Longyearbyen (Svalbard) weather in March

March in Longyearbyen: freezing, a little rain, with clean air — not the time — well below freezing.

Updated September 2026 · climate normals from ERA5 reanalysis

Longyearbyen🇸🇯 Svalbard and Jan Mayen · Lapland & the Arctic · Trekking46
  1. 33Jan
  2. 36Feb
  3. 46Mar
  4. 59Apr
  5. 75May
  6. 87Jun
  7. 91Jul
  8. 85Aug
  9. 73Sep
  10. 54Oct
  11. 44Nov
  12. 38Dec

#8 of 12 months in Longyearbyen · #1363 of 1413 destinations to visit in March · comfort 46/100 (tier F)

Days
-8°C
Nights
-13°C
Wet days
8
Sun
4.5 h
Humidity
80%
Daylight
12 h
Longyearbyen, Svalbard and Jan Mayen
Photo: Francesco Ungaro · Pexels

Traveller notes on Longyearbyen in March

Svalbard-forum threads on March northern lights confirm daylight has properly returned by this point, but posters are consistent early March is still the better half of the month for aurora odds, since the sky doesn't yet stay light enough late in the evening to wash it out the way late March can. Regulars describe conditions here as genuinely brutal by outside standards, well below freezing with a real wind chill, so full expedition-grade gear - proper boots, a heavy parka, layered everything - is treated as mandatory rather than optional for any outdoor activity. Dogsledding, snowmobile trips and ice cave visits are the standard March activities, and posters note the aurora belt actually favors mainland Tromso over Svalbard on many nights, worth knowing before betting a whole trip on it. The record: a frigid -7.8C by day dropping to -13.4C at night, a notably high 52.3cm of fresh snowfall and just 4.5 hours of sun.
SvalbardMarchRegular · March · 1 month ago · Read more on Tripadvisor ↗

Other months in Longyearbyen

Longyearbyen-forum threads on a May visit describe this as genuinely a sought-after period, posters naming Norwegian visitors especially as the reason fewer than ten hotels and guesthouses book up fast. Regulars call dogsledding genuinely too late by May, several posters naming wheeled-sled trips as the real alternative once snow conditions change. Posters call the midnight sun genuinely still visible at one in the morning, one visitor calling this a wonderful part of a May visit. Regulars call snowmobile trips genuinely still available this time of year, several threads naming this a real way to explore beyond town despite the shift away from dogsledding. Posters recommend booking accommodation well ahead for a May trip, several regulars calling this standard given how quickly the limited lodging fills up. The record: 2.1C days, -1.9C nights, 30.1mm across nearly 9 days and 81 percent humidity.
LongyearbyenMayRegular · May · 1 month ago · Read more on Tripadvisor ↗
Longyearbyen-forum threads on a late September visit describe this as a between-seasons stretch, posters calling it too early for real snow activities while boat trips remain a realistic option depending on conditions. Regulars call the northern lights a real possibility by late September, though one visitor described their own sighting as little more than a flicker above the mountains. Posters recommend planning strictly within the settlement, no roads or infrastructure connecting anywhere beyond town. Regulars call the destination worth the cost despite the quieter calendar, one poster calling it the highlight of their trip regardless of the in-between timing. Posters recommend real cold-weather layers regardless of the mild readings, wind and exposure here making conditions feel considerably harsher than the temperature alone suggests. The record: 6.1C days feeling like 4C, 2.2C nights, an extraordinarily high 60.8mm across nearly 13 days and 76 percent humidity.
LongyearbyenSeptemberRegular · September · 1 month ago · Read more on Tripadvisor ↗
Longyearbyen-forum threads on a February visit describe early in the month as still genuinely dark, posters calling the sun's return above the horizon a real event that doesn't happen until around the fifteenth or sixteenth. Regulars call the darkness a real feature worth planning around rather than avoiding, conditions here still good for aurora viewing precisely because of it. Posters call actually seeing the northern lights largely down to luck, real activity varying night to night. Regulars call the surrounding mountains a genuine complication, terrain capable of blocking a display otherwise visible in the open. Posters recommend real expedition-grade cold-weather gear regardless of activity, conditions demanding serious preparation. Regulars call the polar landscape worth the trip independent of aurora luck, the setting unlike almost anywhere else reachable by flight. The record: -4.5C days feeling like -9C, -10.1C nights, 36.7mm across over 9 days and 82 percent humidity.
LongyearbyenFebruaryRegular · February · 1 month ago · Read more on Tripadvisor ↗
Longyearbyen-forum threads on the best timing for day and night activities confirm April sits right at a turning point, the midnight sun beginning around the nineteenth. Posters call April and May a real peak season, snowmobiling and dog sledding both popular under a sun that barely sets. Regulars describe wind as the bigger factor in comfort than raw temperature, a breezy day making sub-zero readings feel considerably harsher than the number suggests. Posters recommend real expedition-grade layers regardless of how still the morning looks, conditions here capable of shifting fast. Regulars are direct that northern lights viewing is effectively over once continuous daylight sets in, anyone chasing aurora needing to visit before mid-April. Posters call the combination of snow cover and near-endless light a genuine reason to visit this window. The record: -3.8C days feeling like -8C, -9.4C nights, a notably high 36.2cm of fresh accumulation and 81 percent humidity.
LongyearbyenAprilRegular · April · 1 month ago · Read more on Tripadvisor ↗

