Climate & archive — Boulogne-sur-Mer 📅
+16°
Partly cloudy
feels like +13°
🗄 45 years of observations📡 ERA5 data🏆 records since 1981
Actual day-by-day weather, records, monthly climate and “on this day before”.
🔎 Weather for a date or period
Actual day-by-day weather for the selected period (ERA5). Up to 1 year.
📆 On this day before
Data for previous years is being prepared.
🗓 Monthly climate in Boulogne-sur-Mer
| Month | Day | Night | Precip |
|---|---|---|---|
| January | +8° | +4° | 109 mm |
| February | +9° | +4° | 84 mm |
| March | +10° | +5° | 76 mm |
| April | +13° | +7° | 53 mm |
| May | +16° | +10° | 58 mm |
| June | +19° | +13° | 54 mm |
| July | +21° | +15° | 64 mm |
| August | +21° | +16° | 81 mm |
| September | +19° | +14° | 82 mm |
| October | +16° | +11° | 120 mm |
| November | +11° | +7° | 134 mm |
| December | +9° | +6° | 121 mm |
📊
Daily records and archive in Boulogne-sur-Mer are being collected (ERA5) — they will appear after the next cycle.
📒 For school and home
Weather diary
ready-made observation table for a month — for school
Weather for the month
August calendar: forecast + climate normal
Air quality
AQI 39 — good
FAQ about the weather archive in Boulogne-sur-Mer ❓
What was the weather in Boulogne-sur-Mer on a specific date?
Pick a date or range in the form above — we show actual day-by-day weather (ERA5 reanalysis, up to a year back). For today’s date in past years see “On this day before”.
What's the typical weather in Boulogne-sur-Mer in August?
On average +21° by day, +16° at night, precipitation about 81 mm (ERA5 climate normal).
Since what year is the weather archive in Boulogne-sur-Mer kept?
Climate normals and records come from the ERA5 reanalysis. Actual day-by-day weather is available for the last year.
Climate and weather archive in Boulogne-sur-Mer
Monthly climate normals in Boulogne-sur-Mer (average day and night temperatures, precipitation) are computed from the ERA5 reanalysis. The observation archive accrues from launch. Data: Open-Meteo (ERA5).