Stephenville weather by month & the best time to visit
🇨🇦 Canada · seaside town · continental climate
The best time to visit Stephenville is August — its sunniest month (Sunshine Score 68/100), with July close behind. Stephenville averages about 1,457 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 103 mm of rain in August.
Jump to: month-by-month table · sea temperature · nearby alternatives · embed this data
- Sun hours / year
- 1,457
- Sunniest month
- August
- Peak score
- 68/100
- Rain / year
- 1,225 mm
- Snow / year
- ≈3.6 m
- Midday UV at peak
- 5 (moderate)
- Sea at warmest
- 21°C / 70°F
- Population
- 7k
- Elevation
- 8 m
When is the best time to visit Stephenville?
For sunshine, the best time to visit Stephenville is August, then July. The dullest month is January (0/100, 109 mm of rain). The full month-by-month picture is in the table below.
How sunny is Stephenville?
Stephenville isn't a sunny place by world standards: about 1,457 hours of sunshine a year. 68 Sunshine Score points separate August (68) from January (0), so the month you pick matters. It ranks #236 of 242 destinations in Canada for annual sunshine, below the national median of 2,024 hours. The year's 1,225 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 | -2° / 28°F | -7° / 19°F | 109 mm | 0 | 1° / 34°F |
| February | 0 | -3° / 27°F | -8° / 18°F | 102 mm | 1 | -1° / 30°F |
| March | 0 | -1° / 30°F | -6° / 21°F | 83 mm | 2 | 0° / 32°F |
| April | 0 | 4° / 39°F | -1° / 30°F | 84 mm | 3 | 3° / 37°F |
| May | 12 | 10° / 50°F | 3° / 37°F | 88 mm | 5 | 8° / 46°F |
| June | 41 | 15° / 59°F | 8° / 46°F | 91 mm | 5 | 14° / 57°F |
| July | 63 | 19° / 66°F | 13° / 55°F | 96 mm | 5 | 19° / 66°F |
| August | 68 | 20° / 68°F | 15° / 59°F | 103 mm | 5 | 21° / 70°F |
| September | 44 | 16° / 61°F | 11° / 52°F | 117 mm | 3 | 18° / 64°F |
| October | 17 | 11° / 52°F | 6° / 43°F | 112 mm | 2 | 12° / 54°F |
| November | 0 | 5° / 41°F | 1° / 34°F | 119 mm | 1 | 7° / 45°F |
| December | 0 | 1° / 34°F | -3° / 27°F | 121 mm | 0 | 3° / 37°F |
Sea temperature in Stephenville by month
The sea off Stephenville is warmest in August at around 21°C / 70°F, and coolest in February at -1°C / 30°F. The water sits at a comfortable 21°C or warmer roughly 1 month a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Stephenville on the interactive sunshine globe →
Nearby places for sunshine
- Charlottetown Canada · 426 km · best in Jul · 1,705 h sun/yr
- St. John's Canada · 443 km · best in Aug · 1,457 h sun/yr
- Moncton Canada · 535 km · best in Jul · 1,904 h sun/yr
- Goose Bay Canada · 547 km · best in Jul · 1,776 h sun/yr
- Halifax Canada · 555 km · best in Jul · 1,928 h sun/yr
- Sept-Îles Canada · 588 km · best in Aug · 1,867 h sun/yr
Nearest destinations
- Deer Lake Canada · 112 km · 1,495 h sun/yr · best in Jul
- Chevery Canada · 228 km · 1,807 h sun/yr · best in Aug
- Miquelon St. Pierre & Miquelon · 229 km · 1,543 h sun/yr · best in Aug
- Tête-à-la-Baleine Canada · 244 km · 1,808 h sun/yr · best in Aug
- Le Golfe-du-Saint-Laurent Canada · 245 km · 1,807 h sun/yr · best in Jul
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