Climate averages 1991–2020
Georgetown weather
in December.
A warm, very wet month: the 10th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Georgetown: daytime highs average 27.2°C and nights cool to about 24.4°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 207 mm of rain on roughly 27 days, which makes December a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 44 min on an average December day.
The nearest other city in this atlas is Paramaribo (346 km away). In December its highs average 28.7°C, 1.5°C warmer than Georgetown, with 140 mm of rain.
From December to January, average highs fall by 0.4°C to 26.8°C, and monthly rainfall falls from 207 mm to 160 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Georgetown climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.8°C24.1°C | 24.1°C | 160 | 23.5 | 11.812 h |
| February | 27.0°C24.2°C | 24.2°C | 107 | 18.5 | 11.912 h |
| March | 27.4°C24.5°C | 24.5°C | 93 | 18.6 | 12.112 h |
| April | 27.7°C24.9°C | 24.9°C | 130 | 20.1 | 12.312 h |
| May | 27.7°C24.7°C | 24.7°C | 253 | 26.5 | 12.412 h |
| June | 27.4°C24.3°C | 24.3°C | 315 | 29.1 | 12.513 h |
| July | 27.8°C24.2°C | 24.2°C | 241 | 29.4 | 12.512 h |
| August | 28.6°C24.8°C | 24.8°C | 161 | 25.5 | 12.312 h |
| September | 29.1°C25.5°C | 25.5°C | 96 | 18.1 | 12.212 h |
| October | 29.1°C25.7°C | 25.7°C | 108 | 19.3 | 12.012 h |
| November | 28.2°C25.1°C | 25.1°C | 179 | 23.8 | 11.812 h |
| December, selected | 27.2°C24.4°C | 24.4°C | 207 | 27.1 | 11.712 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Paramaribo in DecemberSuriname · 346 kmHigh 28.7°C · Low 23.8°C · 140 mm rain
- Upata in DecemberVenezuela · 488 kmHigh 29.3°C · Low 21.7°C · 63 mm rain
- Tucupita in DecemberVenezuela · 497 kmHigh 28.8°C · Low 22.7°C · 108 mm rain
- Ciudad Guayana in DecemberVenezuela · 523 kmHigh 29.3°C · Low 22.6°C · 48 mm rain
- Boa Vista in DecemberBrazil · 524 kmHigh 31.5°C · Low 24.1°C · 58 mm rain
- Port of Spain in DecemberTrinidad and Tobago · 567 kmHigh 27.6°C · Low 24.9°C · 85 mm rain
- Ciudad Bolívar in DecemberVenezuela · 612 kmHigh 31.2°C · Low 23.3°C · 37 mm rain
- Maturín in DecemberVenezuela · 643 kmHigh 28.7°C · Low 22.3°C · 68 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Georgetown) is explained once on the Georgetown year overview and on the Sources, method and limits page.