Lima is comfortable to be outside in almost any month: it rates Good or better for about eleven and a half months of the year. For sun, aim for late January to March; for walking, go from May to mid December.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
The sun season here runs from late January to March. It peaks in early March, at 73. The weakest stretch is from late May to November, when it drops to 0, mostly because it is too cool. The clearest skies come in March, when the sky is typically 40% covered at midday (partly cloudy).
For being outside, Lima rates Good or better for 34 of the year’s 36 ten-day sections, about eleven and a half months in all. It is at its best in mid November, at 90.
The walking season here runs from May to mid December. It peaks in early September, at 87. The weakest stretch is from mid February to mid March, when it drops to 13, mostly because it is too warm.
The year, measured
The average temperature in Lima over the whole year is 20°C. February is the hottest month, with highs of about 26°C; August is the coldest, with lows of about 15°C. The rainy (wet) season in Lima runs from December to April, peaking in February with a 21% chance of rain on a given day. The dry season is May to September; July is the driest month, at 1%. Winds in Lima are highest in December, averaging 4.3 m/s (15 km/h), and lightest in June, at 3.3 m/s (12 km/h). The prevailing wind is from the SW. The clearest skies in Lima come in April, when the sky is typically 54% covered; August is the cloudiest month, at 95%.
Month by month Lima 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 | 25°C | 20°C | 24°C | 14% | 66% | 4.2 m/s | 77 | 48 | 33 |
| February | 26°C | 21°C | 26°C | 21% | 63% | 4.0 m/s | 56 | 67 | 16 |
| March | 26°C | 21°C | 26°C | 14% | 56% | 3.7 m/s | 62 | 69 | 18 |
| April | 24°C | 19°C | 23°C | 17% | 54% | 3.7 m/s | 82 | 40 | 42 |
| May | 21°C | 17°C | 20°C | 5% | 77% | 3.4 m/s | 88 | 8 | 73 |
| June | 19°C | 17°C | 18°C | 3% | 93% | 3.3 m/s | 85 | 1 | 85 |
| July | 19°C | 16°C | 17°C | 1% | 94% | 3.4 m/s | 81 | 0 | 86 |
| August | 18°C | 15°C | 17°C | 1% | 95% | 3.6 m/s | 77 | 1 | 87 |
| September | 19°C | 15°C | 17°C | 6% | 93% | 3.7 m/s | 80 | 0 | 87 |
| October | 20°C | 16°C | 18°C | 11% | 85% | 3.9 m/s | 85 | 0 | 86 |
| November | 21°C | 17°C | 20°C | 8% | 78% | 4.1 m/s | 89 | 2 | 80 |
| December | 23°C | 19°C | 22°C | 12% | 70% | 4.3 m/s | 89 | 17 | 58 |
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 Lima weather by season
Year round, Lima has days of about 18°C at their warmest in August, its coolest month, and 26°C in February, its warmest; the coolest hours of the day run from 15°C to 21°C through the year, and the average temperature over the year is 20°C around the clock. Rain is most likely around February 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.
Lima weather in winterJune to August
Winter in Lima has typical daily highs of about 19°C and lows of about 16°C, with a 2% chance of rain on a given day.
Lima weather in springSeptember to November
Spring in Lima has typical daily highs of about 20°C and lows of about 16°C, with a 8% chance of rain on a given day.
Lima weather in summerDecember to February
Summer in Lima has typical daily highs of about 24°C and lows of about 20°C, with a 15% chance of rain on a given day.
Lima weather in autumnMarch to May
Autumn in Lima has typical daily highs of about 23°C and lows of about 19°C, with a 12% chance of rain on a given day.
When is the rainy season in Lima?
The rainy (wet) season in Lima runs from December to April, peaking in February with a 21% chance of rain on a given day. The dry season is May to September; July is the driest month, at 1%.
What time of year is Lima windiest?
Winds in Lima are highest in December, averaging 4.3 m/s (15 km/h), and lightest in June, at 3.3 m/s (12 km/h). The prevailing wind is from the SW.
What is the average temperature in Lima year round?
The average temperature in Lima over the whole year is 20°C. February is the hottest month, with highs of about 26°C; August is the coldest, with lows of about 15°C.
Where to go instead in mid February, 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.