St. Lewis weather by month & the best time to visit
🇨🇦 Canada · seaside town · subarctic climate
St. Lewis 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
- 1,602
- 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
- 13°C / 55°F
- Population
- 194
- Elevation
- 27 m
When is the best time to visit St. Lewis?
St. Lewis 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 St. Lewis?
St. Lewis isn't a sunny place by world standards: about 1,602 hours of sunshine a year. July (42/100) is noticeably better than January (0). It ranks #222 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 | -2° / 28°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 | -5° / 23°F | 77 mm | 3 | 0° / 32°F |
| May | 0 | 5° / 41°F | 0° / 32°F | 78 mm | 4 | 2° / 36°F |
| June | 12 | 10° / 50°F | 4° / 39°F | 89 mm | 5 | 8° / 46°F |
| July | 42 | 15° / 59°F | 9° / 48°F | 88 mm | 5 | 12° / 54°F |
| August | 42 | 15° / 59°F | 10° / 50°F | 87 mm | 4 | 13° / 55°F |
| September | 24 | 12° / 54°F | 6° / 43°F | 86 mm | 3 | 11° / 52°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 | 4° / 39°F |
| December | 0 | -4° / 25°F | -9° / 16°F | 98 mm | 0 | 1° / 34°F |
Sea temperature in St. Lewis by month
The sea off St. Lewis is warmest in August at around 13°C / 55°F, and coolest in January 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 St. Lewis on the interactive sunshine globe →
Nearby places for sunshine
- Goose Bay Canada · 336 km · best in Jul · 1,776 h sun/yr
- St. John's Canada · 568 km · best in Aug · 1,457 h sun/yr
- Sept-Îles Canada · 773 km · best in Aug · 1,867 h sun/yr
- Charlottetown Canada · 865 km · best in Jul · 1,705 h sun/yr
- Moncton Canada · 953 km · best in Jul · 1,904 h sun/yr
- Halifax Canada · 1,011 km · best in Jul · 1,928 h sun/yr
Nearest destinations
- Mary's Harbour Canada · 14 km · 1,602 h sun/yr · best in Aug
- Williams Harbour Canada · 23 km · 1,603 h sun/yr · best in Jul
- Port Hope Simpson Canada · 45 km · 1,732 h sun/yr · best in Jul
- St. Anthony Canada · 113 km · 1,475 h sun/yr · best in Jul
- Black Tickle Canada · 122 km · 1,548 h sun/yr · best in Aug
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