Weather in Grande-Synthe on 29 July 2026
Preliminary outlook for 29 July 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +21°C and nighttime around +16°C, average precipitation 0.1 mm, wind around 6 m/s, humidity around 69%.
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.
+18°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +16°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 68%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +20°C | Sun hours | 14 h |
| UV index | 4 | Cloud cover (avg.) | 59% |
| 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.) | +12°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 291° ↖ (NW) |
Sunrise
06:12
Duration
15 h 29 min
Sunset
21:41
Moonrise
11:54
Moonset
23:25
Moon phase
Waxing Crescent
Illumination
25%
+20°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +15°C
Sea temperature: +18°C
Precipitation: 0 mm
Wind: 4 — 4 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 15 h |
| UV index | 5 | Cloud cover (avg.) | 5% |
| Pressure (avg.) | 767 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +18°C |
| Feels like (avg.) | +20°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 85° → (E) |
Sunrise
06:13
Duration
15 h 28 min
Sunset
21:41
Moonrise
00:21
Moonset
16:24
Moon phase
Last Quarter
Illumination
38%
+18°C
Weather archive — for 2023 year
Cloudy
Weather archive — for 2023 year
Nighttime: +17°C
Precipitation: 0.3 mm
Wind: 8 — 10 m/s
Humidity: 75%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 5 h |
| UV index | 4 | Cloud cover (avg.) | 55% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 14 m/s | Wind direction (avg.) | 233° ↙ (WSW) |
Sunrise
06:12
Duration
15 h 30 min
Sunset
21:42
Moonrise
19:34
Moonset
01:44
Moon phase
Waxing Gibbous
Illumination
78%
+19°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +16°C
Precipitation: 0 mm
Wind: 5 — 6 m/s
Humidity: 65%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 28% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 46° ↗ (NE) |
Sunrise
06:12
Duration
15 h 30 min
Sunset
21:42
Moonrise
06:43
Moonset
22:45
Moon phase
Waxing Crescent
Illumination
1%
+16°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +15°C
Precipitation: 0.1 mm
Wind: 8 — 9 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +18°C | Sun hours | 15 h |
| UV index | 4 | Cloud cover (avg.) | 36% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +17°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +17°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 15 m/s | Wind direction (avg.) | 242° ↙ (WSW) |
Sunrise
06:12
Duration
15 h 29 min
Sunset
21:41
Moonrise
00:05
Moonset
12:34
Moon phase
Waning Gibbous
Illumination
62%
+17°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +15°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 66%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +20°C | Sun hours | 15 h |
| UV index | 5 | Cloud cover (avg.) | 23% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +17°C | Dew point (avg.) | +10°C |
| Heat index (avg.) | +17°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 276° ← (W) |
Sunrise
06:13
Duration
15 h 28 min
Sunset
21:41
Moonrise
16:41
Moonset
01:19
Moon phase
First Quarter
Illumination
61%
Weather in Grande-Synthe on 29 July in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+20°C
|
+16°C
|
+18°C | 14 h | 4 | 68% | 4 — 5 m/s |
| 2024 |
+24°C
|
+15°C
|
+20°C | 15 h | 5 | 68% | 4 — 4 m/s |
| 2023 |
+21°C
|
+17°C
|
+18°C | 5 h | 4 | 75% | 8 — 10 m/s |
| 2022 |
+22°C
|
+16°C
|
+19°C | 14 h | 5 | 65% | 5 — 6 m/s |
| 2021 |
+18°C
|
+15°C
|
+16°C | 15 h | 4 | 72% | 8 — 9 m/s |
| 2020 |
+20°C
|
+15°C
|
+17°C | 15 h | 5 | 66% | 4 — 6 m/s |