Last updated: June 24, 2025
In Georgetown, United States, the average temperature in May hovers around 19°C (66°F). Be prepared for a wide range of temperatures, as it can drop to a chilly 0°C (33°F) at its lowest and soar up to a sweltering 32°C (90°F) at its peak. With 131 mm (5.2 in) of precipitation spread over 14 days, you might want to carry an umbrella! Additionally, the average humidity sits at a sticky 81%, making for a warm and often muggy atmosphere.
In May, in Georgetown, the average temperature is 19°C (66°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 0°C (33°F). Therefore, it's advisable to pack layers and be prepared for a range of weather conditions while traveling.
In Georgetown in May, the precipitation amount is 131 mm (5.2 in) spread over the course of 14 days.
In Georgetown in May, humidity is 81%. With an average temperature of 19°C (66°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel both muggy and slightly stifling, often leading to a need for frequent breaks in the shade.
In Georgetown in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Georgetown.
UV Risk Categories
Weather in Georgetown varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Georgetown, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (35°F) | 89 mm (3.5 inches) | 88% | moderate |
| February Weather | 4°C (39°F) | 129 mm (5.1 inches) | 88% | moderate |
| March Weather | 8°C (46°F) | 128 mm (5.0 inches) | 87% | high |
| April Weather | 13°C (55°F) | 140 mm (5.5 inches) | 85% | very high |
| May Weather | 19°C (66°F) | 131 mm (5.2 inches) | 81% | very high |
| June Weather | 23°C (73°F) | 173 mm (6.8 inches) | 82% | very high |
| July Weather | 25°C (77°F) | 121 mm (4.8 inches) | 81% | very high |
| August Weather | 24°C (75°F) | 92 mm (3.6 inches) | 73% | very high |
| September Weather | 21°C (71°F) | 115 mm (4.5 inches) | 73% | very high |
| October Weather | 15°C (60°F) | 105 mm (4.1 inches) | 78% | high |
| November Weather | 7°C (45°F) | 92 mm (3.6 inches) | 89% | moderate |
| December Weather | 4°C (40°F) | 123 mm (4.8 inches) | 87% | moderate |