Hillsborough
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Hillsborough Weather in December

Thinking of visiting Hillsborough in December? Expect high temperatures reaching 28°C (82°F) during the day, dropping to 26°C (79°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Hillsborough in December

Typically, you can expect about 18 days of rain this month, with 78 mm (3.1 in) on average. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Hillsborough in December

The temperature in Hillsborough in December is excellent. Daytime highs reach 28°C (82°F), with nights dropping to 26°C (79°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Hillsborough in December

The month enjoys around 248 hours of sunshine, creating mostly sunny days with good weather conditions.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May and December typically offer the best weather for Hillsborough.

Hillsborough Temperature in December

Min Temperature
26°C (79°F)
Max Temperature
28°C (82°F)
Chance of Rain
58%
Precipitation
78 mm (3.1 in)
Rainy days
18 days
Sunshine
248 hours *
Percentage Sunshine
*
* Data from: Grenada, Grenada (40 KM, 25 Miles).

Hillsborough Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Hillsborough - and find the best time to visit.

Daily Historical Temperatures

43-year average (1976-2025)

Based on our historical records, temperatures in Hillsborough typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 25°C (77°F).

Average temperatures in December

Historical weather records for Hillsborough in December

Browse day-by-day weather records for Hillsborough spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Hillsborough historical weather extremes in December

The extremes listed below come from historical weather data collected in Hillsborough from 1990 through 2025.

  • On December 30, 1998, temperatures climbed to 34°C (93°F), marking the warmest December day on record.
  • The coldest December day was on December 17, 2001, with a maximum of 26°C (79°F).
  • Nighttime temperatures dropped to 20°C (68°F) on December 23, 1990, marking the coldest December night on record.

Best Places in Grenada in December

Find out more about the weather in Grenada and which places have the best travel conditions in this month. See all of Grenada in December →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Hillsborough in December

Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Hillsborough in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    9/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    7/10
  • Outdoor sports
    7/10

Hillsborough 3-Day Forecast

More climate data for Hillsborough

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.