Monthey climate

Monthey Weather in October

1991-2020 means of the daily record at Sion 2 (GHCN SZE00105086), 29 km from Monthey

Average highs run from 20°C on October 1 to 15°C on October 31, and lows from 9°C to 3°C. Normal precipitation for the month is 43 mm over about 12 wet days.

October day by day

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

Normal daily high and low temperature at Monthey, in °C, with the record for each date.-100102030151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
17°C
Average low
6°C
Precipitation
43 mm
Record high
27°COct 12, 1967
Record low
-5°COct 30, 1955
Daylight
11 h 41 min to 10 h 07 min
Cloud cover
67%
Humidity
80%
Dew point
5°C
Wind
8.6 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
Oct 120°C9°C25°C 20110°C 197848%
Oct 220°C9°C26°C 1985-1°C 197847%
Oct 319°C8°C26°C 19850°C 195747%
Oct 419°C8°C27°C 19660°C 195746%
Oct 519°C7°C27°C 19661°C 197845%
Oct 618°C8°C25°C 20011°C 197846%
Oct 718°C7°C27°C 20091°C 198245%
Oct 818°C8°C27°C 1966-2°C 195544%
Oct 919°C8°C26°C 2014-2°C 195643%
Oct 1018°C8°C25°C 2023-3°C 195643%
Oct 1118°C7°C26°C 1970-2°C 195642%
Oct 1218°C7°C27°C 19670°C 195541%
Oct 1318°C6°C25°C 2023-2°C 196039%
Oct 1418°C7°C25°C 1966-1°C 195638%
Oct 1517°C6°C24°C 1990-2°C 200938%
Oct 1617°C6°C25°C 1967-1°C 200938%
Oct 1717°C6°C27°C 19670°C 200939%
Oct 1817°C5°C23°C 2022-3°C 196039%
Oct 1916°C5°C24°C 2001-3°C 200939%
Oct 2017°C5°C25°C 2001-3°C 200939%
Oct 2116°C6°C24°C 1969-2°C 196138%
Oct 2216°C5°C24°C 1989-2°C 200740%
Oct 2314°C5°C25°C 1989-3°C 198140%
Oct 2415°C4°C23°C 1971-3°C 195740%
Oct 2516°C5°C22°C 2013-3°C 198139%
Oct 2616°C5°C22°C 2006-3°C 200340%
Oct 2715°C4°C24°C 1989-2°C 198540%
Oct 2815°C4°C24°C 2013-2°C 198541%
Oct 2914°C4°C22°C 2022-3°C 198542%
Oct 3014°C3°C22°C 2022-5°C 195542%
Oct 3115°C3°C23°C 2022-5°C 199742%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Monthey, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+2).

October 1
sunrise 7:31 AM, sunset 7:12 PM
October 31
sunrise 7:12 AM, sunset 5:19 PM

Every day of October: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station SZE00105086, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.