Gilgil weather in December

In December, Gilgil sees average daytime highs of 23°C and overnight lows near 12°C, with 85 mm of rain across 10.2 wet days and about 12 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 13% of the time in December, and the air most often feels dry.

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 Gilgil's 5th-clearest and 11th-windiest month. For the whole year in context, see Gilgil's year-round climate.

Daytime high
23°
5th warmest
Overnight low
12°
6th coldest
Rainfall
85 mm
10.2 wet days
Daylight
12 hours
6:30 AM – 6:32 PM
Cloud cover
64%
5th clearest
Wind
5 km/h
11th windiest
Solar energy
5.85 kWh/m²
Travel score
6.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical December day in Gilgil reaches about 23°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 25°C. Set against its neighbours, December runs about 1°C warmer than November and about 1°C cooler than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12212
22212
32212
42212
52312
62312
72312
82312
92312
102312
112312
122312
132312
142312
152312
162312
172312
182312
192312
202312
212312
222312
232312
242312
252312
262312
272412
282412
292412
302412
312412

Gilgil weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 11°465.9127.5
Feb26° / 11°313.9127.5
Mar26° / 12°788.8126.9
Apr23° / 13°15216.8125.6
May22° / 13°9113.3126.1
Jun21° / 12°7012.8125.9
Jul20° / 12°5011.6125.9
Aug21° / 11°5912125.9
Sep22° / 11°5910.2126.6
Oct23° / 12°9512.3126.2
Nov22° / 13°16318.4125.2
Dec23° / 12°8510.2126.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 30% of December, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33664
43763
53862
63862
74060
84159
94159
104258
114357
124357
134456
144456
154357
164456
174456
184456
194555
204654
214654
224555
234654
244753
254753
264753
274852
284852
294852
304852
314951

Chance of precipitation in December

Any precipitation

Gilgil gets around 85 mm of rain over 10.2 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 33% and peaks near 51% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
151
250
349
448
546
645
744
843
941
1040
1138
1236
1334
1433
1531
1630
1729
1828
1927
2026
2125
2225
2324
2424
2523
2623
2723
2822
2922
3022
3122

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
18119
28218
38218
48218
58218
68317
78317
88416
98416
108515
118515
128614
138713
148713
158812
168812
178812
188812
198812
208812
218812
228812
238812
248812
258812
268812
278812
288812
298713
308812
318812

Wind in December

Winds average 5 km/h in December.

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
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
135calm
145calm
155calm
165calm
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 6:24 AM to 6:37 AM, and sunset from 6:25 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:246:25
212.06:246:26
312.06:246:26
412.06:256:26
512.06:256:27
612.06:266:27
712.06:266:28
812.06:266:28
912.06:276:29
1012.06:276:29
1112.06:286:29
1212.06:286:30
1312.06:296:30
1412.06:296:31
1512.06:306:31
1612.06:306:32
1712.06:306:32
1812.06:316:33
1912.06:316:33
2012.06:326:34
2112.06:326:34
2212.06:336:35
2312.06:336:35
2412.06:346:36
2512.06:346:36
2612.06:356:36
2712.06:356:37
2812.06:366:37
2912.06:366:38
3012.06:376:38
3112.06:376:39

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.85 kWh/m².

For context, solar energy here swings from a low near 4.71 kWh/m² to a high of 6.96 kWh/m² in February across the year — December's 5.85 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in December

Is December a good time to visit Gilgil?

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

6.7
Sightseeing
4th-best month of the year
5.2
Beach & pool
4th-best month of the year

December is a reasonable time to visit Gilgil for sightseeing.

What to pack for Gilgil in December

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

In December, Gilgil sees daytime highs around 23°C and nights near 12°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Gilgil 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 Gilgil 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
Oct15Extreme
Nov14Extreme
Dec13Extreme

Air quality in Gilgil 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 Gilgil is worst in June — around 47 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorJun 2047 µg/m³Oct 936 µg/m³
PM2.5 (µg/m³)Level
Jan43Poor
Feb41Poor
Mar42Poor
Apr39Poor
May40Poor
Jun47Poor
Jul45Poor
Aug39Poor
Sep37Poor
Oct36Poor
Nov42Poor
Dec44Poor
Location & terrain

Where is Gilgil?

Gilgil sits at 0.5°S, 36.3°E, 2,009 m above sea level, in Kenya. The nearest listed city is Naivasha, 27 km away.

Topography around Gilgil

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

Within 3 km, the terrain around Gilgil has only modest variations in elevation — a maximum elevation change of 164 m around an average of 1,991 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 881 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,992 m.

The land around Gilgil is covered by grassland (57%) and artificial surfaces (21%) within 3 km, grassland (48%) and shrubs (20%) within 16 km, and trees (28%), grassland (28%) and cropland (24%) within 80 km.

3 km
164 m
16 km
881 m
80 km
2,992 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Naivasha 27 km · Ol Kalou 27 km · Upper Gilgil 33 km · Nakuru 35 km · Njoro 46 km · Mairo Inya 60 km · Nyahururu 60 km · Mai 61 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 Gilgil (-0.504°, 36.3184°, elevation 2,009 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).