Fallbrook Weather in December
Fallbrook in December
The short of it: Fallbrook in December averages a high of 20 °C (69 °F) and a low of 6 °C (43 °F), with 52 mm (2.0 in) of rain and about 9 h 57 min of daylight. Rated 4 of 5 for a visit; the best months are April and May. Source: TerraClimate climate normals, 1991–2020.
Average high 69° · low 43° · rain 2.0 in. · daylight 9 h 57 min
✦✦✦✦ Recommended for a visit · best months: April & May
Thirty years of records give Fallbrook an average December high of 69°, a low of 43° and some 2.0 in. of rain. Much like November: highs about 69°, nights near 43°. Easy travelling weather. Rain is modest, about 2.0 in., the 2nd wettest month.
The sun is up for about 9 h 57 min in mid-December, 26 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening. The Almanac rates December 4 of 5 for a visit; the finest months here are April and May.
Against its neighbours, Fallbrook runs warmer than most and about as wet in December. Temecula, 10 mi to the NE, is 2° cooler by day.
December in Fallbrook, by the numbers
- Warmth rank
- 10th warmest of 12
- Rain rank
- 2nd wettest of 12
- Versus November
- 7° colder, 0.9 in. more rain
- Versus January
- about the same
- Day–night spread
- 26°
- Snow season
- seldom any
- Daylight, mid-month
- 9 h 57 min
- Average wind
- 5 mph
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| TemeculaCalifornia | 10 mi NE | 67° | 40° | 2.2 in. |
| VistaCalifornia | 12 mi S | 68° | 44° | 2.0 in. |
| MurrietaCalifornia | 12 mi N | 67° | 40° | 2.1 in. |
| OceansideCalifornia | 15 mi SSW | 66° | 46° | 1.8 in. |
| CarlsbadCalifornia | 16 mi SSW | 67° | 47° | 1.8 in. |
| San MarcosCalifornia | 17 mi SSE | 68° | 43° | 2.2 in. |
| EscondidoCalifornia | 20 mi SSE | 68° | 43° | 2.2 in. |
| Lake ElsinoreCalifornia | 21 mi NNW | 67° | 40° | 2.1 in. |