Monaco Monaco Weather in August — Climate Guide
August in Monaco is high
Monaco Weather in August — Quick Answer
As of 2026- Avg temp
- 28° / 22°
- Rainfall
- 30mm · 3 days
- Crowds
- Very busy
As of 2026, Monaco in August averages a high of 28°C and low of 22°C with 30mm of rain over about 3 days. Hot peak summer — around 28°C/22°C with the warmest sea (~24°C). Light clothing, swimwear, a hat, sunglasses, and SPF 50. Hydrate well and avoid midday sun.
August is high for Monaco.
August matches July's heat — around 28°C/22°C — with the sea at its warmest of the year (~24°C) and Monaco at its most crowded and expensive.
The Monaco International Fireworks Festival lights up Port Hercule on select evenings (running from late July into August), a free spectacle worth timing a visit around. The beaches, beach clubs, and yacht scene are at full intensity.
Travel score
Monaco August Weather Stats
Avg High
28°C
Avg Low
22°C
Rainy Days
3
30mm total
Sunshine
10h
Daily avg
Humidity
70%
comfortable
UV Index
9
Very high
Wind
9 km/h
Gusts 18
Sea Temp
24°C
Avg water temp
Crowds
Very busy
At attractions
August Sunrise & Sunset
Air Quality
PM2.5
21 μg/m³
PM10
37 μg/m³
Status
moderate
Feels-Like Temperature & Wind
Feels like
Daytime
31°C
Nighttime
24°C
Humidity and wind affect how the actual temperature feels.
Wind
9 km/h
Max gust 18 km/h
Activities Recommended for August
August Travel Pros & Cons
Pros
- Warmest sea of the year (~24°C)
- Monaco International Fireworks Festival
- Reliable sun, full beach season
- Lively summer atmosphere
Cons
- Peak crowds and prices
- Hot, humid-feeling midday
- Long queues at sights
- Premium dining costs
August Events & Festivals
- Monaco International Fireworks Festival (late July-August)
- Peak summer holidays — busiest and most expensive
- Assumption Day (Aug 15) — public holiday, busy
Monaco in August — Full Picture
August matches July's heat — around 28°C/22°C — with the sea at its warmest of the year (~24°C) and Monaco at its most crowded and expensive.
The Monaco International Fireworks Festival lights up Port Hercule on select evenings (running from late July into August), a free spectacle worth timing a visit around. The beaches, beach clubs, and yacht scene are at full intensity.
It's wonderful for swimming and sunshine but demanding for sightseeing: heat, queues, and premium prices. Do the old town, the circuit, and the harbour in the cooler morning or evening, and spend the hot midday hours at the beach or in the air-conditioned Oceanographic Museum.
Note: Assumption Day (Aug 15) is a busy public holiday across the Riviera. As always, Nice makes a far cheaper base than Monaco.
What to Wear & What to Pack
Hot peak summer — around 28°C/22°C with the warmest sea (~24°C). Light clothing, swimwear, a hat, sunglasses, and SPF 50. Hydrate well and avoid midday sun.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
17.7°C
11.3°C
5.7/mo
Summer (Jun·Jul·Aug)
Current27°C
20.3°C
3/mo
Autumn (Sep·Oct·Nov)
21°C
15°C
6.3/mo
Winter (Dec·Jan·Feb)
13.3°C
8.3°C
6.3/mo
Monaco Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 13° | 8° | 7d·75mm | 5h | 70% | 2 | Quiet | Low season | |
| 13° | 8° | 6d·70mm | 6h | 70% | 2 | Quiet | Low season | |
| 15° | 9° | 6d·70mm | 6.5h | 68% | 4 | Moderate | Shoulder | |
| April (Best) | 17° | 11° | 6d·70mm | 7.5h | 68% | 5 | Busy | Peak |
| May (Best) | 21° | 14° | 5d·50mm | 8h | 70% | 7 | Busy | Peak |
| 25° | 18° | 4d·40mm | 9.5h | 70% | 9 | Very busy | Peak | |
| 28° | 21° | 2d·25mm | 10.5h | 70% | 10 | Very busy | Peak | |
| 28° | 22° | 3d·30mm | 10h | 70% | 9 | Very busy | Peak | |
| September (Best) | 25° | 19° | 5d·65mm | 8h | 70% | 7 | Busy | Peak |
| 21° | 15° | 7d·110mm | 6.5h | 72% | 4 | Moderate | Shoulder | |
| 17° | 11° | 7d·135mm | 5h | 73% | 2 | Quiet | Low season | |
| 14° | 9° | 6d·85mm | 5h | 71% | 2 | Moderate | Shoulder |
View Other Months
Monaco August Hotel Picks
Frequently Asked Questions
Is August a good time to visit Monaco?
Monaco in August is high. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Monaco in August?
Monaco August averages a high of 28°C and a low of 22°C.
Does it rain much in Monaco in August?
Monaco August averages 30mm of rainfall over about 3 rainy days.
What should I wear in Monaco in August?
Hot peak summer — around 28°C/22°C with the warmest sea (~24°C). Light clothing, swimwear, a hat, sunglasses, and SPF 50. Hydrate well and avoid midday sun.
What time are sunrise and sunset in Monaco in August?
Monaco August sunrise is 06:35 and sunset is 20:30, with 13h 55min of daylight.
What's the air quality like in Monaco in August?
Monaco August air quality (AQI) averages 52, rated Moderate. PM2.5 averages 21μg/m³.
What activities are recommended in Monaco in August?
In August, Monaco is great for Monaco International Fireworks Festival, Larvotto beach & beach clubs, Oceanographic Museum (cool midday).
Is August peak season in Monaco?
Monaco August crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Monaco
View Other Months
Planning a August trip to Monaco?
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Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.