Jotunheimen weather in August

August in Jotunheimen: nice, rainy, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Jotunheimen🇳🇴 Norway · Scandinavia · Trekking87
  1. 41Jan
  2. 50Feb
  3. 62Mar
  4. 76Apr
  5. 81May
  6. 92Jun
  7. 89Jul
  8. 87Aug
  9. 82Sep
  10. 69Oct
  11. 54Nov
  12. 38Dec

#3 of 12 months in Jotunheimen · #372 of 1413 destinations to visit in August · comfort 87/100 (tier A)

Days
18°C
Nights
10°C
Wet days
17
Sun
10.2 h
Humidity
83%
Daylight
16 h
Jotunheimen, Norway
Photo: Wikimedia Commons · CC BY-SA 2.5

Traveller notes on Jotunheimen in August

Jotunheimen-forum threads on an August visit describe this as genuinely a good pick, posters naming August and September the two most reliable months, conditions staying steadiest from late August through mid-September. Regulars call July genuinely the busiest month, several posters warning popular routes like Besseggen see real crowds and August offers a quieter alternative. Posters recommend carrying real waterproofs and warm layers regardless of season, several regulars warning sudden weather changes are a genuine risk in the high mountains even in August. Regulars call some accumulation possible at the highest elevations, several threads naming frost and readings close to zero as a real possibility up high. Posters recommend planning hut-to-hut routes around Gjendesheim, several regulars calling this the standard base for multi-day August itineraries. The record: 18.2C days, 10.4C nights, an extraordinarily high 133.4mm across nearly 17 days and 83 percent humidity.
JotunheimenAugustRegular · August · 3 days ago · Read more on Tripadvisor ↗

Other months in Jotunheimen

Jotunheimen-forum threads on an April visit describe higher elevations as genuinely still under two to four meters of snow late in the month, posters naming roughly a meter even near the larger lakes as standard for this time of year. Regulars call skis genuinely the real way to explore properly in April, several posters naming snowshoes as an option only for fit visitors going with a guide. Posters call popular routes like Besseggen genuinely not realistic in April, several regulars naming July as when that trail actually opens up. Regulars call real winter conditions still standard here despite the calendar saying spring, several threads warning visitors not to underestimate how much snow remains. Posters recommend booking a guide for any real exploration in April, several regulars calling this standard given how much technical winter travel is still required. The record: 5C days, -1.5C nights, 45.2mm across over 9 days and 70 percent humidity.
JotunheimenAprilRegular · April · 2 days ago · Read more on Tripadvisor ↗
Jotunheimen-forum threads on a December visit describe this as genuinely deep winter, posters naming snow depths over a meter and temperatures commonly between minus five and minus ten as standard conditions. Regulars call hiking and kayaking genuinely off the table by December, several posters naming guided cross-country skiing and snowshoeing through hotels as the real way to explore instead. Posters call daylight hours genuinely short in December, several regulars warning outings need to be planned around a narrow window of usable light. Regulars call proper winter gear non-negotiable here, several threads naming layered clothing and real insulated boots as baseline for any outing. Posters recommend booking a guided activity through a hotel rather than heading out independently, several regulars calling this standard given how quickly conditions can turn dangerous. The record: -2.3C days, -7.6C nights, 63.6mm across nearly 15 days and 84 percent humidity.
JotunheimenDecemberRegular · December · 2 days ago · Read more on tripadvisor.com.ph ↗
Jotunheimen-forum threads on a February visit describe deep snowshoeing terrain around Hindseter Hotel as a real winter draw, posters naming guided routes into the surrounding hills as the standard way to explore safely this time of year. Regulars call conditions genuinely frigid after dark, several posters warning real cold sets in fast once the sun drops behind the peaks. Posters call proper winter gear non-negotiable for a February trip, several regulars naming layered clothing and real insulated boots as the baseline for any outing here. Regulars call daylight hours genuinely short in February, several threads recommending an early start to make the most of a narrow window before dusk. Posters recommend booking a guide rather than heading out solo, several regulars calling this standard advice given how quickly weather can turn in these mountains. The record: -1.1C days, -6.4C nights, 57.2mm across over 13 days and 80 percent humidity.
JotunheimenFebruaryRegular · February · 2 days ago · Read more on Tripadvisor ↗
Jotunheimen-forum threads on an October visit describe end of October as genuinely far too late for high-level treks, posters warning real accumulation and shorter days make the season effectively over by then. Regulars call temperatures around freezing typical by late October, several posters citing readings down to negative five as a real possibility alongside heavy accumulation higher up. Posters call Gjendesheim closing around October sixth a real hard stop, several regulars naming bus service ending October eighth as the practical end of easy access. Regulars call early October still workable for lower routes, several threads distinguishing this from the genuinely closed-out higher terrain later on. Posters recommend driving rather than relying on public transport in October, several regulars calling this the only realistic way to see the park once services wind down. The record: 7.3C days, 2.6C nights, an extraordinarily high 82.6mm across 16 days and 86 percent humidity.
JotunheimenOctoberRegular · October · 3 days ago · Read more on Tripadvisor ↗

Add your own note from Jotunheimen's card on the map.

Jotunheimen climate normals — August

Daytime high18°C / 65°F😎 nice
Nighttime low10°C / 51°F
Rainfall133 mm / 5.3 in🌧 rainy
Rainy days17 days
Humidity83%💦 very humid
Dew point11°C / 52°F
Sunshine10.2 h/day
Daylight15.9 h
Wind9 km/h / 6 mph
Snowfall1.3 cm / 0.5 in
Air quality (US AQI)23🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Jotunheimen in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdstravelers describe it as peak season, Summer holidays in Norway, school holidays in 7 of the markets that fill it

Sourced from traveler notes: “…ust through mid-September. Regulars call July genuinely the busiest month, several posters warning popular routes like Besseggen see…” — JotunheimenAugustRegular

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Peak crowdsBusyShoulder seasonQuiet

Best months for Jotunheimen's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherJotunheimen's weather peaks June–August.

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Best weatherFair weatherToughest weather

Nearby, and something's on

Within 300 km of Jotunheimen — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Jotunheimen?

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Jotunheimen in August — FAQ

Is August a good time to visit Jotunheimen?
August in Jotunheimen: nice, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Jotunheimen on SeasonMap's comfort score (87/100).
What is the weather like in Jotunheimen in August?
In August, Jotunheimen averages a daily high of 18.2°C and a low of 10.4°C, with about 133.4 mm of rain over roughly 16.8 rainy days.
What is the air quality in Jotunheimen in August?
Jotunheimen has a mean US Air Quality Index of about 23 in August.
Does it snow in Jotunheimen in August?
Jotunheimen sees roughly 1.3 cm of snowfall in August.

Within 300 km: Geiranger's Dalsnibba and Eagle Road open around 20 May – 5 Nov, and Ålesund's Norwegian Food Festival around 20–31 Aug.