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Ol Kalou, Kenya
Nyandarua County · Kenya
Ol Kalou is a mid-size city in Nyandarua County, Kenya with a population of 47,795. Elevation: 7,703 ft (2,348 m). Average temperature: 59°F (15°C).
Data updated June 2026
Discover Ol Kalou, Kenya
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About Ol Kalou
Ol Kalou is a town in Kenya and the capital of Nyandarua County, formerly part of Central Province. It is located west of the Aberdare Range and about 40 kilometres east of Nakuru. Ol Kalou is connected by road to Gilgil, Nyahururu and Nakuru. Ol Kalou forms a town council and had a population of 47,795, of whom 15,186 were classified urban.
People
Climate
| Population | 47,795 |
| Population Density | 171 / sq mi |
| Elevation | 7,703 ft (2,348 m) |
| Coordinates | -0.2709°, 36.3792° |
| Timezone | Africa/Nairobi |
| Country | 🇰🇪 Kenya |
| State / Province | Nyandarua County |
| Average Temperature | 59°F (15°C) |
| January Average | 59°F (15°C) |
| July Average | 57°F (14°C) |
| Annual Precipitation | 41.3 inches (1,049 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Ol Kalou
Ol Kalou is a mid-size city in Kenya (Nyandarua County) with a population of 47,795. The city sits at an elevation of 7,703 feet (2,348 meters) above sea level. The average annual temperature is 59°F (15°C). Temperatures range from 59°F in January to 57°F in July. Annual precipitation averages 41.3 inches. The timezone is Africa/Nairobi.
Climate in Ol Kalou
Ol Kalou has an average annual temperature of 15.3°C (60°F). The hottest month is Mar (16.6°C), the coldest is Jul (14°C). Average annual precipitation is 1763 mm.
Temperature
| Annual Average | 59.3°F |
| 10% above Kenya avg | |
| January Average | 59°F (15°C) |
| July Average | 57°F (14°C) |
| Sunny Days | 355 days/yr |
Geography
| Elevation | 7,703 ft (2,348 m) |
| Area | 280.0 sq mi (725.3 km²) |
| Population Density | 171/sq mi |
| Coordinates | -0.2709°N, 36.3792°W |
| Timezone | Africa/Nairobi |
Precipitation & Snow
Air Quality
Nearby Volcanoes
9 volcanoes within 200 km. Closest: Eburru, Ol Doinyo (46 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Eburru, Ol Doinyo | Complex | 2,856 m (9,370 ft) | Unknown | 46 km |
| Olkaria | Pyroclastic cone(s) | 2,434 m (7,986 ft) | 1770 | 71 km |
| Suswa | Shield | 2,356 m (7,730 ft) | Unknown | 98 km |
| Ol Kokwe | Shield | 1,130 m (3,707 ft) | Unknown | 105 km |
| Korosi | Shield | 1,446 m (4,744 ft) | Unknown | 119 km |
| Paka | Shield | 1,697 m (5,568 ft) | -7550 | 134 km |
| Silali | Shield | 1,528 m (5,013 ft) | -5050 | 159 km |
| Nyambeni Hills | Shield | 750 m (2,461 ft) | Unknown | 175 km |
| Emuruangogolak | Shield | 1,285 m (4,216 ft) | 1910 | 197 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 59°F (15°C) | 1.1 in | Driest |
| February | 59°F (15°C) | 1.1 in | |
| March | 60°F (15°C) | 2.0 in | Warmest |
| April | 60°F (15°C) | 4.5 in | Wettest |
| May | 59°F (15°C) | 4.3 in | |
| June | 57°F (14°C) | 3.1 in | |
| July | 57°F (14°C) | 3.9 in | |
| August | 56°F (13°C) | 4.4 in | Coldest |
| September | 56°F (14°C) | 2.7 in | |
| October | 58°F (14°C) | 2.6 in | |
| November | 58°F (14°C) | 3.3 in | |
| December | 58°F (14°C) | 1.7 in |
Ol Kalou has a seasonal temperature swing of 4°F / from 56°F in August to 60°F in March. Total annual precipitation is 34.7 inches, with April being the wettest month (4.5") and January the driest (1.1").
