Climate averages 1991–2020
Mossel Bay weather
in May.
A mild, moderately wet month: the 7th warmest and the 7th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Mossel Bay: daytime highs average 20.8°C and nights cool to about 12.8°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 40 mm of rain on roughly 6 days, which makes May a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 22 min on an average May day.
The nearest other city in this atlas is George (38 km away). In May its highs average 19.5°C, 1.3°C cooler than Mossel Bay, with 45 mm of rain.
Among the 95 cities listed in South Africa, Mossel Bay ranks joint 45th of 95 for the warmest May highs and 84th of 95 for the driest May (rainfall, lowest first). The mean May high of those 95 cities is 21.0°C; Mossel Bay is 0.1°C cooler than that mean.
From May to June, average highs fall by 1.9°C to 19.0°C, and monthly rainfall falls from 40 mm to 37 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
Mossel Bay climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.4°C17.9°C | 17.9°C | 38 | 7.5 | 14.114 h |
| February | 24.6°C18.2°C | 18.2°C | 30 | 6.8 | 13.313 h |
| March | 23.7°C17.1°C | 17.1°C | 41 | 7.4 | 12.312 h |
| April | 22.1°C14.8°C | 14.8°C | 43 | 6.7 | 11.311 h |
| May, selected | 20.8°C12.8°C | 12.8°C | 40 | 6.2 | 10.410 h |
| June | 19.0°C10.3°C | 10.3°C | 37 | 6.9 | 9.910 h |
| July | 18.4°C9.5°C | 9.5°C | 38 | 7.2 | 10.110 h |
| August | 18.5°C9.9°C | 9.9°C | 47 | 7.6 | 10.911 h |
| September | 19.3°C11.2°C | 11.2°C | 33 | 6.5 | 11.912 h |
| October | 20.5°C13.2°C | 13.2°C | 43 | 7.4 | 12.913 h |
| November | 21.5°C14.7°C | 14.7°C | 52 | 7.7 | 13.914 h |
| December | 23.4°C16.8°C | 16.8°C | 35 | 6.8 | 14.414 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
- George in MaySouth Africa · 38 kmHigh 19.5°C · Low 11.8°C · 45 mm rain
- Oudtshoorn in MaySouth Africa · 65 kmHigh 22.2°C · Low 9.1°C · 25 mm rain
- Worcester, South Africa in MaySouth Africa · 256 kmHigh 21.3°C · Low 12.2°C · 39 mm rain
- Paarl in MaySouth Africa · 297 kmHigh 21.4°C · Low 11.1°C · 98 mm rain
- Stellenbosch in MaySouth Africa · 303 kmHigh 20.6°C · Low 11.4°C · 90 mm rain
- Kariega in MaySouth Africa · 304 kmHigh 22.6°C · Low 12.4°C · 23 mm rain
- Somerset West in MaySouth Africa · 306 kmHigh 20.4°C · Low 13.2°C · 90 mm rain
- Motherwell in MaySouth Africa · 320 kmHigh 22.3°C · Low 12.6°C · 23 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 Mossel Bay) is explained once on the Mossel Bay year overview and on the Sources, method and limits page.