Climate and monthly weather forecast
Falmouth, Jamaica

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The climate of Falmouth

Dominating the weather conditions of Falmouth, Jamaica, is a tropical wet and dry climate, specifically classified as Aw under the Köppen climate classification. Geographically, Falmouth is situated near the equator, a factor that significantly influences its climate.

Throughout the year, Falmouth's weather parameters demonstrate fairly homogeneous characteristics, with only slight fluctuations. Average high temperatures range from 26.8°C (80.2°F) to 29.7°C (85.5°F), while lows hover between 24°C (75.2°F) and 26.8°C (80.2°F). Humidity remains consistently high, with an annual relative average ranging from 75 to 78%.

Rainfall distribution is somewhat variable, with monthly averages ranging from 19mm (0.75") to 90mm (3.54"). The most noticeable spike in rainfall occurs during the months of May and September, coinciding with 18 rainfall days in each of these months. Wind speeds vary slightly from 14.3km/h (8.9mph) to 20km/h (12.4mph), with gusts reaching up to 28km/h (17.4mph).

Another consistent aspect of Falmouth's climate is the sea temperature, fluctuating in a narrow range of 27.1°C (80.8°F) to 29.8°C (85.6°F) throughout the year. The UV index stays steady at 7 all year round, signifying an environment with high exposure to UV rays. Visibility, too, remains constant at 10km (6.2mi), irrespective of the month.

Despite a few extremely wet months, Falmouth's climate is quite predictable and stable, with minimal severe weather occurrences. The cloud cover percentage fluctuates between 21% and 28%, contributing to considerable hours of sunshine ranging from 6.6 hours to 11.5 hours daily.

The best time to visit Falmouth

Considering the various factors such as temperature, rainfall, daylight hours, and sunshine hours, the best time to visit Falmouth would be during the spring months of April and May. During this period, temperatures are relatively moderate, ranging from 27.9°C (82.2°F) to 28.6°C (83.5°F) during the day, and 24.8°C (76.6°F) to 25.6°C (78.1°F) at night. Similarly, the sea temperature remains comfortable, at 27.8°C (82°F) to 28.3°C (82.9°F).

Furthermore, these months witness relatively lesser rainfall, with the average volume standing at 50mm (1.97") and 90mm (3.54"), respectively. Concurrently, an adequate amount of sunlight, ranging from 10.6 hours to 10.8 hours per day, enhances the overall visitant experience during this period.

The worst time to visit Falmouth

The climatic conditions of September make it the least advisable month for a visit to Falmouth. The high rainfall volume of 88mm (3.46"), coupled with 18.4 rainfall days, can cause disruptions to sightseeing plans. Even though temperatures remain relatively high, ranging from 26.7°C (80.1°F) to 29.5°C (85.1°F), the increased precipitation and humidity might affect comfort levels.

Spring weather in Falmouth

Falmouth’s spring weather, indicative of the months from March to May, is marked by gradually increasing temperatures, from 26.9°C (80.4°F) to 28.6°C (83.5°F) and slight increases in rainfall volumes. March and April have relatively lower rainfall with 21mm (0.83") and 50mm (1.97") respectively, but May witnesses an increased volume of 90mm (3.54"). The number of rainfall days also rise, going from 12.3 days in March to 18 in May. Wind speeds stabilize from 17.8km/h (11.1mph) to 14.3km/h (8.9mph), while sea temperatures progressively warm up from 27.3°C (81.1°F) to 28.3°C (82.9°F).

Summer weather in Falmouth

Summer in Falmouth, spanning June to August, brings peak temperatures ranging from 29.3°C (84.7°F) to 29.7°C (85.5°F) with average lows ranging between 26.2°C (79.2°F) and 26.8°C (80.2°F). During this time, rainfall volumes range from 76mm (2.99") to 84mm (3.31") with 14.1 to 18.3 rainfall days. Sea temperatures reach their peak at 29°C (84.2°F) to 29.7°C (85.5°F), perfect for water-based activities.

