Williams Harbour weather by month & the best time to visit
🇨🇦 Canada · seaside town · subarctic climate
Williams Harbour is short on reliable sunshine. Its best month is July (Score 42/100) — for stronger sun, try one of the nearby alternatives below.
Jump to: month-by-month table · sea temperature · nearby alternatives · embed this data
- Sun hours / year
- 1,603
- Sunniest month
- July
- Peak score
- 42/100
- Rain / year
- 1,067 mm
- Snow / year
- ≈5.1 m
- Midday UV at peak
- 5 (moderate)
- Sea at warmest
- 12°C / 54°F
- Elevation
- 17 m
When is the best time to visit Williams Harbour?
Williams Harbour never gets truly sunny weather: July is as good as it gets at 42/100, and January is the low point (0/100). If sunshine is the point of the trip, the nearby alternatives below do better.
How sunny is Williams Harbour?
Williams Harbour isn't a sunny place by world standards: about 1,603 hours of sunshine a year. July (42/100) is noticeably better than January (0). It ranks #221 of 242 destinations in Canada for annual sunshine, below the national median of 2,024 hours. The year's 1,067 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 | -15° / 5°F | 84 mm | 0 | -1° / 30°F |
| February | 0 | -7° / 19°F | -15° / 5°F | 84 mm | 1 | -2° / 28°F |
| March | 0 | -4° / 25°F | -10° / 14°F | 90 mm | 2 | -2° / 28°F |
| April | 0 | 1° / 34°F | -4° / 25°F | 77 mm | 3 | -1° / 30°F |
| May | 0 | 5° / 41°F | 0° / 32°F | 78 mm | 4 | 1° / 34°F |
| June | 12 | 10° / 50°F | 4° / 39°F | 89 mm | 5 | 7° / 45°F |
| July | 42 | 15° / 59°F | 9° / 48°F | 88 mm | 5 | 11° / 52°F |
| August | 42 | 15° / 59°F | 10° / 50°F | 87 mm | 4 | 12° / 54°F |
| September | 24 | 12° / 54°F | 6° / 43°F | 86 mm | 3 | 10° / 50°F |
| October | 0 | 6° / 43°F | 2° / 36°F | 104 mm | 1 | 7° / 45°F |
| November | 0 | 1° / 34°F | -3° / 27°F | 102 mm | 0 | 3° / 37°F |
| December | 0 | -4° / 25°F | -9° / 16°F | 98 mm | 0 | 1° / 34°F |
Sea temperature in Williams Harbour by month
The sea off Williams Harbour is warmest in August at around 12°C / 54°F, and coolest in February at -2°C / 28°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Williams Harbour on the interactive sunshine globe →
Nearby places for sunshine
- Goose Bay Canada · 322 km · best in Jul · 1,776 h sun/yr
- St. John's Canada · 591 km · best in Aug · 1,457 h sun/yr
- Sept-Îles Canada · 772 km · best in Aug · 1,867 h sun/yr
- Charlottetown Canada · 876 km · best in Jul · 1,705 h sun/yr
- Moncton Canada · 963 km · best in Jul · 1,904 h sun/yr
- Halifax Canada · 1,024 km · best in Jul · 1,928 h sun/yr
Nearest destinations
- St. Lewis Canada · 23 km · 1,602 h sun/yr · best in Jul
- Mary's Harbour Canada · 30 km · 1,602 h sun/yr · best in Aug
- Port Hope Simpson Canada · 34 km · 1,732 h sun/yr · best in Jul
- Black Tickle Canada · 100 km · 1,548 h sun/yr · best in Aug
- St. Anthony Canada · 132 km · 1,475 h sun/yr · best in Jul
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