Best Time to Visit Osa: Month-by-Month Guide
Best months for Osa: July, June, August.
- Best months for Osa: July, June, August.
- Peak season is July, June, August. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Wettest months: October, June, September.
- The least pleasant month is November (score 3.5).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -10°C | -16°C | 39 mm | 11 | – | – | 3.6 |
| February | -8°C | -15°C | 33 mm | 9 | – | – | 3.9 |
| March | -1°C | -9°C | 38 mm | 9 | – | – | 3.8 |
| April | 8°C | -1°C | 39 mm | 8 | – | – | 5.5 |
| May | 17°C | 5°C | 51 mm | 10 | – | – | 6.9 |
| June | 21°C | 11°C | 68 mm | 12 | – | – | 7.4 |
| July | 23°C | 13°C | 63 mm | 11 | – | – | 7.6 |
| August | 20°C | 11°C | 64 mm | 11 | – | – | 7.3 |
| September | 14°C | 6°C | 62 mm | 12 | – | – | 6.3 |
| October | 6°C | 1°C | 64 mm | 13 | – | – | 4.7 |
| November | -3°C | -7°C | 52 mm | 12 | – | – | 3.5 |
| December | -8°C | -13°C | 43 mm | 11 | – | – | 3.6 |
Frequently asked questions
When is the best time to visit Osa?
The best months are July, June, August.
When is the rainy season in Osa?
The wettest months are October, June, September.