Photo: Dan Lundberg · CC BY-SA 2.0 · Wikimedia Commons
St. George's CathedralReport this photo · linked, not stored
St. George's CathedralReport this photo · linked, not stored
Climate guideThirty-year normals for Georgetown
Georgetown climate by month
Tropical rainforest · AfBest Jan–Mar
Annual mean26°day and night
Seasonal swing2°warmest vs coolest
Precipitation2,192 mm280 wet days a year
6.80° N, 58.16° WElevation 3 mUTC−4 · Guyana Time
When to goGeorgetown · weather score
Best timeJan–Mar
October: high / low29° / 26°
iSummary
What the weather is like
Georgetown has a tropical rainforest climate (Köppen Af): .
The warmest month is September, when afternoons average 29° and nights 26°. January is the coolest month, with highs of 27° and lows of 24°. The difference between the warmest and the coolest month is about 2°, a small seasonal swing typical of places tempered by the sea.
About 2,192 mm of precipitation falls in an average year. July is the wettest month (262 mm, 30 wet days) and February the driest (107 mm, 16 wet days). Cloud cover ranges from 27% in September to 52% in June.
The sea reaches about 29° in September. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Year in figures
- Hottest afternoons
- 29° · September
- Coldest nights
- 24° · January
- Wettest month
- July
- Driest month
- February
- Clearest skies
- September · 27% cloud
- Warmest sea
- 29° · September
- Longest day
- 12 h 31 min
- Shortest day
- 11 h 44 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 27° | 27° | 27° | 28° | 28° | 27° | 28° | 28° | 29° | 29° | 28° | 27° |
| Average low | 24° | 24° | 25° | 25° | 25° | 24° | 24° | 25° | 26° | 26° | 25° | 24° |
| Precipitation | 228 mm | 107 mm | 100 mm | 162 mm | 296 mm | 301 mm | 262 mm | 180 mm | 92 mm | 91 mm | 139 mm | 234 mm |
| Wet days (≥1 mm) | 20.3 | 16.2 | 18.3 | 22.5 | 28.5 | 29.5 | 30.2 | 24.3 | 17 | 20.5 | 24.8 | 27.5 |
| Cloud cover | 30% | 29% | 31% | 38% | 46% | 52% | 39% | 30% | 27% | 32% | 36% | 34% |
| Sea temperature | 27° | 27° | 27° | 28° | 28° | 28° | 29° | 29° | 29° | 29° | 29° | 28° |
| Daylight | 11h 46 | 11h 55 | 12h 05 | 12h 16 | 12h 26 | 12h 31 | 12h 29 | 12h 21 | 12h 10 | 11h 59 | 11h 49 | 11h 44 |
| Month score | 60 | 59 | 57 | 53 | 49 | 48 | 52 | 53 | 51 | 50 | 51 | 57 |
ivMonth by month
Georgetown in every month
January60
27° / 24°
228 mm · 20.3 wet days
February59
27° / 24°
107 mm · 16.2 wet days
March57
27° / 25°
100 mm · 18.3 wet days
April53
28° / 25°
162 mm · 22.5 wet days
May49
28° / 25°
296 mm · 28.5 wet days
June48
27° / 24°
301 mm · 29.5 wet days
July52
28° / 24°
262 mm · 30.2 wet days
August53
28° / 25°
180 mm · 24.3 wet days
September51
29° / 26°
92 mm · 17 wet days
October50
29° / 26°
91 mm · 20.5 wet days
November51
28° / 25°
139 mm · 24.8 wet days
December57
27° / 24°
234 mm · 27.5 wet days