Weather in Saint-Nazaire on 9 August 2026
Preliminary outlook for 9 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +28°C and nighttime around +16°C, average precipitation 0.1 mm, wind around 4 m/s, humidity around 67%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+21°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +14°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 61%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 2% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 163° ↖ (NW) |
Sunrise
06:58
Duration
14 h 32 min
Sunset
21:30
Moonrise
21:54
Moonset
06:49
Moon phase
Full Moon
Illumination
100%
+20°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +17°C
Sea temperature: +21°C
Precipitation: 0.2 mm
Wind: 4 — 5 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 8 h |
| UV index | 6 | Cloud cover (avg.) | 37% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | +21°C |
| Feels like (avg.) | +21°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 256° ↙ (WSW) |
Sunrise
06:58
Duration
14 h 32 min
Sunset
21:30
Moonrise
12:28
Moonset
23:29
Moon phase
Waxing Crescent
Illumination
28%
+21°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +14°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 71%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 11% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 136° → (ESE) |
Sunrise
06:57
Duration
14 h 34 min
Sunset
21:31
Moonrise
00:38
Moonset
16:27
Moon phase
Last Quarter
Illumination
42%
+25°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 6 — 7 m/s
Humidity: 40%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 15 h |
| UV index | 7 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 767 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +10°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 37° ↗ (NE) |
Sunrise
06:57
Duration
14 h 34 min
Sunset
21:31
Moonrise
19:58
Moonset
02:46
Moon phase
Waxing Gibbous
Illumination
81%
+18°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +15°C
Precipitation: 0.5 mm
Wind: 5 — 5 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 9 h |
| UV index | 4 | Cloud cover (avg.) | 70% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 230° ↙ (SW) |
Sunrise
06:58
Duration
14 h 32 min
Sunset
21:30
Moonrise
07:38
Moonset
22:30
Moon phase
Waxing Crescent
Illumination
3%
+24°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 3 — 5 m/s
Humidity: 68%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 11% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 158° ↓ (SSW) |
Sunrise
06:58
Duration
14 h 32 min
Sunset
21:30
Moonrise
00:06
Moonset
13:11
Moon phase
Waning Gibbous
Illumination
59%
Weather in Saint-Nazaire on 9 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+28°C
|
+14°C
|
+21°C | 15 h | 6 | 61% | 4 — 5 m/s |
| 2024 |
+24°C
|
+17°C
|
+20°C | 8 h | 6 | 83% | 4 — 5 m/s |
| 2023 |
+29°C
|
+14°C
|
+21°C | 15 h | 6 | 71% | 3 — 4 m/s |
| 2022 |
+33°C
|
+17°C
|
+25°C | 15 h | 7 | 40% | 6 — 7 m/s |
| 2021 |
+21°C
|
+15°C
|
+18°C | 9 h | 4 | 78% | 5 — 5 m/s |
| 2020 |
+30°C
|
+18°C
|
+24°C | 15 h | 6 | 68% | 3 — 5 m/s |