Guyana Climate and Average Weather
Climate of Guyana: average temperatures, rainfall and seasons month by month.
Climate in Guyana month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 84° | 76° | 6,0 in | ★★★☆☆ |
| February | 84° | 76° | 3,4 in | ★★★★☆ |
| March | 85° | 77° | 4,9 in | ★★★★☆ |
| April | 85° | 77° | 6,5 in | ★★★☆☆ |
| May | 84° | 76° | 16,3 in | ★★★☆☆ |
| June | 84° | 75° | 14,2 in | ★★★☆☆ |
| July | 85° | 76° | 10,8 in | ★★★☆☆ |
| August | 87° | 77° | 3,6 in | ★★★★☆ |
| September | 89° | 79° | 3,3 in | ★★★★☆ |
| October | 89° | 79° | 4,1 in | ★★★★☆ |
| November | 87° | 78° | 5,7 in | ★★★☆☆ |
| December | 85° | 76° | 6,8 in | ★★★☆☆ |
Climate type: Tropical. Source: Open-Meteo archive (ERA5).
Recent extremes in Guyana
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Guyana compares with nearby places
Annual averages, and the difference against Guyana.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Suriname | 213 mi | 80°F | about the same | 85 in |
| Trinidad and Tobago | 351 mi | 80°F | about the same | 36 in |
Best time to visit Guyana
Go in February, March, August, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: May, June and July - expect the least comfortable mix of heat, cold or rain.
What this means for Guyana
Today is about average for September. The forecast high of 89°F is in line with the 89°F typical for this month.
A 30% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Within 15 degrees of the equator, day length barely changes all year; seasons are defined by rain, not temperature.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 36°F - an unusually even climate through the year.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 6 of the next 7 days carry a real chance of rain
- Insect repellent and quick-dry fabrics for humidity
- If your dates are flexible, avoid May, June and July - historically the least comfortable months here.
Summary
Guyana is a country in South America. Guyana is a country in South America with its capital at Georgetown. It has a population of about 810.000. The capital is Georgetown.
Right now it is 80°F (27°C) in Guyana with overcast. It feels like 89°F. Today runs from 80°F to 89°F. Chance of precipitation is 30%. Sightseeing conditions score 8.7/10 - excellent - go now.
The best time to visit Guyana is February, March, August, September and October. The climate is tropical. May, June and July tend to be the least comfortable months. September is the warmest month with average highs near 89°F, while June is the coldest with lows near 75°F.
In plain terms. Today is about average for September. The forecast high of 89°F is in line with the 89°F typical for this month. The best window to be outside is roughly 6 PM to 9 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Guyana today at 9.1/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Guyana
| Type | Country |
|---|---|
| Continent | South America |
| Continent | South America |
| Coordinates | 6°48′4.7″N 58°9′18.4″W (6.8013, -58.1551) |
| Capital | Georgetown |
| Population | 810.000 |
| Area | 83.000 sq mi |
| ISO code | GY |
| ISO 3166-1 alpha-3 | GUY |
| Currency | Guyanese dollar (GYD) |
| Languages | English |
| Calling code | +592 |
| Time zone | America/Guyana |
| Local time | 5:40 AM (UTC-04:00) |
| Best months | February, March, August, September and October |
| Climate | Tropical |
Weather map for Guyana
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Guyana
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Guyana?
Guyana is a country in South America. Its coordinates are 6.8013, -58.1551. It lies in South America.
What is the weather like in Guyana right now?
It is currently 80°F (27°C) with overcast. Humidity is 88% and wind is 7 mph.
When is the best time to visit Guyana?
February, March, August, September and October offer the most comfortable conditions in Guyana, which has a tropical climate. May, June and July are usually the hardest months for outdoor plans.
What time zone is Guyana in?
Guyana observes America/Guyana (UTC-04:00). The local time is 5:40 AM.
How many people live in Guyana?
Guyana has a population of approximately 810.000.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (countries-v1) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 21, 2026 at 5:40 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
