Tetu weather in December

In December, Tetu sees average daytime highs of 21°C and overnight lows near 12°C, with 181 mm of rain across 22 wet days and about 12 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 21% of the time in December, and the air most often feels comfortable.

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 Tetu's 4th-clearest and 12th-windiest month. For the whole year in context, see Tetu's year-round climate.

Daytime high
21°
5th warmest
Overnight low
12°
6th coldest
Rainfall
181 mm
22 wet days
Daylight
12 hours
6:28 AM – 6:29 PM
Cloud cover
61%
4th clearest
Wind
5 km/h
12th windiest
Solar energy
5.5 kWh/m²
Travel score
4.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical December day in Tetu reaches about 21°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 22°C. Set against its neighbours, December runs about 1°C warmer than November and about 1°C cooler than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12012
22012
32012
42012
52012
62012
72012
82012
92012
102012
112012
122112
132112
142112
152112
162111
172111
182111
192111
202111
212111
222111
232111
242111
252111
262111
272111
282111
292111
302111
312111

Tetu weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 11°11014.5126.1
Feb23° / 11°8411.9126.4
Mar23° / 12°13318.5125.6
Apr21° / 13°20625.4124.1
May20° / 13°15822.2124.5
Jun19° / 12°7716.6124.9
Jul18° / 11°5214.1125.0
Aug18° / 11°5715.4125.0
Sep20° / 11°4611.9125.9
Oct20° / 12°12918.7125.1
Nov20° / 12°23026.4123.8
Dec21° / 12°18122124.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23466
33466
43664
53862
63862
74060
84159
94357
104555
114555
124654
134852
144852
154951
165149
175149
185248
195248
205248
215446
225446
235446
245545
255545
265644
275644
285644
295743
305743
315743

Chance of precipitation in December

Any precipitation

Tetu gets around 181 mm of rain over 22 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 71% and peaks near 88% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
287
387
486
585
684
783
881
980
1078
1176
1275
1373
1472
1570
1669
1768
1867
1966
2065
2164
2263
2362
2461
2560
2660
2759
2859
2958
3057
3156

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the comfortable band about 58% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
12476
22575
32674
42773
52872
62971
73070
83169
93268
103367
113466
123565
133763
143862
154060
164159
174357
184456
194555
204753
214852
225050
235149
245347
255446
265545
275644
285743
295842
305842
315941

Wind in December

Winds average 5 km/h in December, the calmest month.

Across December, daily wind ranges from about 4 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
144calm
154calm
164calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:21 AM to 6:35 AM, and sunset from 6:23 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:216:23
212.06:226:23
312.06:226:24
412.06:236:24
512.06:236:24
612.06:236:25
712.06:246:25
812.06:246:26
912.06:256:26
1012.06:256:27
1112.06:256:27
1212.06:266:27
1312.06:266:28
1412.06:276:28
1512.06:276:29
1612.06:286:29
1712.06:286:30
1812.06:296:30
1912.06:296:31
2012.06:306:31
2112.06:306:32
2212.06:316:32
2312.06:316:33
2412.06:316:33
2512.06:326:33
2612.06:326:34
2712.06:336:34
2812.06:336:35
2912.06:346:35
3012.06:346:36
3112.06:356:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.5 kWh/m².

For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 6.61 kWh/m² in February across the year — December's 5.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.2Bright
45.2Bright
55.2Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.4Bright
115.4Bright
125.4Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in December

Is December a good time to visit Tetu?

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

4.7
Sightseeing
9th-best month of the year
2.8
Beach & pool
6th-best month of the year

December is a reasonable time to visit Tetu for sightseeing.

What to pack for Tetu in December

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

In December, Tetu sees daytime highs around 21°C and nights near 12°C. Pack rain gear. Worth having: sun protection. About 22 days see rain.

rain gearsun protection

UV index in Tetu in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tetu peaks around March 16 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 17Jun 19UV 11
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar17Extreme
Apr16Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep14Extreme
Oct14Extreme
Nov14Extreme
Dec13Extreme

Air quality in Tetu 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 Tetu is worst in June — around 65 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJun 1864 µg/m³Sep 2348 µg/m³
PM2.5 (µg/m³)Level
Jan62Unhealthy
Feb59Unhealthy
Mar56Unhealthy
Apr56Unhealthy
May57Unhealthy
Jun65Unhealthy
Jul60Unhealthy
Aug51Poor
Sep48Poor
Oct48Poor
Nov60Unhealthy
Dec64Unhealthy
Location & terrain

Where is Tetu?

Tetu sits at 0.4°S, 36.9°E, 1,937 m above sea level, in Kenya. The nearest listed city is Nyeri, 4.0 km away.

Topography around Tetu

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

Within 3 km, the terrain around Tetu has significant variations in elevation — a maximum elevation change of 447 m around an average of 1,910 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,221 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,061 m.

The land around Tetu is covered by trees (71%) and shrubs (21%) within 3 km, trees (60%) and shrubs (23%) within 16 km, and trees (31%), grassland (30%) and shrubs (20%) within 80 km.

3 km
447 m
16 km
1,221 m
80 km
4,061 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Nyeri 4.0 km · Karatina 24 km · Kerugoya 41 km · Murang’a 41 km · Karuri 42 km · Nanyuki 52 km · Wanguru 56 km · Kenol 60 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 Tetu (-0.4342°, 36.9168°, elevation 1,937 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).