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The weather in January is slightly cooler than the previous month. January has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 56% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.9 hours of sunshine per day. It is not an optimal time for sunbathing but it is possible on clearer days in Sumatra.
January has total rainfall of 35.4cm (13.9inches) making it rainy with a chance of occasional heavy tropical showers. There are 20.1 days with some rainfall so there are few clear days to enjoy the beach.
Sea temperatures are a very warm 28°C (83°F). January is an excellent month for swimming in Sumatra with very comfortable temperatures for bathing all day. The sea temperature in January is slightly cooler than the previous month.
Consider visiting Sumatra in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for January.
Yes, January is not an optimal time for sunbathing but it is possible on clearer days in Sumatra.
January has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 56% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.9 hours of sunshine per day. January has total rainfall of 35.4cm (13.9inches) making it rainy with a chance of occasional heavy tropical showers. There are 20.1 days with some rainfall so there are few clear days to enjoy the beach.
More about January temperature and sunshine.
Yes, January is an excellent month for swimming in Sumatra with very warm sea temperatures 28°C (83°F).
More about January sea temperatures.
Yes, January is a good time for a holiday in Sumatra.
January has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 56% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.9 hours of sunshine per day. January has total rainfall of 35.4cm (13.9inches) making it rainy with a chance of occasional heavy tropical showers. There are 20.1 days with some rainfall so there are few clear days to enjoy the beach. It is not an optimal time for sunbathing but it is possible on clearer days in Sumatra. Sea temperatures are a very warm 28°C (83°F). January is an excellent month for swimming in Sumatra with very comfortable temperatures for bathing all day.
More about the January temperatures and sunshine.
Yes, Sumatra is very warm and perfect for sunbathing on clear days in January.
The average maximum temperature in Sumatra in January is 29°C (85°F). The average maximum temperature is 30°C (85°) in the previous month and 30°C (87°F) in the next month.
The average temperature in Sumatra in January is 27°C (80°F). The average temperature is 27°C (80°F) in the previous month and 27°C (81°F) in the next month.
More info about the January temperatures and sunshine.
The average day light hours per day in Sumatra in January are 12.3. The sunshine percentage is 56% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.9 hours of sunshine per day.
More about January sunshine.
The weather in January is slightly cooler than the previous month. The average maximum temperature in Sumatra in January is 29°C (85°F). The average maximum temperature is 30°C (85°F) in the previous month and 30°C (87°F) in the next month.
The average temperature in Sumatra in January is 27°C (80°F). The average temperature is 27°C (80°F) in the previous month and 27°C (81°F) in the next month.
The average minimum temperature in Sumatra in January is 23°C (74°F). The minimum temperature is 23°C (74°F) in the previous month and 23°C (74°F) in the next month.
January has marginally more hours of sunshine than the previous month and hours of sunshine continue to rise into February. During January the average day light hours are 12.3 per day in Sumatra. The sunshine percentage is 56% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.9 hours of sunshine per day.
The ultraviolet index in Sumatra in January is typically 14.3 during January. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in Sumatra in January is 28.1°C (82.6°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in January is slightly cooler than the previous month.
January weather is slightly wetter than the previous month. January has fewer days of rain than the previous month and rainy days continue to drop into February. The average total rainfall in Sumatra in January is 35.4cm (13.9inches) and on average there are 20.1 rainy days in January making it a very wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Sumatra in January is 24°C (76°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning. The dew point is 25°C (77°F) in the previous month and 24°C (24°F) in the next month.
The average maximum relative humidity in Sumatra in January is typically 93.1%. The maximum relative humidity is 97% in the previous month and 94.3% in the next month.
The average relative humidity in Sumatra in January is typically 81.9%. The average relative humidity is 87.6% in the previous month and 80.6% in the next month.
The average maximum wind speed in Sumatra in January is typically 24KM/H (15MPH). The average maximum wind speed is 20KM/H (12MPH) in the previous month and 25KM/H (16MPH) in the next month.
The average wind speed in Sumatra in January is typically 11KM/H (7MPH). The average wind speed is 6KM/H (3MPH) in the previous month and 9KM/H (6MPH) in the next month.
The average wind direction in Sumatra in January is from the North.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
