Garissa weather in December

In December, Garissa sees average daytime highs of 33°C and overnight lows near 24°C, with 42 mm of rain across 7.6 wet days and about 12 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 46% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of December to 12 hours by month's end. Set against the rest of the year, December is Garissa's 4th-clearest and 12th-windiest month. For the whole year in context, see Garissa's year-round climate.

Daytime high
33°
6th warmest
Overnight low
24°
7th coldest
Rainfall
42 mm
7.6 wet days
Daylight
12 hours
6:17 AM – 6:18 PM
Cloud cover
46%
4th clearest
Wind
9 km/h
12th windiest
Solar energy
5.83 kWh/m²
Travel score
3.6
out of 10

Garissa is capital of Garissa County, Kenya.

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 33°C through the month.

A typical December day in Garissa reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183424
193424
203424
213424
223424
233424
243424
253424
263424
273424
283424
293424
303424
313424

How December really feels in Garissa

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.

Garissa weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 2nd-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 27% of December, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26832
36931
46931
57030
67030
77030
87129
97228
107228
117228
127327
137327
147327
157327
167327
177327
187426
197426
207426
217426
227426
237525
247624
257624
267624
277624
287624
297624
307624
317624

Chance of precipitation in December

Any precipitation

Garissa gets around 42 mm of rain over 7.6 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 24% and peaks near 40% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
240
339
438
538
637
736
835
934
1032
1131
1230
1328
1426
1525
1623
1721
1820
1919
2018
2116
2216
2315
2414
2513
2613
2712
2812
2912
3011
3111

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10129700
20129691
30130681
40130681
50230671
60231661
70331651
80332641
90433621
100534601
110535591
120636571
130737560
140838540
151840510
161941490
1711043470
1811044450
1911145430
2011246410
2111247390
2211348370
2311449350
2421550340
2521650320
2621651310
2721751300
2821851290
2921952270
3022052260
3122152250

Wind in December

Winds average 9 km/h in December, the calmest month.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 6:10 AM to 6:24 AM, and sunset from 6:12 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:106:12
212.06:116:12
312.06:116:13
412.06:126:13
512.06:126:13
612.06:126:14
712.06:136:14
812.06:136:15
912.06:146:15
1012.06:146:16
1112.06:156:16
1212.06:156:17
1312.06:156:17
1412.06:166:17
1512.06:166:18
1612.06:176:18
1712.06:176:19
1812.06:186:19
1912.06:186:20
2012.06:196:20
2112.06:196:21
2212.06:206:21
2312.06:206:22
2412.06:216:22
2512.06:216:23
2612.06:216:23
2712.06:226:24
2812.06:226:24
2912.06:236:24
3012.06:236:25
3112.06:246:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.83 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 — December's 5.83 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
216.0Bright
226.0Bright
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in December

Is December a good time to visit Garissa?

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

3.6
Sightseeing
6th-best month of the year
6.6
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Garissa. The water and warmth also suit a beach or pool day.

What to pack for Garissa in December

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

In December, Garissa sees daytime highs around 33°C and nights near 24°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Garissa in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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
December 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).