Similar Climates › City Pairings › St. John's ≈ Juneau
City Pairings
fair match
St. John's, Newfoundland and Labrador, Canada and Juneau, Alaska are a fair climate match — 5,252 km (3,263 mi) apart. St. John's is Köppen zone Dfb; Juneau is Dfc.
See St. John's on the interactive map →Looking outward from St. John's (warm-summer continental, Dfb), the closest distant match is Juneau (subarctic, Dfc) — different Köppen labels, but January and July still line up closely enough. From St. John's's point of view, Juneau sits about 5,252 km (3,263 mi) out — far enough to feel like another place, close enough on the numbers to stand in.
For St. John's, Juneau is a fair outward match — close on the main numbers, with a few seasonal quirks. July by 2°C (Juneau cooler); January means differ by 2°C (Juneau warmer). Rainfall shifts more: Juneau is 30 mm drier in January, and 30 mm wetter in July.
Sunshine: Juneau averages 5.3 hours a day across the two months vs 6.5 in St. John's (1.1 h/day less; January 2.2 h vs 3.9 h, July 8.5 h vs 9 h). PM2.5 averages stay near each other (3 µg/m³ in Juneau, 5 in St. John's). Dew points differ modestly (January -7°C vs -7°C; July 8°C vs 11°C).
January & July · °C and mm
Compare St. John's and Juneau month by month on the interactive map →
See Juneau's climate twin on its own page.
On Similar Climates, Juneau, Alaska is the closest distant match for St. John's, Newfoundland and Labrador, Canada — scored fair, about 5,252 km (3,263 mi) away.
St. John's and Juneau are separated by roughly 5,252 km (3,263 mi) on the great-circle route.
Yes — both cities are in the same hemisphere, so summer and winter fall in the same calendar months.
No — St. John's is warm-summer continental (Dfb) and Juneau is subarctic (Dfc), but the January and July numbers still align closely enough to pair.
St. John's has a warm-summer continental climate (Dfb). January averages a high of 0°C and a low of -8°C with 150 mm of rain; July averages 21°C / 11°C and 85 mm.
St. John's averages about 3.9 hours of sunshine a day in January and 9 hours in July.
January PM2.5 averages about 3.2 µg/m³ (US AQI 36); July averages 6.2 µg/m³ (US AQI 37).
Other close climate matches for St. John's: Puerto Montt (loose), Cork (loose), Invercargill (loose).
All warm-summer continental (Dfb) cities on Similar Climates →
Explore St. John's and Juneau on the interactive map →