November weather forecast
Jaco, Costa Rica

November sees a downward trend in rainfall, from 383mm (15.08") in October to 130mm (5.12"), signifying the looming end of the rainy season in Jaco, Costa Rica. Despite this, temperatures hold steady, offering warm and comfortable weather. The sea continues its trend of warm temperatures, perfect for marine activities. Mornings are typically bright, while late afternoons can be cloudy or rainy. The wind remains on a steady course, offering a refreshing balance to the warmth.

Temperature

Jaco greets November with an average high-temperature of a still warm 28.3°C (82.9°F), marking a slight deviation from the preceding month. The nights of November in Jaco anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 24.9°C (76.8°F).

Heat index

The heat index value for November is estimated at a tropical 33°C (91.4°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. 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 particularly meaningful for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

The average relative humidity in November in Jaco is 79%.

Rainfall

In November, in Jaco, the rain falls for 24.8 days. Throughout November, 130mm (5.12") of precipitation is accumulated. Throughout the year, in Jaco, there are 236.2 rainfall days, and 1501mm (59.09") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 27.8°C (82°F), November is the month with the coldest seawater in Jaco.
Note: Water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are pleasurable, without feeling uncomfortable even during extended periods.

Daylight

The average length of the day in November in Jaco is 11h and 41min.
On the first day of the month, sunrise is at 05:28 and sunset at 17:15. On the last day of November, in Jaco, sunrise is at 05:39 and sunset at 17:15 CST.

Sunshine

In November, the average sunshine is 8.7h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Jaco, Costa Rica. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Jaco. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 7 in November leads to these recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Beware! Reflecting off water and sand, UV rays are much stronger.