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.
Rainfall varies much more throughout the year than temperatures. Barbados on average receives about two inches of rain each month from January through May. Late winter to early summer is an ideal time for a vacation or cruise to the island because of the low risk of rain.