 | 5.3 | 5.4 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 23 years of daily observations at Zhengzhou, a weather station, about 61 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.