January weather forecast
Coto Brus, Costa Rica

January is when Coto Brus kicks off the year on a high note. The weather sees a shift from the typical cold temperatures experienced during December. It transitions gracefully with temperatures fluctuating between 20.5°C (68.9°F) at night and a relatively high of 29.8°C (85.6°F) during the day. Interestingly, the nightly temperatures are relatively much warmer compared to most parts of the globe at this time of the year. Generally speaking, the weather is quite pleasant and enticing for outdoor activities.

Temperature

With January's arrival, Coto Brus, Costa Rica, notes an average high-temperature of a still moderately hot 29.8°C (85.6°F), closely following the trend of the preceding month. In the month of January, Coto Brus records a consistent average low-temperature of 20.5°C (68.9°F).

Heat index

For January, the heat index is evaluated at a sweltering 36°C (96.8°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In January, the average relative humidity in Coto Brus is 77%.

Rainfall

In Coto Brus, during January, the rain falls for 17.4 days and regularly aggregates up to 59mm (2.32") of precipitation. Throughout the year, there are 309.5 rainfall days, and 2106mm (82.91") of precipitation is accumulated.

Daylight

The average length of the day in January in Coto Brus is 11h and 40min.
On the first day of the month, sunrise is at 05:47 and sunset at 17:24. On the last day of January, sunrise is at 05:53 and sunset at 17:37 CST.

Sunshine

In Coto Brus, the average sunshine in January is 9.5h.

UV index

The months with the lowest UV index are January, February, June through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, a daily UV index of 6 turns into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.