Climate and monthly weather forecastMero, Dominica

The climate of Mero

Standing on geographical coordinates that place it in the heart of the Caribbean, Mero's climate fits snugly into an Af, or Tropical rainforest, classification under the Köppen climate scale. This indicates consistent rains throughout the year, coupled with high temperatures and levels of humidity.

Neither temperatures highs nor lows fluctuate greatly across the year, with an annual peak of 29.1°C (84.4°F) occurring in September. The coolest months remain very warm, with a yearly low reaching down to only 24.8°C (76.6°F) in February. Humidity creeps annually from 74% upwards to a peak of 77% from May to August. The wind has gentle changes with speed from 19.3km/h (12mph) in October to 26.1km/h (16.2mph) in January, without drastic spikes.

Precipitation in Mero is a year-long event coursing through a high plateau. The dry season, as it were, still witnesses substantial showers from 23mm (0.91") in February to 34mm (1.34") in January. However, the wet season inundates Mero much more dramatically, where rainfall pours between 44mm (1.73") in June to a notable 82mm (3.23") in September. This period also sees greater cloud coverage, peaking at 47% in June to lower percentages during the less rainy part of the year.

The best time to visit Mero

A review of climatological metrics strongly suggests that the period from December to April offers the most hospitable conditions for visitation. In this frame, rainfall is lower with values from 23mm (0.91") to 46mm (1.81") as opposed to up to 82mm (3.23") in the wetter part of the year. Temperatures remain warm, but more manageable by falling on the cooler side of the yearly threshold, and relative humidity hangs around the annual low point at 74% to 75%.

The worst time to visit Mero

The period starting from May up to November springs forward with heightened climatic drama in Mero. If one prefers not to experience very heavy rainfall ranging from 44mm (1.73") in June to reaching up to 82mm (3.23") in September, this period might not be ideal. Also, temperatures and humidity are at their most intense in these months, with mercury readings from 28.4°C (83.1°F) to 29.1°C (84.4°F), and moisture-saturated air ranging from 76 % to 77 %.

Spring weather in Mero

Despite the absence of traditional spring, from March to May, Mero's temperature stays constant within a narrow margin, with highs from 26.5°C (79.7°F) to 28.4°C (83.1°F), and lows from 25.1°C (77.2°F) to 26.9°C (80.4°F). These months have a noticeable increase in rainfall, with up to 57mm (2.24") coming down in May. Relative humidity increases slightly from 75% in March to 77% in May.

Summer weather in Mero

In the heart of the Caribbean, Mero's summer months from June to August embody the Tropical Rainforest climate, with high temperatures from 28.4°C (83.1°F) to 29°C (84.2°F), and lows from 26.9°C (80.4°F) to 27.3°C (81.1°F). Voluminous showers become the norm, indeed the sky is generous with rainfall from 44mm (1.73") in June to the yearly peak of 80mm (3.15") in August. Relative humidity hovers around the annual peak at 77%.

Autumn weather in Mero

Autumn in Mero follows the trend from September to November, keeping temperatures warm at a high of 28.4°C (83.1°F) to 27.8°C (82°F) and a low from 27.1°C (80.8°F) to 26.6°C (79.9°F). The peak in rainfall occurs in September with 82mm (3.23"), then slightly decreases to 73mm (2.87") in November. The relative humidity stays near the annual maximum at 77%.

Winter weather in Mero

Despite being in winter months from December to February, Mero does not see a significant drop in temperature. Highs remain between 26.2°C (79.2°F) and 26.8°C (80.2°F) and lows from 24.8°C (76.6°F) to 25.8°C (78.4°F). These months record less rain with precipitation levels of 34mm (1.34") in January, and down to 23mm (0.91") in February. However, relative humidity stays consistent at 74% to 76%. There is a slight increase in wind speed in January at 26.1km/h (16.2mph).

Weather in January

January in Mero, Dominica, showcases humid weather conditions, with relative humidity recorded at 75%. Notable for its frequent rain with approximately 19 days of rainfall in this month, people should prepare for a wet start to the year. Weather in January »

Weather in February

Contrastingly, February experiences a slight drop in both temperature and humidity. The rainfall sees a decrease as well, recording 23mm (0.91") of total precipitation, compared to January's 34mm (1.34"). With less rain, February endows the residents of Mero with more sunshine hours, albeit not drastic. Weather in February »

Weather in March

The weather patterns shift yet again in March, interestingly, with an increase in daylight which stands at 12.1 hours. This increase provides more hours for sun-lovers to soak up some rays; however, the rainfall also sees a small rise resulting in mixed weather conditions. Weather in March »

Weather in April

April brings about a noticeable change in Mero, both in terms of rainfall and humidity. A significant jump is seen in rainfall from 27mm (1.06") in March to 46mm (1.81") in April, coupled with a 1% increase in humidity. The change in these climatological parameters directly manifests as a shift towards noticeably wetter conditions. Weather in April »

Weather in May

In May, the weather in Mero takes a turn towards heightened warmth with higher temperatures on the spectrum. However, the climatological element worth noting is the rainfall, peaking at 57mm (2.24"). With the increase in rainfall, the humidity levels slightly elevate, further enhancing the tropical aura. Weather in May »

Weather in June

June features more or less stable weather conditions, with a slight reduction in rainfall down to 44mm (1.73"). The interesting aspect of Mero in June is the maximum daylight of 13 hours, the highest recorded throughout the year. The enhancement in sunlight duration balances the persistent tropical climate, offering daily warmth with substantial periods of sunshine. Weather in June »

Weather in July

July signifies peak tropical weather, recording the highest temperatures and another surge in rainfall, touching 72mm (2.83"). Interestingly, the wind speeds reach the fastest pace of 25km/h (15.5mph), perhaps providing marginal relief from the otherwise consistent heat and humidity. Weather in July »

Weather in August

August continues the pattern established by July, as temperatures remain high. However, this is the month where Mero sees a significant enhancement in rainfall, recording the highest annual rainfall of 80mm (3.15"). Simultaneously, there is a decrease in wind speed, which combined with the rainfall, lends the weather a wetter and increasingly humid touch. Weather in August »

Weather in September

Equally wet as August, but slightly warmer, with September begins the gradual subsiding of the year-long rainy season in Mero. The humidity remains high at 76% but the slight drop in temperature might bring locals some respite. Weather in September »

Weather in October

October presents itself with a minor fall in temperatures making it a tad cooler than September. Similarly, rainfall decreases a little bit as well, clocking in at 80mm (3.15") down from September's 82mm (3.23"). Even though these changes are relatively small, they play into making October an agreeably comfortable month. Weather in October »

Weather in November

As November rolls in, the weather in Mero changes subtly. Slight cooling continues with decrease in both humidity and temperature levels combined with a drop in rainfall to 73mm (2.87"). This month also marks a decrease in the number of sunshine hours, giving dominion to slightly cooler, breezier days. Weather in November »

Weather in December

December, the final month of the year, brings further relief as temperatures start to cool off, albeit rather slightly. There is a significant fall in rainfall, concluding the year with 45mm (1.77"), signaling a dry spell following a year filled with frequent showers. Weather in December »