Georgetown weather in May

In May, Georgetown sees average daytime highs of 28°C and overnight lows near 25°C, with 253 mm of rain across 26.5 wet days and about 12.3 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 12% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of May to 12 h 24 min by month's end. Set against the rest of the year, May is Georgetown's 11th-clearest and 5th-windiest month. For the whole year in context, see Georgetown's year-round climate.

Daytime high
28°
6th warmest
Overnight low
25°
8th coldest
Rainfall
253 mm
26.5 wet days
Daylight
12 h 18 min
5:40 AM – 5:58 PM
Cloud cover
75%
11th clearest
Wind
14 km/h
5th windiest
Solar energy
4.59 kWh/m²
Travel score
3.7
out of 10

Georgetown is capital city of Guyana.

Density
1,592/km²
people per km²
Founded
1781

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical May day in Georgetown reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, May runs on par with April and on par with June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

How May really feels in Georgetown

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Georgetown weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°16023.511.64.6
Feb27° / 24°10518.311.85.0
Mar28° / 24°9418.6125.1
Apr28° / 25°13020.112.14.4
May28° / 25°25326.512.33.7
Jun28° / 24°31529.112.43.4
Jul28° / 24°24129.412.43.3
Aug29° / 25°16125.512.23.7
Sep30° / 25°9618.2124.3
Oct30° / 26°10819.311.84.2
Nov29° / 25°17923.811.73.8
Dec28° / 24°20727.111.63.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23466
33367
43268
53169
63070
73070
82971
92872
102872
112773
122773
132773
142773
152773
162773
172773
182773
192773
202674
212674
222674
232575
242575
252575
262476
272476
282476
292476
302377
312377

Chance of precipitation in May

Any precipitation

Georgetown gets around 253 mm of rain over 26.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 85% and peaks near 93% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
176
276
377
477
578
679
780
880
981
1082
1183
1283
1384
1485
1585
1686
1787
1887
1988
2088
2189
2290
2390
2491
2591
2691
2792
2892
2993
3093
3193

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the oppressive band about 76% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
18317
28218
38119
48119
58020
67921
77822
87723
97723
107624
117624
127525
137525
147525
157426
167426
177426
187426
197426
207426
217426
227426
237426
247426
257426
267426
277426
287426
297525
307525
317525

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3012light breeze
3112light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 12 min at the start of May to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 5:43 AM to 5:39 AM, and sunset from 5:57 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:435:57
212.25:425:57
312.25:425:57
412.35:425:57
512.35:425:57
612.35:415:57
712.35:415:57
812.35:415:57
912.35:415:57
1012.35:415:57
1112.35:405:58
1212.35:405:58
1312.35:405:58
1412.35:405:58
1512.35:405:58
1612.35:405:58
1712.35:395:58
1812.35:395:58
1912.35:395:59
2012.35:395:59
2112.35:395:59
2212.35:395:59
2312.35:395:59
2412.35:395:59
2512.35:396:00
2612.35:396:00
2712.45:396:00
2812.45:396:00
2912.45:396:00
3012.45:396:01
3112.45:396:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.59 kWh/m².

For context, solar energy here swings from a low near 4.25 kWh/m² to a high of 5.78 kWh/m² in September across the year — May's 4.59 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.9Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in May

Is May a good time to visit Georgetown?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.7
Sightseeing
9th-best month of the year
4.2
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Georgetown.

What to pack for Georgetown in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Georgetown sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Georgetown in May

The nearest coast averages about 28°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 29°C and coldest in February near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Warm
May28Warm
Jun28Warm
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Georgetown in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Georgetown peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 21UV 14Dec 12UV 10
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec10Extreme

Air quality in Georgetown in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Georgetown is worst in April — around 26 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (August, 12 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1526 µg/m³Aug 2112 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb21Moderate
Mar23Moderate
Apr26Moderate
May23Moderate
Jun19Moderate
Jul15Moderate
Aug12Good
Sep13Moderate
Oct15Moderate
Nov14Moderate
Dec17Moderate
Location & terrain

Where is Georgetown?

Georgetown sits at 6.8°N, 58.2°W, 3 m above sea level, in Guyana. The nearest listed city is Parika, 30 km away.

BarticaLindenNew AmsterdamMabaruma

Topography around Georgetown

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Georgetown.

Within 3 km, the terrain around Georgetown has only modest variations in elevation — a maximum elevation change of 17 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 25 m; within 80 km, significant variations in elevation — a maximum elevation change of 287 m.

The land around Georgetown is covered by artificial surfaces (43%) and water (24%) within 3 km, water (42%) within 16 km, and trees (44%) and water (36%) within 80 km.

3 km
17 m
16 km
25 m
80 km
287 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Parika 30 km · Bartica 68 km · Linden 90 km · New Amsterdam 94 km · Mabaruma 237 km · Weg naar Zee 341 km · Welgelegen 342 km · Tammenga 344 km

Guyana travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B / D / G
240 V · 60 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$32,414
2025
Happiness
6.0 / 10
World Happiness, 2011
Safe drinking water
67%
of population, 2024
Homicide rate
19.1
per 100k, 2023
Road deaths
22.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 35%Hindu 25%other Christian 21%Roman Catholic 7%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Georgetown (6.8045°, -58.1553°, elevation 3 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).