Helsinki climate

Helsinki Weather in June

NASA POWER reanalysis for the half-degree grid cell around Helsinki, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 13°C on June 1 to 17°C on June 30, and lows from 9°C to 13°C. Normal precipitation for the month is 63 mm over about 9 wet days.

June day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Helsinki, in °C, with the record for each date.0510152025151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

June at a glance

Average high
15°C
Average low
11°C
Precipitation
63 mm
Reanalysis high
24°CJun 27, 2020
Reanalysis low
5°CJun 2, 2017
Daylight
18 h 21 min to 18 h 49 min
Cloud cover
65%
Humidity
81%
Dew point
10°C
Wind
13.7 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Jun 113°C9°C18°C 20095°C 199126%
Jun 214°C9°C23°C 20165°C 201727%
Jun 314°C9°C22°C 20135°C 201726%
Jun 414°C9°C21°C 20146°C 199327%
Jun 514°C10°C22°C 20195°C 200928%
Jun 614°C10°C21°C 20196°C 200929%
Jun 715°C10°C21°C 20196°C 199130%
Jun 815°C10°C21°C 20197°C 199330%
Jun 915°C10°C22°C 20077°C 200632%
Jun 1015°C10°C22°C 20117°C 200433%
Jun 1115°C11°C20°C 20117°C 200333%
Jun 1215°C11°C22°C 20117°C 200334%
Jun 1315°C11°C19°C 19958°C 200135%
Jun 1415°C11°C22°C 19958°C 199336%
Jun 1515°C11°C19°C 19997°C 199337%
Jun 1615°C11°C20°C 19998°C 199438%
Jun 1715°C11°C21°C 20207°C 200039%
Jun 1816°C11°C21°C 20067°C 200039%
Jun 1916°C12°C21°C 20208°C 199440%
Jun 2016°C12°C22°C 20199°C 201439%
Jun 2116°C12°C21°C 20008°C 201437%
Jun 2216°C12°C21°C 20008°C 201437%
Jun 2316°C12°C22°C 19997°C 201438%
Jun 2416°C12°C22°C 20208°C 199237%
Jun 2516°C12°C22°C 202010°C 199837%
Jun 2617°C13°C22°C 202010°C 199637%
Jun 2717°C13°C24°C 202010°C 199636%
Jun 2817°C13°C23°C 200910°C 199436%
Jun 2917°C13°C22°C 199910°C 199636%
Jun 3017°C13°C21°C 201110°C 201835%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Helsinki, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+3).

June 1
sunrise 4:08 AM, sunset 10:29 PM
June 30
sunrise 3:59 AM, sunset 10:48 PM

Every day of June: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.