Seinäjoki climate

Seinäjoki Weather in August

1991-2020 means of the daily record at Kauhava Lentokentta (GHCN FIE00144407), 36 km from Seinäjoki

Average highs run from 22°C on August 1 to 17°C on August 31, and lows from 11°C to 7°C. Normal precipitation for the month is 58 mm over about 15 wet days.

August day by day

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

Normal daily high and low temperature at Seinäjoki, in °C, with the record for each date.-10010203040151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
20°C
Average low
9°C
Precipitation
58 mm
Record high
31°CAug 1, 1963
Record low
-3°CAug 27, 1970
Daylight
17 h 32 min to 14 h 32 min
Cloud cover
65%
Humidity
85%
Dew point
12°C
Wind
7.2 km/h

Every day of the month

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

DateNormal highNormal lowRecord highRecord lowChance wet
Aug 122°C11°C31°C 19632°C 198350%
Aug 222°C11°C31°C 19631°C 197650%
Aug 322°C10°C28°C 19672°C 200151%
Aug 422°C11°C30°C 19672°C 198252%
Aug 522°C10°C29°C 20062°C 196052%
Aug 622°C10°C28°C 19691°C 197652%
Aug 722°C10°C30°C 20230°C 199951%
Aug 822°C10°C29°C 20200°C 199950%
Aug 922°C10°C28°C 20180°C 199949%
Aug 1021°C11°C29°C 2018-1°C 197549%
Aug 1121°C10°C29°C 19921°C 195949%
Aug 1220°C9°C28°C 19692°C 198749%
Aug 1320°C10°C28°C 19690°C 197548%
Aug 1420°C9°C29°C 20100°C 196449%
Aug 1520°C9°C27°C 1959-1°C 198348%
Aug 1620°C9°C30°C 2022-1°C 197849%
Aug 1720°C10°C27°C 19730°C 199448%
Aug 1820°C9°C27°C 19790°C 198448%
Aug 1921°C9°C28°C 20020°C 197647%
Aug 2020°C9°C29°C 20020°C 200948%
Aug 2120°C9°C27°C 2002-1°C 197650%
Aug 2220°C9°C28°C 1959-1°C 199950%
Aug 2319°C9°C28°C 19590°C 199950%
Aug 2420°C8°C28°C 20021°C 196649%
Aug 2520°C8°C27°C 2002-1°C 198750%
Aug 2619°C8°C27°C 1997-2°C 198449%
Aug 2718°C10°C27°C 2019-3°C 197047%
Aug 2818°C10°C27°C 2019-3°C 198948%
Aug 2918°C8°C27°C 2019-1°C 196448%
Aug 3017°C8°C25°C 1997-2°C 198947%
Aug 3117°C7°C24°C 1996-3°C 198046%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Seinäjoki, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

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

August 1
sunrise 4:48 AM, sunset 10:20 PM
August 31
sunrise 6:12 AM, sunset 8:44 PM

Every day of August: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station FIE00144407, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.