Climate averages 1991–2020
Haimen weather
in October.
A warm, moderately wet month: the 6th warmest and the joint 4th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Haimen: daytime highs average 26.5°C and nights cool to about 22.0°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 54 mm of rain on roughly 5 days, which makes October a moderately wet month (the joint 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 38 min on an average October day.
The nearest other city in this atlas is Shantou (19 km away). In October its highs average 26.9°C, about as warm as Haimen, with 56 mm of rain.
Among the 884 cities listed in China, Haimen ranks joint 112th of 884 for the warmest October highs and joint 448th of 884 for the driest October (rainfall, lowest first). The mean October high of those 884 cities is 20.4°C; Haimen is 6.1°C warmer than that mean.
From October to November, average highs fall by 3.2°C to 23.3°C, and monthly rainfall stays at 54 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Haimen climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.4°C12.3°C | 12.3°C | 30 | 4.8 | 10.911 h |
| February | 18.1°C13.1°C | 13.1°C | 42 | 6.9 | 11.411 h |
| March | 20.5°C15.5°C | 15.5°C | 62 | 9.6 | 12.012 h |
| April | 23.9°C19.2°C | 19.2°C | 106 | 11.9 | 12.713 h |
| May | 26.8°C22.7°C | 22.7°C | 191 | 17.3 | 13.213 h |
| June | 28.8°C25.3°C | 25.3°C | 246 | 22.0 | 13.514 h |
| July | 29.8°C26.0°C | 26.0°C | 210 | 20.5 | 13.413 h |
| August | 29.7°C25.8°C | 25.8°C | 261 | 22.1 | 12.913 h |
| September | 28.9°C24.9°C | 24.9°C | 166 | 15.2 | 12.312 h |
| October, selected | 26.5°C22.0°C | 22.0°C | 54 | 5.4 | 11.612 h |
| November | 23.3°C18.2°C | 18.2°C | 54 | 5.0 | 11.011 h |
| December | 19.2°C14.0°C | 14.0°C | 39 | 4.7 | 10.711 h |
Rainfall is the average of the 30 separate monthly totals. A rain 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
October in nearby cities
- Shantou in OctoberChina · 19 kmHigh 26.9°C · Low 21.6°C · 56 mm rain
- Chenghua in OctoberChina · 34 kmHigh 26.8°C · Low 21.4°C · 46 mm rain
- Huicheng (Guangdong), China in OctoberChina · 37 kmHigh 26.6°C · Low 22.0°C · 54 mm rain
- Jieyang in OctoberChina · 46 kmHigh 28.1°C · Low 20.0°C · 48 mm rain
- Puning in OctoberChina · 47 kmHigh 27.8°C · Low 20.1°C · 54 mm rain
- Chaozhou in OctoberChina · 51 kmHigh 27.9°C · Low 19.4°C · 53 mm rain
- Jiazi in OctoberChina · 65 kmHigh 26.9°C · Low 22.1°C · 55 mm rain
- Huanggang (Guangdong), China in OctoberChina · 67 kmHigh 27.6°C · Low 20.6°C · 45 mm rain
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 limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Haimen) is explained once on the Haimen year overview and on the Sources, method and limits page.