Mountain View in December
6.6out of 10
Possible, with caveats
Cool: highs only around 14°C. Frequent rain: about 9 rainy days.
14°CAvg high
6°CAvg low
9Rainy days (83 mm)
9:26 hDaylight
07:21Sunrise · 16:48 Sunset
Why this score
- Cool: highs only around 14°C
- Frequent rain: about 9 rainy days
- Rain varies a lot between years (±4.6 days)
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in December varies a lot between years (±4.6 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 | 14°C | 6°C | 91 mm | 9 | – | – | 6.6 |
| February | 16°C | 7°C | 96 mm | 9 | – | – | 6.8 |
| March | 17°C | 8°C | 74 mm | 9 | – | – | 7.2 |
| April | 19°C | 9°C | 40 mm | 6 | – | – | 7.9 |
| May | 22°C | 11°C | 20 mm | 4 | – | – | 8.6 |
| June | 25°C | 13°C | 4 mm | 1 | – | – | 9.0 |
| July | 27°C | 15°C | 1 mm | 0 | – | – | 9.1 |
| August | 27°C | 15°C | 1 mm | 0 | – | – | 9.1 |
| September | 27°C | 15°C | 2 mm | 0 | – | – | 9.1 |
| October | 24°C | 12°C | 23 mm | 3 | – | – | 8.7 |
| November | 18°C | 9°C | 43 mm | 6 | – | – | 7.7 |
| December | 14°C | 6°C | 83 mm | 9 | – | – | 6.6 |
Frequently asked questions
How hot is Mountain View in December?
Daytime highs average 14°C and nights about 6°C.
When is the best time to visit Mountain View?
The best months are July, August, September, June.