Weather in Saint-Hilaire-de-Riez on 19 August 2026
Preliminary outlook for 19 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +22°C and nighttime around +17°C, average precipitation 0 mm, wind around 4 m/s, humidity around 80%.
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.
+19°C
Weather archive — latest year: 2025
Partly Cloudy
Weather archive — latest year: 2025
Nighttime: +18°C
Precipitation: 0 mm
Wind: 5 — 6 m/s
Humidity: 84%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 12 h |
| UV index | 5 | Cloud cover (avg.) | 34% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 259° ↙ (WSW) |
Sunrise
07:11
Duration
14 h 00 min
Sunset
21:11
Moonrise
01:46
Moonset
19:08
Moon phase
Waning Crescent
Illumination
22%
+18°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +14°C
Sea temperature: +20°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 11% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +20°C |
| Feels like (avg.) | +18°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 215° ↓ (S) |
Sunrise
07:11
Duration
13 h 59 min
Sunset
21:10
Moonrise
21:22
Moonset
06:10
Moon phase
Full Moon
Illumination
100%
+22°C
Weather archive — for 2023 year
Partly Cloudy
Weather archive — for 2023 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 4 — 4 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 48% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 253° ← (W) |
Sunrise
07:10
Duration
14 h 02 min
Sunset
21:12
Moonrise
10:23
Moonset
22:39
Moon phase
Waxing Crescent
Illumination
16%
+20°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +17°C
Precipitation: 0.2 mm
Wind: 4 — 6 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 13 h |
| UV index | 5 | Cloud cover (avg.) | 39% |
| 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.) | +17°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 299° ← (W) |
Sunrise
07:10
Duration
14 h 01 min
Sunset
21:11
Moonrise
00:19
Moonset
16:00
Moon phase
Last Quarter
Illumination
47%
+18°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +16°C
Precipitation: 0 mm
Wind: 3 — 6 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 26% |
| Pressure (avg.) | 764 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.) | 224° ↓ (SSW) |
Sunrise
07:11
Duration
14 h 00 min
Sunset
21:11
Moonrise
19:30
Moonset
02:40
Moon phase
Waxing Gibbous
Illumination
76%
+21°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 5 — 6 m/s
Humidity: 85%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 43% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 169° ↘ (SSE) |
Sunrise
07:11
Duration
14 h 00 min
Sunset
21:11
Moonrise
07:05
Moonset
21:48
Moon phase
New Moon
Illumination
0%
Weather in Saint-Hilaire-de-Riez on 19 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+21°C
|
+18°C
|
+19°C | 12 h | 5 | 84% | 5 — 6 m/s |
| 2024 |
+21°C
|
+14°C
|
+18°C | 14 h | 5 | 74% | 3 — 4 m/s |
| 2023 |
+24°C
|
+19°C
|
+22°C | 13 h | 6 | 74% | 4 — 4 m/s |
| 2022 |
+22°C
|
+17°C
|
+20°C | 13 h | 5 | 83% | 4 — 6 m/s |
| 2021 |
+22°C
|
+16°C
|
+18°C | 14 h | 5 | 78% | 3 — 6 m/s |
| 2020 |
+23°C
|
+19°C
|
+21°C | 10 h | 6 | 85% | 5 — 6 m/s |