Climate - Kenya

The climate in detail

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• The coast - Malindi
• The plateau - Nairobi, Masai Mara, Amboseli, Tsavo, Eldoret, Nakuru, Mount Kenya, Kisumu
• Arid zone - Lodwar
• Cyclones
• When to go
• What to pack

1- The coast

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On the coast, the climate is warm all year round, with a hotter period from November to April and a relatively cool period from June to September.
In January and February, there is little rain, while in March and December, some showers may occur in the southern part of the coast (see Mombasa).
The long rains season here occurs later than in the rest of Kenya, and runs from April to June, with May as the wettest month.
The best months are August and September, in fact, they are the coolest ones, in addition, they are sunny and quite dry, with rains occurring in the form of short showers, which are soon replaced by the sun.
The short rains season is not pronounced in the northern part of the coast (see Lamu), and it's a bit more evident in Malindi and Mombasa, with some showers in October and November, usually not intense. However, it must be said that it depends on the year: sometimes, it can rain heavily even between October and December, and especially in November. However, rainfall on the coast amounts to 1,000/1,100 millimeters (40/43 inches) per year on average.

Malindi

Here are the average temperatures in Malindi, located in the central part of the coast.

Here is the average precipitation in Malindi: as you can see, the only very rainy period is from April to June.

In Malindi, the sun shines all year round, though a little less from April to July. Here are the average sunshine hours per day.

The sea in Malindi (and on all the coast of Kenya) is warm enough for swimming all year round: the water temperature ranges from 25.5 °C (78 °F) in August to 29 °C (84 °F) in April.

2- The plateau

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On the plateau, the climate is generally mild or pleasantly warm. Temperature and rainfall vary according to altitude and slope exposure, in general, however, the mountains make it easier for thunderclouds to form, so the higher the altitude, the higher the chance of rain, and even in the dry seasons, some thunderstorms may break out.
At the highest elevations, above 3,000 meters (9,800 ft), night temperatures can drop below freezing (0 °C or 32 °F), and occasionally, this can also happen above 2,500 meters (8,200 ft).

Nairobi

The capital, Nairobi, is located near the Equator, at 1,600 meters (5,250 feet) above sea level. The altitude makes daytime temperatures pleasant, while keeping nights cool. Highs hover around 23/24 °C (74/75 °F) in the coolest months (June, July and August) and around 27/28 °C (80/82 °F) in the warmest months (January, February and March), while lows drop to around 12/13 °C (54/55 °F) from June to September and go up to 14/15 °C (57/59 °F) from January to April.
In July and August, the sky is often cloudy, even though there is little rain, and sometimes at night it can be even cold, in fact, the temperature can drop to around 5 °C (41 °F).
Here are the average temperatures.

Average annual rainfall in Nairobi amounts to 745 mm (29 in). During the two rainy seasons, from March to May and from October to December, it rains quite often, though the rains occur in the form of showers here as well, so they do no reduce too much the sunshine hours. The driest months are January and February, although there can be a few showers even in this period. Here is the average precipitation.

In Nairobi, the sunniest period runs from December to March, while from June to September, although it is the dry season, the sky is often cloudy.

Masai Mara

The Masai Mara National Reserve, which borders the Serengeti in Tanzania, is located at an average altitude of around 1,500 meters (5,000 feet). Here, more than 100 mm (4 in) of rain fall per month from March to May and from October to December, and April is the rainiest month with 200 mm (8 in). However, there is no completely dry season, although July is the driest month with about 60 mm (2.4 in).
Here are the average temperatures.



The parks of the south-east of the country are generally warmer and more arid than the heart of the plateau.

Amboseli National Park

The Amboseli National Park is located in the south, at 1,100 meters (3,600 feet) above sea level, and a short distance from the border with Tanzania, beyond which lies the Kilimanjaro, looming huge on the horizon. Here, there's a dry savannah environment, where elephants roam freely among many other animas such as lions, cheetahs, impalas, hyenas, giraffes, zebras, and where you can find Masai villages as well.
Here are the average temperatures.

