City break

Longyearbyen weather in July

Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.

32

Holiday weather in July

Poor

Best time to visit: April – June

What is the weather like in Longyearbyen in July?

In July, Longyearbyen is cold: daytime highs average 8 °C, and nights cool down to about 5 °C. The sea averages 3.6 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 9 rainy days and 38 mm in total. All in all, July is not an ideal month for a holiday in Longyearbyen.

July compared

How the weather changes from June to August. Tap a month to open it.

JuneJunJulyJulAugustAug
Score473224
Day3°8°6°
Night1°5°4°
Sea2°4°4°
Sun10 h7 h5 h
Rain days6911

More details for July

Daylight
Midnight sun
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
11 km/haverage daily peakAll months
Cloud cover
83 %on averageAll months
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+2Arctic/Longyearbyen

How the score comes together

  • Temperatureweight 50 %0 %
  • Sunshineweight 20 %67 %
  • Few rainy daysweight 30 %61 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in July

  • Warm jacket
  • Rain jacket or umbrella

Longyearbyen in July: quick answers

Is Longyearbyen hot in July?

No. In July, Longyearbyen is cold: daytime highs average 8 °C and nights drop to about 5 °C.

Can you swim in Longyearbyen in July?

Only if you don't mind cold water: in July the sea averages just 3.6 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Longyearbyen in July?

Rain is frequent, with about 9 rainy days and 38 mm in total.

Longyearbyen month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences