January weather forecast
Tronadora, Costa Rica

Picture a setting of cool breezes, with temperatures ranging from 21.9°C (71.4°F) to 30.8°C (87.4°F), ideal for outdoor activities in Tronadora, Costa Rica. Compared to later months, January brings somewhat temperate weather, slightly cooler with fairly low humidity levels. The sunrise is early, providing plenty of daylight for sightseeing. January's relatively dry climate makes it a pleasant timeframe for vacationers to explore the city’s robust surroundings. With relatively clear skies, it boasts prime conditions for stargazing as well.

Temperature

January's climate in Tronadora shows a minor adjustment in average high-temperatures to a hot 30.8°C (87.4°F) from December's 29.7°C (85.5°F). Throughout the month of January, the nighttime temperature in Tronadora, Costa Rica, dips to an average of 21.9°C (71.4°F).

Heat index

For most parts of January, the heat index is appraised at a very hot 36°C (96.8°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In Tronadora, the average relative humidity in January is 68%.

Rainfall

In January, in Tronadora, the rain falls for 3.8 days. Throughout January, 4mm (0.16") of precipitation is accumulated. Throughout the year, there are 218.6 rainfall days, and 1456mm (57.32") of precipitation is accumulated.

Daylight

In January, the average length of the day is 11h and 35min.
On the first day of January, sunrise is at 05:57 and sunset at 17:28. On the last day of the month, sunrise is at 06:02 and sunset at 17:43 CST.

Sunshine

In Tronadora, the average sunshine in January is 8.3h.

UV index

January through September and December, with an average maximum UV index of 7, are months with the highest UV index in Tronadora. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: The UV index of 7 during January translates into the following guidance:
Take precautions against overexposure. Fair-skinned people may get burned in less 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. During bright days, sunglasses that offer UVA and UVB defense are recommended.