Aosta weather in July

In July, Aosta sees average daytime highs of 16°C and overnight lows near 7°C, with 95 mm of precipitation across 15.7 wet days and about 15.1 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 16°C through the month. The sky is clear or mostly clear about 35% of the time in July, and the air most often feels dry.

Daylight stretches from about 15 h 30 min at the start of July to 14 h 42 min by month's end. Set against the rest of the year, July is Aosta's 1st-clearest and 3rd-windiest month. For the whole year in context, see Aosta's year-round climate.

Daytime high
16°
1st warmest
Overnight low
12th coldest
Precipitation
95 mm
15.7 wet days
Daylight
15 h 12 min
5:01 AM – 8:12 PM
Cloud cover
52%
1st clearest
Wind
4 km/h
3rd windiest
Solar energy
5.96 kWh/m²
Travel score
4.6
out of 10
Air quality
Moderate
PM2.5 10.5 µg/m³ · 2019

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 16°C through the month.

A typical July day in Aosta reaches about 16°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 20°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1166
2166
3166
4166
5166
6166
7166
8166
9166
10166
11166
12166
13166
14166
15166
16167
17167
18167
19167
20167
21177
22177
23177
24177
25177
26177
27177
28177
29177
30177
31177

How July really feels in Aosta

Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Aosta weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-6° / -12°10011.912.88.90.0
Feb-4° / -12°7910.91210.10.0
Mar / -8°881213.211.60.0
Apr / -4°971313.313.30.0
May / 11216.38.214.71.1
Jun13° / 10516.72.315.43.3
Jul16° / 9515.70.815.14.6
Aug16° / 8713.90.713.94.6
Sep12° / 8912.72.912.32.9
Oct / -1°9812.47.910.70.7
Nov-0° / -7°12413.313.69.30.0
Dec-5° / -11°11012.713.68.50.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 24% of July, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45842
55842
65842
75743
85743
95743
105842
115941
125941
135941
146040
156040
166040
176040
186139
196139
206139
216238
226238
236238
246238
256238
266139
276040
286040
296040
306040
316040

Chance of precipitation in July

Any precipitationSnow

Aosta gets around 95 mm of rain and snow over 15.7 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 50% and peaks near 53% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1523
2533
3533
4533
5534
6534
7534
8524
9524
10514
11504
12494
13494
14484
15484
16484
17484
18483
19483
20482
21482
22482
23491
24491
25491
26501
27501
28500
29500
30500
31500

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July 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 July

Winds average 4 km/h in July.

Across July, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 30 min at the start of July to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over July. Sunrise moves from 4:50 AM to 5:17 AM, and sunset from 8:18 PM to 7:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.54:508:18
215.54:508:18
315.54:518:18
415.44:518:18
515.44:528:18
615.44:538:17
715.44:538:17
815.44:548:16
915.44:558:16
1015.34:568:16
1115.34:568:15
1215.34:578:15
1315.34:588:14
1415.24:598:13
1515.25:008:13
1615.25:018:12
1715.25:028:11
1815.15:038:10
1915.15:048:10
2015.15:058:09
2115.05:068:08
2215.05:078:07
2315.05:088:06
2414.95:098:05
2514.95:108:04
2614.95:118:03
2714.85:128:02
2814.85:138:01
2914.85:147:59
3014.75:157:58
3114.75:177:57

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.96 kWh/m².

For context, solar energy here swings from a low near 1.55 kWh/m² to a high of 6.01 kWh/m² in June across the year — July's 5.96 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.0Intense
86.0Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Bright
186.0Bright
196.0Bright
206.0Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in July

Is July a good time to visit Aosta?

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

4.6
Sightseeing
1st-best month of the year
Beach & pool
never really warm enough

July is a reasonable time to visit Aosta for sightseeing.

What to pack for Aosta in July

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

In July, Aosta sees daytime highs around 16°C and nights near 7°C. Pack rain gear. Worth having: a warm layer and sun protection. About 16 days see rain.

rain geara warm layersun protection

UV index in Aosta in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aosta peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 15UV 10Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr8Very high
May9Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low
Location & terrain

Where is Aosta?

Aosta sits at 45.7°N, 7.3°E, 583 m above sea level, in Italy. The nearest listed city is Chamonix, 40 km away.

Topography around Aosta

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

Within 3 km, the terrain around Aosta has large variations in elevation — a maximum elevation change of 983 m around an average of 764 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,150 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,625 m.

The land around Aosta is covered by trees (48%), grassland (27%) and artificial surfaces (23%) within 3 km, trees (48%) and grassland (35%) within 16 km, and trees (42%) and grassland (32%) within 80 km.

3 km
983 m
16 km
3,150 m
80 km
4,625 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
July weather nearby: Chamonix 40 km · Martigny-Ville 45 km · Zermatt 46 km · Ivrea 53 km · Sitten 55 km · Sallanches 58 km · Ciriè 60 km · Biella 61 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 Aosta (45.7376°, 7.3172°, elevation 583 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).