Electricity is measured in kilowatt â hours (kWh) . One kWh of energy is equal to 1000 watt hours and will power a 100 watt light bulb for 10 hours (100 watts x 10 hours = 1,000 wattâhours = 1 kWh).lectricity is measured in kilowatt â hours (kWh) . One kWh of energy is equal to 1000 watt hours and will power a 100 watt light bulb for 10 hours (100 watts x 10 hours = 1,000 wattâhours = 1 kWh).
The dry season in Barbados lasts from December, through January, February, March, April and May. The average temperature in Barbados during the dry season is between 24 and 28 degrees Celsius (75 to 82 degrees Fahrenheit). Humidity levels in Barbados range between 70 and 76% throughout the year.
Weather in Jamaica in December. Weather in Jamaica in December. One of the coolest and driest months of the year, December is when the high-season begins for vacationing in Jamaica. However, there's no worry for travelers who want warm weather for their vacation during the winter - temperatures are still tropical throughout December.