Northern Chile (Atacama Desert) works in any month. Every month of the year rates go on daytime heat and rainfall, so timing is down to crowds and price rather than weather.
Driest desert on earth; go anytime
| Month | High °C | High °F | Rainy days | Verdict |
|---|---|---|---|---|
| January | 26.6 | 80 | 3% | Go |
| February | 26.1 | 79 | 4% | Go |
| March | 25.5 | 78 | 2% | Go |
| April | 23.4 | 74 | 1% | Go |
| May | 20.3 | 69 | 1% | Go |
| June | 18.6 | 65 | 1% | Go |
| July | 18.3 | 65 | 1% | Go |
| August | 20.2 | 68 | 1% | Go |
| September | 22.0 | 72 | 0% | Go |
| October | 24.1 | 75 | 0% | Go |
| November | 25.6 | 78 | 1% | Go |
| December | 26.4 | 80 | 2% | Go |
Verdict combines mean daytime high with rainy-day frequency. “Rainy days” is the share of days in the month with at least 1 mm of rain.
September is the driest month, with rain on 0% of days and daytime highs near 22.0°C (72°F). February is the wettest, at 4%. The warmest month is January at 26.6°C (80°F); the coolest is July at 18.3°C (65°F).