Click on a day for an hourly weather forecast
The temperatures in Riverside in December are quite cold with temperatures between 5°C and 17°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Riverside during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Riverside in December 2024.
If you’re planning to visit Riverside in the near future, we highly recommend that you review the 14 day weather forecast for Riverside before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 18° / 6° | 3 | 28 | 0 | 44 mm | Good | Riverside in January |
| February | 18° / 6° | 2 | 26 | 0 | 52 mm | Good | Riverside in February |
| March | 20° / 7° | 2 | 29 | 0 | 30 mm | Good | Riverside in March |
| April | 23° / 8° | 1 | 29 | 0 | 19 mm | Perfect | Riverside in April |
| May | 25° / 10° | 1 | 30 | 0 | 10 mm | Perfect | Riverside in May |
| June | 29° / 13° | 0 | 30 | 0 | 3 mm | Good | Riverside in June |
| July | 32° / 17° | 2 | 29 | 0 | 27 mm | Good | Riverside in July |
| August | 33° / 17° | 1 | 30 | 0 | 19 mm | Good | Riverside in August |
| September | 31° / 16° | 0 | 30 | 0 | 11 mm | Good | Riverside in September |
| October | 27° / 12° | 1 | 30 | 0 | 13 mm | Perfect | Riverside in October |
| November | 22° / 9° | 1 | 29 | 0 | 21 mm | Good | Riverside in November |
| December | 17° / 5° | 3 | 28 | 0 | 61 mm | Good | Riverside in December |