Annual average weather for Nicoya Peninsula, Costa Rica

Annual Temperature for Nicoya Peninsula

The hottest month in Nicoya Peninsula is April when the average maximum temperature is 34°, average temperature is 28° and average minimum temperature is 23°.

The coolest month in Nicoya Peninsula is December when the average maximum temperature is 31°, average temperature is 26° and average minimum temperature is 21°.

Annual Sunshine for Nicoya Peninsula

The longest days in Nicoya Peninsula are in June, with an average of 12.7 hours of daylight per day. January has the shortest days with an average of 11.6 hours of daylight per day.

The sunniest days in Nicoya Peninsula are in February which has the most hours of sunshine per day with an average of 7.9 hours of sunshine per day, making it a quite sunny month with some cloud cover. October has the least sunshine with an average of 4.6 hours of sunshine per day, making it a sunny month that is overcast at times.

The ultraviolet index is the highest in April when it reaches 15.2 and lowest in December when it reaches 10.8.

An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Annual Sea Temperature for Nicoya Peninsula

The warmest sea water temperatures in Nicoya Peninsula are found in April when they peak at 29° and lowest in December when they dip to 27°.

The sea is excellent for swimming all year round as the water temperature is very warm and ideal for relaxing and swimming for the whole day.

Annual Rainfall for Nicoya Peninsula

The wettest month in Nicoya Peninsula is October with 22.5cm of rain and the most days of rain with 21.1 days with some rain, a very wet time to visit the beach.

The driest month in Nicoya Peninsula is January with 0.3cm of rain and the least days of rain with 0.5 days with some rain, an extremely dry time to visit the beach.

Annual Humidity for Nicoya Peninsula

The most humid month in Nicoya Peninsula is September with a dew point (an indicator of humidity) of 24° which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.

The least humid month in Nicoya Peninsula is February with a dew point of 19° which is somewhat uncomfortable for most people in cities but fine on a beach.

Annual Wind Speed for Nicoya Peninsula

The most windy month in Nicoya Peninsula is February when the average maximum windspeed is 34kmh and the average wind speed is 20kmh.

The least windy month in Nicoya Peninsula is October when the average maximum windspeed is 18kmh and the average wind speed is 7kmh.

Monthly Averages

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