Autumn weather in Falmouth

From September to November, Falmouth experiences autumn. Temperatures remain on the higher side, with averages moving from 29.5°C (85.1°F) to 28°C (82.4°F) for highs, and lows from 26.7°C (80.1°F) to 25.7°C (78.3°F). Rainfall volumes are noted at their peak with values from 88mm (3.46") to 48mm (1.89") and rainfall days from 18.4 to 13.2 days. Sea temperatures experience a narrow decrease from 29.8°C (85.6°F) to 28.9°C (84°F).

Winter weather in Falmouth

Winter in Falmouth, through December to February, sees slightly decreased temperatures, with average highs ranging from 27.5°C (81.5°F) to 26.8°C (80.2°F) and lows from 24.9°C (76.8°F) to 24°C (75.2°F). These months experience lesser rainfall volumes, from 28mm (1.1") to 33mm (1.3"), and fewer rainfall days ranging from 11 to 12.3 days. The sea temperature during winter remains pleasant, ranging from 28.3°C (82.9°F) to 27.1°C (80.8°F).

Weather in January

Compared to December, January's weather becomes slightly cooler in Falmouth, Jamaica. There is a noticeable decrease in daylight hours but the amount of sunshine hours remains unaffected. Meanwhile, some lowering in the relative humidity can be observed. Weather in January »

Weather in February

February’s weather in Falmouth is much comparable to January, with only tiny variations in temperature and atmospheric pressure. The numbers of rainy days decrease slightly and the cloud cover percentage reduces. February distinguishes itself as the month with the least rain, producing 19mm (0.75") over 10.6 days. Weather in February »

Weather in March

Evaluation of climatological parameters reveals Falmouth’s transition from winter to spring in March. Its weather continues to be very much like February, to which it is adjacent. The increasing number of daylight hours brings a noticeable boost of sunshine as well. Weather in March »

Weather in April

April in Falmouth, Jamaica begins to feel appreciably warmer when compared to the preceding month. The number of rainfall days and amounts increase, emphasizing the commencement of the rainy season. The drop in wind speed and the rise in the sea temperature become more perceivable during this period. Weather in April »

Weather in May

May remains consistently warm in Falmouth, with extended daylight hours. The sea temperature noticeably rises, enhancing beach activities. Interestingly, the relative humidity and cloud cover percentage climb in unison. May exhibits its climatic uniqueness with a high rainfall of 90mm (3.54") over 18 days. Weather in May »

Weather in June

June brings the warmth of early summer to Falmouth as the temperature increases from May. Concurrently, a slight increase in relative humidity makes the weather feel hotter. In spite of the growing rainfall, daily average sunshine hours continue to rise. Weather in June »

Weather in July

July continues the warmth and humidity of June in Falmouth. Daylight hours remain long, favoring outdoor pursuits. A slight drop in rainfall days gives way to increased sunshine duration. July’s weather reveals a higher average temperature range from 26.8°C (80.2°F) to 29.5°C (85.1°F). Weather in July »

Weather in August

August maintains July's atmospheric conditions in Falmouth, with only slight variations. The weather stays warm and invites for outdoor events, despite rainy days. A tiny rise in rainfall accumulation aligns with increased cloud cover percentage. Weather in August »

Weather in September

September initiates a downward bend to the temperature curve in Falmouth, yet the weather remains warm. The rainfall peaks yet again, which is typical for the hurricane season. Even the number of sunshine hours and days experience a small reduction in this period. Weather in September »

Weather in October

Characterized by a steady drop in temperature and reduced sunlight hours, October's weather in Falmouth shifts more towards the cooler side as compared to September. However, a rise in cloud cover percentage and a light decrease in relative humidity maintain the balance in atmospheric conditions. Weather in October »

Weather in November

In November, a fall in temperature and daylight hours signals the approach of winter in Falmouth. The rainfall recedes considerably compared to previous months and the humidity remains constant. Many sunny days create a pleasant environment for outdoor activities. Weather in November »

Weather in December

December's weather in Falmouth showcases lower temperatures as it marks the onset of winter. The rainfall and relative humidity decrease in relation with the declining temperatures. Fewer daylight and sunshine hours put a gentle hold on outdoor activities. Weather in December »
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Frequently asked questions

What part of the year is the coldest in Falmouth?

The coldest period in Falmouth, Jamaica, is January, when temperatures fluctuate between an average high of 26.8°C (80.2°F) and a low of 24°C (75.2°F).

