Uster weather in January

In January, Uster sees average daytime highs of 3°C and overnight lows near -2°C, with 104 mm of precipitation across 12.8 wet days and about 8.7 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 3°C through the month. The sky is clear or mostly clear about 27% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 18 min at the start of January to 9 h 12 min by month's end. Set against the rest of the year, January is Uster's 7th-clearest and 4th-windiest month. For the whole year in context, see Uster's year-round climate.

Daytime high
12th warmest
Overnight low
-2°
2nd coldest
Precipitation
104 mm
12.8 wet days
Daylight
8 h 42 min
8:15 AM – 4:54 PM
Cloud cover
63%
7th clearest
Wind
7 km/h
4th windiest
Solar energy
1.36 kWh/m²
Travel score
0.0
out of 10

Uster is city in the canton of Zürich, Switzerland.

Density
1,218/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 3°C through the month.

A typical January day in Uster reaches about 3°C in the afternoon and slips back to -2°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 8°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
13-2
23-2
33-2
43-2
53-2
63-2
73-2
83-2
93-2
103-2
113-2
123-2
133-2
143-2
153-2
163-2
173-2
183-2
193-3
203-3
213-3
223-3
233-3
243-3
253-3
263-3
273-3
283-3
293-3
303-3
313-3

How January really feels in Uster

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
wind chill below the day's low

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

Uster weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°10412.8108.70.0
Feb / -3°94129.89.90.0
Mar / 11014.88.511.61.4
Apr13° / 11615.15.513.32.9
May17° / 16418.11.214.84.3
Jun20° / 11°16817.50.115.75.2
Jul22° / 13°15716.6015.35.8
Aug22° / 13°16515.2014.15.9
Sep18° / 10°13413.50.312.45.1
Oct13° / 10812.82.210.63.4
Nov / 11513.16.39.10.9
Dec / -1°11914.39.78.30.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
23961
33961
43961
53961
63961
74060
84060
93961
104060
114159
124159
134258
144258
154258
164258
174258
184258
194258
204258
214357
224258
234159
244159
254159
264159
273961
283961
294060
304060
313862

Chance of precipitation in January

Any precipitationSnow

Uster gets around 104 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 46% on the wettest days, and about 10 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14631
24530
34530
44429
54429
64329
74328
84228
94228
104128
114028
124029
134029
144030
154031
164032
174032
184033
194034
204035
214035
224036
234036
244136
254136
264136
274036
284036
294036
304036
314036

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 7 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 18 min at the start of January to 9 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over January. Sunrise moves from 8:19 AM to 8:02 AM, and sunset from 4:38 PM to 5:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.38:194:38
28.38:194:39
38.48:194:40
48.48:194:41
58.48:184:42
68.48:184:43
78.48:184:44
88.48:184:45
98.58:184:46
108.58:174:47
118.58:174:48
128.58:174:49
138.68:164:51
148.68:164:52
158.68:154:53
168.78:154:54
178.78:144:56
188.78:134:57
198.88:134:58
208.88:125:00
218.88:115:01
228.98:105:02
238.98:105:04
248.98:095:05
259.08:085:07
269.08:075:08
279.18:065:09
289.18:055:11
299.18:045:12
309.28:035:14
319.28:025:15

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.36 kWh/m².

For context, solar energy here swings from a low near 1.08 kWh/m² to a high of 5.64 kWh/m² in June across the year — January's 1.36 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.1Dim
21.1Dim
31.1Dim
41.1Dim
51.2Dim
61.2Dim
71.2Dim
81.2Dim
91.2Dim
101.2Dim
111.3Dim
121.3Dim
131.3Dim
141.3Dim
151.3Dim
161.4Dim
171.4Dim
181.4Dim
191.4Dim
201.4Dim
211.5Dim
221.5Dim
231.5Dim
241.5Dim
251.6Dim
261.6Dim
271.6Dim
281.6Dim
291.7Dim
301.7Dim
311.7Dim
Planning a trip in January

Is January a good time to visit Uster?

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
8th-best month of the year

January is a weaker month for outdoor sightseeing in Uster.

What to pack for Uster in January

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

In January, Uster sees daytime highs around 3°C and nights near -2°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 Uster 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 Uster peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5Moderate
May7High
Jun7Very high
Jul8Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Uster?

Uster sits at 47.3°N, 8.7°E, 469 m above sea level, in Switzerland. The nearest listed city is Wetzikon, 6.0 km away.

Topography around Uster

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

Within 3 km, the terrain around Uster has only modest variations in elevation — a maximum elevation change of 169 m around an average of 482 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 712 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,310 m.

The land around Uster is covered by trees (36%) and grassland (23%) within 3 km, trees (42%) and grassland (25%) within 16 km, and trees (44%) and grassland (33%) within 80 km.

3 km
169 m
16 km
712 m
80 km
3,310 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewater
January weather nearby: Wetzikon 6.0 km · Dübendorf 10 km · Zürich (Kreis 7) 11 km · Zürich (Kreis 8) 12 km · Zürich (Kreis 12) 13 km · Zurich 13 km · Horgen 13 km · Zürich (Kreis 6) 14 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 Uster (47.3471°, 8.7209°, elevation 469 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).