Wa weather in December

In December, Wa sees average daytime highs of 34°C and overnight lows near 20°C, with 0 mm of rain across 0.2 wet days and about 11.4 hours of daylight. It is the 5th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 69% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Wa's 1st-clearest and 5th-windiest month. For the whole year in context, see Wa's year-round climate.

Daytime high
34°
5th warmest
Overnight low
20°
1st coldest
Rainfall
0 mm
0.2 wet days
Daylight
11 h 24 min
6:24 AM – 5:49 PM
Cloud cover
27%
1st clearest
Wind
10 km/h
5th windiest
Solar energy
5.8 kWh/m²
Travel score
4.3
out of 10

Wa is Upper West regional capital city.

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 34°C through the month.

A typical December day in Wa reaches about 34°C in the afternoon and slips back to 20°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13421
23421
33421
43421
53421
63420
73420
83420
93420
103420
113420
123420
133420
143420
153420
163420
173420
183420
193420
203420
213320
223320
233320
243320
253320
263320
273319
283319
293319
303319
313319

How December really feels in Wa

Once humidity and wind are folded in, December averages 31 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
31
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.

Wa weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 20°10.311.54.2
Feb36° / 23°61.111.72.6
Mar37° / 25°265.211.91.7
Apr36° / 26°6811.512.22.0
May33° / 25°10015.312.52.9
Jun31° / 23°10116.412.63.7
Jul29° / 23°16021.912.53.8
Aug29° / 22°22425.712.33.5
Sep29° / 22°19023.512.13.5
Oct32° / 23°8814.311.83.9
Nov34° / 21°101.911.53.8
Dec34° / 20°00.211.44.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28020
38020
48020
58020
68020
78020
88119
98119
108119
118218
128218
138317
148416
158416
168416
178416
188515
198614
208713
218713
228713
238713
248713
258713
268713
278713
288713
298713
308713
318713

Chance of precipitation in December

Any precipitation

Wa gets around 0 mm of rain over 0.2 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
260
270
280
290
300
310

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1521717113
2551716102
359161492
462151382
565141281
667141171
769131071
87112971
97412860
107611760
117710760
12809650
13819550
14828550
15857440
16866440
17875440
18885340
19904330
20904330
21914230
22933220
23933220
24933220
25953110
26962110
27962110
28962110
29962110
30962110
31962110

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 30 min at the start of December to 11 h 24 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 6:16 AM to 6:31 AM, and sunset from 5:43 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:165:43
211.56:175:44
311.46:175:44
411.46:185:44
511.46:185:45
611.46:195:45
711.46:195:45
811.46:205:46
911.46:205:46
1011.46:215:46
1111.46:215:47
1211.46:225:47
1311.46:225:47
1411.46:235:48
1511.46:235:48
1611.46:245:49
1711.46:245:49
1811.46:255:49
1911.46:255:50
2011.46:265:50
2111.46:265:51
2211.46:275:51
2311.46:275:52
2411.46:285:52
2511.46:285:53
2611.46:285:53
2711.46:295:54
2811.46:295:54
2911.46:305:55
3011.46:305:55
3111.46:315:56

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.8 kWh/m².

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.39 kWh/m² in March across the year — December's 5.8 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.9Bright
315.9Bright
Planning a trip in December

Hazard calendar for Wa

In seasonPeak

None of Wa's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Wa's monsoon runs June–September, when most of the year's rain falls.

Wa sees seasonal dust haze (February–May), heaviest in February.

Monsoon
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Wa?

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

4.3
Sightseeing
1st-best month of the year
7.9
Beach & pool
1st-best month of the year

December is a reasonable time to visit Wa for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Wa in December

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

In December, Wa sees daytime highs around 34°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Wa in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Wa peaks around March 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 19UV 13Dec 18UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Wa 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 Wa is worst in December — around 166 µg/m³ PM2.5 (very unhealthy), about 13.3× the cleanest month (August, 13 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModerateUnhealthyDec 16155 µg/m³Aug 1413 µg/m³
PM2.5 (µg/m³)Level
Jan67Unhealthy
Feb68Unhealthy
Mar43Poor
Apr37Poor
May20Moderate
Jun17Moderate
Jul14Moderate
Aug13Moderate
Sep15Moderate
Oct25Moderate
Nov86Unhealthy
Dec166Very unhealthy
Location & terrain

Where is Wa?

Wa sits at 10.1°N, 2.5°W, 326 m above sea level, in Ghana. The nearest listed city is Batié, 50 km away.

BatiéJirapaGaouaDoropoBounaLéoDiébougouDamongo

Topography around Wa

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

Within 3 km, the terrain around Wa has only modest variations in elevation — a maximum elevation change of 65 m around an average of 316 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 183 m; within 80 km, significant variations in elevation — a maximum elevation change of 410 m.

The land around Wa is covered by artificial surfaces (55%) within 3 km, grassland (48%), cropland (24%) and shrubs (22%) within 16 km, and grassland (55%) and shrubs (33%) within 80 km.

3 km
65 m
16 km
183 m
80 km
410 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Batié 50 km · Jirapa 57 km · Gaoua 80 km · Doropo 97 km · Bouna 103 km · Léo 123 km · Diébougou 129 km · Damongo 132 km

Ghana travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$3,257
2025
Happiness
4.6 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
1.8
per 100k, 2022
Road deaths
25.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 540
Religion
Christian 71%Muslim 20%other 5%traditionalist 3%

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 Wa (10.0607°, -2.5019°, elevation 326 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).