Weather in Longyearbyen in July 2025
- July is usually the hottest month of the year in Longyearbyen;
Average weather
Average temperature in Longyearbyen in July
The temperature in July is +12°C on average, with a range between a maximum of +17°C during the day and a minimum of +5°C at night.
The average maximum temperature goes down 8% by the end of the month, compared with the beginning of the month, from +11°C to +10°C.
Is Longyearbyen warm or cold in July?
Longyearbyen is typically cool in July.
Maximum temperatures go up compared to the previous month from +4°C to +9°C. The minimum temperature also goes up from +2°C to +5°C.
Pack a sweater and a jacket as there will be cooler temperatures.
July is the hottest month in Longyearbyen, here is the comparison with other months:
Climate in Longyearbyen in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +4°C | +9°C | +7°C | ||||
| Min. temperature | ||||||
| -6°C | 0°C | -5°C | ||||
| Max. temperature | ||||||
| +12°C | +18°C | +15°C | ||||
| Rainfall | ||||||
| 13 mm | 30 mm | 38 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 84% | 82% | 84% | ||||
| Air pressure | ||||||
| 1012 HPa | 1011 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 1 | 1 | 1 | ||||
| Cloudy days | ||||||
| 19 | 17 | 17 | ||||
| Rainy days | ||||||
| 6 | 13 | 13 | ||||
| Snowy days | ||||||
| 4 | 0 | 1 | ||||
July weather is still as ok as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +4°C to +9°C during the day. Prepare for more rain. Average rainfall goes from 13 mm to 30 mm. It feels drier, as humidity decreases from 84% to 82%. The average wind speed doesn’t change much during July, staying around 3 m/s. The amount of sunny days stay about the same, averaging 1 sunny days during the month.
August brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Longyearbyen is gradually increasing during July, going from 1 m/s to 5 m/s over the course of the month.
Rain
How was the weather last July in Longyearbyen?
Climate Change over Years
The climate in Longyearbyen in July has not changed much over the last 43 years.
The average temperature was the lowest in 1988 (-7°C) and the highest in 2016 (+1°C). The driest year was 1998 with only 51 mm of rainfall, and the wettest year was 2016 with 381 mm.
FAQ
Is July a good time to visit Longyearbyen?
Can you sunbathe in Longyearbyen in July?
Is Longyearbyen rainy in July?
Is it sunny in Longyearbyen in July?
Monthly weather in Longyearbyen
Source of the data
For this page, we’ve looked at the typical weather in Longyearbyen, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.