Porto Velho weather by month & the best time to visit
Brazil · city break · tropical — wet & dry seasons climate

The best time to visit Porto Velho is July — its sunniest month (Sunshine Score 87/100), with June close behind. Porto Velho averages about 2,063 hours of sunshine a year. Daytime highs around 31°C / 88°F and roughly 22 mm of rain in July.
When is the best time to visit Porto Velho?
For sunshine, the best time to visit Porto Velho is July, then June. The dullest month is October (57/100, 147 mm of rain). The full month-by-month picture is in the table below.
How sunny is Porto Velho?
Porto Velho gets a moderate 2,063 hours of sunshine a year. July (87/100) is noticeably better than October (57). It ranks #115 of 131 destinations in Brazil for annual sunshine, below the national median of 2,486 hours. Rain has a clear season: the wettest stretch, around January, carries about 44% of the annual 1,748 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 63 | 28° / 82°F | 23° / 73°F | 266 mm | 9 |
| February | 63 | 28° / 82°F | 23° / 73°F | 246 mm | 9 |
| March | 63 | 28° / 82°F | 23° / 73°F | 232 mm | 9 |
| April | 63 | 28° / 82°F | 23° / 73°F | 177 mm | 9 |
| May | 73 | 28° / 82°F | 23° / 73°F | 98 mm | 8 |
| June | 84 | 29° / 84°F | 22° / 72°F | 35 mm | 8 |
| July | 87 | 31° / 88°F | 22° / 72°F | 22 mm | 9 |
| August | 75 | 33° / 91°F | 22° / 72°F | 39 mm | 8 |
| September | 61 | 34° / 93°F | 24° / 75°F | 79 mm | 8 |
| October | 57 | 33° / 91°F | 24° / 75°F | 147 mm | 9 |
| November | 63 | 31° / 88°F | 24° / 75°F | 155 mm | 9 |
| December | 63 | 29° / 84°F | 23° / 73°F | 252 mm | 8 |
Nearest destinations
Head-to-head
How Porto Velho compares month by month: Porto Velho vs Manaus · Porto Velho vs Rio Branco · Porto Velho vs Puerto Maldonado · all comparisons
Porto Velho: questions and answers
What kind of destination is Porto Velho?
Porto Velho is a city break in Brazil with a tropical — wet & dry seasons climate.
How many hours of sunshine does Porto Velho get a year?
Porto Velho gets about 2,063 hours of sunshine a year, at its best around July.
When is the best time to visit Porto Velho?
The sunniest time to visit Porto Velho is July, when the Sunshine Score peaks at 87/100 (with June close behind). Expect daytime highs around 31°C / 88°F.
What is the least sunny month in Porto Velho?
October is the least sunny month in Porto Velho, scoring 57/100 with about 147 mm of rain.
How strong is the sun in Porto Velho?
The typical midday UV index in Porto Velho peaks around 9 (very high) in January, easing to about 8 (very high) in May. Month-by-month midday UV values are in the UV column of the table on this page.
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