🔎 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.
🏆 Hottest and coldest day in Monaco (over the full observation series)
+35°
Hottest day
July 18, 2022
-9°
Coldest day
January 10, 1985
🗓 Monthly climate in Monaco
| Month | Day | Night | Precip |
|---|---|---|---|
| January | +12° | +5° | 48 mm |
| February | +13° | +6° | 71 mm |
| March | +15° | +8° | 71 mm |
| April | +17° | +10° | 58 mm |
| May | +21° | +14° | 61 mm |
| June | +26° | +19° | 41 mm |
| July | +29° | +22° | 13 mm |
| August | +29° | +22° | 25 mm |
| September | +25° | +18° | 57 mm |
| October | +21° | +14° | 125 mm |
| November | +16° | +10° | 108 mm |
| December | +13° | +7° | 75 mm |
🕰 Weather in Monaco August 17 in past years
+32°
Heat record · 2025
+15°
Cold record · 1954
📜
This day in history. The hottest August 17 in Monaco was in 2025 (+32°), the coldest in 1954 (+15°). 86 years of observations. Normal for August: day +29°, night +22°.
📒 For school and home
Weather diary
ready-made observation table for a month — for school
Weather for the month
August calendar: forecast + climate normal
City water
Ligurian Sea +29° — where to swim
FAQ about the weather archive in Monaco ❓
What was the weather in Monaco 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”.
Hottest and coldest day in the history in Monaco?
Heat record — +35° (July 18, 2022), cold record — -9° (January 10, 1985). Observations over the full available series.
What's the typical weather in Monaco in August?
On average +29° by day, +22° at night, precipitation about 25 mm (ERA5 climate normal).
Since what year is the weather archive in Monaco 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 Monaco
Monthly climate normals in Monaco (average day and night temperatures, precipitation) are computed from the ERA5 reanalysis. The observation archive accrues from launch. Data: Open-Meteo (ERA5).