December weather forecast
Oriximiná, Brazil

December, the first month of the summer in Oriximiná, is also a hot month, with an average temperature ranging between min 23.6°C (74.5°F) and max 33.4°C (92.1°F).

Temperature

Upon the beginning of December, Oriximiná's high-temperatures register at a hot 33.4°C (92.1°F), closely mirroring the preceding month. In December, the nighttime temperature lowers to an average of 23.6°C (74.5°F).

Heat index

December's average heat index is appraised at a life-threatening hot 45°C (113°F). Stay mindful: Heat exhaustion and heat cramps are likely. Heatstroke could follow extended physical effort.
Heat index determinations are made taking into account the shade and light air movements. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to 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 human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The average relative humidity in December is 71%.

Rainfall

In Oriximiná, Brazil, during December, the rain falls for 22.5 days and regularly aggregates up to 125mm (4.92") of precipitation. In Oriximiná, during the entire year, the rain falls for 255.8 days and collects up to 1420mm (55.91") of precipitation.

Daylight

With an average of 12h and 12min of daylight, December has the longest days of the year.
On the first day of December in Oriximiná, Brazil, sunrise is at 06:26 and sunset at 18:39. On the last day of the month, sunrise is at 06:40 and sunset at 18:53 -03.

Sunshine

In Oriximiná, the average sunshine in December is 8h.

UV index

The average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 7 in December transforms into this advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.