Osa in August
7.3out of 10
Possible, with caveats
Mild: highs around 20°C. Frequent rain: about 11 rainy days.
20°CAvg high
11°CAvg low
11Rainy days (64 mm)
15:00 hDaylight
05:52Sunrise · 20:52 Sunset
Why this score
- Mild: highs around 20°C
- Frequent rain: about 11 rainy days
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in August varies a lot between years (±3.8 rainy days), so check the forecast closer to your trip. 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 | -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
How hot is Osa in August?
Daytime highs average 20°C and nights about 11°C.
When is the best time to visit Osa?
The best months are July, June, August.