May weather forecast
Falmouth, Antigua and Barbuda

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Weather in May

Transitioning into May, the weather in Falmouth takes a dramatic turn with rainfall surging to 65mm (2.56"). This marks the advent of the rainy season, yet temperatures remain relatively stable, providing a sweet spot for outdoor activities. Humidity levels rise, making the warm temperatures feel a tad hotter. Though the cloud cover increases, the region's tropical beauty shines through. The marine life thrives as sea temperatures continue to rise, drawing snorkeling and diving enthusiasts.

Temperature

On the advent of May, Falmouth's average high-temperature exhibits a minor adjustment to a still moderately hot 27.3°C (81.1°F) from April's 26.3°C (79.3°F). A slight dip in temperature to a still moderately hot 26.4°C (79.5°F) marks the average nights in Falmouth during May.

Heat index

During May, the heat index is appraised at a hot 30°C (86°F). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

May, July and August, with an average relative humidity of 78%, are the most humid months in Falmouth.

Rainfall

In Falmouth, in May, it is raining for 24.1 days, with typically 65mm (2.56") of accumulated precipitation. Throughout the year, there are 265.2 rainfall days, and 744mm (29.29") of precipitation is accumulated.

Sea temperature

In Falmouth, in May, the average water temperature is 27.8°C (82°F).
Note: For swimming, diving, and various water activities, the temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as highly enjoyable and comfortable for extended durations without any discomfort.

Daylight

In Falmouth, the average length of the day in May is 12h and 56min.
On the first day of the month, sunrise is at 05:41 and sunset at 18:27. On the last day of May, sunrise is at 05:32 and sunset at 18:37 AST.

Sunshine

In Falmouth, the average sunshine in May is 10h.

UV index

The months with the highest UV index in Falmouth, Antigua and Barbuda, are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: An average UV index of 7 in May transforms into this advice:
Shield from overexposure. Defense against sun-related harm is required. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.
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Frequently asked questions

What are May temperatures in Falmouth?

May temperatures vary between a high-temperature of 27.3°C (81.1°F) and a low-temperature of 26.4°C (79.5°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in May is appraised at 30°C (86°F).

What is the most humid month in Falmouth?

The months with the highest humidity in Falmouth, Antigua and Barbuda, are May, July and August, with an average relative humidity of 78%.

What is the average humidity in May in Falmouth?

The average relative humidity in May in Falmouth, Antigua and Barbuda, is 78%.

How many days does it rain in May in Falmouth?

In Falmouth, in May, it is raining for 24.1 days, with typically 65mm (2.56") of accumulated precipitation.

How warm is the water in May in Falmouth?

In Falmouth, in May, the average water temperature is 27.8°C (82°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Falmouth have in May?

In May, the average day length is 12h and 56min.

When is the sunrise / sunset in May in Falmouth?

In May, on the first day of the month, sunrise is at 05:41 and sunset at 18:27. On the last day of the month, in Falmouth, Antigua and Barbuda, sunrise is at 05:32 and sunset at 18:37 AST.

How long on average sun shines in May in Falmouth?

The average sunshine duration in May is 10h.

What are the months with the highest UV index in Falmouth?

The months with the highest UV index in Falmouth are January through December, with an average maximum UV index of 7.

What are the months with the lowest UV index in Falmouth?

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

What is the UV index reading in May in Falmouth?

In Falmouth, Antigua and Barbuda, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in May
Falmouth, Antigua and Barbuda

Average temperature in May - Falmouth, Antigua and Barbuda
  • Average high temperature in May: 27.3°C

The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is March (25.9°C).

  • Average low temperature in May: 26.4°C

The month with the highest average low temperature is October (27.9°C).
The coldest months (with the lowest average low temperature) are February and March (25°C).

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Average pressure in May
Falmouth, Antigua and Barbuda

Average pressure in May - Falmouth, Antigua and Barbuda
  • Average pressure in May: 1015.5mbar

The month with the highest atmospheric pressure is June (1016.3mbar).
The months with the lowest atmospheric pressure are October and November (1012.6mbar).

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Average wind speed in May
Falmouth, Antigua and Barbuda

Average wind speed in May - Falmouth, Antigua and Barbuda
  • Average wind speed in May: 24.7km/h

The windiest month (with the highest average wind speed) is July (26.9km/h).
The calmest month (with the lowest average wind speed) is October (20.4km/h).

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Average humidity in May
Falmouth, Antigua and Barbuda

Average humidity in May - Falmouth, Antigua and Barbuda
  • Average humidity in May: 78%

The months with the highest relative humidity are May, July and August (78%).
The months with the lowest relative humidity are January, February and March (75%).

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Average rainfall in May
Falmouth, Antigua and Barbuda

Average rainfall in May - Falmouth, Antigua and Barbuda
  • Average rainfall in May: 65mm

The wettest month (with the highest rainfall) is October (100mm).
The driest month (with the least rainfall) is February (23mm).

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Average rainfall days in May
Falmouth, Antigua and Barbuda

Average rainfall days in May - Falmouth, Antigua and Barbuda
  • Average rainfall days in May: 24.1 days

The month with the highest number of rainy days is July (24.8 days).
The month with the least rainy days is March (17.7 days).

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Average sea temperature in May
Falmouth, Antigua and Barbuda

Average sea temperature in May - Falmouth, Antigua and Barbuda
  • Average sea temperature in May: 27.8°C

The best month for swimming (with the highest average sea temperature) is September (29.3°C).
The coldest month (with the lowest average sea temperature) is February (26.3°C).

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Average daylight in May /
Average sunshine in May
Falmouth, Antigua and Barbuda

Average daylight in May / Average sunshine in May - Falmouth, Antigua and Barbuda
  • Average daylight in May: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in May: 10h and 0min

The months with the most sunshine are April, August and September (Average sunshine: 10h and 18min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).

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Average sunshine days in May
Falmouth, Antigua and Barbuda

Average sunshine days in May - Falmouth, Antigua and Barbuda
  • Average sunshine days in May: 1.5 days

The month with the most sunshine days is March (9.1 days).
The month with the least sunshine days is July (0.6 days).

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Average UV index in May
Falmouth, Antigua and Barbuda

Average UV index in May - Falmouth, Antigua and Barbuda
  • Average UV index in May: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

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Average cloud cover in May
Falmouth, Antigua and Barbuda

Average cloud cover in May - Falmouth, Antigua and Barbuda
  • Average cloud cover in May: 43

The months with the most cloud cover are May, June and July (Cloud cover 43).
The month with the least cloud cover is February (Cloud cover 34).

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Average visibility in May
Falmouth, Antigua and Barbuda

Average visibility in May - Falmouth, Antigua and Barbuda
  • 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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Falmouth, Antigua and Barbuda

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