May weather forecast
Frederiksted, VI

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A sunny bright and clear sky lights up the scenic park near Frederiksted port, in the US Virgin Islands
A sunny bright and clear sky lights up the scenic park near Frederiksted port, in the US Virgin Islands

Weather in May

May offers Frederiksted mild temperatures, increasing from the previous month, with maximums reaching up to 81.5°F (27.5°C) and lows of 79.3°F (26.3°C). The city is bathed in sunlight for a good part of the day, receiving about 10.3 hours of sunshine. Wind speed drops a bit, contributing to the warmth. With the advent of summer, the city records an approximate 2.72" (69mm) of rainfall spread out over 22 days, a noticeable jump from previous months.

Temperature

Frederiksted notes an average high-temperature of a still moderately hot 81.5°F (27.5°C) in May, hardly diverging from April. Consistently, Frederiksted reports average nighttime temperatures of 79.3°F (26.3°C) during May, a marginal step down from its daytime highs.

Heat index

Throughout May, the heat index is calculated to be a hot 87.8°F (31°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

The months with the highest humidity are May through August, with an average relative humidity of 78%.

Rainfall

In May, in Frederiksted, United States Virgin Islands, the rain falls for 21.9 days. Throughout May, 2.72" (69mm) of precipitation is accumulated. Throughout the year, in Frederiksted, there are 254.5 rainfall days, and 29.49" (749mm) of precipitation is accumulated.

Daylight

In Frederiksted, the average length of the day in May is 12h and 58min.
On the first day of May, sunrise is at 5:52 am and sunset at 6:40 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 6:50 pm AST.

Sunshine

In Frederiksted, United States Virgin Islands, the average sunshine in May is 10.3h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. 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 unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 7 during May translates into the following guidance:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Frederiksted?

The average high-temperature and low-temperature in Frederiksted, United States Virgin Islands, during May are 81.5°F (27.5°C) and 79.3°F (26.3°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in May is calculated to be 87.8°F (31°C).

What is the most humid month in Frederiksted?

May through August, with an average relative humidity of 78%, are most humid months in Frederiksted.

What is the average humidity in May in Frederiksted?

The average relative humidity in May is 78%.

How much does it rain in Frederiksted in May?

In Frederiksted, during May, the rain falls for 21.9 days and regularly aggregates up to 2.72" (69mm) of precipitation.

How many hours of daylight does Frederiksted have in May?

In May, the average day length in Frederiksted is 12h and 58min.

When are sunrise and sunset in May in Frederiksted?

In May, on the first day of the month, sunrise is at 5:52 am and sunset at 6:40 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 6:50 pm AST.

How many hours of sunshine does Frederiksted have in May?

The average sunshine duration in May in Frederiksted is 10.3h.

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

The months with the highest UV index in Frederiksted, United States Virgin Islands, are January through December, with an average maximum UV index of 7.

What is the month with the lowest UV index in Frederiksted?

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

How high is the UV index in May in Frederiksted?

In Frederiksted, United States Virgin Islands, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Frederiksted, VI

Average temperature in May - Frederiksted, VI
  • Average high temperature in May: 81.5°F

The warmest months (with the highest average high temperature) are September and October (84.2°F).
The month with the lowest average high temperature is March (78.8°F).

  • Average low temperature in May: 79.3°F

The month with the highest average low temperature is October (82.2°F).
The coldest month (with the lowest average low temperature) is March (76.6°F).

Average pressure in May
Frederiksted, VI

Average pressure in May - Frederiksted, VI
  • Average pressure in May: 29.98"Hg

The months with the highest atmospheric pressure are January, February and June (30.01"Hg).
The months with the lowest atmospheric pressure are October and November (29.9"Hg).

Average wind speed in May
Frederiksted, VI

Average wind speed in May - Frederiksted, VI
  • Average wind speed in May: 12.8mph

The windiest month (with the highest average wind speed) is July (14.7mph).
The calmest month (with the lowest average wind speed) is October (11mph).

Average humidity in May
Frederiksted, VI

Average humidity in May - Frederiksted, VI
  • Average humidity in May: 78%

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

Average rainfall in May
Frederiksted, VI

Average rainfall in May - Frederiksted, VI
  • Average rainfall in May: 2.72"

The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is February (1.18").

Average rainfall days in May
Frederiksted, VI

Average rainfall days in May - Frederiksted, VI
  • Average rainfall days in May: 21.9 days

The month with the highest number of rainy days is August (24.7 days).
The month with the least rainy days is February (16.7 days).

Average daylight in May /
Average sunshine in May
Frederiksted, VI

Average daylight in May / Average sunshine in May - Frederiksted, VI
  • Average daylight in May: 13h and 0min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in May: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in May
Frederiksted, VI

Average sunshine days in May - Frederiksted, VI
  • Average sunshine days in May: 4.7 days

The month with the most sunshine days is March (7.6 days).
The month with the least sunshine days is August (1.8 days).

Average UV index in May
Frederiksted, VI

Average UV index in May - Frederiksted, VI
  • 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).

Average cloud cover in May
Frederiksted, VI

Average cloud cover in May - Frederiksted, VI
  • Average cloud cover in May: 40

The months with the most cloud cover are May and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 33).

Average visibility in May
Frederiksted, VI

Average visibility in May - Frederiksted, VI
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Frederiksted, United States Virgin Islands, USA

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