Upper Gilgil in Summer

In summer (December, January and February), Upper Gilgil sees average daytime highs around 23°C and overnight lows near 10°C, with 241 mm of rain over about 23 wet days across the season. It is the warmest season of the year and the driest season of the year.

Over the season highs climb from about 21°C in early December to 25°C by late February. The sky is clear or mostly clear about 17% of the time across summer, and the air most often feels dry.

Summer is Upper Gilgil's best season of the year to visit on our travel score. For the whole year in context, see Upper Gilgil's year-round climate.

Avg daytime high
23°C
warmest season of the year
Avg overnight low
10°C
Rainfall
241 mm
23 wet days
Avg wind
6 km/h
Travel score
7.0
best season of the year
Months
Dec · Jan · Feb

Temperature in Upper Gilgil in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 21°C in early December to 25°C by late February.

A typical summer day in Upper Gilgil reaches about 23°C and drops to 10°C overnight. The warmest of the three months is February, the coolest February.

10°15°20°25°30°DecJanFeb

Upper Gilgil weather by month

How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 10°666.8127.3
Feb25° / 10°464.8127.5
Mar25° / 11°1459.2126.9
Apr23° / 12°33018.3125.3
May22° / 12°27316.9125.5
Jun21° / 12°13216.4125.3
Jul20° / 11°12919.6124.7
Aug20° / 11°15520.3124.7
Sep21° / 10°15314.1125.8
Oct22° / 11°31317.1125.3
Nov21° / 11°31520.3124.8
Dec22° / 11°12911.3126.3

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Upper Gilgil gets around 241 mm of rain over 23 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 6 km/h across summer.

0246810DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 12 hours in early December to 12 hours by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 6.5 kWh/m².

02468DecJanFeb
Planning a trip in summer

Is summer a good time to visit Upper Gilgil?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

7.0
Sightseeing
1st-best month of the year
5.6
Beach & pool
1st-best month of the year

summer is one of the better times to visit Upper Gilgil for general sightseeing.

What to pack for Upper Gilgil in Summer

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

In summer, Upper Gilgil sees daytime highs around 23°C and nights near 10°C. Pack sun protection. Worth having: light clothes and rain gear. About 23 days see rain.

sun protectionlight clothesrain gear

UV index in Upper Gilgil in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Upper 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 Upper Gilgil in Summer

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Upper Gilgil is worst in June — around 38 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJun 2338 µg/m³Jan 1227 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb29Moderate
Mar32Moderate
Apr28Moderate
May31Moderate
Jun38Poor
Jul37Poor
Aug32Moderate
Sep30Moderate
Oct28Moderate
Nov28Moderate
Dec27Moderate
Location & terrain

Where is Upper Gilgil?

Upper Gilgil sits at 0.2°S, 36.3°E, 2,710 m above sea level, in Kenya. The nearest listed city is Ol Kalou, 14 km away.

Topography around Upper Gilgil

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

Within 3 km, the terrain around Upper Gilgil has significant variations in elevation — a maximum elevation change of 295 m around an average of 2,664 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 985 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,006 m.

The land around Upper Gilgil is covered by trees (36%), shrubs (22%) and cropland (22%) within 3 km, cropland (42%) and trees (29%) within 16 km, and grassland (30%), trees (25%) and cropland (25%) within 80 km.

3 km
295 m
16 km
985 m
80 km
3,006 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
Summer weather nearby: Ol Kalou 14 km · Nakuru 25 km · Nyahururu 30 km · Mairo Inya 30 km · Gilgil 33 km · Njoro 39 km · Rongai 46 km · Elburgon 52 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 Upper Gilgil (-0.2121°, 36.2725°, elevation 2,710 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.