Watamu weather in August

In August, Watamu sees average daytime highs of 27°C and overnight lows near 23°C, with 34 mm of rain across 12.2 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 50% of the time in August, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Watamu's 8th-clearest and 3rd-windiest month. For the whole year in context, see Watamu's year-round climate.

Daytime high
27°
11th warmest
Overnight low
23°
1st coldest
Rainfall
34 mm
12.2 wet days
Daylight
11 h 54 min
6:27 AM – 6:21 PM
Cloud cover
48%
8th clearest
Wind
20 km/h
3rd windiest
Solar energy
5.64 kWh/m²
Travel score
6.4
out of 10

Watamu is human settlement.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical August day in Watamu reaches about 27°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12723
22723
32723
42723
52723
62723
72723
82723
92723
102723
112723
122723
132723
142723
152723
162723
172723
182723
192723
202723
212723
222723
232723
242723
252723
262723
272723
282823
292823
302823
312823

How August really feels in Watamu

Once humidity and wind are folded in, August 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

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

Watamu weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 25°142.612.25.5
Feb31° / 25°71.512.15.4
Mar32° / 25°359.9124.3
Apr31° / 26°962211.93.4
May29° / 25°15221.211.84.3
Jun28° / 24°6114.811.85.6
Jul27° / 23°4412.511.86.1
Aug27° / 23°3412.211.96.4
Sep28° / 23°3010.9126.4
Oct29° / 24°6512.612.15.5
Nov30° / 25°6014.912.24.6
Dec31° / 25°4411.412.24.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36139
46238
56238
66238
76337
86337
96436
106634
116733
126733
136832
146931
157030
167129
177228
187327
197327
207426
217525
227624
237723
247723
257822
267822
277921
287921
298020
308119
318119

Chance of precipitation in August

Any precipitation

Watamu gets around 34 mm of rain over 12.2 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
243
343
443
543
643
743
843
943
1042
1141
1241
1340
1440
1539
1639
1738
1838
1937
2037
2136
2236
2336
2435
2535
2635
2735
2835
2935
3035
3135

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 74% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
127127
227127
317227
417326
517326
617425
717425
817524
917524
1017524
1117623
1207723
1307723
1407723
1507723
1607624
1707624
1807624
1907624
2007624
2107525
2207525
2307525
2407426
2507426
2607327
2707327
2807228
2907228
3007129
3107030

Wind in August

Winds average 20 km/h in August.

Across August, daily wind ranges from about 20 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1420breezy
1520breezy
1620breezy
1720breezy
1820breezy
1920breezy
2020breezy
2120breezy
2220breezy
2320breezy
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3120light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 54 min at the start of August to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over August. Sunrise moves from 6:30 AM to 6:22 AM, and sunset from 6:22 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:306:22
211.96:306:22
311.96:306:22
411.96:306:22
511.96:306:22
611.96:306:21
711.96:296:21
811.96:296:21
911.96:296:21
1011.96:296:21
1111.96:296:21
1211.96:286:21
1311.96:286:21
1411.96:286:21
1511.96:286:21
1611.96:276:21
1711.96:276:21
1811.96:276:20
1911.96:266:20
2011.96:266:20
2111.96:266:20
2211.96:256:20
2311.96:256:20
2411.96:256:19
2511.96:246:19
2611.96:246:19
2711.96:246:19
2811.96:236:19
2911.96:236:18
3011.96:226:18
3111.96:226:18

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.64 kWh/m².

For context, solar energy here swings from a low near 4.88 kWh/m² to a high of 6.58 kWh/m² in February across the year — August's 5.64 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in August

Hazard calendar for Watamu

In seasonPeak

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

Watamu's rainy season runs April–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Watamu?

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

6.4
Sightseeing
1st-best month of the year
6.6
Beach & pool
7th-best month of the year

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

What to pack for Watamu in August

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

In August, Watamu sees daytime highs around 27°C and nights near 23°C. Pack light clothes. Worth having: rain gear, sun protection and a windbreaker. About 12 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Watamu in August

The nearest coast averages about 25°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in April at about 29°C and coldest in August near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar29Tropical
Apr29Tropical
May28Warm
Jun27Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct27Warm
Nov28Warm
Dec28Tropical

UV index in Watamu in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Watamu peaks around March 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 19UV 15Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun9Very high
Jul10Extreme
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme

Air quality in Watamu in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Watamu is worst in January — around 16 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodModerateJan 1716 µg/m³Oct 209 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb15Moderate
Mar13Moderate
Apr10Good
May11Good
Jun13Moderate
Jul14Moderate
Aug11Good
Sep10Good
Oct9Good
Nov9Good
Dec14Moderate
Location & terrain

Where is Watamu?

Watamu sits at 3.4°S, 40.0°E, 6 m above sea level, in Kenya. The nearest listed city is Malindi, 18 km away.

MtwapaMariakaniJomvuMazerasMombasaMatuga

Topography around Watamu

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

Within 3 km, the terrain around Watamu has only modest variations in elevation — a maximum elevation change of 23 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 152 m; within 80 km, significant variations in elevation — a maximum elevation change of 518 m.

The land around Watamu is covered by water (46%) and trees (28%) within 3 km, water (47%) and trees (32%) within 16 km, and water (36%), shrubs (29%) and trees (21%) within 80 km.

3 km
23 m
16 km
152 m
80 km
518 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
August weather nearby: Malindi 18 km · Kilifi 36 km · Mtwapa 72 km · Mariakani 83 km · Jomvu 84 km · Mazeras 86 km · Mombasa 87 km · Matuga 103 km

Kenya travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type G
240 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$2,363
2025
Happiness
4.7 / 10
World Happiness, 2025
Homicide rate
4.9
per 100k, 2022
Road deaths
28.3
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 593
Religion
Christian 86%Muslim 11%other 2%none 2%

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 Watamu (-3.3533°, 40.0209°, elevation 6 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).