Climate averages 1991–2020
Cusco weather
in May.
A mild, fairly dry month: the joint 9th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Cusco: daytime highs average 15.3°C and nights cool to about 6.5°C. By daytime temperature it is the joint 9th warmest of the 12 months.
Expect about 24 mm of rain on roughly 8 days, which makes May a fairly dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 30 min on an average May day.
The nearest other city in this atlas is Abancay (100 km away). In May its highs average 19.4°C, 4.1°C warmer than Cusco, with 26 mm of rain.
Among the 24 cities listed in Peru, Cusco ranks 21st of 24 for the warmest May highs and 16th of 24 for the driest May (rainfall, lowest first). The mean May high of those 24 cities is 23.7°C; Cusco is 8.5°C cooler than that mean.
From May to June, average highs fall by 0.3°C to 15.0°C, and monthly rainfall falls from 24 mm to 11 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Cusco climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.4°C8.2°C | 8.2°C | 229 | 28.8 | 12.813 h |
| February | 15.4°C8.3°C | 8.3°C | 215 | 26.3 | 12.513 h |
| March | 15.4°C8.1°C | 8.1°C | 169 | 27.4 | 12.212 h |
| April | 15.3°C7.4°C | 7.4°C | 76 | 18.6 | 11.812 h |
| May, selected | 15.3°C6.5°C | 6.5°C | 24 | 8.1 | 11.511 h |
| June | 15.0°C5.4°C | 5.4°C | 11 | 3.3 | 11.311 h |
| July | 15.0°C4.9°C | 4.9°C | 11 | 3.1 | 11.411 h |
| August | 15.7°C5.4°C | 5.4°C | 22 | 6.5 | 11.712 h |
| September | 16.2°C6.6°C | 6.6°C | 37 | 13.1 | 12.012 h |
| October | 16.5°C7.7°C | 7.7°C | 84 | 20.3 | 12.412 h |
| November | 16.6°C8.3°C | 8.3°C | 116 | 22.8 | 12.713 h |
| December | 15.9°C8.4°C | 8.4°C | 196 | 27.6 | 12.913 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Abancay in MayPeru · 100 kmHigh 19.4°C · Low 10.1°C · 26 mm rain
- Juliaca in MayPeru · 295 kmHigh 14.2°C · Low -0.5°C · 22 mm rain
- Puerto Maldonado in MayPeru · 318 kmHigh 27.7°C · Low 21.1°C · 88 mm rain
- Puno in MayPeru · 331 kmHigh 14.6°C · Low 0.7°C · 20 mm rain
- Huancayo in MayPeru · 387 kmHigh 13.6°C · Low 4.5°C · 53 mm rain
- Ica in MayPeru · 411 kmHigh 27.2°C · Low 18.0°C · 0.2 mm rain
- Chincha Alta in MayPeru · 451 kmHigh 24.2°C · Low 18.3°C · 0.2 mm rain
- Viacha in MayBolivia · 525 kmHigh 14.1°C · Low 0.2°C · 14 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cusco) is explained once on the Cusco year overview and on the Sources, method and limits page.