Viikki weather
Best months for weather: Jun–Aug. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Viikki, Uusimaa, Finland.
Best Time to Visit
Peak season Jun–AugOff season Oct–Apr
Viikki weather by month
When is the best time to visit Viikki?
Based on weather alone, the best time to visit Viikki is Jun–Aug, according to NASA's 2001–2025 climate averages. Oct–Apr tends to be the least pleasant. Average highs run from -2°C (28°F) in February to 20°C (67°F) in July.
What is the rainiest month in Viikki?
October is the wettest month, with about 80 mm (3.1 in) of rain on average. April is the driest, with about 41 mm (1.6 in).
What is the hottest month in Viikki?
July is the warmest, with average highs of 20°C (67°F) and lows of 16°C (60°F). February is the coolest, with highs of -2°C (28°F) and lows of -5°C (22°F).
Does Viikki have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is October at about 80 mm (3.1 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months