How much does it rain in Falmouth?

Throughout the year, in Falmouth, there are 177.2 rainfall days, and 687mm (27.05") of precipitation is accumulated.

When is the highest UV index in Falmouth?

January, March through December, with an average maximum UV index of 7, are months with the highest UV index in Falmouth.

What is the driest month in Falmouth?

The month with the least rainfall is February, when the rain falls for 10.6 days and typically collects 19mm (0.75") of precipitation.

What month is the sea coldest in Falmouth?

February is the month with the coldest seawater, with an average sea temperature of 26.9°C (80.4°F).

What is the month with the lowest UV index in Falmouth?

The month with the lowest UV index is February, with an average maximum UV index of 6.

What is the least humid month in Falmouth?

The least humid month in Falmouth is March, with an average relative humidity of 75%.

What is the wettest month in Falmouth?

May is the month with the most rainfall in Falmouth, Jamaica. Rain falls for 18 days and accumulates 90mm (3.54") of precipitation.

What is the most humid month in Falmouth?

With an average relative humidity of 78%, June is the most humid month in Falmouth.

When are the longest days in Falmouth?

With an average of 13h and 12min of daylight, June has the longest days of the year in Falmouth.

What is the month with the most sunshine in Falmouth?

July and August, with an average of 11.5h of sunshine, are months with the most sunshine.

What are the warmest months in Falmouth?

The warmest period in Falmouth, Jamaica, tends to be August, when average temperatures fluctuate between a high of 29.7°C (85.5°F) and a low of 26.8°C (80.2°F).

What is the month with the warmest sea water in Falmouth?

September is the month with the warmest seawater in Falmouth, with an average sea temperature of 29.8°C (85.6°F).

What are the months with the least sunshine in Falmouth?

The months with the least sunshine in Falmouth, Jamaica, are November and December, with an average of 6.6h of sunshine.

What is the month with the shortest days in Falmouth?

December has the shortest days of the year, with an average of 11h and 0min of daylight.

Is there Daylight Saving Time (DST) in Falmouth?

Falmouth does not observe Daylight Saving Time (DST). EST timezone is used over the entire year.

Average temperature
Falmouth, Jamaica

Average temperature - Falmouth, Jamaica

The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (26.8°C).

The months with the highest average low temperature are July and August (26.8°C).
The coldest month (with the lowest average low temperature) is February (23.8°C).

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Average pressure
Falmouth, Jamaica

Average pressure - Falmouth, Jamaica

The month with the highest atmospheric pressure is January (1015.6mbar).
The month with the lowest atmospheric pressure is October (1011.4mbar).

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Average wind speed
Falmouth, Jamaica

Average wind speed - Falmouth, Jamaica

The windiest month (with the highest average wind speed) is December (20km/h).
The calmest month (with the lowest average wind speed) is September (13km/h).

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Average rainfall
Falmouth, Jamaica

Average rainfall - Falmouth, Jamaica

The wettest month (with the highest rainfall) is May (90mm).
The driest month (with the least rainfall) is February (19mm).

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Average rainfall days
Falmouth, Jamaica

Average rainfall days - Falmouth, Jamaica

The month with the highest number of rainy days is September (18.4 days).
The month with the least rainy days is February (10.6 days).

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Average sea temperature
Falmouth, Jamaica

Average sea temperature - Falmouth, Jamaica

The best month for swimming (with the highest average sea temperature) is September (29.8°C).
The coldest month (with the lowest average sea temperature) is February (26.9°C).

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Average daylight / Average sunshine
Falmouth, Jamaica

Average daylight / Average sunshine - Falmouth, Jamaica

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).

The months with the most sunshine are July and August (Average sunshine: 11h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 36min).

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Average sunshine days
Falmouth, Jamaica

Average sunshine days - Falmouth, Jamaica

The month with the most sunshine days is December (18 days).
The month with the least sunshine days is September (9.8 days).

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Average UV index
Falmouth, Jamaica

Average UV index - Falmouth, Jamaica

The months with the highest UV index are January, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is February (UV index 6).

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Average visibility
Falmouth, Jamaica

Average visibility - Falmouth, Jamaica

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Falmouth, Jamaica

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