Nairobi is comfortable to be outside in almost any month: it rates Good or better for all year of the year. For walking, go from May to September. Sunbathing weather is not what it offers.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
Sun is not what Nairobi is for: the Sunbathing rating tops out at 34, mostly because it is too cool. The clearest skies come in February, when the sky is typically 53% covered at midday (partly cloudy).
There is no bad time here for being outside: it rates Good or better in every part of the year. It is at its best in early June, at 89.
For walking, go from May to September, with a second spell from late October to January. It peaks in mid July, at 84. Avoid early March for this: it falls to 42, mostly because it is too warm.
The year, measured
The average temperature in Nairobi over the whole year is 19°C. February is the hottest month, with highs of about 25°C; July is the coldest, with lows of about 14°C. The rainy (wet) season in Nairobi runs from September to June, peaking in April with a 68% chance of rain on a given day. The dry season is July to August; July is the driest month, at 23%. Winds in Nairobi are highest in February, averaging 3.3 m/s (12 km/h), and lightest in June, at 1.9 m/s (7 km/h). The prevailing wind is from the E. The clearest skies in Nairobi come in February, when the sky is typically 50% covered; July is the cloudiest month, at 76%.
Month by month Nairobi climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 24°C | 16°C | 22°C | 67% | 57% | 2.9 m/s | 87 | 17 | 59 |
| February | 25°C | 16°C | 23°C | 58% | 50% | 3.3 m/s | 87 | 25 | 52 |
| March | 25°C | 17°C | 23°C | 56% | 59% | 3.2 m/s | 86 | 30 | 47 |
| April | 24°C | 17°C | 23°C | 68% | 73% | 2.5 m/s | 87 | 23 | 51 |
| May | 22°C | 16°C | 22°C | 58% | 76% | 2.0 m/s | 88 | 14 | 61 |
| June | 21°C | 14°C | 20°C | 46% | 75% | 1.9 m/s | 88 | 5 | 76 |
| July | 20°C | 14°C | 19°C | 23% | 76% | 2.0 m/s | 86 | 2 | 82 |
| August | 21°C | 14°C | 19°C | 33% | 74% | 2.1 m/s | 87 | 5 | 79 |
| September | 23°C | 15°C | 21°C | 47% | 70% | 2.3 m/s | 88 | 13 | 65 |
| October | 24°C | 16°C | 22°C | 61% | 67% | 2.9 m/s | 88 | 20 | 55 |
| November | 23°C | 16°C | 21°C | 64% | 74% | 3.1 m/s | 86 | 11 | 63 |
| December | 23°C | 16°C | 21°C | 65% | 66% | 3.1 m/s | 87 | 10 | 66 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Nairobi weather by season
Year round, Nairobi has days of about 20°C at their warmest in July, its coolest month, and 25°C in February, its warmest; the coolest hours of the day run from 14°C to 17°C through the year, and the average temperature over the year is 19°C around the clock. Rain is most likely around April and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Nairobi weather in winterJune to August
Winter in Nairobi has typical daily highs of about 21°C and lows of about 14°C, with a 34% chance of rain on a given day.
Nairobi weather in springSeptember to November
Spring in Nairobi has typical daily highs of about 23°C and lows of about 16°C, with a 57% chance of rain on a given day.
Nairobi weather in summerDecember to February
Summer in Nairobi has typical daily highs of about 24°C and lows of about 16°C, with a 63% chance of rain on a given day.
Nairobi weather in autumnMarch to May
Autumn in Nairobi has typical daily highs of about 24°C and lows of about 16°C, with a 60% chance of rain on a given day.
When is the rainy season in Nairobi?
The rainy (wet) season in Nairobi runs from September to June, peaking in April with a 68% chance of rain on a given day. The dry season is July to August; July is the driest month, at 23%.
What time of year is Nairobi windiest?
Winds in Nairobi are highest in February, averaging 3.3 m/s (12 km/h), and lightest in June, at 1.9 m/s (7 km/h). The prevailing wind is from the E.
What is the average temperature in Nairobi year round?
The average temperature in Nairobi over the whole year is 19°C. February is the hottest month, with highs of about 25°C; July is the coldest, with lows of about 14°C.
Where to go instead in early March, the weakest time here for walking
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.