Blois weather in July

In July, Blois sees average daytime highs of 26°C and overnight lows near 15°C, with 48 mm of rain across 8.1 wet days and about 15.4 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 26°C by the end. The sky is clear or mostly clear about 27% of the time in July, and the air most often feels dry.

Daylight stretches from about 15 h 42 min at the start of July to 14 h 54 min by month's end. Set against the rest of the year, July is Blois's 2nd-clearest and 11th-windiest month. For the whole year in context, see Blois's year-round climate.

Daytime high
26°
1st warmest
Overnight low
15°
12th coldest
Rainfall
48 mm
8.1 wet days
Daylight
15 h 24 min
5:18 AM – 8:43 PM
Cloud cover
59%
2nd clearest
Wind
12 km/h
11th windiest
Solar energy
5.67 kWh/m²
Travel score
7.1
out of 10

Blois is French commune and city in Loir-et-Cher, Centre-Val de Loire.

Air quality
Excellent
PM10 14.2 µg/m³ · 2019
Density
1,432/km²
people per km²

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 26°C by the end.

A typical July day in Blois reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 31°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12514
22514
32514
42514
52514
62514
72514
82514
92514
102515
112515
122515
132515
142515
152615
162615
172615
182615
192615
202615
212615
222615
232615
242615
252615
262615
272615
282615
292615
302615
312615

How July really feels in Blois

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.

Blois weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5911.20.88.71.1
Feb / 489.81.19.91.6
Mar13° / 52100.311.63.4
Apr16° / 5410.6013.34.7
May19° / 10°6911.4014.95.8
Jun23° / 13°488.5015.76.8
Jul26° / 15°488.1015.47.1
Aug26° / 15°498.2014.17.0
Sep22° / 12°487.8012.46.8
Oct17° / 6711010.65.0
Nov11° / 6511.50.19.12.6
Dec / 6911.80.78.31.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 19% of July, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34258
44258
54258
64357
74357
84456
94456
104654
114654
124753
134852
144852
154852
164951
174951
184951
194951
204852
214852
224852
234753
244654
254555
264555
274555
284555
294555
304555
314555

Chance of precipitation in July

Any precipitation

Blois gets around 48 mm of rain over 8.1 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
229
329
429
529
629
729
828
928
1027
1126
1225
1325
1424
1523
1623
1723
1823
1923
2023
2123
2223
2323
2423
2523
2623
2723
2824
2924
3024
3125

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 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15235121
25136121
35037121
45038121
54938111
64939111
74939111
84839111
94840111
104840111
114840121
124839121
134739121
144739131
154739131
164639141
174539152
184439152
194339162
204239162
214239172
224140172
234040173
244040183
254040183
263940183
273940183
283940183
293841183
303841183
313840183

Wind in July

Winds average 12 km/h in July.

Across July, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 42 min at the start of July to 14 h 54 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 5:06 AM to 5:35 AM, and sunset from 8:50 PM to 8:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.75:068:50
215.75:078:50
315.75:078:50
415.75:088:49
515.75:098:49
615.75:098:49
715.65:108:48
815.65:118:48
915.65:128:47
1015.65:128:47
1115.65:138:46
1215.55:148:46
1315.55:158:45
1415.55:168:44
1515.45:178:44
1615.45:188:43
1715.45:198:42
1815.45:208:41
1915.35:218:40
2015.35:228:39
2115.35:238:38
2215.25:248:37
2315.25:258:36
2415.15:268:35
2515.15:288:34
2615.15:298:33
2715.05:308:32
2815.05:318:31
2914.95:328:29
3014.95:348:28
3114.95:358:27

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.67 kWh/m².

For context, solar energy here swings from a low near 0.89 kWh/m² to a high of 5.74 kWh/m² in June across the year — July's 5.67 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
315.5Bright
Planning a trip in July

Is July a good time to visit Blois?

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

7.1
Sightseeing
1st-best month of the year
6.6
Beach & pool
1st-best month of the year

July is one of the better times to visit Blois for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Blois in July

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

In July, Blois sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Blois in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Blois peaks around July 24 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 24UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun7High
Jul7High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Blois?

Blois sits at 47.6°N, 1.3°E, 109 m above sea level, in France. The nearest listed city is Vendôme, 30 km away.

Topography around Blois

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

Within 3 km, the terrain around Blois has only modest variations in elevation — a maximum elevation change of 98 m around an average of 97 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 119 m; within 80 km, significant variations in elevation — a maximum elevation change of 265 m.

The land around Blois is covered by artificial surfaces (41%) and trees (23%) within 3 km, cropland (45%) and trees (35%) within 16 km, and cropland (49%) and trees (37%) within 80 km.

3 km
98 m
16 km
119 m
80 km
265 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Vendôme 30 km · Romorantin-Lanthenay 41 km · Saint-Pierre-des-Corps 49 km · Saint-Avertin 51 km · Tours 52 km · Olivet 52 km · Châteaudun 53 km · Saint-Jean-de-la-Ruelle 53 km

France travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 77% of US
price level, 2025
GDP per capita
$48,986
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 539
Religion
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

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 Blois (47.5943°, 1.3291°, elevation 109 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).