Climate guideThirty-year normals for Vertou
Vertou climate by month
Oceanic · CfbBest Jun–Jul · Sep
Annual mean13°day and night
Seasonal swing14°warmest vs coolest
Precipitation860 mm134 wet days a year
47.17° N, 1.47° WElevation 35 mUTC+1 · Central European Standard Time
When to goVertou · weather score
Best timeJun–Jul · Sep
October: high / low18° / 9°
iSummary
What the weather is like
Vertou has an oceanic climate (Köppen Cfb): rain spread through the year and no real dry season.
The warmest month is August, when afternoons average 26° and nights 14°. January is the coolest month, with highs of 9° and lows of 3°. The difference between the warmest and the coolest month is about 14°.
About 860 mm of precipitation falls in an average year. November is the wettest month (91 mm, 14 wet days) and September the driest (69 mm, 8 wet days). Cloud cover ranges from 31% in August to 49% in January.
Compared with Paris, the capital, Vertou is 0° warmer on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 26° · August
- Coldest nights
- 3° · February
- Wettest month
- November
- Driest month
- September
- Clearest skies
- August · 31% cloud
- Longest day
- 15 h 54 min
- Shortest day
- 8 h 31 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 9° | 11° | 14° | 17° | 20° | 24° | 26° | 26° | 23° | 18° | 13° | 10° |
| Average low | 3° | 3° | 5° | 6° | 9° | 12° | 14° | 14° | 11° | 9° | 6° | 4° |
| Precipitation | 90 mm | 69 mm | 65 mm | 63 mm | 72 mm | 47 mm | 49 mm | 44 mm | 69 mm | 99 mm | 91 mm | 102 mm |
| Wet days (≥1 mm) | 13.3 | 10.7 | 12.2 | 10 | 11.9 | 9.8 | 9.3 | 9.3 | 7.9 | 12.9 | 13.6 | 12.8 |
| Cloud cover | 49% | 45% | 43% | 40% | 40% | 35% | 32% | 31% | 34% | 42% | 46% | 48% |
| Daylight | 8h 54 | 10h 18 | 11h 51 | 13h 35 | 15h 04 | 15h 54 | 15h 33 | 14h 16 | 12h 37 | 10h 56 | 9h 22 | 8h 31 |
| Month score | 19 | 30 | 44 | 65 | 68 | 75 | 74 | 73 | 80 | 64 | 35 | 20 |
ivMonth by month
Vertou in every month
January19
9° / 3°
90 mm · 13.3 wet days
February30
11° / 3°
69 mm · 10.7 wet days
March44
14° / 5°
65 mm · 12.2 wet days
April65
17° / 6°
63 mm · 10 wet days
May68
20° / 9°
72 mm · 11.9 wet days
June75
24° / 12°
47 mm · 9.8 wet days
July74
26° / 14°
49 mm · 9.3 wet days
August73
26° / 14°
44 mm · 9.3 wet days
September80
23° / 11°
69 mm · 7.9 wet days
October64
18° / 9°
99 mm · 12.9 wet days
November35
13° / 6°
91 mm · 13.6 wet days
December20
10° / 4°
102 mm · 12.8 wet days