Bonao weather in December

In December, Bonao sees average daytime highs of 24°C and overnight lows near 16°C, with 73 mm of rain across 13.5 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 38% of the time in December, and the air most often feels humid.

Daylight stretches from about 10 h 54 min at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is Bonao's 3rd-clearest and 10th-windiest month. For the whole year in context, see Bonao's year-round climate.

Daytime high
24°
10th warmest
Overnight low
16°
4th coldest
Rainfall
73 mm
13.5 wet days
Daylight
10 h 54 min
7:12 AM – 6:04 PM
Cloud cover
50%
3rd clearest
Wind
5 km/h
10th windiest
Solar energy
3.95 kWh/m²
Travel score
6.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical December day in Bonao reaches about 24°C in the afternoon and slips back to 16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 26°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12416
22416
32416
42416
52416
62416
72416
82416
92416
102416
112416
122416
132416
142416
152416
162416
172416
182416
192416
202316
212316
222316
232316
242316
252316
262316
272316
282316
292316
302316
312316

Bonao weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 15°7514.1116.5
Feb23° / 15°7012.711.46.5
Mar24° / 16°11515.411.96.3
Apr25° / 17°17019.512.45.5
May26° / 18°25323.212.94.7
Jun27° / 19°13219.913.15.0
Jul27° / 19°10521135.0
Aug27° / 19°12521.812.64.8
Sep27° / 19°14921.912.14.7
Oct26° / 19°13320.311.65.1
Nov25° / 17°11517.411.15.7
Dec24° / 16°7313.510.96.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 30% of December, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36832
46832
56832
66832
76832
86832
96832
106733
116733
126733
136634
146634
156634
166733
176733
186733
196733
206832
216733
226733
236931
246931
256931
267030
277129
287129
297129
307129
317129

Chance of precipitation in December

Any precipitation

Bonao gets around 73 mm of rain over 13.5 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 44% and peaks near 48% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
146
245
344
444
543
643
743
843
942
1042
1142
1242
1342
1443
1543
1643
1743
1843
1943
2044
2144
2244
2344
2445
2545
2646
2746
2846
2947
3047
3148

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 70% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
10126424
20136423
30136522
40146521
50146620
60146620
70146719
80146818
90146818
100146917
110146917
121146916
131146916
141147015
151147015
161147114
171147213
181147213
191147312
201147312
211147312
221147411
231147411
241147411
251147510
261147510
271147510
28115759
29115759
30115759
31115768

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 54 min at the start of December to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 7:03 AM to 7:19 AM, and sunset from 6:00 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:036:00
210.97:046:00
310.97:046:00
410.97:056:00
510.97:066:00
610.97:066:01
710.97:076:01
810.97:076:01
910.97:086:01
1010.97:096:02
1110.97:096:02
1210.97:106:02
1310.97:106:03
1410.97:116:03
1510.97:116:03
1610.97:126:04
1710.97:126:04
1810.97:136:05
1910.97:136:05
2010.97:146:05
2110.97:146:06
2210.97:156:06
2310.97:156:07
2410.97:166:07
2510.97:166:08
2610.97:176:08
2710.97:176:09
2810.97:176:09
2910.97:186:10
3010.97:186:10
3110.97:196:11

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.95 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.95 kWh/m² to a high of 6.16 kWh/m² in July across the year — December's 3.95 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.0Moderate
94.0Moderate
104.0Moderate
114.0Moderate
124.0Moderate
134.0Moderate
144.0Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.9Moderate
304.0Moderate
314.0Moderate
Planning a trip in December

Is December a good time to visit Bonao?

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

6.6
Sightseeing
1st-best month of the year
5.3
Beach & pool
2nd-best month of the year

December is a reasonable time to visit Bonao for sightseeing.

What to pack for Bonao in December

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

In December, Bonao sees daytime highs around 24°C and nights near 16°C. Worth packing: light clothes and rain gear. About 14 days see rain.

light clothesrain gear

Sea temperature near Bonao in December

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

The sea at the nearest coast (about 67 km away) 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
Apr27Warm
May28Warm
Jun28Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Bonao in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bonao peaks around March 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 22UV 13Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Bonao 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 Bonao is worst in June — around 31 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (February, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2131 µg/m³Feb 1417 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb17Moderate
Mar18Moderate
Apr18Moderate
May23Moderate
Jun31Moderate
Jul29Moderate
Aug26Moderate
Sep25Moderate
Oct26Moderate
Nov21Moderate
Dec18Moderate
Location & terrain

Where is Bonao?

Bonao sits at 18.9°N, 70.4°W, 166 m above sea level, in Dominican Republic. The nearest listed city is Cotuí, 30 km away.

CotuíJarabacoaLa VegaConstanzaVilla AltagraciaSan Francisco de MacorísSan José de OcoaSalcedo

Topography around Bonao

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

Within 3 km, the terrain around Bonao has only modest variations in elevation — a maximum elevation change of 169 m around an average of 179 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,677 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,072 m.

The land around Bonao is covered by trees (50%) and artificial surfaces (30%) within 3 km, trees (80%) within 16 km, and trees (68%) within 80 km.

3 km
169 m
16 km
1,677 m
80 km
3,072 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Cotuí 30 km · Jarabacoa 31 km · La Vega 33 km · Constanza 35 km · Villa Altagracia 39 km · San Francisco de Macorís 43 km · San José de Ocoa 45 km · Salcedo 49 km

Dominican Republic travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
120 V · 60 Hz
Prices
≈ 39% of US
price level, 2025
GDP per capita
$11,059
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
45%
of population, 2024
Homicide rate
10.9
per 100k, 2023
Road deaths
64.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 503

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 Bonao (18.9415°, -70.4111°, elevation 166 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).