Climate and monthly weather forecast
Monaco, Monaco

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The Prince Palace and the old town below, in Monaco, Monaco along the Mediterranean sea
The Prince Palace and the old town below, in Monaco, Monaco along the Mediterranean sea

The climate of Monaco

Monaco, positioned on the French Riviera in Western Europe, basks in the warm glow of a Mediterranean climate, as signified by its classification as a 'Csb' climate in the Köppen climatic classification. With warm to hot summers and mild winters, this tiny coastal nation sees temperatures ranging from 8.1°C (46.6°F) to 25.9°C (78.6°F) throughout the year.

The weather is gentle and inviting throughout the twelve months, with rainfall becoming a constant companion, regardless of the season. Rainfall varies from a soothing 16mm (0.63") in the middle of summer to a robust 108mm (4.25") in autumn. Totaling approximately six days per month, precipitation is noticeably extensive during the latter part of the year, from October to December, with rainfall quantities exceeding 100mm (3.94").

Sea temperature fluctuates between 13.1°C (55.6°F) to 23.7°C (74.7°F), thus offering near year-round opportunities for water-bound activities. Noticeably, sunshine hours increase progressively from winter towards summer — from 4.6 hours to a generous 11 hours per day.

The best time to visit Monaco

If soaking in sunshine by the sea is the goal, the best time to visit Monaco falls between June to August. During this period, temperatures peak to a balmy 25.9°C (78.6°F), accompanied by the highest sea temperatures of the year — reaching up to 23.7°C (74.7°F) in August. Alongside alluring temperatures, these months are also when the sunshine is at its maximum, offering almost 11 hours of sunlight. Surprisingly, these months also witness the least amount of rainfall, notably reaching its lowest at 16mm (0.63") in July.

The worst time to visit Monaco

On the other hand, the least favorable time to visit Monaco would be in the months of October and November. These months bear witness to the two highest monthly rainfalls of the year, escalating to an impressive 108mm (4.25") in October and 104mm (4.09") in November. The sea temperature, though warm at 19.7°C (67.5°F) - 17.4°C (63.3°F), may not provide the best conditions for water activities. The chillier air temperatures ranging from 16.1°C (61°F) to 19.9°C (67.8°F) and reduced sunshine hours, 6.6 to 5.2 hours respectively, further add to the desolation.

Spring weather in Monaco

Spring in Monaco is a delightful season when temperatures yield a mild range from 9.6°C (49.3°F) to 16.1°C (61°F). Rainfall gradually decreases from 71mm (2.8") in March to 62mm (2.44") in April but sees a further reduction to 49mm (1.93") in May. Sunshine starts to flock the skies more generously, with daylight spanning 11.9 hours in March, and extending to 14.7 hours in May.

Summer weather in Monaco

Summer offers bountiful sunshine and warmth in Monaco. With temperatures oscillating between 18.5°C (65.3°F) to 25.9°C (78.6°F), and the sea temperatures ascending to a pleasant 23.7°C (74.7°F), it is the perfect time for sea-side relaxation and water-based activities. It's also the least rainy season with just 16mm (0.63") in July, the lowest in a year.

Autumn weather in Monaco

Autumn in Monaco signals the return of rainfall. October and November are especially wet, seeing a monthly rainfall of 108mm (4.25") and 104mm (4.09") respectively. Temperatures start to drop from a comfortable 19.3°C (66.7°F) in September to a chillier 11.9°C (53.4°F) by November. However, sea temperatures remain warm enough for swimming, from 22.3°C (72.1°F) in September to 17.4°C (63.3°F) in November.

Winter weather in Monaco

Winter in Monaco is mild, with temperatures hanging between 8.1°C (46.6°F) to 13.4°C (56.1°F). Rainfall sees a decline from its autumn high, settling at 78mm (3.07") in December, the wettest winter month. Sea temperatures descend to the annual lowest at 14.9°C (58.8°F) in December, making water activities less inviting. Yet, daylight hours remain substantial, ranging from 9.4 hours in January to 10.5 hours come February.

Weather in January

January in Monaco is the coldest month, yet the temperatures remain relatively mild, making the winter months quite manageable for residents and tourists alike. The city does, however, encounter the year's significant quantity of rainfall, with 83mm (3.27") falling throughout the month. Weather in January »

Weather in February

As the country moves towards spring in February, a slight increase in temperature can be observed, and the amount of rainfall decreases marginally. Despite the modest changes in weather conditions, February remains a relatively damp and cold month on Monaco's calendar. Weather in February »

Weather in March

With March, comes a noticeable shift towards milder weather in Monaco. Regular rainfall occurs, but the amount distinctly drops to 71mm (2.8"), making way for more sunshine and daylight hours, indicating the onset of spring. Visitors can expect longer days and a warmer climate in comparison to February's chillier conditions. Weather in March »

Weather in April

In April, weather in Monaco tends to be unpredictable, experiencing alterations between sunny and rainy days. Rainfall is lower, registering at 62mm (2.44"), and temperatures continue their upward trend, creating an enjoyable spring weather. Weather in April »

