Climate averages 1991–2020
Beihai weather
in May.
A hot, very wet month: the 5th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Beihai: daytime highs average 28.9°C and nights cool to about 25.2°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 197 mm of rain on roughly 17 days, which makes May a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 09 min on an average May day.
The nearest other city in this atlas is Hepu (21 km away). In May its highs average 29.8°C, 0.9°C warmer than Beihai, with 222 mm of rain.
Among the 884 cities listed in China, Beihai ranks joint 60th of 884 for the warmest May highs and joint 713th of 884 for the driest May (rainfall, lowest first). The mean May high of those 884 cities is 25.2°C; Beihai is 3.7°C warmer than that mean.
From May to June, average highs rise by 1.1°C to 30.0°C, and monthly rainfall rises from 197 mm to 399 mm.
The annual picture
May 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
Beihai climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.5°C13.6°C | 13.6°C | 53 | 8.9 | 11.011 h |
| February | 19.9°C15.2°C | 15.2°C | 43 | 7.9 | 11.411 h |
| March | 22.9°C18.1°C | 18.1°C | 63 | 10.1 | 12.012 h |
| April | 26.3°C22.1°C | 22.1°C | 79 | 10.0 | 12.613 h |
| May, selected | 28.9°C25.2°C | 25.2°C | 197 | 17.0 | 13.113 h |
| June | 30.0°C27.2°C | 27.2°C | 399 | 22.8 | 13.413 h |
| July | 30.2°C27.5°C | 27.5°C | 463 | 23.4 | 13.313 h |
| August | 30.0°C27.0°C | 27.0°C | 439 | 24.7 | 12.913 h |
| September | 29.5°C25.8°C | 25.8°C | 267 | 19.2 | 12.312 h |
| October | 27.7°C23.2°C | 23.2°C | 89 | 9.1 | 11.712 h |
| November | 24.4°C19.3°C | 19.3°C | 55 | 7.0 | 11.111 h |
| December | 20.1°C15.0°C | 15.0°C | 45 | 6.1 | 10.911 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
May in nearby cities
- Hepu in MayChina · 21 kmHigh 29.8°C · Low 24.3°C · 222 mm rain
- Xichang, China in MayChina · 24 kmHigh 29.1°C · Low 24.8°C · 195 mm rain
- Gongguan in MayChina · 61 kmHigh 30.1°C · Low 24.1°C · 204 mm rain
- Shankou in MayChina · 64 kmHigh 29.6°C · Low 24.6°C · 174 mm rain
- Baisha (Guangxi), China in MayChina · 64 kmHigh 30.0°C · Low 24.4°C · 202 mm rain
- Qinzhou in MayChina · 73 kmHigh 29.7°C · Low 23.7°C · 190 mm rain
- Fangchenggang in MayChina · 85 kmHigh 29.2°C · Low 24.0°C · 196 mm rain
- Móng Cái in MayVietnam · 119 kmHigh 28.1°C · Low 24.3°C · 209 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 Beihai) is explained once on the Beihai year overview and on the Sources, method and limits page.