Sion Weather History Switzerland

Weather History Form

Past date: Past date must be from 1st Jan, 2009 onwards.

Buy Weather Data

Daily and hourly data from 1 Jan 2009 onwards.
Yearly Monthly Averages
Monthly Climate Data
CSV format

Find out more»

Thu 22 Jan, 2026 Weather in Sion

Sunrise: 08:04 AM Sunset: 05:21 PM	Moonrise: 09:50 AM Moonset: 09:34 PM	Max: 0.4 °c	Min: -7.3 °c	Avg: -4.4 °c	Precip: 0.00 mm	Max Wind: 9.7 kph

	Thu 22 0:00 am	Thu 22 3:00 am	Thu 22 6:00 am	Thu 22 9:00 am	Thu 22 12:00 pm	Thu 22 3:00 pm	Thu 22 6:00 pm	Thu 22 9:00 pm
Icon
Temp	-6.8°c	-7.2°c	-6.7°c	-5.1°c	-0.2°c	0.3°c	-3.9°c	-5.7°c
Wind	9.7 kmph	9.0 kmph	8.3 kmph	8.3 kmph	4.3 kmph	1.4 kmph	0.4 kmph	5.4 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	5%	14%	35%	100%	73%	100%	100%	75%
Humidity	75%	75%	74%	72%	63%	72%	89%	89%
Pressure	1006 mb	1005 mb	1004 mb	1003 mb	999 mb	999 mb	1002 mb	1004 mb

Sion Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	0°C / 32°F	-8°C / 18°F	-4°C / 25°F	147 hours	159.63 mm / 6.28 In	14 days	1020 mb / 31 In
February	2°C / 36°F	-6°C / 21°F	-2°C / 28°F	123 hours	108.50 mm / 4.27 In	11 days	1019 mb / 31 In
March	5°C / 41°F	-3°C / 26°F	1°C / 34°F	145 hours	114.96 mm / 4.53 In	12 days	1017 mb / 31 In
April	9°C / 48°F	1°C / 34°F	5°C / 41°F	145 hours	129.20 mm / 5.09 In	12 days	1015 mb / 30 In
May	13°C / 55°F	5°C / 40°F	9°C / 48°F	131 hours	232.57 mm / 9.16 In	17 days	1016 mb / 30 In
June	19°C / 66°F	9°C / 49°F	14°C / 57°F	167 hours	194.22 mm / 7.65 In	15 days	1017 mb / 31 In
July	21°C / 70°F	11°C / 52°F	16°C / 61°F	191 hours	204.73 mm / 8.06 In	14 days	1017 mb / 31 In
August	21°C / 70°F	11°C / 52°F	16°C / 61°F	219 hours	189.50 mm / 7.46 In	12 days	1018 mb / 31 In
September	17°C / 62°F	8°C / 46°F	12°C / 53°F	194 hours	130.64 mm / 5.14 In	10 days	1018 mb / 31 In
October	12°C / 54°F	4°C / 39°F	8°C / 46°F	208 hours	123.51 mm / 4.86 In	9 days	1019 mb / 31 In
November	6°C / 42°F	-2°C / 29°F	2°C / 36°F	170 hours	157.34 mm / 6.19 In	11 days	1017 mb / 31 In
December	1°C / 34°F	-6°C / 21°F	-3°C / 27°F	162 hours	175.98 mm / 6.93 In	14 days	1021 mb / 31 In

Hotels Near Sion

Cities Near Sion

Sion	Saviese	Conthey
Thyon	Nendaz	Sierre
Bagnes	Risch	Fully
Martigny	Bex	Ollon
Saanen	Monthey	Aigle
Zermatt	Visp	Montreux
Blonay	La Tour-De-Peilz	Frutigen
Vevey	Bulle	Morzine
Naters	Chamonix-Mont-Blanc	Aosta
Spiez	Ecublens	Lutry

Quick and Easy Signup for Weather API

WeatherAPI.com makes it super easy to integrate our realtime, daily, hourly and 15 min interval weather forecast data, historical weather, marine weather, bulk request, air quality data, pollen, evapotranspiration, autocomplete, time zone, astronomy and sports data into your new or existing project.

Get Started