December weather forecast
Biha, Indonesia

December, the first month of the summer in Biha, is still a hot month, with an average temperature ranging between max 30.1°C (86.2°F) and min 22.6°C (72.7°F).

Temperature

With December's arrival, Biha's weather records an average high-temperature of a still hot 30.1°C (86.2°F), marking little difference from November's 30.5°C (86.9°F). Nighttime temperature lowers to an average of 22.6°C (72.7°F) in December.

Heat index

Throughout December, the heat index is appraised at a very hot 39°C (102.2°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly meaningful for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In Biha, the average relative humidity in December is 83%.

Rainfall

In Biha, during December, the rain falls for 28.4 days and regularly aggregates up to 213mm (8.39") of precipitation. Throughout the year, there are 308.4 rainfall days, and 2020mm (79.53") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature in Biha is 29.2°C (84.6°F).
Note: Swimming, diving, and other activities in water temperatures between 25°C (77°F) and 29°C (84.2°F) are thought to be quite enjoyable and satisfying for extended periods, with no discomfort.

Daylight

With an average of 12h and 24min of daylight, December has the longest days of the year in Biha.
On the first day of the month, sunrise is at 05:40 and sunset at 18:05. On the last day of December, sunrise is at 05:54 and sunset at 18:19 WIB.

Sunshine

In Biha, the average sunshine in December is 8.3h.

UV index

March, April, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 7 during December translates into the following guidance:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Watch out! Sand and water enhance the UV exposure you receive.