Climate and monthly weather forecastFortuna, Costa Rica

The climate of Fortuna

Fortuna, a locality situated in Costa Rica, exhibits climate conditions dominated by the Köppen classification Aw, indicative of a tropical wet and dry or savanna climate. The region is distinguished by its tropical nature, characterized by significant temperature differences throughout the year, with monthly average high temperatures ranging from 28°C (82.4°F) to 32°C (89.6°F) and lows oscillating between 21°C (69.8°F) to 24°C (75.2°F).

Rainfall shows significant variance over the months. The wettest part of the year occurs from May to November with precipitation amounts escalating to a maximum of 462mm (18.19") in July and steadily descending to a minimum of 81mm (3.19") in March. The year witnesses the maximum number of rainfall days, up to 23 in September, gradually reducing down to seven days by February and March.

Daylight hours exhibit modest variation spanning from 11.5 hours in December to a peak of 12.7 hours in June and July. The UV index remains consistently high throughout the year, lingering at a 12 from February to October, indicative of the intensity of solar radiation. The duration of sunshine also exhibits moderate variation with a high of 7 hours from February to April and gradually tapering off to a low of 5 hours in September and October.

The best time to visit Fortuna

The months featuring fewer rainfall days and lower rainfall volume, coupled with moderate temperatures, provide an optimal window for travel plans. Taking these factors into account, the most favorable period for visiting Fortuna extends from February to April. March stands out as a particularly appealing month with an average high temperature of 32°C (89.6°F) and a low of 23°C (73.4°F), the lowest rainfall at just 81mm (3.19"), stretching across only seven days, and daylight extending to a generous 12.1 hours.

The worst time to visit Fortuna

The periods marked with heavy rainfall and numerous rainfall days may not constitute the ideal time for travel and outdoor activities. From May to November, the weather displays a propensity towards increased precipitation, peaking at 462mm (18.19") in July spread across an average of 22 days. September could prove to be considerably challenging for travelers with the shortest sunshine duration of just five hours and up to 23 rainy days.

Spring weather in Fortuna

In the tropical savanna climate of Fortuna, spring months of March, April, and May witness a steady transition from the dry to the rainy season. Average high temperatures maintain at 32°C (89.6°F) in March and April and decline slightly to 30°C (86°F) in May. Low temperatures marginally rise from 23°C (73.4°F) in March to 24°C (75.2°F) in May. April sees rainfall elevate to 106mm (4.17") spread across eight days, following the dry and warmer March which records only 81mm (3.19") of rainfall over seven days.

Summer weather in Fortuna

Experiencing an inverse climatic pattern, the summer months from June to August in Fortuna bring a surge in rainfall, recording the highest average amounts for the year. June, July, and August see precipitation levels of 406mm (15.98"), 462mm (18.19"), and 426mm (16.77") respectively. Notwithstanding, average high temperatures remain fairly stable at 29°C (84.2°F) during this period, with lows consistent at 22°C (71.6°F). June and July enjoy the maximum daylight duration of 12.7 hours.

Autumn weather in Fortuna

The months of September, October, and November carry on the trend of substantial rainfall from late summer, albeit with a gradual decrease to 320mm (12.6") by November. The temperatures hover consistently around a high mark of 29°C (84.2°F) to a low of 22°C (71.6°F) to 21°C (69.8°F). The daylight hours show a descending trend from 12.2 hours in September to 11.7 hours by November, coinciding with the tapering off in rainfall.

Winter weather in Fortuna

In the winter months of December, January, and February, Fortuna sees a significant decrease in rain volumes with December recording the lowest amount of 271mm (10.67") over 14 days. The average high and low temperatures range from 29°C (84.2°F) to 30°C (86°F) and 21°C (69.8°F) to 22°C (71.6°F) respectively. Daylight hours decrease to their lowest at 11.5 hours in December and start increasing again to 11.8 hours in February. This period also marks the gradual transition to drier weather conditions moving towards spring.

Weather in January

January in Fortuna, Costa Rica, is characterized by moderately warm weather, with the temperature fluctuating gently from 21°C (69.8°F) to 29°C (84.2°F). Sunshine hours are limited to 6 hours on average, implying that days are relatively shorter as compared to other months. Weather in January »

Weather in February

February exhibits slightly warmer conditions in Fortuna, Costa Rica, with temperatures ranging from 22°C (71.6°F) to 30°C (86°F). This month, on average, experiences less rainfall and more sunshine hours than January, making it a preferable time for tourists. Weather in February »

Weather in March

March marks the onset of rising temperatures in Fortuna, Costa Rica, recording an average high and low of 32°C (89.6°F) and 23°C (73.4°F) respectively. Along with increased temperatures, this month also witnesses a decrease in rainfall, offering plenty of opportunities for outdoor exploration. Weather in March »

Weather in April

April's weather portrait in Fortuna, Costa Rica presents an average temperature climbing to a high of 32°C (89.6°F) while dipping to a low of 24°C (75.2°F). Despite the consistent high temperatures, April also introduces a rise in rainfall, resulting in slightly wetter conditions than March. Weather in April »

Weather in May

May brings forth an increased rainfall of 260mm (10.24") in Fortuna, Costa Rica, heralding the start of the wet season. In contrast, the temperature marginally drops, yet remains within the comfortable range for most individuals. Owing to the extended period of daylight, outdoor activities stay in the agenda despite the increased rainfall. Weather in May »

Weather in June

June in Fortuna, Costa Rica indicates further intensification of the rainy season, with June being one of the wettest months of the year. The temperature plateaus, enabling a comfortable atmosphere despite the increased precipitation. Weather in June »

Weather in July

July brings peak rainfall of 462mm (18.19"), marking it the wettest month in Fortuna, Costa Rica. Correspondingly, the temperature and daylight hours remain comparatively the same as June, maintaining a consistency in the weather pattern. Weather in July »

Weather in August

The weather in August, mimics July in Fortuna, Costa Rica, maintaining a high rainfall and fairly stable temperatures. Despite the persistent rainfall, the allocation of daylight hours paves the way for potential outdoor assignments. Weather in August »

Weather in September

September in Fortuna, Costa Rica embraces the wet season with high rainfall, closely mirroring the trend in August. The temperatures remain steady, offering a comfortable climate for inhabitants. Daylight duration begins a gradual decrease, limiting the timeframe for outdoor ventures. Weather in September »

Weather in October

October brings a slight reduction in rainfall in Fortuna, Costa Rica, hinting towards an upcoming transition into the dry season. The decrease in rainfall paves the way for more outdoor exploits, despite the shortened daylight hours. Weather in October »

Weather in November

November, the last month of the autumn in Fortuna, is warm month, with an average temperature ranging between min 21°C (69.8°F) and max 28°C (82.4°F). In Fortuna, November is the month with the lowest recorded average temperatures, measuring a high of 28°C (82.4°F) and a low of 21°C (69.8°F). Weather in November »

Weather in December

December indicates a noticeable reduction in the rainfall, being registered at 271mm (10.67"), an indicator for the start of the dry season in Fortuna, Costa Rica. The temperature range remains steady, offering a milder climate, ideal for exploring the region. Weather in December »