Climate in Georgetown, Guyana

According to andyeducation, Georgetown, the capital city of Guyana, is situated on the northern coast of South America, and it experiences a tropical rainforest climate, often referred to as an equatorial climate. This climate type is characterized by high temperatures, high humidity, and consistent rainfall throughout the year. In this comprehensive description, we will explore the various facets of Georgetown’s climate, including temperature, precipitation, seasons, and the impact of climate change.


Georgetown’s climate is hot and humid year-round. The city experiences only minor temperature variations throughout the year, with relatively stable and warm temperatures. The average annual temperature in Georgetown typically ranges from 27°C to 31°C (80°F to 88°F).

The daily temperature fluctuations are also minimal, with daytime highs often reaching around 30°C to 32°C (86°F to 90°F) and nighttime lows rarely dropping below 22°C to 24°C (72°F to 75°F). These consistent temperatures are a result of Georgetown’s proximity to the equator, which ensures that it receives nearly uniform solar radiation throughout the year.


One of the defining features of Georgetown’s climate is its consistent and abundant rainfall. The city experiences heavy rainfall throughout the year, with an annual precipitation total averaging around 2,300 to 2,500 millimeters (90 to 98 inches). This steady rainfall is primarily due to the city’s location within the Intertropical Convergence Zone (ITCZ), a region near the equator where moist air masses converge, leading to frequent rainfall.

Georgetown has two distinct wet seasons:

  1. First Wet Season (May to July): During these months, the city experiences its primary rainy season. Rainfall is heavy and frequent, with the possibility of heavy downpours and thunderstorms. This period is often referred to as the “small rainy season.”
  2. Second Wet Season (December to January): Georgetown experiences another wet season towards the end of the year, characterized by increased rainfall and humidity. This period is sometimes known as the “second rainy season.”

Despite these two distinct wet seasons, it is essential to understand that rainfall can occur throughout the year. The city rarely experiences an extended dry period.


Georgetown’s climate can be broadly classified into two main seasons: a rainy season and a relatively drier season. However, these seasons are not as pronounced as those in temperate regions. The seasons in Georgetown can be described as follows:

  1. Rainy Season: The rainy season in Georgetown extends from April to August, with the peak of rainfall occurring in May and June. During this period, the city experiences frequent and heavy rainfall, often leading to localized flooding. The humidity levels are also at their highest during this time.
  2. Drier Season: The drier season in Georgetown typically lasts from September to March. While it is referred to as the “drier” season, it’s essential to note that it doesn’t mean a complete absence of rainfall. Instead, rainfall during this period is less frequent and intense compared to the rainy season.

Climate Change Impact:

Like many coastal cities around the world, Georgetown faces challenges related to climate change. Rising global temperatures and sea levels pose significant threats to the city and its residents. Some of the key impacts of climate change on Georgetown’s climate include:

  1. Sea-Level Rise: According to existingcountries, Georgetown is located below sea level, making it particularly vulnerable to sea-level rise. Rising sea levels can lead to coastal erosion and increased flooding during high tides and heavy rainfall.
  2. Increased Flooding: As the climate warms, the frequency and intensity of rainfall events may change. This could result in more frequent and severe flooding, disrupting daily life and infrastructure.
  3. Heatwaves: Although Georgetown’s climate is generally hot and humid, climate change can bring about more frequent and prolonged heatwaves, which can have adverse effects on public health and energy demands.
  4. Changing Rainfall Patterns: Climate change may alter the timing and distribution of rainfall in Georgetown. This could affect agriculture, water resources, and overall water management in the region.

To mitigate these challenges and adapt to the changing climate, the government of Guyana and local authorities in Georgetown are taking steps to improve infrastructure, enhance drainage systems, and implement sustainable urban planning practices. Additionally, efforts are underway to reduce greenhouse gas emissions to mitigate the long-term impacts of climate change.

In conclusion, Georgetown, Guyana, experiences a tropical rainforest climate characterized by high temperatures, high humidity, and consistent rainfall throughout the year. While the city has distinct wet and drier seasons, it rarely experiences a prolonged dry period. The impacts of climate change, including rising sea levels and increased flooding, pose significant challenges to the city and its residents. Adaptation and mitigation strategies are crucial for addressing these challenges and ensuring the long-term sustainability of Georgetown’s climate and environment.