January weather forecast
Grecia, Costa Rica

The weather in Grecia, Costa Rica, during January typically forecasts a comfortable climate with a gentle breeze. While January falls in the dry season, the average rainfall sits at 21mm (0.83"), significantly low compared to the wetter months. Despite this, the humidity hovers at 75% which gives the air a somewhat fresh sensation. Winds average around 10.5km/h (6.5mph), allowing for a light, refreshing environment. Sunlight graces Grecia for approximately 11.6 hours per day, providing ample daylight for outdoor activities.

Temperature

In January, Grecia's weather conditions record an average high-temperature of a still warm 27.3°C (81.1°F), demonstrating little divergence from the preceding month. Grecia, in the month of January, anticipates a consistent average low-temperature of 16.8°C (62.2°F).

Heat index

In January, the heat index is evaluated at a hot 30°C (86°F). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

In January, the average relative humidity in Grecia is 75%.

Rainfall

In Grecia, in January, it is raining for 11.3 days, with typically 21mm (0.83") of accumulated precipitation. In Grecia, during the entire year, the rain falls for 272 days and collects up to 2217mm (87.28") of precipitation.

Daylight

In January, the average length of the day is 11h and 37min.
On the first day of the month, sunrise is at 05:54 and sunset at 17:27. On the last day of January, sunrise is at 05:59 and sunset at 17:41 CST.

Sunshine

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

UV index

January through April, June, July, September, October and December, with an average maximum UV index of 6, are months with the highest UV index in Grecia. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 6 during January translates into these guidelines:
Deter overexposure. Protecting against the sun's effects is essential. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.