Grahamstown
December
Weather in Grahamstown for December 2025
Your guide to Grahamstown weather in December - trends and predictions
Until now, December 2025 in Grahamstown has been nearly identical to the historical average, with a temperature of 20.1 °C (showing only a slight deviation of -0.5 °C).
The forecast for the coming days of December 2025 predicts a temperature of 25.3 °C , which is warmer than usual.
In general, the average temperature in Grahamstown at the beginning of December is 20.6 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 20.7 °C by the end of December.
Grahamstown experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 23 mm.
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Temperatures
Rain 🌧️
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22
Dry days
9
Rainy days
0
Snow days
21°/18°
Temperatures
33 km/h
Avg max wind
78 %
Avg humidity
Grahamstown Weather December
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Temperatures trend during December in Grahamstown
See the weather trend as well as the moving average line
December weather in Grahamstown day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Overcast | 22° /17° | 0.1 mm | 8 | |
| 2 Dec. |  Patchy rain possible | 20° /17° | 1 mm | 8 | |
| 3 Dec. | Patchy rain possible | 20° /17° | 0.7 mm | 8 | |
| 4 Dec. | Overcast | 20° /16° | 0.1 mm | 8 | |
| 5 Dec. | Patchy rain possible | 21° /17° | 0.5 mm | 8 | |
| 6 Dec. | Patchy rain possible | 20° /17° | 0.5 mm | 7 | |
| 7 Dec. |  Sunny | 21° /17° | 0.1 mm | 9 | |
| 8 Dec. | Patchy rain possible | 21° /18° | 0.2 mm | 8 | |
| 9 Dec. | Light rain shower | 20° /17° | 2.7 mm | 8 | |
| 10 Dec. | Patchy rain possible | 20° /17° | 0.1 mm | 8 | |
| 11 Dec. | Patchy rain possible | 22° /17° | 0.3 mm | 8 | |
| 12 Dec. | Patchy rain possible | 21° /18° | 0.9 mm | 8 | |
| 13 Dec. | Patchy rain possible | 20° /17° | 0.9 mm | 7 | |
| 14 Dec. | Patchy rain possible | 20° /17° | 0.9 mm | 8 | |
| 15 Dec. | Sunny | 36° /15° | 0 mm | 3.5 | |
| 16 Dec. |  Moderate rain | 35° /18° | 17.1 mm | 2.5 | |
| 17 Dec. | Patchy rain possible | 22° /15° | 1.8 mm | 1.4 | |
| 18 Dec. |  Partly cloudy | 21° /13° | 0.1 mm | 2.1 | |
| 19 Dec. | Sunny | 28° /11° | 0 mm | 5 | |
| 20 Dec. | Sunny | 28° /13° | 0 mm | 8 | |
| 21 Dec. | Patchy rain possible | 26° /17° | 0.5 mm | 8 | |
| 22 Dec. | Sunny | 34° /17° | 0 mm | 9 | |
| 23 Dec. | Patchy rain possible | 27° /16° | 0.2 mm | 8 | |
| 24 Dec. | Overcast | 22° /15° | 0 mm | 7 | |
| 25 Dec. | Patchy rain possible | 16° /14° | 1.7 mm | 7 | |
| 26 Dec. | Patchy rain possible | 22° /14° | 0.1 mm | 7 | |
| 27 Dec. | Patchy rain possible | 20° /17° | 1.2 mm | 7 | |
| 28 Dec. | Patchy rain possible | 17° /16° | 2.8 mm | 7 | |
| 29 Dec. | Partly cloudy | 23° /20° | 0.2 mm | 9 | |
| 30 Dec. |  Patchy light drizzle | 24° /21° | 0.6 mm | 9 | |
| 31 Dec. | Patchy light drizzle | 23° /19° | 1.4 mm | 8 | |
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Important Notice
Our weather forecast for Grahamstown in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grahamstown forecast closer to your planned date for the most up-to-date weather information.
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Grahamstown in December - FAQ
What are the expected maximum and minimum temperatures in Grahamstown during December?
During December, expect a variety of temperatures with highs around 21° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Grahamstown during December?
In December, Grahamstown can expect light to moderate rainfall, totaling 23 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Grahamstown during December?
The average wind speed in Grahamstown during December is 33 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Grahamstown
Explore the daily rainfall trends and prepare for Grahamstowns December weather 💧
Typically, Grahamstown has 9 rainy days in December with a total of 23 mm of rainfall.
UV exposure in Grahamstown during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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