The most comfortable time to visit Arequipa is from December to early June, and again from mid September to early November. For walking, any time of year works. 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 Arequipa is for: the Sunbathing rating tops out at 3, mostly because it is too cool. The clearest skies come in August, when the sky is typically 12% covered at midday (almost cloudless).
The being outside season here runs from December to early June, with a second spell from mid September to early November. It peaks in early April, at 72. The weakest stretch is in August, when it drops to 46, mostly because it is too cold.
For walking, Arequipa rates Good or better all year. It is at its best in late September, at 88.
The year, measured
The average temperature in Arequipa over the whole year is 15°C. May is the hottest month, with highs of about 21°C; August is the coldest, with lows of about 10°C. The rainy (wet) season in Arequipa runs from December to April, peaking in February with a 42% chance of rain on a given day. The dry season is May to June; June is the driest month, at 9%. Winds in Arequipa are highest in August, averaging 3.2 m/s (12 km/h), and lightest in March, at 2.7 m/s (10 km/h). The prevailing wind is from the W. The clearest skies in Arequipa come in August, when the sky is typically 12% covered; February is the cloudiest month, at 66%.
Month by month Arequipa 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 | 19°C | 13°C | 15°C | 36% | 59% | 2.8 m/s | 60 | 2 | 86 |
| February | 19°C | 13°C | 15°C | 42% | 66% | 2.8 m/s | 62 | 3 | 84 |
| March | 19°C | 12°C | 16°C | 35% | 56% | 2.7 m/s | 68 | 2 | 85 |
| April | 20°C | 12°C | 16°C | 26% | 33% | 2.8 m/s | 68 | 1 | 86 |
| May | 21°C | 11°C | 15°C | 15% | 24% | 2.8 m/s | 66 | 0 | 87 |
| June | 20°C | 11°C | 14°C | 9% | 20% | 3.0 m/s | 55 | 0 | 87 |
| July | 20°C | 10°C | 14°C | 26% | 17% | 3.0 m/s | 51 | 0 | 87 |
| August | 20°C | 10°C | 14°C | 17% | 12% | 3.2 m/s | 48 | 0 | 87 |
| September | 21°C | 11°C | 15°C | 30% | 23% | 3.1 m/s | 58 | 0 | 88 |
| October | 21°C | 12°C | 15°C | 10% | 30% | 3.1 m/s | 58 | 0 | 87 |
| November | 20°C | 12°C | 15°C | 19% | 33% | 2.9 m/s | 52 | 0 | 87 |
| December | 20°C | 13°C | 15°C | 37% | 47% | 2.9 m/s | 61 | 1 | 86 |
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 Arequipa weather by season
Year round, Arequipa has days of about 19°C at their warmest in February, its coolest month, and 21°C in May, its warmest; the coolest hours of the day run from 10°C to 13°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around February and least likely around June. 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.
Arequipa weather in winterJune to August
Winter in Arequipa has typical daily highs of about 20°C and lows of about 10°C, with a 17% chance of rain on a given day.
Arequipa weather in springSeptember to November
Spring in Arequipa has typical daily highs of about 21°C and lows of about 12°C, with a 20% chance of rain on a given day.
Arequipa weather in summerDecember to February
Summer in Arequipa has typical daily highs of about 19°C and lows of about 13°C, with a 39% chance of rain on a given day.
Arequipa weather in autumnMarch to May
Autumn in Arequipa has typical daily highs of about 20°C and lows of about 12°C, with a 25% chance of rain on a given day.
When is the rainy season in Arequipa?
The rainy (wet) season in Arequipa runs from December to April, peaking in February with a 42% chance of rain on a given day. The dry season is May to June; June is the driest month, at 9%.
What time of year is Arequipa windiest?
Winds in Arequipa are highest in August, averaging 3.2 m/s (12 km/h), and lightest in March, at 2.7 m/s (10 km/h). The prevailing wind is from the W.
What is the average temperature in Arequipa year round?
The average temperature in Arequipa over the whole year is 15°C. May is the hottest month, with highs of about 21°C; August is the coldest, with lows of about 10°C.
Where to go instead in mid August, the weakest time here for being outside
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.