Joensuu in August

6.7out of 10

Possible, with caveats

Mild: highs around 18°C. Frequent rain: about 13 rainy days.

18°CAvg high
12°CAvg low
13Rainy days (82 mm)
15:46 hDaylight
05:12Sunrise · 20:58 Sunset

Why this score

  • Mild: highs around 18°C
  • Frequent rain: about 13 rainy days
  • Rain varies a lot between years (±4.5 days)

What to wear and pack

  • Layers you can add or remove
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in August varies a lot between years (±4.5 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

-6° -11° J -6° -11° F -1° -7° M 5° -2° A 12° 4° M 18° 10° J 20° 14° J 18° 12° A 13° 7° S 6° 2° O 0° -3° N -3° -7° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -6°C-11°C41 mm 11– – 3.7
February -6°C-11°C35 mm 10– – 3.8
March -1°C-7°C34 mm 9– – 3.9
April 5°C-2°C32 mm 8– – 5.0
May 12°C4°C49 mm 9– – 6.3
June 18°C10°C75 mm 13– – 6.7
July 20°C14°C85 mm 13– – 7.1
August 18°C12°C82 mm 13– – 6.7
September 13°C7°C68 mm 12– – 6.0
October 6°C2°C62 mm 13– – 4.7
November 0°C-3°C55 mm 12– – 3.7
December -3°C-7°C53 mm 13– – 3.4

Frequently asked questions

How hot is Joensuu in August?

Daytime highs average 18°C and nights about 12°C.

When is the best time to visit Joensuu?

The best months are July, June, August.