Precipitation amounts to 700 mm (27.5 in) per year, with the usual trend: a dry season from June to September, a less pronounced one in January and February, and the two rainy seasons, the most intense one from March to May (and with a maximum in April) and the less intense one from October to December.

Tsavo National Park

A similar situation is found in the huge Tsavo National Park, which lies to the east, and it's divided into two. The altitude ranges from 500 to 1,700 meters (1,600 to 5,600 feet) in the western park, and from 200 to 800 meters (600 to 2,600 feet) in the eastern park.

Here are the average temperatures of Voi, located in this area, at 580 meters (1,900 ft) above sea level (therefore in the lowest and warmest part of the park).

As you can see from the average rainfall, in this area and at these middle or low altitudes, rainfall is not abundant, since it amounts to 550 mm (21.5 in) per year.
Here is the average precipitation.

In Voi too, the dry season is the least sunny, although the sun is slightly more frequent than in Nairobi.

The Chyulu Hills National Park is located at a higher elevation, from 900 to 2,100 meters (2,900 to 6,900 ft): above 1,800 meters (5,900 ft), there is a montane forest, but also a series of volcanic peaks and lava tunnels that make the landscape lunar.

In the highlands located north-west of Nairobi, above 2,000 meters (6,500 feet), the rain pattern is different than that of the rest of the country: in July and August, which are typically not too rainy in the rest of Kenya, the rains are plentiful, so much so that they range from 100 to 200 mm (4 to 8 in) per month, mostly in the form of thunderstorm in the afternoon or evening.
In this area (see Eldoret, Nakuru, or parks like Kakamega, South Nandi, Mount Elgon, Mau Forest), there's a peak in rainfall from April to September, while the relatively dry season is from October to March.

Eldoret

Here is the average rainfall in Eldoret, located about 260 km (165 mi) north-west of Nairobi and 2,100 meters (6,900 ft) above sea level: as you can see, the wettest months are July and August.

And here is the average temperature.

Lake Nakuru

Lake Nakuru, where you can see pink flamingos, is located at 1,750 meters (5,750 feet). Here are the average temperatures in the city of Nakuru, located on the shores of the lake.

In Nakuru, 965 mm (38 in) of rain fall per year; here too, the period from June to August is not dry.

Mount Kenya

The highest peak in the country is Mount Kenya, 5,199 meters (17,057 ft) high, which has different climatic zones according to altitude and slope exposure (the south-eastern slope is the most humid): above 2,000 meters (6,500 feet), the montane forest is found, around 2,500 meters (8,200 ft), the bamboo on the north side which is more arid, above 3,000 meters (9,800 ft), the heath, and above 4,000 meters (13,000 ft), the high altitude desert. Above 4,700 meters (15,400 ft), there are also some glaciers, the largest of which is the Lewis Glacier, unfortunately in retreat because of global warming.
West of Mount Kenya, the Aberdare Mountains reach 4,000 meters (13,000 ft). Mount Elgon is very high as well, since it reaches 4,321 meters (14,176 ft), however, the summit is located in Uganda.

Kisumu

The north-eastern portion of Lake Victoria, which is located at 1,100 meters (3,600 feet) above sea level, belongs to Kenya. Here are the average temperatures of Kisumu.

3- Arid zone

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The north is the driest and hottest area of Kenya, especially the areas located at lower altitudes.
Lake Turkana (or Rudolph) is located at 365 meters (1,200 feet) above sea level; here, the landscape is semi-desert in the southern part and desert in the north, where precipitation drops below 100 mm (4 in) per year.

Lodwar

In this area, the weather is really hot all year round: in Lodwar, the daily average is around 30 °C (86 °F) in almost all months, except in July and August, when it drops to 28/29 °C (82/84 °F).

The rains are sporadic and irregular; however, showers are more likely to happen in the two canonical rainy seasons of Kenya, ie from March to May and from October to December. Here is the average precipitation.

In Lodwar, the sun shines all year round.



In the north-east too, near the border with Ethiopia and Somalia (see Mandera, Wajir), the climate is torrid (that is, very hot and dry), and here too, poor and irregular rains occur during the two periods, from March to May and from October to December.
In this torrid area, July and August are the best months because they are less hot, although not by much.

