Manaus vs Porto Velho: which is sunnier?
🇧🇷 Brazil vs 🇧🇷 Brazil · 761 km apart · long-term climate normals (NASA POWER, 2001–2020)
Porto Velho is the sunnier overall: about 2,063 hours of sunshine a year to Manaus's 1,928. Month by month it's balanced: each has the higher Sunshine Score in 3 months, with 6 within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Manaus | Porto Velho | |
|---|---|---|
| Sunshine hours / year | 1,928 | 2,063 |
| Sunniest month | August (81/100) | July (87/100) |
| Nov–Feb average score | 63/100 | 63/100 |
| Jun–Aug average score | 75/100 | 82/100 |
| Rain / year | 1,959 mm | 1,748 mm |
| Peak midday UV | 9 (very high) | 9 (very high) |
Manaus vs Porto Velho month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Manaus | Porto Velho | Manaus | Porto Velho | Manaus | Porto Velho | |
| January | 62 | 63 | 28° | 28° | 224 | 266 |
| February | 62 | 63 | 28° | 28° | 236 | 246 |
| March | 62 | 63 | 28° | 28° | 268 | 232 |
| April | 62 | 63 | 28° | 28° | 262 | 177 |
| May | 62 | 73 | 28° | 28° | 205 | 98 |
| June | 68 | 84 | 28° | 29° | 119 | 35 |
| July | 76 | 87 | 29° | 31° | 76 | 22 |
| August | 81 | 75 | 30° | 33° | 50 | 39 |
| September | 77 | 61 | 32° | 34° | 68 | 79 |
| October | 71 | 57 | 32° | 33° | 103 | 147 |
| November | 65 | 63 | 31° | 31° | 135 | 155 |
| December | 62 | 63 | 29° | 29° | 213 | 252 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May Porto Velho · Jun Porto Velho · Jul Porto Velho · Aug Manaus · Sep Manaus · Oct Manaus · Nov even · Dec even.
When to pick which
- November–February: too close to call — Manaus averages 63/100, Porto Velho 63/100. Daytime highs are similar (29°C vs 29°C).
- March–May: Porto Velho (average score 66/100 vs 62). Daytime highs are similar (28°C vs 28°C).
- June–August: Porto Velho (average score 82/100 vs 75). Porto Velho is the warmer, around 31°C daytime highs vs 29°C.
- September–October: Manaus (average score 74/100 vs 59). Porto Velho is the warmer, around 34°C daytime highs vs 32°C.
Full month-by-month guides: Manaus weather by month · Porto Velho weather by month · Best time to visit Brazil.
More comparisons: Manaus vs Boa Vista · Manaus vs Santarém · Porto Velho vs Rio Branco · Porto Velho vs Puerto Maldonado · all head-to-heads