Svalbard

Longyearbyen in July: weather, sea & travel advice

This month's data profile

Rain shapes the decision

Longyearbyen in July is climatically mixed. The average daily high is around 5 °C, and the sea is about 5 °C. With about 15 rainy days it is very wet.

Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.

Rank among 12 monthly averages

23/100 · #4

Warmth

Dryness

Sun

Sea warmth

Published best categories: none

Colourful houses in the polar desert of Longyearbyen

Longyearbyen · JulyPhoto: Bjørn Christian Tørrissen · CC BY-SA 4.0

Average high: 5 °C
Average low: 3 °C
Sea: 5 °C
Rainy days (est.): 15 rainy days (est.)
Sun (est.): 7 h/day
Humidity: 90 %

Climate evidence with direct month comparison

The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.

Climate averages for Longyearbyen: selected and adjacent months
Month	Avg high °C	Avg low °C	Rainy days (est.)	Precipitation mm	Sun h/day (est.)	Humidity %	Wind m/s	Sea °C	Score
June	1	-1	12	40	7.6	90	2.7	2	29
July (selected)	5	3	15	56	6.5	90	2.8	5	23
August	4	2	16	64	4.0	91	2.7	5	19

How do the previous and next months compare?

Baseline: July (23/100)

Positive and negative values show the change from the selected month.

	Score Δ	Average high Δ	Average low Δ	Rainy days Δ	Rain Δ	Sun Δ	Humidity Δ	Wind Δ	Sea Δ
June	+6	-4 °C	-3 °C	-3.9	-15.6 mm	+1.1 h	+0.3 %	-0.1 m/s	-2.2 °C
August	-4	-0.8 °C	-1 °C	+0.6	+8.5 mm	-2.5 h	+1.4 %	-0.1 m/s	+0.5 °C

All twelve months in context

JanUnsuitable13 FebUnsuitable16 MarUnsuitable17 AprUnsuitable26 MayUnsuitable28 JunUnsuitable29 JulUnsuitable23 AugUnsuitable19 SepUnsuitable15 OctUnsuitable14 NovUnsuitable14 DecUnsuitable13

Rainy days (estimated)

Sunshine hours (estimated)h/day

Average daily high°C

-11

-8

-3

-5

-7

-9

Sea temperature°C

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Where to stay in Longyearbyen

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Useful next decisions

Longyearbyen · Month by month

Ilulissat · July Nuuk · July Akureyri · July Anchorage · July

Frequently asked questions

How warm is Longyearbyen in July?

The average daily high is around 5 °C, with an average daily low of about 3 °C.

Can you swim in Longyearbyen in July?

The sea is about 5 °C (cold).

Does it rain a lot in Longyearbyen in July?

The curated estimate is about 15 rainy days per month, not a directly measured long-term average. Total precipitation averages around 56 mm for the month. A rainy day does not mean all-day rain.

When is the best time to visit Longyearbyen?

No month in Longyearbyen reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.