Riverside in December
7.6out of 10
Yes, a good time to go
Mild: highs around 17°C. Some rain: about 6 rainy days.
17°CAvg high
6°CAvg low
6Rainy days (67 mm)
9:45 hDaylight
06:53Sunrise · 16:38 Sunset
Why this score
- Mild: highs around 17°C
- Some rain: about 6 rainy days
What to wear and pack
- Layers you can add or remove
- Comfortable walking shoes
How reliable is the forecast?
Rain in December varies a lot between years (±3.2 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 18°C | 6°C | 95 mm | 7 | – | – | 7.4 |
| February | 18°C | 7°C | 111 mm | 8 | – | – | 7.3 |
| March | 20°C | 8°C | 68 mm | 7 | – | – | 7.8 |
| April | 23°C | 10°C | 32 mm | 5 | – | – | 8.4 |
| May | 25°C | 13°C | 15 mm | 3 | – | – | 8.7 |
| June | 29°C | 16°C | 3 mm | 1 | – | – | 9.0 |
| July | 32°C | 19°C | 2 mm | 1 | – | – | 8.1 |
| August | 33°C | 19°C | 1 mm | 0 | – | – | 7.9 |
| September | 31°C | 17°C | 6 mm | 1 | – | – | 8.2 |
| October | 27°C | 13°C | 22 mm | 3 | – | – | 8.7 |
| November | 22°C | 9°C | 30 mm | 4 | – | – | 8.5 |
| December | 17°C | 6°C | 67 mm | 6 | – | – | 7.6 |
Frequently asked questions
How hot is Riverside in December?
Daytime highs average 17°C and nights about 6°C.
When is the best time to visit Riverside?
The best months are June, May, October, November.