Climate and monthly weather forecast
Flores Island, Portugal

Flores Island, Portugal, falls under the Cfb category of the Köppen climate classification, indicating a marine west coast climate with a warm summer. The geographical positioning of the island on the Atlantic Ocean heavily influences its temperate maritime climate, marked by mild temperatures and noticeable humidity throughout the year.

Throughout the twelve months, temperatures display a relatively narrow range. The highest average temperatures, up to 25.3°C (77.5°F), occur in the mid-year period, spanning from June to September. In contrast, the cooler months, from November to April, witness a decline, with the temperatures dipping to an average low of 10.9°C (51.6°F) in February. Despite these shifts, the mercury never plummets drastically, a characteristic emblematic of a temperate maritime climate.

An intriguing peculiarity in the island's climate is its noticeable precipitation. Rainfall permeates the weather narrative of Flores Island all round the year. The island witnesses its maximum rainfall of 211mm (8.31") in December, while the least amount of rainfall is observed in July, clocking in at 63mm (2.48"). Each month routinely experiences rainfall, tallying between 15 days in July to nearly 25 days in December.

Finally, daylight hours on the island vary from 9.4 hours in December to 14.9 hours in June. Thus, the winters appear somewhat gloomy with less natural light, contrasted by long, bright summers.

Considering the nature of a maritime climate, a visit to Flores Island between the months of May and September ensures the warmest and driest weather conditions. A traveller during this span would experience temperatures ranging from 16.9°C (62.4°F) to 25.3°C (77.5°F), comfortably warm to enjoy an array of outdoor activities. Rainfall is comparatively less frequent during these months, with July witnessing only 63mm (2.48") of precipitation.

For those seeking to avoid the rain, Flores Island could potentially be challenging to visit from October through February. This period introduces the rainiest months of the year, with rainfall in December reaching up to 211mm (8.31"), spanning nearly 25 days. Also, the temperatures during this period would range from 16.3°C (61.3°F) to 11.3°C (52.3°F), feeling decidedly cooler compared to the rest of the year.

Spring in Flores Island, which spans from March to May, offers a moderate climate. The temperatures show a gradual increase, rising from 16.9°C (62.4°F) in March to 19.3°C (66.7°F) in May. Correspondingly, the rainfall decreases from 139mm (5.47") to 96mm (3.78"), signaling a transition from the wetter winter months to drier summer months. Daylight hours also sees an increase during this period, ameliorating from 12 hours in March to 14.4 hours in May.

Summers in Flores Island are generally warm and relatively dry. From June to August, temperatures hover between 21.7°C (71.1°F) to 25.3°C (77.5°F) during the day time. Simultaneously, rainfall reduces significantly with July witnessing the least amount of rain, measuring only 63mm (2.48"). Daylight is at a yearly peak during summers extending up to 14.9 hours in June.

The transition of weather from summer to winter during the months of September to November marks the autumn period in Flores Island. Average temperatures drop from 24°C (75.2°F) in September to 19.3°C (66.7°F) in November. Correspondingly, rainfall increases, moving swiftly from 128mm (5.04") in September to 192mm (7.56") in November. Daylight hours also lessen from 12.4 hours to 10 hours in November.

Winters in Flores Island are distinctly cool and wet. From December to February, temperatures range from 17.6°C (63.7°F) to 16.3°C (61.3°F). These months also present the peak rainfall season, peaking at 211mm (8.31") in December. Despite being the coldest period of the year, daylight does witness a gradual increase from 9.4 hours in December to 10.7 hours in February, indicating the arrival of the forthcoming spring.

January sees the onset of winter on Flores Island in Portugal. The month records an average daily temperature range from 11.3°C (52.3°F) to 16.5°C (61.7°F). Days are usually short with 9.8 hours of daylight, and the landscape often appears bleak under a recurrent blanket of cloud cover. Weather in January »

In February, the weather condition on Flores Island remains largely unchanged from that in January, albeit with minor fluctuations in temperature and rainfall. The coldest month of the year, February records low temperatures of 10.9°C (51.6°F), while the mercury hovers around 16.3°C (61.3°F) at its highest. Weather in February »

As March arrives, Flores Island witnesses a gradual transition towards spring. Compared to February, the average high temperature increases to 16.9°C (62.4°F), while the low remains steady at 11.5°C (52.7°F). The island experiences lesser precipitation with average rainfall decreasing to 139mm (5.47") and spread across 21.1 days. Weather in March »

April heralds in the true essence of spring on Flores Island, with rising temperatures and declining rainfall. Day temperatures rise to a pleasing 17.5°C (63.5°F) on average, providing the residents with a mild climate. Rainfall continues to plummet, improving the overall atmospheric conditions. Weather in April »

May encompasses warmer temperatures on Flores Island, as the end of spring gives way to the early onset of summer. Days progressively heat up to average maximums of 19.3°C (66.7°F), ensuring mild but pleasant afternoons. There's a substantial drop in rainfall volume, signalling the changing seasonal dynamics. Weather in May »

The weather in June marks the start of the sunny season on Flores Island. June witnesses a further increase in temperatures with maximums averaging 21.7°C (71.1°F). The drier conditions influence the island’s visual appeal, dressing it in lush greenery surviving on the significantly low average rainfall amount of 86mm (3.39"). Weather in June »

July carries forth the warm summer weather that June initiates on Flores Island. The hot dry phase peaks with temperatures hitting average highs of 24.2°C (75.6°F). The island experiences a substantial decrease in rainfall, with July holding the distinction of being the driest month of the year. Weather in July »

August continues the summer theme on Flores Island with temperatures peaking at an average 25.3°C (77.5°F), making it the hottest month of the year. Despite the heat, the air remains comfortable, with soothing oceanic breezes providing respite. Weather in August »

September brings a gradual close to the summer season on Flores Island. Despite temperatures cooling to an average high of 24°C (75.2°F), it remains warm enough to enjoy outdoor activities. However, with rainfall volume shooting up to 128mm (5.04"), the late summer period is punctuated with sporadic showers. Weather in September »

Autumn sets in earnestly in October on Flores Island, bringing with it changes in both temperature and rainfall. The month sees a further dip in temperatures, with daily highs averaging 21.5°C (70.7°F). Rainfall makes a comeback in October, with the monthly average increasing to 147mm (5.79"). Weather in October »

November is characterised by the progressive dominance of rain and a drop in temperatures on Flores Island. The month sees a further cooling of weather, with temperatures staying between 14.2°C (57.6°F) and 19.3°C (66.7°F). Weather in November »

December marks the onset of the winter season on Flores Island. The average temperature decreases further, with average highs and lows of 17.6°C (63.7°F) and 12.5°C (54.5°F) respectively. With rainfall peaking at 211mm (8.31") over 24.7 days, December bears the distinction of being the wettest month of the year. Weather in December »