Climate averages 1991–2020
Ermelo weather
in January.
A warm, wet month: the joint 2nd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Ermelo: daytime highs average 23.3°C and nights cool to about 13.8°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 143 mm of rain on roughly 17 days, which makes January a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 36 min on an average January day.
The nearest other city in this atlas is Bethal (52 km away). In January its highs average 24.1°C, 0.8°C warmer than Ermelo, with 132 mm of rain.
Among the 95 cities listed in South Africa, Ermelo ranks 95th of 95 for the warmest January highs and joint 87th of 95 for the driest January (rainfall, lowest first). The mean January high of those 95 cities is 27.0°C; Ermelo is 3.7°C cooler than that mean.
From January to February, average highs rise by 0.1°C to 23.3°C, and monthly rainfall falls from 143 mm to 102 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
Ermelo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 23.3°C13.8°C | 13.8°C | 143 | 16.9 | 13.614 h |
| February | 23.3°C13.7°C | 13.7°C | 102 | 12.4 | 13.013 h |
| March | 22.4°C12.4°C | 12.4°C | 90 | 11.3 | 12.312 h |
| April | 20.4°C9.7°C | 9.7°C | 45 | 7.0 | 11.511 h |
| May | 18.5°C6.3°C | 6.3°C | 15 | 2.7 | 10.811 h |
| June | 16.3°C3.3°C | 3.3°C | 6.8 | 1.3 | 10.511 h |
| July | 16.4°C2.8°C | 2.8°C | 6.5 | 0.8 | 10.611 h |
| August | 19.5°C5.5°C | 5.5°C | 14 | 2.5 | 11.211 h |
| September | 23.2°C8.8°C | 8.8°C | 26 | 4.5 | 11.912 h |
| October | 23.4°C10.7°C | 10.7°C | 96 | 12.6 | 12.713 h |
| November | 22.9°C11.9°C | 11.9°C | 128 | 15.5 | 13.413 h |
| December | 23.3°C13.4°C | 13.4°C | 163 | 18.1 | 13.814 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
- Bethal in JanuarySouth Africa · 52 kmHigh 24.1°C · Low 14.1°C · 132 mm rain
- Standerton in JanuarySouth Africa · 86 kmHigh 24.9°C · Low 14.6°C · 124 mm rain
- eMbalenhle in JanuarySouth Africa · 91 kmHigh 24.9°C · Low 14.7°C · 139 mm rain
- Piet Retief in JanuarySouth Africa · 98 kmHigh 24.8°C · Low 15.5°C · 144 mm rain
- Middelburg in JanuarySouth Africa · 99 kmHigh 25.5°C · Low 15.4°C · 122 mm rain
- Emalahleni in JanuarySouth Africa · 105 kmHigh 24.7°C · Low 14.6°C · 124 mm rain
- Mbabane in JanuaryEswatini · 117 kmHigh 24.4°C · Low 16.2°C · 216 mm rain
- Newcastle, South Africa in JanuarySouth Africa · 136 kmHigh 26.1°C · Low 15.6°C · 141 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 Ermelo) is explained once on the Ermelo year overview and on the Sources, method and limits page.