Weather overview
Меру enjoys a mild climate year-round, with temperatures rarely straying far from the comfortable range. The warmest months are March and October, when daytime highs reach 27 °C, while the coolest period falls in July, with nights dipping to 13.4 °C. The city’s elevation softens the heat, making even the warmer months pleasant for exploring.
Rainfall in Меру follows a distinct pattern, with two wet seasons breaking up the year. The long rains arrive in April and November, bringing heavier downpours, while June through September remains dry and sunny. Travelers can expect clear skies and cooler evenings during these months, ideal for outdoor activities.
Temperature
Temperatures in Меру stay moderate, with daytime highs averaging 22–27 °C and nighttime lows around 13–15 °C. The warmest stretch occurs from February to March, when highs peak at 26.7–27 °C, while July is the coolest month, with lows near 13.4 °C. The variation between day and night is noticeable, so layers are useful year-round.
Even during the cooler months, Меру avoids extreme cold, with temperatures rarely dropping below 12.8 °C. The transition from May to June marks a slight dip, but the difference is subtle. For those sensitive to heat, July and August offer the most comfortable conditions, with highs around 22–23 °C and cooler evenings.
| Month | Minimum | Maximum |
|---|---|---|
| January | 12.8 | 25.4 |
| February | 13.2 | 26.7 |
| March | 14.2 | 27 |
| April | 15.1 | 25 |
| May | 14.9 | 23.9 |
| June | 13.7 | 23 |
| July | 13.4 | 22.1 |
| August | 13 | 23.1 |
| September | 14.2 | 25 |
| October | 14.8 | 26.1 |
| November | 14.8 | 24.1 |
| December | 13.5 | 23.7 |
Precipitation
Меру experiences two rainy seasons, with the heaviest rainfall in April (165.5 mm) and November (220.2 mm). These months can bring frequent showers, though they rarely last all day. The dry season, from June to September, sees minimal rain, with June recording just 9.9 mm of precipitation.
Between the wet seasons, Меру enjoys drier spells, particularly in January and February, when rainfall averages 45.6 mm and 36.3 mm, respectively. Even during the rainy months, mornings are often clear, leaving afternoons as the most likely time for showers. Packing a light rain jacket ensures you’re prepared without overburdening your luggage.
| Month | Precipitation |
|---|---|
| January | 45.6 |
| February | 36.3 |
| March | 57.5 |
| April | 165.5 |
| May | 64.1 |
| June | 9.9 |
| July | 19.5 |
| August | 15.3 |
| September | 17.4 |
| October | 57.5 |
| November | 220.2 |
| December | 122 |
What to pack
For visits to Меру during the dry season (June to September), lightweight clothing is ideal, along with a light sweater for cooler evenings. A wide-brimmed hat and sunscreen are useful year-round, as the sun remains strong even on overcast days. Comfortable walking shoes will help you explore the city and its surroundings without discomfort.
If traveling during the rainy seasons (April or November), pack a compact umbrella or a waterproof jacket to stay dry during afternoon showers. Quick-drying fabrics are practical, as humidity can make heavier materials uncomfortable. A scarf or shawl is versatile for cooler mornings or breezy afternoons, regardless of the season.
| Month | Wind speed |
|---|---|
| January | 1.6 |
| February | 1.7 |
| March | 1.8 |
| April | 1.9 |
| May | 3.3 |
| June | 2.9 |
| July | 3.1 |
| August | 2.9 |
| September | 2.9 |
| October | 2.4 |
| November | 1.5 |
| December | 1.2 |