San Lazzaro weather in January

In January, San Lazzaro sees average daytime highs of 8°C and overnight lows near 1°C, with 42 mm of precipitation across 7.2 wet days and about 9 hours of daylight. It is the 12th-warmest and 12th-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 36% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 42 min at the start of January to 9 h 30 min by month's end. Set against the rest of the year, January is San Lazzaro's 10th-clearest and 12th-windiest month. For the whole year in context, see San Lazzaro's year-round climate.

Daytime high
12th warmest
Overnight low
1st coldest
Precipitation
42 mm
7.2 wet days
Daylight
9 hours
7:54 AM – 4:54 PM
Cloud cover
57%
10th clearest
Wind
7 km/h
12th windiest
Solar energy
1.52 kWh/m²
Travel score
1.6
out of 10

San Lazzaro 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 San Lazzaro 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 4°C and 12°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
181
281
381
481
581
681
781
881
981
1081
1182
1282
1382
1481
1581
1681
1781
1881
1981
2081
2181
2281
2381
2481
2581
2691
2791
2891
2991
3091
3191

How January really feels in San Lazzaro

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.

San Lazzaro weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 427.21.691.6
Feb10° / 617.71.710.12.6
Mar15° / 598.10.611.64.8
Apr19° / 7210.10.113.26.1
May24° / 14°709.4014.67.0
Jun29° / 18°588015.36.1
Jul31° / 20°497.10154.8
Aug31° / 20°557.9013.95.1
Sep26° / 16°668.1012.37.1
Oct20° / 12°728.9010.76.4
Nov14° / 83100.49.43.9
Dec / 638.51.28.71.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
34951
44951
54852
64852
74951
84852
94852
104753
114753
124753
134753
144753
154753
164852
174852
184753
194753
204852
214852
224753
234753
244852
254852
264753
274753
284852
294852
304852
314852

Chance of precipitation in January

Any precipitationSnow

San Lazzaro gets around 42 mm of rain and snow over 7.2 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 24% and peaks near 27% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1265
2255
3255
4245
5234
6224
7224
8214
9214
10214
11214
12214
13214
14214
15225
16225
17235
18235
19245
20246
21256
22256
23256
24266
25266
26266
27266
28266
29266
30276
31276

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, the calmest month.

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 42 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 48 minutes over January. Sunrise moves from 7:57 AM to 7:43 AM, and sunset from 4:39 PM to 5:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.77:574:39
28.77:574:39
38.77:574:40
48.77:574:41
58.87:574:42
68.87:574:43
78.87:564:44
88.87:564:45
98.87:564:46
108.97:564:47
118.97:564:48
128.97:554:49
138.97:554:50
148.97:554:51
159.07:544:52
169.07:544:54
179.07:534:55
189.17:534:56
199.17:524:57
209.17:514:58
219.17:515:00
229.27:505:01
239.27:495:02
249.27:495:04
259.37:485:05
269.37:475:06
279.47:465:07
289.47:455:09
299.47:445:10
309.57:445:11
319.57:435:13

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.52 kWh/m².

For context, solar energy here swings from a low near 1.27 kWh/m² to a high of 6.71 kWh/m² in July across the year — January's 1.52 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.3Dim
41.3Dim
51.4Dim
61.4Dim
71.4Dim
81.4Dim
91.4Dim
101.4Dim
111.4Dim
121.4Dim
131.4Dim
141.5Dim
151.5Dim
161.5Dim
171.5Dim
181.5Dim
191.6Dim
201.6Dim
211.6Dim
221.6Dim
231.7Dim
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 San Lazzaro?

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

1.6
Sightseeing
12th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in San Lazzaro.

What to pack for San Lazzaro in January

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

In January, San Lazzaro sees daytime highs around 8°C and nights near 1°C. Pack a warm layer. About 7 days see rain.

a warm layer

UV index in San Lazzaro 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 San Lazzaro peaks around July 14 at about 8 (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 14UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr7High
May6High
Jun8Very high
Jul9Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in San Lazzaro 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 San Lazzaro is worst in March — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1919 µg/m³Sep 1213 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb17Moderate
Mar19Moderate
Apr18Moderate
May16Moderate
Jun16Moderate
Jul14Moderate
Aug14Moderate
Sep13Moderate
Oct15Moderate
Nov14Moderate
Dec16Moderate
Location & terrain

Where is San Lazzaro?

San Lazzaro sits at 44.5°N, 11.4°E, 66 m above sea level, in Italy. The nearest listed city is Bologna, 6.0 km away.

Topography around San Lazzaro

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

Within 3 km, the terrain around San Lazzaro has only modest variations in elevation — a maximum elevation change of 170 m around an average of 72 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 599 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,113 m.

The land around San Lazzaro is covered by trees (33%), artificial surfaces (30%) and cropland (25%) within 3 km, cropland (39%) and trees (31%) within 16 km, and cropland (38%) and trees (36%) within 80 km.

3 km
170 m
16 km
599 m
80 km
2,113 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Bologna 6.0 km · Casalecchio di Reno 11 km · Castel Maggiore 12 km · Zola Predosa 15 km · San Giovanni in Persiceto 26 km · Imola 27 km · Cento 31 km · Vignola 32 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 San Lazzaro (44.4705°, 11.4085°, elevation 66 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. 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).