Country in South America

Guyana Weather Forecast

Guyana weather: 80°F, mainly clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

🌙 80°F now🕔 2:36 AM local📅 Best: February, March, August, September and October👥 810.000

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 mainly clear. 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.

Weather in Guyana right now

🌙
80°F
Mainly clear · feels like 89°F
Humidity89%
Wind7 mph ENE
Gusts12 mph
UV index0 · Low
Cloud cover38%
Pressure1012 hPa
VisibilityExcellent · 20 mi
Air quality52 · Moderate
Sunrise5:42 AM
Sunset5:49 PM
Moon🌔 Waxing gibbous · 72%

Source: Open-Meteo. Updated 2:36 AM, Sep 21 local time.

See the Guyana forecast by time range

Next 24 hours

Hour-by-hour temperature, precipitation chance and wind.

3 AM🌙80°0%7 mph
4 AM☁️80°0%7 mph
5 AM🌙81°0%7 mph
6 AM🌙81°0%7 mph
7 AM🌦️83°1%9 mph
8 AM🌦️85°2%10 mph
9 AM☀️87°4%10 mph
10 AM☀️88°8%11 mph
11 AM🌤️88°12%11 mph
12 PM🌦️89°18%11 mph
1 PM🌦️88°25%11 mph
2 PM☀️88°29%12 mph
3 PM☀️87°30%11 mph
4 PM☀️85°28%10 mph
5 PM☀️84°24%10 mph
6 PM☀️82°16%9 mph
7 PM🌙82°7%9 mph
8 PM🌙82°0%9 mph
9 PM🌙82°0%9 mph
10 PM🌙82°0%8 mph
11 PM🌙82°2%8 mph
12 AM🌦️82°2%8 mph
1 AM🌙81°3%7 mph
2 AM🌦️81°8%6 mph

16-day forecast for Guyana

Daily highs and lows, precipitation and UV.

DayConditionsHigh / LowPrecipWindUV
Mon, Sep 21🌦️ Light drizzle89° / 80°30% · 0,0 in12 mph9
Tue, Sep 22⛈️ Thunderstorm86° / 76°97% · 0,6 in11 mph9
Wed, Sep 23⛈️ Thunderstorm86° / 79°91% · 0,4 in11 mph9
Thu, Sep 24☁️ Overcast89° / 80°68%11 mph9
Fri, Sep 25☁️ Overcast89° / 81°52%11 mph9
Sat, Sep 26⛅ Partly cloudy89° / 80°71%11 mph9
Sun, Sep 27⛅ Partly cloudy88° / 80°71%11 mph9
Mon, Sep 28🌦️ Light drizzle88° / 81°67% · 0,0 in10 mph9
Tue, Sep 29🌦️ Drizzle83° / 81°88% · 0,2 in8 mph9
Wed, Sep 30🌦️ Drizzle83° / 81°86% · 0,3 in10 mph9
Thu, Oct 1🌦️ Light drizzle87° / 80°59% · 0,0 in12 mph9
Fri, Oct 2⛅ Partly cloudy88° / 80°35%12 mph9
Sat, Oct 3🌦️ Drizzle88° / 81°57% · 0,1 in11 mph9
Sun, Oct 4☁️ Overcast88° / 80°63%11 mph9
Mon, Oct 5☁️ Overcast88° / 81°43% · 0,0 in14 mph8
Tue, Oct 6☀️ Clear sky-- / --38%--

Climate in Guyana month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

JanFebMarAprMayJunJulAugSepOctNovDecLine: average high · Bars: rainfall
MonthAvg highAvg lowRainfallRating
January84°76°6,0 in★★★☆☆
February84°76°3,4 in★★★★
March85°77°4,9 in★★★★
April85°77°6,5 in★★★☆☆
May84°76°16,3 in★★★☆☆
June84°75°14,2 in★★★☆☆
July85°76°10,8 in★★★☆☆
August87°77°3,6 in★★★★
September89°79°3,3 in★★★★
October89°79°4,1 in★★★★
November87°78°5,7 in★★★☆☆
December85°76°6,8 in★★★☆☆

Climate type: Tropical. Source: Open-Meteo archive (ERA5).

Weather map for Guyana

Animated model layers. Pick a layer to load it.

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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.

Air quality and pollen in Guyana

52
Moderate
Unusually sensitive people should limit long outdoor exertion.
PM2.59.1 µg/m³
PM1015.1 µg/m³
Ozone34 µg/m³
NO₂0.9 µg/m³
UV index0 · Low
Airborne hazeClear air

Air quality: Open-Meteo (CAMS). US AQI scale.

Sun, twilight and moon

Sunrise5:42 AM
Sunset5:49 PM
Daylight12h 7m
Solar noon11:45 AM
Golden hour (am)5:42 AM - 6:42 AM
Golden hour (pm)4:49 PM - 5:49 PM
Blue hour (am)5:12 AM - 5:42 AM
Blue hour (pm)5:49 PM - 6:19 PM
Moon phase🌔 Waxing gibbous · 72%
Moonrise2:15 PM
Moonset1:25 AM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

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.

January★★★☆☆
February★★★★
March★★★★
April★★★☆☆
May★★★☆☆
June★★★☆☆
July★★★☆☆
August★★★★
September★★★★
October★★★★
November★★★☆☆
December★★★☆☆

Explore Guyana

Every topic we hold for this place, and the same topic for the places around it.

Weather 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 mainly clear. Humidity is 89% 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 2:36 AM.

How many people live in Guyana?

Guyana has a population of approximately 810.000.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (countries-v1) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, 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 2:36 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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