Parnaíba weather by month & the best time to visit
Brazil · beach resort · tropical — wet & dry seasons climate
The best time to visit Parnaíba is June — its sunniest month (Sunshine Score 86/100), with July close behind. Parnaíba averages about 2,984 hours of sunshine a year. Daytime highs around 31°C / 88°F and roughly 56 mm of rain in June.
When is the best time to visit Parnaíba?
For sunshine, the best time to visit Parnaíba is June, then July. The dullest month is August (67/100, 7 mm of rain). The full month-by-month picture is in the table below.
How sunny is Parnaíba?
Parnaíba gets a lot of sun: around 2,984 hours a year. June (86/100) is noticeably better than August (67). It ranks #12 of 131 destinations in Brazil for annual sunshine, above the national median of 2,486 hours. Rain is strongly seasonal here: roughly 61% of the year's 1,103 mm falls in the three months around March.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 70 | 31° / 88°F | 24° / 75°F | 146 mm | 11 | 30° / 86°F |
| February | 69 | 30° / 86°F | 24° / 75°F | 198 mm | 11 | 30° / 86°F |
| March | 69 | 29° / 84°F | 24° / 75°F | 240 mm | 11 | 30° / 86°F |
| April | 69 | 29° / 84°F | 24° / 75°F | 240 mm | 10 | 31° / 88°F |
| May | 72 | 30° / 86°F | 24° / 75°F | 134 mm | 10 | 30° / 86°F |
| June | 86 | 31° / 88°F | 23° / 73°F | 56 mm | 10 | 30° / 86°F |
| July | 81 | 33° / 91°F | 23° / 73°F | 37 mm | 10 | 29° / 84°F |
| August | 67 | 35° / 95°F | 23° / 73°F | 7 mm | 11 | 28° / 82°F |
| September | 67 | 35° / 95°F | 23° / 73°F | 4 mm | 12 | 28° / 82°F |
| October | 67 | 35° / 95°F | 24° / 75°F | 5 mm | 12 | 28° / 82°F |
| November | 67 | 35° / 95°F | 24° / 75°F | 7 mm | 12 | 28° / 82°F |
| December | 73 | 34° / 93°F | 24° / 75°F | 29 mm | 11 | 29° / 84°F |
Sea temperature in Parnaíba by month
The sea off Parnaíba is warmest in April at around 31°C / 88°F, and coolest in August at 28°C / 82°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Parnaíba: questions and answers
What kind of destination is Parnaíba?
Parnaíba is a beach resort in Brazil with a tropical — wet & dry seasons climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Parnaíba get a year?
Parnaíba gets about 2,984 hours of sunshine a year, at its best around June.
When is the best time to visit Parnaíba?
The sunniest time to visit Parnaíba is June, when the Sunshine Score peaks at 86/100 (with July close behind). Expect daytime highs around 31°C / 88°F.
What is the least sunny month in Parnaíba?
August is the least sunny month in Parnaíba, scoring 67/100 with about 7 mm of rain.
What is the sea temperature in Parnaíba?
The sea in Parnaíba ranges from about 28°C (August) to 31°C (April). Month-by-month sea temperatures are on this page.
How strong is the sun in Parnaíba?
The typical midday UV index in Parnaíba peaks around 12 (extreme) in September, easing to about 10 (very high) in April. Month-by-month midday UV values are in the UV column of the table on this page.
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