Monthey weather in January

In January, Monthey sees average daytime highs of -2°C and overnight lows near -10°C, with 133 mm of precipitation across 12.8 wet days and about 8.8 hours of daylight. It is the 12th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near -2°C through the month. The sky is clear or mostly clear about 34% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 30 min at the start of January to 9 h 18 min by month's end. Set against the rest of the year, January is Monthey's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Monthey's year-round climate.

Daytime high
-2°
12th warmest
Overnight low
-10°
1st coldest
Precipitation
133 mm
12.8 wet days
Daylight
8 h 48 min
8:18 AM – 5:05 PM
Cloud cover
58%
3rd clearest
Wind
5 km/h
2nd windiest
Solar energy
1.58 kWh/m²
Travel score
0.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -2°C through the month.

A typical January day in Monthey reaches about -2°C in the afternoon and slips back to -10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between -7°C and 3°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

-20°-15°-10°-5°151015202531
Avg high (°C)Avg low (°C)
1-2-10
2-2-10
3-2-10
4-2-10
5-2-10
6-2-10
7-2-10
8-2-10
9-2-10
10-2-10
11-2-10
12-2-10
13-2-10
14-2-10
15-2-10
16-2-10
17-2-10
18-2-10
19-2-10
20-2-10
21-2-10
22-1-10
23-1-10
24-1-10
25-1-10
26-1-10
27-1-10
28-1-10
29-1-10
30-1-10
31-1-10

How January really feels in Monthey

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
31 feel bitter (≤ -10°C)

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Monthey weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -10°13312.812.58.80.0
Feb / -9°11711.611.4100.0
Mar / -5°12013.611.511.60.1
Apr / -1°123159.113.31.3
May13° / 19319.73.714.72.9
Jun17° / 20119.40.515.54.3
Jul19° / 20618.90.115.25.0
Aug19° / 19417.40.1145.1
Sep15° / 140151.312.34.0
Oct11° / 12013.4410.72.4
Nov / -5°12913.39.99.20.2
Dec-1° / -9°15013.212.58.50.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54258
64357
74456
84555
94555
104654
114654
124753
134753
144753
154753
164951
174951
184852
194852
204951
214951
224852
234852
244852
254852
264753
274852
284753
294753
304753
314654

Chance of precipitation in January

Any precipitationSnow

Monthey gets around 133 mm of rain and snow over 12.8 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 41% and peaks near 44% on the wettest days, and about 13 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14443
24442
34442
44342
54341
64341
74240
84139
94139
104038
114038
123938
133938
143938
153938
163939
174039
184039
194039
204040
214040
224040
234041
244040
254040
264040
274040
284039
294039
304039
314039

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 30 min at the start of January to 9 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 8:21 AM to 8:05 AM, and sunset from 4:50 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.58:214:50
28.58:214:50
38.58:214:51
48.58:214:52
58.58:214:53
68.68:214:54
78.68:214:55
88.68:214:56
98.68:204:57
108.68:204:58
118.78:204:59
128.78:195:01
138.78:195:02
148.78:195:03
158.88:185:04
168.88:185:05
178.88:175:07
188.98:165:08
198.98:165:09
208.98:155:10
219.08:145:12
229.08:145:13
239.08:135:14
249.18:125:16
259.18:115:17
269.18:105:19
279.28:095:20
289.28:085:21
299.38:075:23
309.38:065:24
319.38:055:26

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.58 kWh/m².

For context, solar energy here swings from a low near 1.28 kWh/m² to a high of 5.84 kWh/m² in June across the year — January's 1.58 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.3Dim
41.4Dim
51.4Dim
61.4Dim
71.4Dim
81.4Dim
91.4Dim
101.4Dim
111.5Dim
121.5Dim
131.5Dim
141.5Dim
151.6Dim
161.6Dim
171.6Dim
181.6Dim
191.6Dim
201.7Dim
211.7Dim
221.7Dim
231.8Dim
241.8Dim
251.8Dim
261.8Dim
271.9Dim
281.9Dim
291.9Dim
302.0Dim
312.0Moderate
Planning a trip in January

Is January a good time to visit Monthey?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
6th-best month of the year

January is a weaker month for outdoor sightseeing in Monthey.

What to pack for Monthey in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Monthey sees daytime highs around -2°C and nights near -10°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 13 days see rain.

a warm layera heavy coatrain gear

UV index in Monthey in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Monthey peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5Moderate
May7High
Jun8Very high
Jul9Very high
Aug7High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Monthey?

Monthey sits at 46.3°N, 7.0°E, 413 m above sea level, in Switzerland. The nearest listed city is Martigny-Ville, 19 km away.

Martigny-VilleMontreuxVeveySittenClusesPullyChamonixLausanne

Topography around Monthey

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Monthey.

Within 3 km, the terrain around Monthey has large variations in elevation — a maximum elevation change of 1,057 m around an average of 593 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,844 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,464 m.

The land around Monthey is covered by trees (52%) within 3 km, trees (49%) and grassland (35%) within 16 km, and trees (40%) and grassland (33%) within 80 km.

3 km
1,057 m
16 km
2,844 m
80 km
4,464 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
January weather nearby: Martigny-Ville 19 km · Montreux 20 km · Vevey 25 km · Sitten 31 km · Cluses 36 km · Pully 36 km · Chamonix 37 km · Lausanne 38 km

Switzerland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / J
230 V · 50 Hz
Prices
≈ 112% of US
price level, 2025
GDP per capita
$114,769
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
2.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 564
Religion
Roman Catholic 34%none 29%Protestant 23%other Christian 6%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Monthey (46.2545°, 6.9541°, elevation 413 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).