Georgetown, Guyana Climate & Monthly Averages
The climate of Georgetown
Located in Guyana, Georgetown experiences a tropical rainforest climate with steady heat, high humidity and frequent downpours in every month. Afternoon temperatures peak near 87°F (30°C) in September and dip to about 82°F (28°C) in January, with around 96.1 inches (2441 mm) of precipitation falling across the year.
Climate quick facts
- Hottest month: September - highs near 87°F (30°C)
- Coldest month: January - highs near 82°F (28°C)
- Record high: 94°F (35°C) · Record low: 71°F (22°C) (2015–2024)
- Wettest month: June (29 rainy days) · Sunniest: August (11.3 h sun/day)
- Climate type: tropical rainforest - steady heat, high humidity and frequent downpours in every month
Temperatures through the year
The warmest stretch of the year centers on September. Highs average 87°F (30°C) and overnight lows stay near 78°F (26°C). The coolest month is January, with typical highs of 82°F (28°C) and lows around 76°F (24°C). Based on 2015–2024 weather data, temperatures have reached as high as 94°F (35°C) and dropped as low as 71°F (22°C).
Rain, sun and snow
June is usually the wettest month. It brings about 14.2 inches (361 mm) of rain over 29 days, while March is the driest. August brings the most sunshine, averaging 11.3 hours of sun a day.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 82° | 76° | 23 | 5.3 in | 10.9 h/day | 81% |
| February | 82° | 76° | 21 | 4.5 in | 10.8 h/day | 79% |
| March | 83° | 76° | 20 | 4.3 in | 11.2 h/day | 78% |
| April | 83° | 77° | 21 | 6.2 in | 10.6 h/day | 80% |
| May | 83° | 77° | 29 | 13.3 in | 9.6 h/day | 85% |
| June | 83° | 76° | 29 | 14.2 in | 9.6 h/day | 87% |
| July | 84° | 76° | 30 | 12.3 in | 10.6 h/day | 86% |
| August | 85° | 77° | 25 | 7.6 in | 11.3 h/day | 84% |
| September | 87° | 78° | 20 | 4.9 in | 11.3 h/day | 82% |
| October | 86° | 78° | 19 | 5.5 in | 10.7 h/day | 81% |
| November | 85° | 77° | 23 | 8.0 in | 10.1 h/day | 83% |
| December | 83° | 76° | 27 | 10.1 in | 10.1 h/day | 84% |
Georgetown month by month
Georgetown weather in January
January brings highs around 82°F (28°C), lows near 76°F (24°C), about 23 wet days - typically the coldest month of the year in Georgetown.
Georgetown weather in February
February brings highs around 82°F (28°C), lows near 76°F (24°C), about 21 wet days.
Georgetown weather in March
March brings highs around 83°F (28°C), lows near 76°F (25°C), about 20 wet days - typically the driest month of the year in Georgetown.
Georgetown weather in April
April brings highs around 83°F (29°C), lows near 77°F (25°C), about 21 wet days.
Georgetown weather in May
May brings highs around 83°F (28°C), lows near 77°F (25°C), about 29 wet days.
Georgetown weather in June
June brings highs around 83°F (28°C), lows near 76°F (24°C), about 29 wet days - typically the wettest month of the year in Georgetown.
Georgetown weather in July
July brings highs around 84°F (29°C), lows near 76°F (24°C), about 30 wet days.
Georgetown weather in August
August brings highs around 85°F (30°C), lows near 77°F (25°C), about 25 wet days - typically the sunniest month of the year in Georgetown.
Georgetown weather in September
September brings highs around 87°F (30°C), lows near 78°F (26°C), about 20 wet days - typically the hottest month of the year in Georgetown.
Georgetown weather in October
October brings highs around 86°F (30°C), lows near 78°F (26°C), about 19 wet days.
Georgetown weather in November
November brings highs around 85°F (29°C), lows near 77°F (25°C), about 23 wet days.
Georgetown weather in December
December brings highs around 83°F (28°C), lows near 76°F (24°C), about 27 wet days.
Seasons in Georgetown
March through May
March through May in Georgetown brings hot afternoons, with daytime highs averaging 83°F (28°C) and nights around 77°F (25°C); expect showers on roughly 70 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
June through August
June through August in Georgetown is hot, with daytime highs averaging 84°F (29°C) and nights around 76°F (24°C); expect showers on roughly 84 days across the season.
September through November
September through November in Georgetown is hot, with daytime highs averaging 86°F (30°C) and nights around 78°F (26°C); expect showers on roughly 62 days across the season.
December through February
December through February in Georgetown brings hot afternoons, with daytime highs averaging 82°F (28°C) and nights around 76°F (24°C); expect showers on roughly 70 days across the season.
Climate questions, answered
What is the average temperature in Georgetown?
Is Georgetown hot in summer?
Is Georgetown cold in winter?
How many rainy days does Georgetown get in a year?
Best time to visit Georgetown
The best time to visit Georgetown is generally January to June, when these months combine the driest skies with the most comfortable heat. Daytime temperatures in that window typically sit near 83°F (28°C).
Pack for Georgetown with lightweight, breathable clothing and strong sun protection for the hot months; a compact umbrella or rain shell - showers are a regular feature; moisture-wicking fabrics to cope with the humidity. Evenings can feel noticeably cooler than afternoons - September nights average 78°F (26°C).
Georgetown temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.