Similar Climates › City Pairings › Riga ≈ Oslo
City Pairings
very close match
Riga, Latvia and Oslo, Norway are a very close climate match — 843 km (524 mi) apart. Riga is Köppen zone Cfb; Oslo is Dfb.
See Riga on the interactive map →Riga is classed oceanic (Cfb) while Oslo is warm-summer continental (Dfb) — different Köppen labels, but January and July still land close enough to pair. They sit only about 843 km (524 mi) apart — a short hop on the atlas for a climate match this close.
The match scores as very close — among the tightest pairings in the atlas for Riga. Temperatures stay tight: January means match within half a degree; July by 0°C (Oslo cooler).
Sunshine stays close: Oslo at 7.6 h/day on average versus 7.7 h/day in Riga (January 2.7 h / 2.2 h, July 12.5 h / 13.2 h). PM2.5 averages stay near each other (7 µg/m³ in Oslo, 9 in Riga). Dew points differ modestly (January -5°C vs -5°C; July 11°C vs 13°C).
January & July · °C and mm
Compare Riga and Oslo month by month on the interactive map →
See Oslo's climate twin on its own page.
On Similar Climates, Oslo, Norway is the closest distant match for Riga, Latvia — scored very close, about 843 km (524 mi) away.
Riga and Oslo are separated by roughly 843 km (524 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 — Riga is oceanic (Cfb) and Oslo is warm-summer continental (Dfb), but the January and July numbers still align closely enough to pair.
Riga has a oceanic climate (Cfb). January averages a high of -1°C and a low of -6°C with 40 mm of rain; July averages 22°C / 13°C and 80 mm.
Riga averages about 2.2 hours of sunshine a day in January and 13.2 hours in July.
January PM2.5 averages about 11.3 µg/m³ (US AQI 51); July averages 6.1 µg/m³ (US AQI 36).
Other close climate matches for Riga: Hamburg (close), Birmingham (fair), Rotterdam (fair).
All oceanic (Cfb) cities on Similar Climates →
Explore Riga and Oslo on the interactive map →