Sundsvall/ Härnösand weather by month & the best time to visit
🇸🇪 Sweden · seaside town · continental climate
The best time to visit Sundsvall/ Härnösand is July — its sunniest month (Sunshine Score 73/100), with August close behind. Sundsvall/ Härnösand averages about 1,720 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 83 mm of rain in July.
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- Sun hours / year
- 1,720
- Sunniest month
- July
- Peak score
- 73/100
- Rain / year
- 792 mm
- Snow / year
- ≈2 m
- Midday UV at peak
- 4 (moderate)
- Sea at warmest
- 20°C / 68°F
- Population
- 58k
- Elevation
- Sea level
When is the best time to visit Sundsvall/ Härnösand?
For sunshine, the best time to visit Sundsvall/ Härnösand is July, then August. The dullest month is January (0/100, 58 mm of rain). The full month-by-month picture is in the table below.
How sunny is Sundsvall/ Härnösand?
Sundsvall/ Härnösand isn't a sunny place by world standards: about 1,720 hours of sunshine a year. 73 Sunshine Score points separate July (73) from January (0), so the month you pick matters. It ranks #12 of 36 destinations in Sweden for annual sunshine, above the national median of 1,697 hours. The year's 792 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 | -3° / 27°F | -7° / 19°F | 58 mm | 0 | 0° / 32°F |
| February | 0 | -2° / 28°F | -7° / 19°F | 44 mm | 0 | 0° / 32°F |
| March | 0 | 1° / 34°F | -5° / 23°F | 45 mm | 1 | 1° / 34°F |
| April | 0 | 7° / 45°F | 0° / 32°F | 46 mm | 2 | 3° / 37°F |
| May | 32 | 13° / 55°F | 5° / 41°F | 64 mm | 3 | 11° / 52°F |
| June | 58 | 17° / 63°F | 10° / 50°F | 64 mm | 4 | 19° / 66°F |
| July | 73 | 20° / 68°F | 13° / 55°F | 83 mm | 4 | 20° / 68°F |
| August | 64 | 19° / 66°F | 12° / 54°F | 100 mm | 3 | 20° / 68°F |
| September | 37 | 14° / 57°F | 8° / 46°F | 76 mm | 2 | 16° / 61°F |
| October | 0 | 7° / 45°F | 3° / 37°F | 81 mm | 1 | 9° / 48°F |
| November | 0 | 2° / 36°F | -1° / 30°F | 64 mm | 0 | 4° / 39°F |
| December | 0 | -1° / 30°F | -5° / 23°F | 67 mm | 0 | 0° / 32°F |
Sea temperature in Sundsvall/ Härnösand by month
The sea off Sundsvall/ Härnösand is warmest in July at around 20°C / 68°F, and coolest in January at 0°C / 32°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 Sundsvall/ Härnösand on the interactive sunshine globe →
Nearby places for sunshine
- Umeå Sweden · 200 km · best in Jul · 1,887 h sun/yr
- Stockholm Sweden · 321 km · best in Jul · 1,710 h sun/yr
- Trondheim Norway · 345 km · best in Jul · 1,425 h sun/yr
- Luleå Sweden · 405 km · best in Jul · 1,895 h sun/yr
- Oslo (Gardermoen) Norway · 426 km · best in Jul · 1,634 h sun/yr
- Helsinki (Vantaa) Finland · 469 km · best in Jul · 1,584 h sun/yr
Nearest destinations
- Nyland Sweden · 60 km · 1,719 h sun/yr · best in Jul
- Örnsköldsvik Sweden · 125 km · 1,752 h sun/yr · best in Jul
- Sveg Sweden · 165 km · 1,648 h sun/yr · best in Jul
- Östersund Sweden · 166 km · 1,618 h sun/yr · best in Jul
- Vaasa Finland · 227 km · 1,870 h sun/yr · best in Jul
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