Weather forecast builder for the St. Olavsleden

Plan your walk with weather from 17 years of history—choose towns and dates below.

About weather on the St. Olavsleden

On St. Olavsleden, the most reliable start window runs from late May through August, bringing long daylight, mostly snow‑free uplands, open services, and mild, changeable summer weather. June, July, and August align with greener periods, extended evenings, and mostly mild conditions between passing showers, warmer lowlands and cooler uplands. Outside that span, lingering snow, shorter days, and colder, wetter ground increase, while September turns autumnal and October through early spring trend wintry and unsettled.

• Winter brings overcast skies, frequent snowfall, brief clear spells with sharper cold, and occasional coastal thaws turning to sleet or drizzle.
• Spring transitions from late‑winter pulses to milder spells, with frequent cloud, passing rain or wet snow, freeze–thaw cycles, and brief bright windows.
• Summer is green and changeable, with mild to warm lowlands, cooler uplands, passing showers, brighter spells, and many usable hours between rain bands.
• Autumn turns changeable and cool, with cloud and drizzle, passing heavier rain, early high‑ground snow, chilly evenings, and increasing sleet or intermittent snow inland.

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