May weather forecastDuncans, Jamaica
May
Weather in May
The last month of the spring, May, is another warm month in Duncans, Jamaica, with an average temperature varying between 28.6°C (83.5°F) and 25.6°C (78.1°F).Temperature
Duncans ushers in May with an average high-temperature of a still warm 28.6°C (83.5°F), showing a close resemblance to the previous month. A steady low-temperature average of 25.6°C (78.1°F) is logged in Duncans during May, reflecting a modest dip from daytime readings.Heat index
The heat index for May is calculated to be a tropical 33°C (91.4°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
In Duncans, Jamaica, the average relative humidity in May is 77%.Rainfall
May is the month with the most rainfall in Duncans. Rain falls for 18 days and accumulates 90mm (3.54") of precipitation.Daylight
In Duncans, Jamaica, the average length of the day in May is 13h and 1min.On the first day of the month, sunrise is at 05:42 and sunset at 18:31. On the last day of May, sunrise is at 05:32 and sunset at 18:42 EST.
Sunshine
In Duncans, the average sunshine in May is 10.8h.UV index
January, March through December, with an average maximum UV index of 7, are months with the highest UV index in Duncans. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: An average UV index of 7 in May transforms into this advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Duncans, Jamaica
- Average high temperature in May: 28.6°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (26.8°C).
- Average low temperature in May: 25.6°C
The months with the highest average low temperature are July and August (26.8°C).
The coldest month (with the lowest average low temperature) is February (23.8°C).
Average pressure in May
Duncans, Jamaica
- Average pressure in May: 1013.5mbar
The month with the highest atmospheric pressure is January (1015.6mbar).
The month with the lowest atmospheric pressure is October (1011.4mbar).
Average wind speed in May
Duncans, Jamaica
- Average wind speed in May: 14.3km/h
The windiest month (with the highest average wind speed) is December (20km/h).
The calmest month (with the lowest average wind speed) is September (13km/h).
Average humidity in May
Duncans, Jamaica
- Average humidity in May: 77%
The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is March (75%).
Average rainfall in May
Duncans, Jamaica
- Average rainfall in May: 90mm
The wettest month (with the highest rainfall) is May (90mm).
The driest month (with the least rainfall) is February (19mm).
Average rainfall days in May
Duncans, Jamaica
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is September (18.4 days).
The month with the least rainy days is February (10.6 days).
Average daylight in May /
Average sunshine in May
Duncans, Jamaica
- 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 0min).
- Average sunshine in May: 10h and 48min
The months with the most sunshine are July and August (Average sunshine: 11h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 36min).
Average sunshine days in May
Duncans, Jamaica
- Average sunshine days in May: 11.6 days
The month with the most sunshine days is December (18 days).
The month with the least sunshine days is September (9.8 days).
Average UV index in May
Duncans, Jamaica
- Average UV index in May: 7
The months with the highest UV index are January, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is February (UV index 6).
Average cloud cover in May
Duncans, Jamaica
- Average cloud cover in May: 28
The months with the most cloud cover are January, May and November (Cloud cover 28).
The month with the least cloud cover is July (Cloud cover 21).
Average visibility in May
Duncans, Jamaica
- 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).
