Similar Climates › City Pairings › Juneau ≈ St. John's
City Pairings
fair match
Juneau, Alaska and St. John's, Newfoundland and Labrador, Canada are a fair climate match — 5,252 km (3,263 mi) apart. Juneau is Köppen zone Dfc; St. John's is Dfb.
See Juneau on the interactive map →Looking outward from Juneau (subarctic, Dfc), the closest distant match is St. John's (warm-summer continental, Dfb) — different Köppen labels, but January and July still line up closely enough. From Juneau's point of view, St. John's 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 Juneau, St. John's is a fair outward match — close on the main numbers, with a few seasonal quirks. July by 2°C (St. John's warmer); January means differ by 2°C (St. John's cooler). Rainfall shifts more: St. John's is 30 mm wetter in January, and 30 mm drier in July.
Sunshine: St. John's averages 6.5 hours a day across the two months vs 5.3 in Juneau (1.1 h/day more; January 3.9 h vs 2.2 h, July 9 h vs 8.5 h). PM2.5 averages stay near each other (5 µg/m³ in St. John's, 3 in Juneau). Dew points differ modestly (January -7°C vs -7°C; July 11°C vs 8°C).
January & July · °C and mm
Compare Juneau and St. John's month by month on the interactive map →
See St. John's's climate twin on its own page.
On Similar Climates, St. John's, Newfoundland and Labrador, Canada is the closest distant match for Juneau, Alaska — scored fair, about 5,252 km (3,263 mi) away.
Juneau and St. John's 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 — Juneau is subarctic (Dfc) and St. John's is warm-summer continental (Dfb), but the January and July numbers still align closely enough to pair.
Juneau has a subarctic climate (Dfc). January averages a high of 1°C and a low of -5°C with 120 mm of rain; July averages 18°C / 9°C and 115 mm.
Juneau averages about 2.2 hours of sunshine a day in January and 8.5 hours in July.
January PM2.5 averages about 0.7 µg/m³ (US AQI 35); July averages 5.3 µg/m³ (US AQI 32).
Other close climate matches for Juneau: Trondheim (fair), Puerto Montt (fair), Tromsø (loose).
All subarctic (Dfc) cities on Similar Climates →
Explore Juneau and St. John's on the interactive map →