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When to go · Porsgrunn

Porsgrunn, month by month

The best months for Porsgrunn: Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb, Dec.

Month by month

  1. JanuaryAvoidListed as a month to avoid: Dec–Feb (cold, limited daylight).2 °C (36 °F) / -3 °C (27 °F), 8 rain daysCrowds: Low
  2. FebruaryAvoidListed as a month to avoid: Dec–Feb (cold, limited daylight).3 °C (37 °F) / -2 °C (28 °F), 7 rain daysCrowds: Medium
  3. MarchGoodOutside the best window (Jun–Aug, Sep (mild weather and festival)). Across Norway: Best winter month: snow, sun and auroras together; Easter falls in late March in 2027.7 °C (45 °F) / 1 °C (34 °F), 9 rain daysCrowds: Medium · 1 festival or holiday
  4. AprilMixedOutside the best window (Jun–Aug, Sep (mild weather and festival)). Across Norway: Thaw in the south, ski touring in the north; Svalbard snowmobile season.12 °C (54 °F) / 4 °C (39 °F), 10 rain daysCrowds: Low
  5. MayGoodOutside the best window (Jun–Aug, Sep (mild weather and festival)). Across Norway: Fruit blossom in Hardanger, 17 May celebrations; mountain roads still closed early in the month.17 °C (63 °F) / 9 °C (48 °F), 9 rain daysCrowds: Medium · 1 festival or holiday
  6. JuneGreatInside Porsgrunn's best window: Jun–Aug, Sep (mild weather and festival).20 °C (68 °F) / 12 °C (54 °F), 8 rain daysCrowds: High
  7. JulyGreatInside Porsgrunn's best window: Jun–Aug, Sep (mild weather and festival).22 °C (72 °F) / 14 °C (57 °F), 7 rain daysCrowds: High
  8. AugustGreatInside Porsgrunn's best window: Jun–Aug, Sep (mild weather and festival).22 °C (72 °F) / 13 °C (55 °F), 7 rain daysCrowds: High
  9. SeptemberGreatInside Porsgrunn's best window: Jun–Aug, Sep (mild weather and festival).18 °C (64 °F) / 10 °C (50 °F), 9 rain daysCrowds: Medium
  10. OctoberMixedOutside the best window (Jun–Aug, Sep (mild weather and festival)). Across Norway: Wet and dark in the south; mountain roads close; good aurora nights in the north.13 °C (55 °F) / 6 °C (43 °F), 10 rain daysCrowds: Low
  11. NovemberMixedOutside the best window (Jun–Aug, Sep (mild weather and festival)). Across Norway: Dark and wet; Tromsø whale season begins (check); polar night starts late in the month.7 °C (45 °F) / 1 °C (34 °F), 11 rain daysCrowds: Low
  12. DecemberAvoidListed as a month to avoid: Dec–Feb (cold, limited daylight).3 °C (37 °F) / -2 °C (28 °F), 10 rain daysCrowds: Medium · 1 festival or holiday

Compare two months

Weather, crowds and prices for any two months in Porsgrunn, side by side.

  • Verdict

    Jun: Great

    Jul: Great

  • Daytime high

    Jun: 20 °C (68 °F)

    Jul: 22 °C (72 °F)

  • Night low

    Jun: 12 °C (54 °F)

    Jul: 14 °C (57 °F)

  • Rain days

    Jun: 8

    Jul: 7 (better)

  • Crowds

    Jun: High

    Jul: High

  • Prices

    Jun: High

    Jul: High

  • Festivals listed

    Jun: 0

    Jul: 0

June: Inside Porsgrunn's best window: Jun–Aug, Sep (mild weather and festival).

July: Inside Porsgrunn's best window: Jun–Aug, Sep (mild weather and festival).

Porsgrunn: figures are long-term averages from this guide, not a forecast.