San Luis in May
8.0out of 10
Yes, a good time to go
Mild: highs around 18°C. Some rain: about 4 rainy days.
18°CAvg high
8°CAvg low
4Rainy days (25 mm)
10:17 hDaylight
08:13Sunrise · 18:30 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 May is fairly consistent from year to year (2.1 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 | 29°C | 18°C | 107 mm | 13 | – | – | 7.0 |
| February | 28°C | 17°C | 82 mm | 11 | – | – | 7.6 |
| March | 26°C | 15°C | 80 mm | 10 | – | – | 7.8 |
| April | 22°C | 11°C | 53 mm | 7 | – | – | 8.2 |
| May | 18°C | 8°C | 25 mm | 4 | – | – | 8.0 |
| June | 16°C | 5°C | 8 mm | 2 | – | – | 7.9 |
| July | 16°C | 4°C | 9 mm | 2 | – | – | 7.8 |
| August | 19°C | 6°C | 15 mm | 3 | – | – | 8.2 |
| September | 21°C | 9°C | 29 mm | 4 | – | – | 8.4 |
| October | 24°C | 12°C | 66 mm | 9 | – | – | 7.9 |
| November | 27°C | 14°C | 90 mm | 12 | – | – | 7.5 |
| December | 29°C | 17°C | 101 mm | 13 | – | – | 7.2 |
Frequently asked questions
How hot is San Luis in May?
Daytime highs average 18°C and nights about 8°C.
When is the best time to visit San Luis?
The best months are September, April, August, May.