Click on a day for an hourly weather forecast
The temperatures in Hayward in December are quite cold with temperatures between 7°C and 15°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Hayward 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 Hayward in December 2024.
If you’re planning to visit Hayward in the near future, we highly recommend that you review the 14 day weather forecast for Hayward before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 16° / 7° | 4 | 27 | 0 | 36 mm | Good | Hayward in January |
| February | 17° / 7° | 3 | 25 | 0 | 36 mm | Good | Hayward in February |
| March | 18° / 7° | 3 | 28 | 0 | 39 mm | Good | Hayward in March |
| April | 20° / 8° | 2 | 28 | 0 | 17 mm | Good | Hayward in April |
| May | 22° / 10° | 1 | 30 | 0 | 8 mm | Good | Hayward in May |
| June | 26° / 13° | 1 | 29 | 0 | 4 mm | Perfect | Hayward in June |
| July | 28° / 14° | 0 | 31 | 0 | 1 mm | Perfect | Hayward in July |
| August | 28° / 15° | 0 | 31 | 0 | 1 mm | Perfect | Hayward in August |
| September | 28° / 15° | 0 | 30 | 0 | 3 mm | Perfect | Hayward in September |
| October | 24° / 13° | 1 | 30 | 0 | 16 mm | Perfect | Hayward in October |
| November | 19° / 10° | 2 | 28 | 0 | 23 mm | Good | Hayward in November |
| December | 15° / 7° | 4 | 27 | 0 | 34 mm | Good | Hayward in December |