May weather forecastGreenwich, Barbados

May

Weather in May

May, the last month of the spring in Greenwich, is another warm month, with an average temperature ranging between max 28.3°C (82.9°F) and min 26.8°C (80.2°F).

Temperature

As April transitions into May, the average high-temperature rests at a still moderately hot 28.3°C (82.9°F), maintaining a close resemblance to the previous month. During May, Greenwich's nights hold steady with an average temperature of 26.8°C (80.2°F), barely dropping from the daytime highs.

Heat index

The heat index value for May is appraised at a hot 32°C (89.6°F). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In Greenwich, the average relative humidity in May is 76%.

Rainfall

In May, the rain falls for 21.7 days. Throughout May, 44mm (1.73") of precipitation is accumulated. In Greenwich, during the entire year, the rain falls for 233.8 days and collects up to 706mm (27.8") of precipitation.

Daylight

In Greenwich, the average length of the day in May is 12h and 44min.
On the first day of the month, sunrise is at 05:37 and sunset at 18:13. On the last day of May, in Greenwich, sunrise is at 05:30 and sunset at 18:21 AST.

Sunshine

In Greenwich, the average sunshine in May is 9.7h.

UV index

The months with the highest UV index in Greenwich 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 value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 7 during May translates into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Updated: Jan 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature in Greenwich, Barbados, during May are 28.3°C (82.9°F) and 26.8°C (80.2°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in May is appraised at 32°C (89.6°F).

In Greenwich, Barbados, the average relative humidity in May is 76%.

In Greenwich, in May, during 21.7 rainfall days, 44mm (1.73") of precipitation is typically accumulated.

In May, the average day length in Greenwich, Barbados, is 12h and 44min.

In May, on the first day of the month, sunrise is at 05:37 and sunset at 18:13. On the last day of the month, in Greenwich, sunrise is at 05:30 and sunset at 18:21 AST.

The average sunshine duration in May in Greenwich, Barbados, is 9.7h.

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

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

In Greenwich, Barbados, 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.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

27.4°C

28.3°C

28.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

25.4km/h

26.2km/h

28.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

9.8

1.8

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Greenwich, Barbados

Average high temperature in May: 28.3°C

The warmest months (with the highest average high temperature) are September and October (28.9°C).
The month with the lowest average high temperature is February (26.8°C).

Average low temperature in May: 26.8°C

The month with the highest average low temperature is October (27.8°C).
The coldest month (with the lowest average low temperature) is February (25.7°C).

Average pressure in May
Greenwich, Barbados

Average pressure in May: 1014.2mbar

The month with the highest atmospheric pressure is June (1014.8mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).

Average wind speed in May
Greenwich, Barbados

Average wind speed in May: 25.8km/h

The windiest months (with the highest average wind speed) are January and February (28.3km/h).
The calmest month (with the lowest average wind speed) is September (19.4km/h).

Average humidity in May
Greenwich, Barbados

Average humidity in May: 76%

The months with the highest relative humidity are June, July, August and November (77%).
The month with the lowest relative humidity is February (74%).

Average rainfall in May
Greenwich, Barbados

Average rainfall in May: 44mm

The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is February (13mm).

Average rainfall days in May
Greenwich, Barbados

Average rainfall days in May: 21.7 days

The month with the highest number of rainy days is July (26.3 days).
The month with the least rainy days is February (11.3 days).

Average daylight in May /
Average sunshine in May
Greenwich, Barbados

Average daylight in May: 12h and 42min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

Average sunshine in May: 9h and 42min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in May
Greenwich, Barbados

Average sunshine days in May: 4 days

The month with the most sunshine days is February (14.3 days).
The month with the least sunshine days is July (1.3 days).

Average UV index in May
Greenwich, Barbados

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
Greenwich, Barbados

Average cloud cover in May: 45

The month with the most cloud cover is June (Cloud cover 49).
The months with the least cloud cover are January and February (Cloud cover 37).

Average visibility in May
Greenwich, Barbados

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).