Tortona weather in January

In January, Tortona sees average daytime highs of 8°C and overnight lows near 1°C, with 56 mm of precipitation across 7.1 wet days and about 9 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 8°C through the month. The sky is clear or mostly clear about 35% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 36 min at the start of January to 9 h 30 min by month's end. Set against the rest of the year, January is Tortona's 9th-clearest and 11th-windiest month. For the whole year in context, see Tortona's year-round climate.

Daytime high
12th warmest
Overnight low
1st coldest
Precipitation
56 mm
7.1 wet days
Daylight
9 hours
8:05 AM – 5:02 PM
Cloud cover
59%
9th clearest
Wind
5 km/h
11th windiest
Solar energy
1.49 kWh/m²
Travel score
1.3
out of 10

Tortona is chief town of the homonym municipality.

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 8°C through the month.

A typical January day in Tortona reaches about 8°C in the afternoon and slips back to 1°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 12°C. Set against its neighbours, January runs on par with December and about 3°C cooler than February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
171
271
371
471
571
671
771
871
971
1071
1171
1271
1381
1481
1581
1681
1781
1881
1981
2081
2181
2281
2381
2481
2581
2681
2781
2881
2981
3091
3191

How January really feels in Tortona

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.

Tortona weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 567.12.791.3
Feb10° / 536.31.610.12.6
Mar15° / 587.20.611.65.0
Apr19° / 7190.113.26.2
May23° / 14°668.6014.67.0
Jun28° / 18°476.8015.36.5
Jul31° / 20°345015.15.2
Aug30° / 20°436.4013.95.4
Sep25° / 16°737.4012.37.2
Oct19° / 11°929.3010.76.0
Nov12° / 11310.10.49.43.3
Dec / 6782.48.71.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34555
44555
54555
64555
74456
84456
94456
104456
114357
124258
134258
144357
154456
164456
174555
184654
194654
204753
214951
224951
234951
244852
254852
264951
274951
284951
294951
304951
314951

Chance of precipitation in January

Any precipitationSnow

Tortona gets around 56 mm of rain and snow over 7.1 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 23% and peaks near 25% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1259
2259
3259
4259
5259
6258
7258
8258
9248
10248
11247
12247
13247
14237
15237
16237
17237
18228
19228
20228
21228
22229
23229
24229
25229
26229
27239
28239
29239
30239
31249

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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 36 min at the start of January to 9 h 30 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 8:08 AM to 7:54 AM, and sunset from 4:47 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.68:084:47
28.78:084:48
38.78:084:49
48.78:084:50
58.78:084:51
68.78:084:52
78.78:084:53
88.88:084:54
98.88:084:55
108.88:084:56
118.88:074:57
128.88:074:58
138.98:074:59
148.98:065:00
158.98:065:01
169.08:055:02
179.08:055:04
189.08:045:05
199.08:045:06
209.18:035:07
219.18:025:09
229.18:025:10
239.28:015:11
249.28:005:12
259.27:595:14
269.37:595:15
279.37:585:16
289.37:575:18
299.47:565:19
309.47:555:20
319.57:545:22

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.49 kWh/m².

For context, solar energy here swings from a low near 1.21 kWh/m² to a high of 6.47 kWh/m² in July across the year — January's 1.49 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.3Dim
41.3Dim
51.3Dim
61.3Dim
71.3Dim
81.3Dim
91.3Dim
101.3Dim
111.4Dim
121.4Dim
131.4Dim
141.4Dim
151.4Dim
161.5Dim
171.5Dim
181.5Dim
191.5Dim
201.6Dim
211.6Dim
221.6Dim
231.6Dim
241.7Dim
251.7Dim
261.7Dim
271.8Dim
281.8Dim
291.8Dim
301.9Dim
311.9Dim
Planning a trip in January

Is January a good time to visit Tortona?

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

1.3
Sightseeing
12th-best month of the year
0.0
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Tortona.

What to pack for Tortona in January

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

In January, Tortona sees daytime highs around 8°C and nights near 1°C. Pack a warm layer. Worth having: a heavy coat. About 7 days see rain.

a warm layera heavy coat

Sea temperature near Tortona in January

The nearest coast averages about 14°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 58 km away) is warmest in August at about 25°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 3 to Oct 19 — about 4.6 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Bracing
May18Cool
Jun22Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct20Refreshing
Nov18Cool
Dec16Cool

UV index in Tortona 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 Tortona peaks around July 14 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 14UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7High
May6High
Jun8Very high
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Tortona in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Tortona is worst in January — around 26 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1726 µg/m³Aug 1617 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb23Moderate
Mar26Moderate
Apr23Moderate
May20Moderate
Jun21Moderate
Jul18Moderate
Aug17Moderate
Sep18Moderate
Oct20Moderate
Nov20Moderate
Dec22Moderate
Location & terrain

Where is Tortona?

Tortona sits at 44.9°N, 8.9°E, 122 m above sea level, in Italy. The nearest listed city is Voghera, 16 km away.

Topography around Tortona

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

Within 3 km, the terrain around Tortona has only modest variations in elevation — a maximum elevation change of 162 m around an average of 130 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 597 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,776 m.

The land around Tortona is covered by cropland (42%) and artificial surfaces (22%) within 3 km, cropland (59%) within 16 km, and trees (41%) and cropland (34%) within 80 km.

3 km
162 m
16 km
597 m
80 km
1,776 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Voghera 16 km · Novi Ligure 16 km · Alessandria 20 km · Valenza 21 km · Acqui Terme 40 km · Pavia 40 km · Casale Monferrato 42 km · Vigevano 46 km

Italy travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
230 V · 50 Hz
Prices
≈ 69% of US
price level, 2025
GDP per capita
$43,309
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 513
Religion
Christian 81%unaffiliated 13%Muslim 5%other 1%

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 Tortona (44.8978°, 8.8637°, elevation 122 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).