Boa Vista weather by month & the best time to visit
Brazil · city break · tropical — wet & dry seasons climate
The best time to visit Boa Vista is September — its sunniest month (Sunshine Score 77/100), with November and October close behind. Boa Vista averages about 2,322 hours of sunshine a year. Daytime highs around 32°C / 90°F and roughly 84 mm of rain in September.
When is the best time to visit Boa Vista?
For sunshine, the best time to visit Boa Vista is September, then November and October. The dullest month is March (51/100, 39 mm of rain). The full month-by-month picture is in the table below.
How sunny is Boa Vista?
Boa Vista gets a moderate 2,322 hours of sunshine a year. September (77/100) is noticeably better than March (51). It ranks #88 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 June, carries about 55% of the annual 1,471 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 61 | 35° / 95°F | 24° / 75°F | 28 mm | 10 |
| February | 52 | 36° / 97°F | 24° / 75°F | 27 mm | 10 |
| March | 51 | 36° / 97°F | 25° / 77°F | 39 mm | 10 |
| April | 55 | 34° / 93°F | 24° / 75°F | 127 mm | 10 |
| May | 65 | 31° / 88°F | 23° / 73°F | 278 mm | 9 |
| June | 65 | 30° / 86°F | 23° / 73°F | 281 mm | 9 |
| July | 65 | 30° / 86°F | 22° / 72°F | 253 mm | 9 |
| August | 65 | 30° / 86°F | 23° / 73°F | 178 mm | 10 |
| September | 77 | 32° / 90°F | 23° / 73°F | 84 mm | 11 |
| October | 72 | 33° / 91°F | 24° / 75°F | 68 mm | 10 |
| November | 74 | 33° / 91°F | 24° / 75°F | 56 mm | 10 |
| December | 66 | 34° / 93°F | 24° / 75°F | 52 mm | 9 |
Nearest destinations
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Head-to-head
How Boa Vista compares month by month: Boa Vista vs Manaus · Boa Vista vs Georgetown · Boa Vista vs Port of Spain · all comparisons
Boa Vista: questions and answers
What kind of destination is Boa Vista?
Boa Vista is a city break in Brazil with a tropical — wet & dry seasons climate.
How many hours of sunshine does Boa Vista get a year?
Boa Vista gets about 2,322 hours of sunshine a year, at its best around September.
When is the best time to visit Boa Vista?
The sunniest time to visit Boa Vista is September, when the Sunshine Score peaks at 77/100 (with November and October close behind). Expect daytime highs around 32°C / 90°F.
What is the least sunny month in Boa Vista?
March is the least sunny month in Boa Vista, scoring 51/100 with about 39 mm of rain.
How strong is the sun in Boa Vista?
The typical midday UV index in Boa Vista peaks around 11 (extreme) in September, easing to about 9 (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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