Weather in May

May brings with it a substantial increase in warmth in Monaco's weather pattern. Rainfall decreases to 49mm (1.93"), while temperatures continue to climb, invoking the real onset of the summer season. The city enjoys almost fifteen hours of daylight, allowing both locals and tourists plenty of time for outdoor activities. Weather in May »

Weather in June

Monaco encounters significant heat during June, marking the true advent of summer. Precipitation records a yearly low of 37mm (1.46"), leaving plenty of sunshine and virtually uninterrupted blue skies. Residents and tourists take advantage of the longest daylight hours of the year, making most of the high temperatures and clear skies. Weather in June »

Weather in July

July represents the hottest month in Monaco, both in terms of maximum temperature and sea temperature, which can reach up to 25.8°C (78.4°F) and 23.2°C (73.8°F) respectively. With only 1.9 days of rainfall, July also stands out as the driest month, featuring slightly over 15 hours of daylight each day. Weather in July »

Weather in August

In August, Monaco continues to experience high summer temperatures similar to those of July. Slightly more rainfall occurs, but the total precipitation still only reaches 31mm (1.22"), allowing for ample outdoor activities. Despite the continued heat, the city begins to transition towards autumn. Weather in August »

Weather in September

September signifies the beginning of the transition from summer to autumn in Monaco. Rainfall increases to 54mm (2.13"), supplemented by a slight reduction in temperature, daylight, and sunshine hours. The climate begins to cool, giving visitors a respite from the summer heat. Weather in September »

Weather in October

In October, Monaco sees a noticeable shift towards cooler temperatures and significantly increased precipitation, reaching 108mm (4.25"). Autumn truly arrives in October, heralding shorter days and less sunshine. Despite the transition, October's weather remains moderately warm and inviting compared to the colder, rainier conditions that will commence in November. As September transitions into October, Monaco sees a gentle drop in the average high-temperature, transitioning from a moderately hot 23.8°C (74.8°F) to a refreshing 19.9°C (67.8°F). Weather in October »

Weather in November

November represents the onset of winter in Monaco, with a steady drop in temperature and a considerable 104mm (4.09") of rainfall. Rainfall days increase to seven, while daylight and sunshine hours decrease. Despite the ensuing winter chill, November's weather remains comparatively moderate when weighed against the cold and damp environment that characterizes December. As October makes way for November, Monaco's average high-temperature eases from 19.9°C (67.8°F) to a still refreshing 16.1°C (61°F). Weather in November »

Weather in December

December marks the peak of the winter season in Monaco, registering relatively low temperatures and 78mm (3.07") precipitation. The decrease in temperature, significant rainfall, and reduced daylight hours combine to create an authentic winter ambiance. Weather in December »

Frequently asked questions

What is the coldest time of year in Monaco?

Temperature records in Monaco, Monaco, mark January as the coldest month, with highs averaging 12.3°C (54.1°F) and lows at 8.1°C (46.6°F).

How much does it rain in Monaco?

In Monaco, Monaco, during the entire year, the rain falls for 62.7 days and collects up to 769mm (30.28") of precipitation.

When is the sea coldest in Monaco?

The month with the coldest seawater in Monaco, Monaco, is February, with an average sea temperature of 13.1°C (55.6°F).

When are the longest days in Monaco?

The month with the longest days in Monaco is June, with an average of 15h and 24min of daylight.

What is the driest month in Monaco?

The month with the least rainfall is July, when the rain falls for 1.9 days and typically collects 16mm (0.63") of precipitation.

What month has the most sunshine in Monaco?

The month with the most sunshine is July, with an average of 11h of sunshine.

What month is the hottest in Monaco?

Monaco's August weather, with an average high temperature of 25.9°C (78.6°F) and an average low temperature of 21.5°C (70.7°F), tends to be the warmest of the year.

What month is the sea warmest in Monaco?

August is the month with the warmest seawater, with an average sea temperature of 23.7°C (74.7°F).

What is the rainiest month in Monaco?

October is the month with the most rainfall in Monaco, Monaco. Rain falls for 5.8 days and accumulates 108mm (4.25") of precipitation.

When is Daylight Saving Time (DST) in Monaco?

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Monaco, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.

What is the month with the shortest days in Monaco?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

What is the month with the least sunshine in Monaco?

The month with the least sunshine in Monaco is December, with an average of 4.6h of sunshine.

Average temperature
Monaco, Monaco

Average temperature - Monaco, Monaco

The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (12.3°C).

The month with the highest average low temperature is August (21.5°C).
The coldest month (with the lowest average low temperature) is January (8.1°C).

Average rainfall
Monaco, Monaco

Average rainfall - Monaco, Monaco

The wettest month (with the highest rainfall) is October (108.2mm).
The driest month (with the least rainfall) is July (15.6mm).

Average rainfall days
Monaco, Monaco

Average rainfall days - Monaco, Monaco

The month with the highest number of rainy days is November (7 days).
The month with the least rainy days is July (1.9 days).

Average sea temperature
Monaco, Monaco

Average sea temperature - Monaco, Monaco

The best month for swimming (with the highest average sea temperature) is August (23.7°C).
The coldest month (with the lowest average sea temperature) is February (13.1°C).

Average daylight / Average sunshine
Monaco, Monaco

Average daylight / Average sunshine - Monaco, Monaco

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Monaco, Monaco

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