Schools in Ol Kalou
14 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Ranges View Secondary | - | - | - | - |
| Manyatta Secondary | - | - | - | - |
| Gichungo Secondary | - | - | - | - |
| Sint Lucie's Secondary School | - | - | - | - |
| Ndemi Secondary School | - | - | - | - |
| Mihuti secondary | - | - | - | - |
| Kalou Secondary | - | - | - | - |
| Kieni Secondary School | - | - | - | - |
| Nyandarua High School | - | - | - | - |
| A. C Olkalou Primary School | - | - | - | - |
| Highway Millenium Secondary School | - | - | - | - |
| Hezta Preparatory & Senior School | - | - | - | - |
| Kiganjo Primary School | - | - | - | - |
| Kiganjo Seondary School | - | - | - | - |
Museums in Ol Kalou
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Kariandusi Museum |
Farmers Markets in Ol Kalou
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Bahati Open Air Market | |||||
| Barnabas Highway Market | |||||
| Barnabas Highway Market | |||||
| Dondori Centre | |||||
| Kiundu | |||||
| Kiundu | |||||
| Mbaruk Shopping Centre | |||||
| Ndaragwa Market |
Restaurants in Ol Kalou
2 restaurants within city radius - OpenStreetMap data
Train Stations in Ol Kalou
3 train stations within city radius - OpenStreetMap data
Bus Stations in Ol Kalou
1 bus stations within city radius - OpenStreetMap data
Gas Stations in Ol Kalou
4 gas stations within city radius - OpenStreetMap data
Banks in Ol Kalou
4 banks within city radius - OpenStreetMap data
Airports Near Ol Kalou
50 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Laikipia Air Base | - | Medium Airport |
| Nakuru Lanet Airport | NUU | Medium Airport |
| Nanyuki Civil Airport | NYK | Medium Airport |
| Airspray Naivasha Airfield | - | Small Airport |
| Barina Airport | - | Small Airport |
| Barton's Naivasha Airport | - | Small Airport |
| Carzan Rongai Airport | - | Small Airport |
| Congrieve Airfield | - | Small Airport |
| Crescent Island Naivasha Airport | - | Small Airport |
| Delamare Camp Airport | - | Small Airport |
| Enasoit Airport | - | Small Airport |
| Gilgil Coulson Airport | - | Small Airport |
| Gogar Airport | - | Small Airport |
| Green Park Airport | - | Small Airport |
| Head Office Delamere Estates Airport | - | Small Airport |
| Ilkek Airport | - | Small Airport |
| Jolai Delamere Estates Airport | - | Small Airport |
| Kabarak Airstrip | - | Small Airport |
| Kamok Airstrip | - | Small Airport |
| Kerio Valley Airport | KRV | Small Airport |
| Kifuku Estate Airstrip | - | Small Airport |
| Kigio (Malewa) Airport | - | Small Airport |
| Kijabe Airport | - | Small Airport |
| Kongoni Airport | - | Small Airport |
| Kongoni Game Valley Airport | - | Small Airport |
| Laburra Airport | - | Small Airport |
| Loldia Airport | - | Small Airport |
| Lomolo Airport | - | Small Airport |
| Longonot Fair Airstrip | - | Small Airport |
| Manyatta Airport | - | Small Airport |
| Marrian's Airport | - | Small Airport |
| Mbaruk Airport | - | Small Airport |
| Menengai Airport | - | Small Airport |
| Milmet Airport | - | Small Airport |
| Mpala Farm Airstrip | - | Small Airport |
| Mpala Research Center Airstrip | - | Small Airport |
| Mukenye Ranch Airstrip | - | Small Airport |
| Naishi Airport | - | Small Airport |
| Naivasha Farm Airstrip | - | Small Airport |
| Nanyuki West Airport | - | Small Airport |
| Ndabibi Airport | - | Small Airport |
| Ngorare Ranch Airport | - | Small Airport |
| Njoro Airport | - | Small Airport |
| Nyahururu Airport | - | Small Airport |
| Nyeri Airport | NYE | Small Airport |
| Ol Maisor Airport | - | Small Airport |
| Oljogi Ranch Airport | - | Small Airport |
| Olpejeta Airport | - | Small Airport |
| Oserian Naivasha Airport | - | Small Airport |
| Oserongoni Airport | - | Small Airport |
Churches & Religious Organizations in Ol Kalou
3 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Mary of God Sanctuary | |
| Saint Michael Catholic Church Kiganjo | |
| Seventh Day Adventist Kiganjo Church |
Quick Facts
🇰🇪 About Kenya
Public Holidays in Kenya
10 public holidays this year
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Get ReportFrequently Asked Questions About Ol Kalou
What is the population of Ol Kalou?
Ol Kalou has a population of 47,795 residents and is located in Kenya. The population density is 171 people per square mile, spread across 280.0 square miles.
What is the weather like in Ol Kalou?
Ol Kalou enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winter temperatures average 59°F in January, while summers reach an average of 57°F in July. The area receives 355 sunny days per year, well above the national average of 205. Annual rainfall totals 41.3 inches.