Climate Chart of Georgetown, Guyana
Monthly data: Temperature °C, Rain (mm), Sunshine (h) · 2013–2023
For Georgetown, Guyana, the climate data cover 2013–2023. Monthly mean temperatures stay within a relatively narrow range: the coolest-month mean is January at 25.6 °C, while the warmest-month mean is shared by September / October at 27.6 °C. Rainfall and sunshine provide more noticeable differences through the year, giving visitors useful month-specific guidance, though averages cannot predict conditions on any particular day.
Climate overview
Temperature
Monthly mean temperature reaches its low in January at 25.6 °C, and its shared high in September / October at 27.6 °C. The overall monthly-means average is 26.4 °C; these figures describe monthly averages rather than daytime maximum temperatures, so they do not show the full range visitors may experience within a day.
Rain
The mean daily rainfall is lowest in March at 3.32 mm/day, making it a conditional option for visitors prioritising lower average rainfall. The highest monthly mean is in June at 11.55 mm/day, when rain preparation is especially relevant. These are daily mean amounts, not monthly totals, and they do not indicate how often rain falls or guarantee dry conditions in the lower-rainfall month. Across the calendar-month means, the unweighted average is 6.62 mm/day.
Sunshine
Mean daily sunshine reaches its highest level in September at 10.97 hours/day, and its lowest in May at 9.30 hours/day. These averages can help with planning outdoor time, but sunshine duration is not the same as day length and does not promise uninterrupted sunshine. The unweighted average across the monthly means is 10.16 hours/day hours per day.
Best Travel Time Guide for Georgetown, Guyana: Ideal Seasons and Weather Insights
For cooler monthly mean temperatures, January is the relevant option, with a mean of 25.6 °C. This is a monthly average, not a forecast or a measure of daytime highs, so visitors should allow for day-to-day variation when planning what to wear. If lower average rainfall is your priority, consider March, when mean daily rainfall is 3.32 mm/day; it does not guarantee rain-free days. In contrast, June has the highest mean daily rainfall, 11.55 mm/day, so packing rain protection is sensible for travel then. These figures describe average daily amounts rather than rainfall frequency or monthly totals. For outdoor sightseeing planned around average sunshine, September records the highest mean daily duration at 10.97 hours/day, while May records the lowest at 9.30 hours/day. Sunshine averages can inform expectations, but they are not measures of daylight length and cannot predict the weather on an individual day.
Climate Data Overview for Georgetown, Guyana
Explore the comprehensive climate data for Georgetown, Guyana. This detailed table provides valuable insights into temperature variations, precipitation levels, and seasonal changes, helping you understand the unique weather patterns of this region.
| Month | Average: Temperature °C | Rain (mm) / day | Snow (mm) / day | Sunshine (h) / day |
|---|---|---|---|---|
| Jan | 25.6 | 4.29 | 0.00 | 10.21 |
| Feb | 25.7 | 4.51 | 0.00 | 10.19 |
| Mar | 26.1 | 3.32 | 0.00 | 10.68 |
| Apr | 26.4 | 5.38 | 0.00 | 10.17 |
| May | 26.2 | 10.37 | 0.00 | 9.30 |
| Jun | 26.0 | 11.55 | 0.00 | 9.34 |
| Jul | 26.2 | 9.48 | 0.00 | 10.40 |
| Aug | 26.9 | 6.42 | 0.00 | 10.88 |
| Sep | 27.6 | 4.10 | 0.00 | 10.97 |
| Oct | 27.6 | 4.44 | 0.00 | 10.40 |
| Nov | 26.8 | 7.48 | 0.00 | 9.80 |
| Dec | 26.0 | 8.07 | 0.00 | 9.61 |
| Average | 26.4 | 6.62 | 0.00 | 10.16 |
