Grand Turk Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Grand Turk, Turks & Caicos Islands. This average is based on long-term data collected between 1990 and 2020. Now, let's explore all the details to give you a full picture.

On average, Grand Turk receives a reasonable amount of rainfall, with an annual precipitation of 761 mm (30 in).

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

The climate in Grand Turk shows significant variation throughout the year. Expect 119 mm (4.7 in) of precipitation during the wettest month September, distributed over 17 rainy days.

In contrast, February offers drier and sunnier days, with around 31 mm (1.2 in) of rainfall over 10 rainy days.

September, the wettest month, has a maximum daytime temperature of 30°C (86°F). During the driest month February you can expect a temperature of 26°C (79°F). For more detailed insights into the city's temperatures, visit our Grand Turk Temperature page.

Grand Turk's average annual precipitation is 761 mm (30 in). Let's compare this to some popular worldwide tourist destinations:

The city of Rome, Italy, has an average annual precipitation of 832 mm (33 in), spread fairly evenly throughout the year.

In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.

Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.

Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

The proximity of a location to a large body of water can significantly affect its rainfall patterns:

• Ocean Influence: Coastal regions typically receive more rainfall due to the presence of moisture-laden winds from the ocean. These regions tend to have more humid climates and experience more frequent precipitation, especially in winter.
• Continental Climates: Areas further from the sea, such as inland or continental regions, experience less frequent rainfall and more extreme seasonal variations in precipitation.

• Mawsynram in India is noted as being the wettest place on earth, with over 11 meters (36 feet) of rain falling every year.
• In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm (0.004 inches) per year, with some years recording virtually no rainfall.
• Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.

For more detailed information about Grand Turk's weather, including sunshine hours, humidity levels, and temperature data, visit our Grand Turk Climate page.