Bonaventure weather by month & the best time to visit
Canada · seaside town · continental climate

The best time to visit Bonaventure is August — its sunniest month (Sunshine Score 75/100), with July close behind. Bonaventure averages about 1,929 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 83 mm of rain in August.
When is the best time to visit Bonaventure?
For sunshine, the best time to visit Bonaventure is August, then July. The dullest month is January (0/100, 69 mm of rain). The full month-by-month picture is in the table below.
How sunny is Bonaventure?
Bonaventure gets a moderate 1,929 hours of sunshine a year. 75 Sunshine Score points separate August (75) from January (0), so the month you pick matters. It ranks #158 of 242 destinations in Canada for annual sunshine, below the national median of 2,024 hours. The year's 1,043 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | -7° / 19°F | -14° / 7°F | 69 mm | 0 | 1° / 34°F |
| February | 0 | -6° / 21°F | -14° / 7°F | 69 mm | 1 | -1° / 30°F |
| March | 0 | -1° / 30°F | -9° / 16°F | 75 mm | 2 | -1° / 30°F |
| April | 0 | 5° / 41°F | -2° / 28°F | 81 mm | 3 | 2° / 36°F |
| May | 31 | 13° / 55°F | 4° / 39°F | 91 mm | 5 | 8° / 46°F |
| June | 61 | 18° / 64°F | 10° / 50°F | 93 mm | 5 | 15° / 59°F |
| July | 73 | 22° / 72°F | 15° / 59°F | 91 mm | 5 | 20° / 68°F |
| August | 75 | 22° / 72°F | 14° / 57°F | 83 mm | 5 | 20° / 68°F |
| September | 61 | 18° / 64°F | 10° / 50°F | 90 mm | 4 | 17° / 63°F |
| October | 18 | 11° / 52°F | 4° / 39°F | 105 mm | 2 | 12° / 54°F |
| November | 0 | 3° / 37°F | -2° / 28°F | 97 mm | 1 | 6° / 43°F |
| December | 0 | -3° / 27°F | -9° / 16°F | 99 mm | 0 | 2° / 36°F |
Sea temperature in Bonaventure by month
The sea off Bonaventure is warmest in July at around 20°C / 68°F, and coolest in February at -1°C / 30°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Bonaventure: questions and answers
What kind of destination is Bonaventure?
Bonaventure is a seaside town in Canada with a continental climate — the sea reaches 20°C at its warmest.
How many hours of sunshine does Bonaventure get a year?
Bonaventure gets about 1,929 hours of sunshine a year, at its best around August.
When is the best time to visit Bonaventure?
The sunniest time to visit Bonaventure is August, when the Sunshine Score peaks at 75/100 (with July close behind). Expect daytime highs around 22°C / 72°F.
What is the least sunny month in Bonaventure?
January is the least sunny month in Bonaventure, scoring 0/100 with about 69 mm of rain.
What is the sea temperature in Bonaventure?
The sea in Bonaventure ranges from about -1°C (February) to 20°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in Bonaventure?
The typical midday UV index in Bonaventure peaks around 5 (moderate) in May, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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