May weather forecast
Monte Carlo, Monaco

englishespañol中文
Share
A large fountain of water geysers in front of the Monte Carlo Casino in Monte Carlo, Monaco
A large fountain of water geysers in front of the Monte Carlo Casino in Monte Carlo, Monaco

Weather in May

With May, Monte Carlo embraces peak spring with brighter, longer days. The city experiences its first taste of the approaching summer as the number of rainfall days drop to 5.2, ushering in clear skies. With improved climatic conditions, the city becomes preferable for a plethora of activities such as court-side spectating at the Monaco Grand Prix. It is an apt time for sun-bathing, family picnics, and leisurely strolls along the shores. Sunscreen and a hat become pertinent additions to the May packing list for tourists.

Temperature

Monte Carlo's weather shows a minor temperature rise with the arrival of May, moving from a refreshing 16.7°C (62.1°F) in April to a still comfortable 19.8°C (67.6°F). During the month of May, an average low-temperature of 13°C (55.4°F) is recorded.

Rainfall

In Monte Carlo, during May, the rain falls for 5.2 days and regularly aggregates up to 49mm (1.93") of precipitation. In Monte Carlo, during the entire year, the rain falls for 62.7 days and collects up to 769mm (30.28") of precipitation.

Sea temperature

In Monte Carlo, in May, the average water temperature is 18°C (64.4°F).
Note: Swimming in 18°C (64.4°F) is not an enjoyable experience for most. Breathing becomes progressively more challenging as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Monte Carlo, the average length of the day in May is 14h and 44min.
On the first day of May, sunrise is at 06:21 and sunset at 20:33. On the last day of the month, sunrise is at 05:51 and sunset at 21:04 CEST.

Sunshine

In May, the average sunshine is 8.7h.

UV index

In Monte Carlo, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 7 during May translates into the following directions:
Prevent overexposure. Protection from the sun's harmful effects is needed. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What is the usual temperature for Monte Carlo in May?

In Monte Carlo, in May, the average high-temperature is 19.8°C (67.6°F), and the average low-temperature is 13°C (55.4°F).

How much does it rain in May?

In May, the rain falls for 5.2 days. Throughout May, 49mm (1.93") of precipitation is accumulated.

What is the sea water temperature in May?

In Monte Carlo, in May, the average water temperature is 18°C (64.4°F). For swimming, a surface water temperature of 18°C (64.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the average length of the day in May?

The average day length in May is 14h and 44min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 06:21 and sunset at 20:33. On the last day of the month, sunrise is at 05:51 and sunset at 21:04 CEST.

How long on average sun shines in May?

The average sunshine duration in May is 8.7h.

How high is the UV index in May?

In May, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in May
Monte Carlo, Monaco

Average temperature in May - Monte Carlo, Monaco
  • Average high temperature in May: 19.8°C

The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is January (12.5°C).

  • Average low temperature in May: 13°C

The months with the highest average low temperature are July and August (19.3°C).
The coldest month (with the lowest average low temperature) is January (4.9°C).

Average rainfall in May
Monte Carlo, Monaco

Average rainfall in May - Monte Carlo, Monaco
  • Average rainfall in May: 48.6mm

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 in May
Monte Carlo, Monaco

Average rainfall days in May - Monte Carlo, Monaco
  • Average rainfall days in May: 5.2 days

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 in May
Monte Carlo, Monaco

Average sea temperature in May - Monte Carlo, Monaco
  • Average sea temperature in May: 18°C

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 in May /
Average sunshine in May
Monte Carlo, Monaco

Average daylight in May / Average sunshine in May - Monte Carlo, Monaco
  • Average daylight in May: 14h and 4min

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).

  • Average sunshine in May: 8h and 4min

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).

Average UV index in May
Monte Carlo, Monaco

Average UV index in May - Monte Carlo, Monaco
  • Average UV index in May: 7

The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).

Monte Carlo, Monaco

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location