Georgetown climate — normals and trends
Georgetown (Guyana) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.0 °C and it receives 2,192 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is September (27.0 °C on average) and the coldest is January (25.1 °C). Rainfall peaks in June.
Georgetown averages 0 frost days, 22 hot days (≥ 30 °C) and 296 rainy days per year.
Georgetown has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.8 °C (on 1 October 2023) and the coldest 21.6 °C (on 12 February 1976).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
GeorgetownDemerara-Mahaica
- coords
- 6.80°, -58.16°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.0°C
Average daily high
28.0°C
Average daily low
24.3°C
Annual rainfall
2,192mm
Sunshine / day
10.6h
Mean relative humidity
84%
Average peak wind
17.1km/h
Seasonal range
1.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
22 d/yr
Rainy days (≥ 1 mm)
296 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.8 °C
Average feels-like low
28.0 °C
Average peak gust
31.1 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
17.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.58 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
33.8 °C
1 October 2023
Coldest day
21.6 °C
12 February 1976
Wettest day
112 mm
12 June 2018
Windiest day
28.9 km/h
15 January 1943
Strongest gust
53.3 km/h
27 April 2010
Hottest feels-like
41.0 °C
1 October 2023
Coldest feels-like
23.5 °C
28 January 2023
Sunniest day
12.0 h
14 March 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 28.3 °C | +1.4 °C | 173 mm | -1 mm |
| Feb | 27.7 °C | +0.6 °C | 127 mm | +10 mm |
| Mar | 28.2 °C | +0.7 °C | 120 mm | +13 mm |
| Apr | 28.2 °C | +0.3 °C | 262 mm | +110 mm |
| May | 28.1 °C | +0.3 °C | 546 mm | +276 mm |
| Jun | 28.1 °C | +0.5 °C | 468 mm | +132 mm |
| Jul | 28.8 °C | +0.8 °C | 202 mm | -52 mm |
| Aug | 29.8 °C | +1.0 °C | 158 mm | -12 mm |
| Sep | 30.5 °C | +1.1 °C | 59 mm | -40 mm |
| Oct | 30.6 °C | +1.3 °C | 79 mm | -34 mm |
| Nov | 28.8 °C | +0.4 °C | 209 mm | +27 mm |
| Dec | 28.0 °C | +0.7 °C | 214 mm | -3 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Georgetown?
Georgetown has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.0 °C and it receives 2,192 mm of precipitation per year.
What is the hottest day ever recorded in Georgetown?
The hottest day measured in Georgetown between 1940 and 2025 was 1 October 2023, reaching 33.8 °C.
What is the coldest day in Georgetown?
The coldest day measured in Georgetown between 1940 and 2025 was 12 February 1976, at 21.6 °C.
Does it snow in Georgetown?
Almost never: Georgetown sees virtually no snow, with about 0 frost days per year.
Has the climate of Georgetown warmed?
Yes: Georgetown warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Georgetown?
The wettest day measured in Georgetown between 1940 and 2025 was 12 June 2018, with 112 mm of rain in 24 hours.
What was the windiest day in Georgetown?
The windiest day measured in Georgetown between 1940 and 2025 was 15 January 1943, with winds reaching 28.9 km/h.
What is the warmest month in Georgetown?
The warmest month in Georgetown is September (27.0 °C on average); the coldest is January (25.1 °C).
How much does it rain in Georgetown?
Georgetown receives on average 2,192 mm of precipitation per year, spread over about 296 rainy days.
Is it sunny in Georgetown?
Georgetown gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
Are there tropical nights in Georgetown?
Yes: Georgetown has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Georgetown?
In Georgetown, between 1940 and 2025, the highest apparent temperature reached 41.0 °C on 1 October 2023, and the lowest was 23.5 °C on 28 January 2023.
Compare Georgetown with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Georgetown