Tropical cyclones

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Being at the Equator, Kenya is not in the trajectory of tropical cyclones, however, the coast, which lies just south of the equator, especially in the southernmost part (see Malindi, Mombasa), could theoretically be affected, even though this has never happened in the last few decades, probably because the prevailing currents keep them at a distance.
However, the coast can sometimes suffer the effects of a cyclone that passes at some distance, over the Indian Ocean, bringing heavy rains, as happened in April 2016 with Cyclone Fantala, which brought torrential rainfall in Mombasa without reaching the coast.
Cyclones are formed on the Southern Indian Ocean in the period from November to mid-May, but they are more frequently from late December to mid-April.

When to go

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On the coast of Kenya, the best months for a beach holiday are August and September, since they are the coolest, and are also quite sunny and with rare rains. If you want, you can also choose January and February, which are the driest months of the year, but they are also hot and muggy; on the other hand, they are those in which the sea is calmer and clearer, so they are the most suitable for diving.

If you want to visit the arid regions, July and August are the least hot months, although there is no big difference in comparison with the rest of the year: the heat is still intense.

For a safari in national parks and in the highlands, you can choose from two periods: June to September and January-February. In the former period, the risk of showers in the afternoon and evening is higher at high altitudes, in the latter, the chance of intense heat at lower altitudes. However, since in the early hours of the day and at higher altitudes it can be cool throughout the year, it's better to dress in layers.

It is worth while to recall that the equatorial sun is very strong, and it is even stronger at high altitudes; the sun is strongest in the two months when it passes directly overhead at noon, that is, in March and September.

The days last about 12 hours throughout the year, so the sun rises at about 6:00 in the morning and sets at 6:00 p.m., and it's used by the local population as a clock.

The worst period is that of the long rains, from March to May in the interior, and from April to June on the coast, with a peak in April in the interior and May on the coast: it is typically the rainiest and the one with the greatest risk of flooding.

What to pack

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For the plateau, in general, dress in layers with spring/autumn clothes, warmer at higher altitudes, a sun hat and sunscreen; you can also bring a raincoat for showers in rainy periods, which should be lighter in the warm season and at low altitudes. For parks and reserves, neutral-colored clothes, comfortable canvas shoes. When going mountain climbing, bring hiking shoes; for the summit of Mount Kenya, throughout the year, cold weather clothing, a down jacket, a Gore-Tex jacket, a hat, gloves, a scarf, sunglasses, and sunscreen.
When going to the reef, you can bring snorkeling equipment, including water shoes or rubber-soled shoes.

In winter (June to August): for the coast (Malindi, Mombasa) and the Tsavo National Park, bring light clothing, a sweatshirt for the evening, a scarf for the breeze, a light raincoat. For Lake Victoria, Nairobi, the Masai Mara and the plateau at intermediate altitudes, bring light clothes for the day, a sweater and a jacket for the evening, a raincoat or umbrella. For the highlands above 2,000 meters (6,500 feet), spring/autumn clothes; above 3,000 meters (9,800 ft), add a warm jacket and a hat. For the north and Lake Turkana, loose-fitting, light-colored clothing, light, long shirt and pants of natural fibers (cotton, linen), a wide-brimmed hat, sunglasses, a desert turban, and a sun hat.

In summer (December to February): for the coast (Malindi, Mombasa) and the Tsavo National Park, bring light clothing of natural fibers, a light sweatshirt for the evening. For Lake Victoria, light clothing of natural fibers, a sun hat, a light sweatshirt for the evening, and a light raincoat or umbrella. For Nairobi, the Masai Mara and the plateau at intermediate altitudes, light clothes for the day, a jacket and a sweater for the evening. For the highlands above 2,000 meters (6,500 feet), spring/autumn clothes, a raincoat or umbrella; above 3,000 meters (9,800 ft), add a warm jacket and a hat. For the north and Lake Turkana, loose-fitting, light-colored clothing, light, long shirt and pants of natural fibers (cotton, linen), a wide-brimmed hat, sunglasses, a desert turban, and a sun hat.

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