Weather on August 15 in Helsinki

Historical weather data for August 15 in Helsinki, Finland

Avg High20°C (68°F)
Avg Low13°C (56°F)
Warmest201023°C
Coldest197811°C

Based on 55 years of data from HELSINKI RAUTATIENTORI

About This Date

August 15th in Helsinki, Finland typically brings mild summer weather, with average highs around 20°C and lows near 13°C. Over 55 years of records, the warmest August 15th was in 2010 (23°C average), while the coldest was 1978 (11°C) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 42% of August 15th dates historically, with the wettest August 15th recording 2.09" of rain. The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.

Planning for August 15th in Helsinki? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202523°C (74°F)17°C (62°F)0.3"
202423°C (74°F)14°C (58°F)0"
202323°C (73°F)16°C (61°F)0.12"
202225°C (77°F)16°C (60°F)0"
202119°C (66°F)13°C (56°F)0.06"
202023°C (74°F)15°C (59°F)0"
201921°C (69°F)14°C (58°F)0.12"
201822°C (71°F)16°C (61°F)0"
201719°C (67°F)12°C (54°F)0"
201618°C (64°F)11°C (51°F)0.1"
201521°C (70°F)14°C (57°F)--
201422°C (71°F)15°C (59°F)--
201322°C (71°F)14°C (57°F)--
201223°C (74°F)15°C (59°F)--
201119°C (66°F)17°C (62°F)--
201027°C (80°F)20°C (68°F)--
200921°C (70°F)12°C (53°F)0.14"
200820°C (68°F)14°C (58°F)0.03"
200724°C (75°F)15°C (59°F)0"
200621°C (70°F)18°C (64°F)0.15"
200521°C (69°F)13°C (56°F)0"
200417°C (63°F)6°C (42°F)0.68"
200319°C (67°F)13°C (56°F)1.79"
200228°C (82°F)17°C (62°F)0"
200121°C (69°F)13°C (55°F)0"
200018°C (65°F)12°C (54°F)0.07"
199918°C (65°F)8°C (46°F)0"
199816°C (61°F)10°C (50°F)0"
199718°C (65°F)8°C (47°F)0"
199622°C (71°F)16°C (61°F)0"
199521°C (69°F)12°C (54°F)0"
199421°C (69°F)15°C (59°F)0.12"
199320°C (68°F)11°C (52°F)0.03"
199218°C (64°F)14°C (58°F)0.36"
199119°C (67°F)9°C (49°F)0"
199023°C (73°F)13°C (55°F)0"
198920°C (68°F)15°C (59°F)0"
198819°C (66°F)13°C (56°F)0.64"
198714°C (57°F)11°C (52°F)2.09"
198619°C (66°F)12°C (54°F)0"
198521°C (69°F)12°C (53°F)0"
198416°C (60°F)9°C (49°F)0"
198316°C (60°F)7°C (44°F)0.41"
198216°C (60°F)13°C (55°F)0.31"
198119°C (67°F)17°C (62°F)0"
198020°C (68°F)14°C (57°F)0"
197922°C (71°F)15°C (59°F)0"
197817°C (62°F)5°C (41°F)0"
197718°C (64°F)9°C (48°F)0.02"
197622°C (72°F)12°C (53°F)0"
197521°C (69°F)16°C (60°F)1.11"
197417°C (63°F)13°C (56°F)0.06"
197324°C (75°F)12°C (54°F)0"
197217°C (63°F)13°C (56°F)1.1"
197118°C (64°F)16°C (60°F)1.5"

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