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

Longyearbyen climate normals — March

Daytime high-8°C / 18°F🥶 freezing
Nighttime low-13°C / 8°F
Feels like (high)-12°C / 10°F
Sea temperature-1°C / 29°F🥶 cold sea
Rainfall34 mm / 1.3 in🌦 some rain
Rainy days8 days
Humidity80%💦 very humid
Dew point-15°C / 4°F
Sunshine4.5 h/day
Daylight11.5 h
Wind15 km/h / 9 mph
Snowfall52.3 cm / 20.6 in
Air quality (US AQI)40🍃 good

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

Crowds in Longyearbyen in March

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.

Shoulder seasonschool holidays in 4 of the markets that fill it, an ordinary month(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Longyearbyen'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).

Fair weatherLongyearbyen's weather peaks June–August, best around July.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Longyearbyen in March

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Rule

    Polar bear protection rules

    1 Jan – 31 DecRisk

    Outside the settlement you are required to be able to protect yourself against polar bears, which in practice means a rifle and the training to use it, or an approved guide. The Governor sets the rules and enforces them. Source ↗

  • Festival

    Solfestuka, the sun festival

    1–14 MarMajor festival

    The sun comes back over the mountains on 8 March and the town gathers on the old hospital steps to watch it. The fortnight around it is a proper celebration, with concerts and everyone outdoors. Source ↗

  • Season

    Snowmobile and sun-winter season

    1 Mar – 16 MayIce seasonBook early

    Light, snow cover and frozen fjords all at once: this is the window for the long snowmobile runs to the east coast and the ice caves, and for dog sledding on real snow rather than gravel. Source ↗

  • Season

    Snow season

    Ski season

    About 52 cm of snow falls in the month.

    from the climate normals

What's on around the world in March →

Where is Longyearbyen?

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Longyearbyen in March — FAQ

Is March a good time to visit Longyearbyen?
March in Longyearbyen: freezing, a little rain, with clean air — not the time — well below freezing. It ranks #8 of 12 months for Longyearbyen on SeasonMap's comfort score (46/100).
What is the weather like in Longyearbyen in March?
In March, Longyearbyen averages a daily high of -7.8°C and a low of -13.4°C, with about 33.9 mm of rain over roughly 8.4 rainy days.
What is the air quality in Longyearbyen in March?
Longyearbyen has a mean US Air Quality Index of about 40 in March.
Does it snow in Longyearbyen in March?
Longyearbyen sees roughly 52.3 cm of snowfall in March.