Tonsberg weather in August 2025

Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Tonsberg in August. Check more long-term weather averages for Tonsberg in August before you book your next holiday to Norway in 2025/2026.

• 20
  20°C max day temperature
• 7
  7 hours of sunshine per day
• 15
  15 days with some rainfall
• 11
  11°C min night temperature
• 15
  15 hours of daylight per day
• 0
  No heat & humidity
• 86
  86 mm of monthly rainfall
• 4
  4 (Moderate) UV index
• 18
  18°C sea temperature

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The August weather guide for Norway (Tonsberg) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Tonsberg August sunrise & sunset times

Browse the sunrise and sunset times for Tonsberg in August 2025. Select a month to view Tonsberg sunrise and sunset times for the next 12 months.

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