Mariehamn Arpt

Weather station · 60.1°N 19.9°E · 6 m above sea level

ICAO EFMAWMO 02970Station data since 1959

Right now13.0°C07:50 UTC · 49 min agoSource: NOAA METAR

Today so far13.0°/1.0°High at 07:50 UTC · low at 02:50 UTCSource: NOAA METAR and SYNOP

All-time record high31.0°CSunday, 28 July 2019 · highest in available records since 1959Source: NOAA GHCN-Daily

All-time record low−32.9°CThursday, 15 February 1979 · lowest in available records since 1959Source: NOAA GHCN-Daily

On this day · 23 September

Record high

17.7°C

in 2006

Record low

−1.2°C

in 1979

Average high

13.4°C

all years on record

Record watch

4.7°C short of the record for 23 September

Today’s high 13.0°C against 17.7°C in 2006. A reading that beats it is flagged here automatically, once a second cycle confirms it.

All-time record high

31.0°C

Date: Sunday, 28 July 2019
Time of day: Not recorded. The daily archive stores the day, not the hour.
Location: Mariehamn Arpt, Finland
Position: 60.13°N 19.90°E · 6 m

Highest highest in available records since 1959. Source: NOAA GHCN-Daily.

All-time record low

−32.9°C

Date: Thursday, 15 February 1979
Time of day: Not recorded. The daily archive stores the day, not the hour.
Location: Mariehamn Arpt, Finland
Position: 60.13°N 19.90°E · 6 m

Highest and lowest lowest in available records since 1959. Source: NOAA GHCN-Daily.

Where Mariehamn Arpt is

60.13°N 19.90°E

Every year on record

1959 to 2026

Annual average · °C

Trend over 61 years with data: +0.36 °C per decade

Source: NOAA GHCN-Daily. Years the station did not cover are left as gaps, never joined across. The dashed line is a least squares trend through the years that have data.

Records by month

Jan

10.9°

−32.3°

Feb

10.4°

−32.9°

Mar

17.0°

−25.0°

Apr

21.1°

−18.9°

May

27.1°

−6.5°

Jun

29.4°

−2.2°

Jul

31.0°

1.2°

Aug

30.7°

0.5°

Sep

25.7°

Recent days

Daily highest and lowest air temperature at Mariehamn Arpt, most recent first.
Day	High	At	Low	At
2026-09-23	13.0°C	07:50 UTC	1.0°C	02:50 UTC
2026-09-22	14.0°C	15:20 UTC	3.0°C	21:20 UTC

Nearby stations

Data sources for this page

Where each figure on this page comes from.
Figure	Source	Type
Right now, today so far	NOAA Aviation Weather Center (METAR) and NOAA NWS WMO bulletins (SYNOP)	Measured, station
All-time, monthly and on-this-day records	NOAA NCEI Global Historical Climatology Network daily (GHCN-Daily), 1959 to 2026	Measured, station
Nearby stations and distances	Computed from station positions in our own database	Calculated