May weather forecast
Saint Roman, Monaco

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Weather in May

As spring evolves into summer, May in Saint Roman witnesses an increase in average high temperature to 16.9°C (62.4°F), complemented by a significant rise in humidity levels to 75%. The city starts to warm up, inviting more outdoor activities under the longer daylight hours. Despite the increased warmth, rain continues its frequent dance, so residents and visitors should prepare for occasional dampness. May's weather is largely characterized by increased warmth, more daylight, and continued rainfall.

Temperature

The commencement of May introduces an average high-temperature of a comfortable 16.9°C (62.4°F), closely mirroring the preceding month. Recording a slight drop from the daily maximum, Saint Roman notes an average low temperature of 12.5°C (54.5°F) in the month of May.

Humidity

The months with the highest humidity are May and June, with an average relative humidity of 75%.

Rainfall

In May, the rain falls for 18.9 days. Throughout May, 71mm (2.8") of precipitation is accumulated. In Saint Roman, during the entire year, the rain falls for 163.9 days and collects up to 765mm (30.12") of precipitation.

Snowfall

In Saint Roman, snow does not fall in April through December.

Daylight

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

Sunshine

In May, the average sunshine is 11.1h.

UV index

In Saint Roman, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In May, a daily UV index of 5 turns into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What is the usual temperature for Saint Roman in May?

The high-temperature, in May, in Saint Roman, is 16.9°C (62.4°F), while the low-temperature averages to 12.5°C (54.5°F).

What are the most humid months in Saint Roman?

May and June, with an average relative humidity of 75%, are most humid months.

What is the average humidity in May in Saint Roman?

In Saint Roman, Monaco, the average relative humidity in May is 75%.

How many days does it rain in May in Saint Roman?

In Saint Roman, Monaco, during May, the rain falls for 18.9 days and regularly aggregates up to 71mm (2.8") of precipitation.

When it does not snow in Saint Roman?

April through December are months without snowfall.

How many hours of daylight does Saint Roman have in May?

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

When is the sunrise / sunset in May in Saint Roman?

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.

How many hours of sunshine does Saint Roman have in May?

The average sunshine duration in May is 11.1h.

How high is the UV index in May in Saint Roman?

In Saint Roman, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Saint Roman, Monaco

Average temperature in May - Saint Roman, Monaco
  • Average high temperature in May: 16.9°C

The warmest month (with the highest average high temperature) is August (23.9°C).
The months with the lowest average high temperature are January and February (8.8°C).

  • Average low temperature in May: 12.5°C

The month with the highest average low temperature is August (19.2°C).
The coldest month (with the lowest average low temperature) is February (4.7°C).

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Average pressure in May
Saint Roman, Monaco

Average pressure in May - Saint Roman, Monaco
  • Average pressure in May: 1014.1mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is April (1013.9mbar).

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Average wind speed in May
Saint Roman, Monaco

Average wind speed in May - Saint Roman, Monaco
  • Average wind speed in May: 10.5km/h

The windiest month (with the highest average wind speed) is March (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).

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Average humidity in May
Saint Roman, Monaco

Average humidity in May - Saint Roman, Monaco
  • Average humidity in May: 75%

The months with the highest relative humidity are May and June (75%).
The months with the lowest relative humidity are January and December (69%).

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Average rainfall in May
Saint Roman, Monaco

Average rainfall in May - Saint Roman, Monaco
  • Average rainfall in May: 71mm

The wettest month (with the highest rainfall) is November (127mm).
The driest month (with the least rainfall) is January (34mm).

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Average rainfall days in May
Saint Roman, Monaco

Average rainfall days in May - Saint Roman, Monaco
  • Average rainfall days in May: 18.9 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is December (9.1 days).

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Average snowfall in May
Saint Roman, Monaco

Average snowfall in May - Saint Roman, Monaco
  • Average snowfall in May: 0mm

The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in May
Saint Roman, Monaco

Average snowfall days in May - Saint Roman, Monaco
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Saint Roman, Monaco

Average daylight in May / Average sunshine in May - Saint Roman, 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: 11h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January, November and December (Average sunshine: 6h and 24min).

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Average sunshine days in May
Saint Roman, Monaco

Average sunshine days in May - Saint Roman, Monaco
  • Average sunshine days in May: 7.3 days

The month with the most sunshine days is December (19.4 days).
The month with the least sunshine days is May (7.3 days).

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Average UV index in May
Saint Roman, Monaco

Average UV index in May - Saint Roman, Monaco
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
Saint Roman, Monaco

Average cloud cover in May - Saint Roman, Monaco
  • Average cloud cover in May: 24

The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in May
Saint Roman, Monaco

Average visibility in May - Saint Roman, Monaco
  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Saint Roman, Monaco

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