Climate averages 1991–2020
Huilong weather
in October.
A mild, moderately wet month: the 6th warmest and the joint 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Huilong: daytime highs average 21.4°C and nights cool to about 17.1°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 63 mm of rain on roughly 6 days, which makes October a moderately wet month (the joint 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 25 min on an average October day.
The nearest other city in this atlas is Chongming (22 km away). In October its highs average 21.4°C, about as warm as Huilong, with 65 mm of rain.
Among the 884 cities listed in China, Huilong ranks joint 419th of 884 for the warmest October highs and joint 592nd of 884 for the driest October (rainfall, lowest first). The mean October high of those 884 cities is 20.4°C; Huilong is 1.0°C warmer than that mean.
From October to November, average highs fall by 5.2°C to 16.2°C, and monthly rainfall rises from 63 mm to 65 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
Huilong climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.4°C2.6°C | 2.6°C | 63 | 8.5 | 10.310 h |
| February | 8.5°C3.4°C | 3.4°C | 66 | 8.7 | 11.011 h |
| March | 12.1°C6.4°C | 6.4°C | 97 | 10.9 | 12.012 h |
| April | 17.2°C11.2°C | 11.2°C | 102 | 10.0 | 12.913 h |
| May | 22.2°C16.6°C | 16.6°C | 116 | 9.5 | 13.814 h |
| June | 25.4°C20.9°C | 20.9°C | 241 | 12.3 | 14.214 h |
| July | 29.3°C25.3°C | 25.3°C | 159 | 12.2 | 14.014 h |
| August | 29.3°C25.7°C | 25.7°C | 153 | 12.9 | 13.313 h |
| September | 25.9°C22.2°C | 22.2°C | 109 | 9.9 | 12.412 h |
| October, selected | 21.4°C17.1°C | 17.1°C | 63 | 5.9 | 11.411 h |
| November | 16.2°C11.4°C | 11.4°C | 65 | 7.7 | 10.611 h |
| December | 10.1°C5.2°C | 5.2°C | 48 | 6.8 | 10.110 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
- Chongming in OctoberChina · 22 kmHigh 21.4°C · Low 17.4°C · 65 mm rain
- Chengqiao in OctoberChina · 32 kmHigh 21.9°C · Low 16.1°C · 56 mm rain
- Baoshan in OctoberChina · 47 kmHigh 22.0°C · Low 15.9°C · 57 mm rain
- Yanghang in OctoberChina · 53 kmHigh 22.1°C · Low 15.9°C · 61 mm rain
- Luodian in OctoberChina · 53 kmHigh 22.3°C · Low 15.7°C · 55 mm rain
- Jiading in OctoberChina · 61 kmHigh 22.4°C · Low 15.4°C · 55 mm rain
- Yangpu in OctoberChina · 62 kmHigh 22.1°C · Low 16.0°C · 61 mm rain
- Jinsha in OctoberChina · 63 kmHigh 22.0°C · Low 15.0°C · 53 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 Huilong) is explained once on the Huilong year overview and on the Sources, method and limits page.