Georgetown weather in December

December in Georgetown: sweltering, soaked, with clean air — a gamble, with 28 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Georgetown🇬🇾 Guyana · Guianas & Northern Brazil · City54
  1. 66Jan
  2. 69Feb
  3. 68Mar
  4. 61Apr
  5. 47May
  6. 48Jun
  7. 55Jul
  8. 63Aug
  9. 67Sep
  10. 65Oct
  11. 58Nov
  12. 54Dec

#10 of 12 months in Georgetown · #1081 of 1413 destinations to visit in December · comfort 54/100 (tier D)

Days
30°C
Nights
25°C
Wet days
28
Sun
9.5 h
Humidity
84%
Daylight
12 h
Georgetown, Guyana
Photo: David Stanley · CC BY 2.0

Traveller notes on Georgetown in December

Other months in Georgetown

Forum posters consistently name September as Guyana's driest month, even drier than October, and likely the hottest of the year, describing the August-through-November stretch as the drier of the country's two dry seasons. Posters are direct that rain and humidity remain a real presence regardless - Guyana's weather has always been genuinely unpredictable, and posters note it can rain at any time of year even within a nominal dry season. Posters generally describe conditions as hot and humid with frequent rain showers as the baseline, with September simply representing a relative low point in rainfall rather than a guarantee of dry days. Posters generally rate September as one of the better months to visit Georgetown specifically, heat and humidity notwithstanding.
Tripadvisor community · September · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe Georgetown's air as generally hot and humid with rain a frequent occurrence, a pattern that applies broadly across the seasons here given Guyana's equatorial coastal position. Given how few detailed month-specific weather discussions exist for Georgetown, posters' practical advice tends to center more on safety, logistics and things to do than granular climate detail - reflecting how few independent trip reports exist for this destination outside of broader Guyana-country travel planning. Posters generally recommend treating a March visit like any other month here: expect real humidity and a genuine chance of rain on any given day, rather than assuming a distinct dry season the way many other tropical destinations have.
Tripadvisor community · March · 1 month ago · Read more on Tripadvisor ↗

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Georgetown climate normals — December

Daytime high30°C / 85°F🔥 sweltering
Nighttime low25°C / 77°F
Feels like (high)34°C / 93°F
Sea temperature28°C / 83°F♨️ bath-warm
Rainfall264 mm / 10.4 in⛈ soaked
Rainy days28 days
Humidity84%💦 very humid
Dew point24°C / 75°F
Sunshine9.5 h/day
Daylight11.7 h
Wind17 km/h / 11 mph
Air quality (US AQI)48🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Georgetown in December

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusyChristmas and Old Year's Night, school holidays in 4 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Georgetown's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherGeorgetown's best weather comes in February, March and September — separate windows, not one continuous season.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Georgetown in December

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Holiday

    Christmas and Old Year's Night

    15 Dec – 1 Jan · usuallyChristmas & New YearCrowdedClosures

    Stabroek Market and Regent Street are packed with shoppers in the run-up to Christmas; Boxing Day is also a holiday, and Old Year's Night ends with fireworks along the seawall. Source ↗

  • Season

    Wet season

    MonsoonRisk

    28 rainy days and about 264 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in December →

Where is Georgetown?

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Georgetown in December — FAQ

Is December a good time to visit Georgetown?
December in Georgetown: sweltering, soaked, with clean air — a gamble, with 28 rainy days. It ranks #10 of 12 months for Georgetown on SeasonMap's comfort score (54/100).
What is the weather like in Georgetown in December?
In December, Georgetown averages a daily high of 29.5°C and a low of 25°C, with about 264.2 mm of rain over roughly 27.5 rainy days.
What is the air quality in Georgetown in December?
Georgetown has a mean US Air Quality Index of about 48 in December.