St Johnston Village
Antigua and Barbuda
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
St Johnston Village, Antigua and Barbuda

The last month of the spring, May, is a tropical month in St Johnston Village, Antigua and Barbuda, with temperature in the range of an average low of 24°C (75.2°F) and an average high of 30°C (86°F).

Temperature

In St Johnston Village, the average high-temperature in May is relatively the same as in April - a hot 30°C (86°F). In St Johnston Village, in May, the average low-temperature is 24°C (75.2°F).

Rainfall

In St Johnston Village, in May, it is raining for 14 days, with typically 91mm (3.6") of accumulated precipitation. Throughout the year, there are 180 rainfall days, and 1040mm (40.9") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature in St Johnston Village is 27°C (80.6°F).
Note: 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.

Daylight

In May, the average length of the day in St Johnston Village is 12.9h.

Sunshine

January through August, with an average of 8h of sunshine, are months with the most sunshine.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in St Johnston Village. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 12 transform into the following instructions:
Take all necessary precautions, as unprotected skin can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in May in St Johnston Village?

The average high-temperature, in May, is 30°C (86°F), while the average low-temperature is 24°C (75.2°F).

How much does it rain in St Johnston Village in May?

In St Johnston Village, Antigua and Barbuda, during May, the rain falls for 14 days and regularly aggregates up to 91mm (3.6") of precipitation.

How warm is the water in May in St Johnston Village?

In May, the average sea temperature in St Johnston Village is 27°C (80.6°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does St Johnston Village have in May?

In May, the average length of the day in St Johnston Village, Antigua and Barbuda, is 12.9h.

What is the month with the most sunshine in St Johnston Village?

Months with the most sunshine in St Johnston Village, Antigua and Barbuda, are January through August, with an average of 8h of sunshine.

How many hours of sunshine does St Johnston Village have in May?

In May, the average sunshine is 8h.

What is the month with the highest UV index in St Johnston Village?

Months with the highest UV index in St Johnston Village are March through September, with an average maximum UV index of 12.

What is the UV index intensity in May in St Johnston Village?

In May, the average daily maximum UV index is 12. A UV Index of 11, and more, symbolizes an ultimate hazard to health from the exposure to the Sun's UV rays.
Average temperature in May - St Johnston Village, Antigua and Barbuda
  • Average high temperature in May: 30°C

Warmest months (with the highest average high temperature) are July, August and September (31°C).
Months with the lowest average high temperature are January and February (28°C).

  • Average low temperature in May: 24°C

Months with the highest average low temperature are June, July, August and September (25°C).
Coldest months (with the lowest average low temperature) are January, February and March (22°C).

Average rainfall in May - St Johnston Village, Antigua and Barbuda
  • Average rainfall in May: 91mm

The wettest month (with the highest rainfall) is September (140mm).
The driest month (with the lowest rainfall) is February (37mm).

Average rainfall days in May - St Johnston Village, Antigua and Barbuda
  • Average rainfall days in May: 14 days

Months with the highest number of rainy days are September, October, November and December (17 days).
The month with the lowest number of rainy days is April (11 days).

Average sea temperature in May - St Johnston Village, Antigua and Barbuda
  • Average sea temperature in May: 27°C

The best month for swimming (with the highest average sea temperature) is September (29°C).
Coldest months (with the lowest average sea temperature) are January, February, March and April (26°C).

Average daylight in May / Average sunshine in May - St Johnston Village, Antigua and Barbuda
  • Average daylight in May: 12.9h

The month with the longest days is June (Average daylight: 13.1h).
The month with shortest days is December (Average daylight: 11.1h).

  • Average sunshine in May: 8h

Months with most sunshine are January, February, March, April, May, June, July and August (Average sunshine: 8h).
Months with least sunshine are September, October, November and December (Average sunshine: 7).

Average UV index in May - St Johnston Village, Antigua and Barbuda
  • Average UV index in May: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
Months with the lowest UV index are January and December (UV index 8).