Alta weather by month & the best time to visit
🇳🇴 Norway · seaside town · subarctic climate
The best time to visit Alta is July — its sunniest month (Sunshine Score 52/100). Alta averages about 1,800 hours of sunshine a year. Daytime highs around 17°C / 63°F and roughly 111 mm of rain in July.
Jump to: month-by-month table · sea temperature · nearby alternatives · embed this data
- Sun hours / year
- 1,800
- Sunniest month
- July
- Peak score
- 52/100
- Rain / year
- 956 mm
- Snow / year
- ≈3 m
- Midday UV at peak
- 3 (moderate)
- Sea at warmest
- 17°C / 63°F
- Population
- 15k
- Elevation
- Sea level

When is the best time to visit Alta?
For sunshine, the best time to visit Alta is July. The dullest month is January (0/100, 61 mm of rain). The full month-by-month picture is in the table below.
How sunny is Alta?
Alta gets a moderate 1,800 hours of sunshine a year. 52 Sunshine Score points separate July (52) from January (0), so the month you pick matters. Alta is the sunniest of the 36 destinations tracked in Norway. The year's 956 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 | -5° / 23°F | -10° / 14°F | 61 mm | 0 | -1° / 30°F |
| February | 0 | -5° / 23°F | -10° / 14°F | 59 mm | 0 | -2° / 28°F |
| March | 0 | -1° / 30°F | -7° / 19°F | 72 mm | 1 | -1° / 30°F |
| April | 0 | 2° / 36°F | -3° / 27°F | 59 mm | 2 | 0° / 32°F |
| May | 0 | 6° / 43°F | 2° / 36°F | 82 mm | 3 | 6° / 43°F |
| June | 23 | 12° / 54°F | 7° / 45°F | 108 mm | 3 | 13° / 55°F |
| July | 52 | 17° / 63°F | 11° / 52°F | 111 mm | 3 | 17° / 63°F |
| August | 41 | 15° / 59°F | 9° / 48°F | 100 mm | 2 | 15° / 59°F |
| September | 12 | 10° / 50°F | 5° / 41°F | 82 mm | 1 | 12° / 54°F |
| October | 0 | 3° / 37°F | 0° / 32°F | 82 mm | 0 | 9° / 48°F |
| November | 0 | -1° / 30°F | -5° / 23°F | 67 mm | 0 | 6° / 43°F |
| December | 0 | -3° / 27°F | -8° / 18°F | 73 mm | 0 | 0° / 32°F |
Sea temperature in Alta by month
The sea off Alta is warmest in July at around 17°C / 63°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 Alta on the interactive sunshine globe →
Nearby places for sunshine
- Tromsø Norway · 174 km · best in Jul · 1,713 h sun/yr
- Ivalo Finland · 220 km · best in Jul · 1,726 h sun/yr
- Kittilä Finland · 260 km · best in Jul · 1,732 h sun/yr
- Harstad/Narvik Norway · 311 km · best in Jul · 1,431 h sun/yr
- Murmansk Russia · 390 km · best in Jul · 1,514 h sun/yr
- Rovaniemi Finland · 393 km · best in Jul · 1,636 h sun/yr
Nearest destinations
- Lakselv Norway · 62 km · best in Jul
- Hasvik Norway · 73 km · best in Jul
- Hammerfest Norway · 79 km · best in Jul
- Sørkjosen Norway · 95 km · 1,763 h sun/yr · best in Jul
- Honningsvåg Norway · 150 km · best in Jul
Head-to-head
How Alta compares month by month: Alta vs Harstad/Narvik · Alta vs Tromsø · Alta vs Kittilä · Alta vs Ivalo · all comparisons
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