Monte Carlo Weather in October

Thinking of visiting Monte Carlo in October? Expect pleasant temperatures reaching 19°C (66°F) during the day, dropping to 14°C (57°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Monte Carlo in October

Rain is expected on roughly 9 days, totalling around 111 mm (4.4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Monte Carlo in October

October in Monte Carlo sees highs of 19°C (66°F) and lows of 14°C (57°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Monte Carlo in October

There are approximately 205 hours of sunshine this month, resulting in mostly clear days.

Average water temperature in October

The water temperature is 20°C (68°F). It's not warm, but most people find it perfectly fine for a swim once they're in.

For Monte Carlo itself, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Monaco, check out our Monte Carlo's climate page.

Monte Carlo Temperature in October

Min Temperature 14°C (57°F)  

Max Temperature 19°C (66°F)  

Water Temperature 20°C (68°F)  

Chance of Rain 31%  

Precipitation 111 mm (4.4 in)  

Rainy days 9 days  

Sunshine 205 hours  

Percentage Sunshine 60%  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Monte Carlo typically stay consistent throughout October, with daily highs averaging around 19°C (66°F). Nights are pleasant, with lows typically ranging from 12°C (54°F) to 16°C (61°F).

Average temperatures in October

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in October

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Historical weather for Monte Carlo in October

Browse day-by-day weather records for Monte Carlo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Monte Carlo historical weather extremes in October

Our historical data for Monte Carlo spans 1976 to 2025, revealing these weather extremes.

• The hottest October day on record in Monte Carlo reached 29°C (84°F) (October 11, 1983).
• Monte Carlo experienced its chilliest October day on October 20, 2025, reaching only 11°C (52°F).
• The lowest overnight temperature recorded in October was 4°C (39°F) (October 29, 1997).

What to Wear in Monte Carlo in October

Comfortable temperatures call for an easy wardrobe in October. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. The water temperature sits at about 20°C (68°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Monte Carlo in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Monaco, check out our Monte Carlo's climate page.

More climate data for Monte Carlo

Temperature Rainfall Sunshine Water Temp

See the full Monte Carlo climate overview or explore weather in Monaco.