Lamu in Summer
In summer (December, January and February), Lamu sees average daytime highs around 28°C and overnight lows near 26°C, with 41 mm of rain over about 9 wet days across the season. It is the 2nd-warmest season and the driest season of the year.
Across summer, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 62% of the time across summer, and the air most often feels oppressive.
Summer is Lamu's best season of the year to visit on our travel score. Lamu has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Lamu's year-round climate.
- Avg daytime high
- 28°C
- 2nd-warmest season
- Avg overnight low
- 26°C
- Rainfall
- 41 mm
- 9 wet days
- Avg wind
- 20 km/h
- Travel score
- 7.3
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Lamu in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Lamu reaches about 28°C and drops to 26°C overnight. The warmest of the three months is December, the coolest January.
How summer really feels in Lamu
Once humidity and wind are folded in, summer brings about 20 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Lamu 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 26° | 12 | 1.4 | 12.1 | 7.7 |
| Feb | 28° / 26° | 2 | 0.4 | 12.1 | 7.7 |
| Mar | 29° / 27° | 17 | 4.9 | 12 | 6.6 |
| Apr | 29° / 27° | 116 | 20.9 | 12 | 4.4 |
| May | 28° / 26° | 226 | 24.1 | 11.9 | 4.5 |
| Jun | 27° / 25° | 84 | 17.8 | 11.9 | 5.4 |
| Jul | 26° / 24° | 57 | 14.9 | 11.9 | 5.9 |
| Aug | 26° / 24° | 36 | 12.2 | 11.9 | 6.6 |
| Sep | 26° / 25° | 34 | 10.3 | 12 | 7.0 |
| Oct | 27° / 25° | 65 | 12.8 | 12.1 | 6.4 |
| Nov | 28° / 26° | 58 | 13 | 12.1 | 6.1 |
| Dec | 28° / 26° | 28 | 6.7 | 12.1 | 6.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 62% of the time across summer.
Chance of precipitation in Summer
Lamu gets around 41 mm of rain over 9 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 20 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 06 min in early December to 12 hours by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.3 kWh/m².
Hazard calendar for Lamu
None of Lamu's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Lamu's monsoon runs April–May, when most of the year's rain falls.
Is summer a good time to visit Lamu?
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.
summer is one of the better times to visit Lamu for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Lamu in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Lamu sees daytime highs around 28°C and nights near 26°C. Pack light clothes and sun protection. Worth having: a windbreaker. About 9 days see rain.
Sea temperature near Lamu in Summer
The nearest coast averages about 27°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in April at about 29°C and coldest in August near 25°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 28 | 29 | 28 | 27 | 26 | 25 | 26 | 27 | 28 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 28 | Tropical |
| Apr | 29 | Tropical |
| May | 28 | Warm |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 25 | Warm |
| Sep | 26 | Warm |
| Oct | 27 | Warm |
| Nov | 28 | Warm |
| Dec | 28 | Warm |
UV index in Lamu in Summer
Clear-sky midday UV across summer averages 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 Lamu peaks around March 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 14 | 15 | 15 | 11 | 10 | 10 | 11 | 13 | 13 | 13 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 15 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
Air quality in Lamu in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Lamu is worst in January — around 17 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (October, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 17 | 15 | 12 | 6 | 9 | 11 | 11 | 9 | 8 | 6 | 6 | 13 |
| Level | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 15 | Moderate |
| Mar | 12 | Moderate |
| Apr | 6 | Good |
| May | 9 | Good |
| Jun | 11 | Good |
| Jul | 11 | Good |
| Aug | 9 | Good |
| Sep | 8 | Good |
| Oct | 6 | Good |
| Nov | 6 | Good |
| Dec | 13 | Moderate |
Where is Lamu?
Lamu sits at 2.3°S, 40.9°E, 14 m above sea level, in Kenya. The nearest listed city is Masalani, 104 km away.
Topography around Lamu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lamu.
Within 3 km, the terrain around Lamu has only modest variations in elevation — a maximum elevation change of 51 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 72 m; within 80 km, only modest variations in elevation — a maximum elevation change of 143 m.
The land around Lamu is covered by grassland (31%), water (27%) and shrubs (24%) within 3 km, water (52%) within 16 km, and water (38%) and trees (29%) within 80 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
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 Lamu (-2.2717°, 40.902°, elevation 14 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.