Climate averages 1991–2020
Atlantis weather
in January.
A warm, very dry month: the 2nd warmest and one of the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Atlantis: daytime highs average 26.9°C and nights cool to about 16.1°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 9.8 mm of rain on roughly 2 days, which makes January a very dry month (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 14 h 06 min on an average January day.
The nearest other city in this atlas is Cape Town (40 km away). In January its highs average 25.6°C, 1.3°C cooler than Atlantis, with 15 mm of rain.
Among the 95 cities listed in South Africa, Atlantis ranks 42nd of 95 for the warmest January highs and 1st of 95 for the driest January (rainfall, lowest first). The mean January high of those 95 cities is 27.0°C; Atlantis is 0.1°C cooler than that mean.
From January to February, average highs rise by 0.3°C to 27.1°C, and monthly rainfall stays at 9.8 mm.
The annual picture
January 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
Atlantis climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 26.9°C16.1°C | 16.1°C | 9.8 | 2.2 | 14.114 h |
| February | 27.1°C16.3°C | 16.3°C | 9.8 | 1.9 | 13.313 h |
| March | 25.6°C15.0°C | 15.0°C | 11 | 2.2 | 12.312 h |
| April | 22.6°C12.5°C | 12.5°C | 31 | 4.2 | 11.311 h |
| May | 19.4°C10.3°C | 10.3°C | 47 | 6.5 | 10.410 h |
| June | 16.5°C7.9°C | 7.9°C | 76 | 9.4 | 10.010 h |
| July | 16.1°C7.1°C | 7.1°C | 69 | 8.2 | 10.210 h |
| August | 16.2°C7.5°C | 7.5°C | 59 | 8.4 | 10.911 h |
| September | 17.9°C9.0°C | 9.0°C | 36 | 6.3 | 11.912 h |
| October | 21.0°C11.2°C | 11.2°C | 23 | 4.1 | 12.913 h |
| November | 23.0°C12.8°C | 12.8°C | 21 | 4.0 | 13.814 h |
| December | 25.4°C14.9°C | 14.9°C | 12 | 2.9 | 14.314 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
January in nearby cities
- Cape Town in JanuarySouth Africa · 40 kmHigh 25.6°C · Low 17.5°C · 15 mm rain
- Paarl in JanuarySouth Africa · 49 kmHigh 30.9°C · Low 17.5°C · 21 mm rain
- Stellenbosch in JanuarySouth Africa · 54 kmHigh 28.7°C · Low 17.0°C · 21 mm rain
- Somerset West in JanuarySouth Africa · 65 kmHigh 27.2°C · Low 18.5°C · 21 mm rain
- Worcester, South Africa in JanuarySouth Africa · 90 kmHigh 30.9°C · Low 17.2°C · 24 mm rain
- Oudtshoorn in JanuarySouth Africa · 344 kmHigh 29.6°C · Low 15.8°C · 30 mm rain
- Mossel Bay in JanuarySouth Africa · 345 kmHigh 24.4°C · Low 17.9°C · 38 mm rain
- George in JanuarySouth Africa · 370 kmHigh 23.4°C · Low 16.5°C · 51 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 Atlantis) is explained once on the Atlantis year overview and on the Sources, method and limits page.