Bartica weather in December

In December, Bartica sees average daytime highs of 29°C and overnight lows near 23°C, with 204 mm of rain across 27.1 wet days and about 11.6 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 10% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of December to 11 h 36 min by month's end. Set against the rest of the year, December is Bartica's 9th-clearest and 6th-windiest month. For the whole year in context, see Bartica's year-round climate.

Daytime high
29°
10th warmest
Overnight low
23°
4th coldest
Rainfall
204 mm
27.1 wet days
Daylight
11 h 36 min
6:02 AM – 5:40 PM
Cloud cover
73%
9th clearest
Wind
7 km/h
6th windiest
Solar energy
4.01 kWh/m²
Travel score
3.5
out of 10

Bartica is Regional capital of Cuyuni-Mazaruni or Region N.7 administered de facto by Guyana and claimed by Venezuela.

Founded
1842

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical December day in Bartica reaches about 29°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
22924
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162823
172823
182823
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292823
302823
312823

How December really feels in Bartica

Once humidity and wind are folded in, December averages 15 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
15
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Bartica weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°14522.411.74.3
Feb28° / 23°9517.711.84.6
Mar29° / 23°8917.2124.6
Apr29° / 24°13819.912.14.0
May29° / 24°27826.312.33.4
Jun29° / 23°33129.112.43.0
Jul29° / 23°27929.712.33.0
Aug30° / 24°19926.912.23.1
Sep31° / 24°12320.9123.5
Oct31° / 24°13522.211.93.5
Nov30° / 24°19024.511.73.3
Dec29° / 23°20427.111.63.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32575
42575
52575
62575
72575
82674
92773
102773
112872
122872
132971
142971
152971
163070
172971
183169
193169
203169
213169
223169
233169
243070
253169
263268
273268
283268
293367
303367
313466

Chance of precipitation in December

Any precipitation

Bartica gets around 204 mm of rain over 27.1 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 86% and peaks near 90% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
189
289
389
489
590
690
790
890
990
1090
1190
1289
1389
1488
1588
1687
1787
1886
1986
2086
2185
2284
2384
2483
2583
2682
2782
2881
2981
3080
3180

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
105446
205644
305842
405941
506139
606337
706535
806733
907030
1007228
1107426
1207624
1307822
1407921
1508119
1608317
1708416
1808515
1908614
2008713
2108812
2208911
2309010
240919
250928
260928
270937
280946
290946
301945
311954

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 42 min at the start of December to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 5:55 AM to 6:09 AM, and sunset from 5:34 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:555:34
211.75:555:34
311.65:565:35
411.65:565:35
511.65:565:35
611.65:575:36
711.65:575:36
811.65:585:36
911.65:585:37
1011.65:595:37
1111.65:595:37
1211.66:005:38
1311.66:005:38
1411.66:015:39
1511.66:015:39
1611.66:025:40
1711.66:025:40
1811.66:035:40
1911.66:035:41
2011.66:045:41
2111.66:045:42
2211.66:055:42
2311.66:055:43
2411.66:065:43
2511.66:065:44
2611.66:065:44
2711.66:075:45
2811.66:075:45
2911.66:085:46
3011.66:085:46
3111.66:095:47

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.01 kWh/m².

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 5.5 kWh/m² in September across the year — December's 4.01 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.0Bright
154.0Bright
164.0Bright
174.0Bright
184.0Moderate
194.0Moderate
204.0Moderate
214.0Bright
224.0Bright
234.0Bright
244.0Bright
254.0Bright
264.0Bright
274.0Bright
284.0Bright
294.1Bright
304.1Bright
314.1Bright
Planning a trip in December

Is December a good time to visit Bartica?

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

3.5
Sightseeing
5th-best month of the year
4.3
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Bartica.

What to pack for Bartica in December

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

In December, Bartica sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

UV index in Bartica in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bartica peaks around March 23 at about 15 (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 23UV 15Dec 12UV 10
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar15Extreme
Apr15Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Bartica in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Bartica 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 Bartica?

Bartica sits at 6.4°N, 58.6°W, 0 m above sea level, in Guyana. The nearest listed city is Parika, 53 km away.

ParikaLindenGeorgetownNew AmsterdamMabarumaTumeremoEl DoradoSanta Elena de Uairén

Topography around Bartica

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

Within 3 km, the terrain around Bartica has only modest variations in elevation — a maximum elevation change of 63 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 125 m; within 80 km, significant variations in elevation — a maximum elevation change of 463 m.

The land around Bartica is covered by water (69%) and trees (24%) within 3 km, trees (83%) within 16 km, and trees (82%) within 80 km.

3 km
63 m
16 km
125 m
80 km
463 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Parika 53 km · Linden 56 km · Georgetown 68 km · New Amsterdam 124 km · Mabaruma 237 km · Tumeremo 333 km · El Dorado 335 km · Santa Elena de Uairén 341 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 Bartica (6.4054°, -58.6233°, elevation 0 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. 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).