Garissa weather in August

In August, Garissa sees average daytime highs of 31°C and overnight lows near 22°C, with 2 mm of rain across 0.2 wet days and about 12 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 14% of the time in August, and the air most often feels humid.

Daylight stretches from about 12 hours at the start of August to 12 hours by month's end. Set against the rest of the year, August is Garissa's 10th-clearest and 3rd-windiest month. For the whole year in context, see Garissa's year-round climate.

Daytime high
31°
11th warmest
Overnight low
22°
1st coldest
Rainfall
2 mm
0.2 wet days
Daylight
12 hours
6:26 AM – 6:25 PM
Cloud cover
68%
10th clearest
Wind
22 km/h
3rd windiest
Solar energy
5.04 kWh/m²
Travel score
5.0
out of 10

Garissa is capital of Garissa County, Kenya.

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 31°C through the month.

A typical August day in Garissa reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183222
193222
203222
213222
223222
233222
243222
253222
263222
273222
283222
293222
303222
313222

How August really feels in Garissa

Once humidity and wind are folded in, August averages 17 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
17
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Garissa weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan35° / 24°171.9123.3
Feb36° / 25°40.9122.7
Mar36° / 26°203.6122.3
Apr35° / 25°367.9122.7
May33° / 24°163.1123.9
Jun32° / 23°20.4124.6
Jul31° / 22°20.3125.1
Aug31° / 22°20.2125.0
Sep33° / 23°50.8124.4
Oct34° / 24°163.6123.6
Nov33° / 24°6711.8123.3
Dec33° / 24°427.6123.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 65%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
33070
43070
53070
63169
73070
83070
93169
103268
113268
123268
133268
143367
153466
163466
173565
183763
193763
203763
213862
224060
234060
244060
254258
264258
274258
284258
294357
304357
314357

Chance of precipitation in August

Any precipitation

Garissa gets around 2 mm of rain over 0.2 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 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
261
271
281
291
301
311

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 72% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
157322
257223
347323
447323
547323
647323
747323
847323
937324
1037324
1137324
1237324
1337324
1437324
1537225
1637225
1727325
1827325
1927325
2027226
2127226
2227226
2327226
2437126
2537126
2637126
2737126
2837027
2937027
3027127
3127127

Wind in August

Winds average 22 km/h in August.

Across August, daily wind ranges from about 21 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
122breezy
222breezy
322breezy
422breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in August

DaylightNight

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

Days grow by about 0 minutes over August. Sunrise moves from 6:28 AM to 6:22 AM, and sunset from 6:27 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:286:27
212.06:286:27
312.06:286:27
412.06:286:27
512.06:286:27
612.06:286:27
712.06:286:26
812.06:276:26
912.06:276:26
1012.06:276:26
1112.06:276:26
1212.06:276:26
1312.06:276:26
1412.06:266:25
1512.06:266:25
1612.06:266:25
1712.06:266:25
1812.06:266:25
1912.06:256:24
2012.06:256:24
2112.06:256:24
2212.06:246:24
2312.06:246:23
2412.06:246:23
2512.06:246:23
2612.06:236:23
2712.06:236:22
2812.06:236:22
2912.06:226:22
3012.06:226:21
3112.06:226:21

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.04 kWh/m².

For context, solar energy here swings from a low near 4.69 kWh/m² to a high of 6.75 kWh/m² in February across the year — August's 5.04 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in August

Is August a good time to visit Garissa?

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

5.0
Sightseeing
2nd-best month of the year
7.7
Beach & pool
1st-best month of the year

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

What to pack for Garissa in August

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

In August, Garissa sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: sun protection and a windbreaker.

light clothessun protectiona windbreaker

UV index in Garissa in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Garissa peaks around March 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 24UV 15Jun 17UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct14Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Garissa?

Garissa sits at 0.5°S, 39.6°E, 147 m above sea level, in Kenya. The nearest listed city is Hola, 122 km away.

HolaMasalaniHabasweinGarba TulaMwingiMauaKituiChuka

Topography around Garissa

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

Within 3 km, the terrain around Garissa has only modest variations in elevation — a maximum elevation change of 45 m around an average of 151 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 135 m; within 80 km, significant variations in elevation — a maximum elevation change of 353 m.

The land around Garissa is covered by artificial surfaces (48%) within 3 km, shrubs (60%) and grassland (25%) within 16 km, and shrubs (79%) within 80 km.

3 km
45 m
16 km
135 m
80 km
353 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwetland
August weather nearby: Hola 122 km · Masalani 150 km · Habaswein 164 km · Garba Tula 167 km · Mwingi 184 km · Maua 204 km · Kitui 208 km · Chuka 223 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 Garissa (-0.4527°, 39.646°, elevation 147 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).