Hillsborough Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hillsborough.
Climate overview of Hillsborough
The climate in Hillsborough, Carriacou Island, Grenada, is remarkably consistent, with temperatures year-round averaging 29°C (84°F). The warmest month is September at 30°C (86°F), and the coolest is February at 28°C (82°F).
With around 1232 mm (49 in) of annual rainfall, Hillsborough has a notably wet climate. However, this rainfall is not evenly distributed, the city has a distinct dry season from February to March. The wettest month is October. January is the sunniest month, averaging 9.3 hours of sunshine per day.
Hillsborough Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hillsborough - and find the best time to visit.
Monthly Temperature in Hillsborough
In Hillsborough temperatures are generally consistent throughout the year. Average daytime temperatures reach a comfortable 30°C (86°F) in September. In February, the coolest month of the year, temperatures drop to a comfortable 28°C (82°F).
At night, temperatures range from around 27°C (81°F) in September to 25°C (77°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hillsborough
Hillsborough experiences significant rainfall throughout the year, averaging 1232 mm (49 in) of precipitation annually. Hillsborough can be quite wet during October, receiving approximately 169 mm (6.7 in) of precipitation over 17 rainy days.
In contrast, during the driest month (February), you will experience much drier conditions, with 37 mm (1.5 in) of precipitation spread across 10 rainy days. For more details, please visit our Hillsborough Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Hillsborough
Hillsborough experiences moderate variation in sunshine hours across the seasons. With 9.3 hours daily sunshine in January, it dips to 7.0 hours in June, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Hillsborough
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March, April, May and December
- Warmest weather: April, May, June, July, August, September, October, November and December
- Most sunshine: January
- Fewest rainy days: April
- Seasonal pattern: A distinct dry season from February to March
Frequently asked questions about the climate in Hillsborough
What is the best time to visit Hillsborough?
January, February, March, April, May and December typically offer the most optimal weather in Hillsborough. In contrast, September tends to have less optimal conditions. Hillsborough has a distinct dry season from February to March.
What temperatures can I expect in Hillsborough?
Daytime highs range from 28°C (82°F) in February to 30°C (86°F) in September. Nighttime lows range from 25°C (77°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Hillsborough get?
Annual rainfall is around 1232 mm (49 in). October is the wettest month with 169 mm (6.7 in), while February is the driest with 37 mm (1.5 in).
How sunny is Hillsborough?
Hillsborough receives around 2,892 hours of sunshine per year. January is the sunniest month with 279 hours, while June is the cloudiest with just 210 hours. Overall, Hillsborough enjoys abundant sunshine.
Hillsborough 3-Day Forecast
Hillsborough on the map
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