Tucson in December
7.9out of 10
Yes, a good time to go
Mild: highs around 18°C. Some rain: about 4 rainy days.
18°CAvg high
5°CAvg low
4Rainy days (31 mm)
9:54 hDaylight
07:23Sunrise · 17:17 Sunset
Why this score
- Mild: highs around 18°C
- Some rain: about 4 rainy days
What to wear and pack
- Layers you can add or remove
- Comfortable walking shoes
How reliable is the forecast?
Rainfall in December is fairly consistent from year to year (2.5 days). 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 | 5°C | 29 mm | 4 | – | – | 8.0 |
| February | 20°C | 7°C | 27 mm | 4 | – | – | 8.2 |
| March | 24°C | 9°C | 17 mm | 3 | – | – | 8.7 |
| April | 28°C | 12°C | 6 mm | 1 | – | – | 8.9 |
| May | 32°C | 17°C | 3 mm | 1 | – | – | 8.0 |
| June | 37°C | 22°C | 5 mm | 1 | – | – | 6.6 |
| July | 37°C | 25°C | 32 mm | 7 | – | – | 5.9 |
| August | 36°C | 24°C | 33 mm | 8 | – | – | 6.1 |
| September | 34°C | 22°C | 25 mm | 4 | – | – | 7.1 |
| October | 29°C | 15°C | 14 mm | 2 | – | – | 8.7 |
| November | 23°C | 9°C | 16 mm | 2 | – | – | 8.8 |
| December | 18°C | 5°C | 31 mm | 4 | – | – | 7.9 |
Frequently asked questions
How hot is Tucson in December?
Daytime highs average 18°C and nights about 5°C.
When is the best time to visit Tucson?
The best months are April, November, March, October.