Climate averages 1991–2020
Cusco weather
in January.
A mild, very wet month: the joint 6th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a mild month in Cusco: daytime highs average 15.4°C and nights cool to about 8.2°C. By daytime temperature it is the joint 6th warmest of the 12 months.
Expect about 229 mm of rain on roughly 29 days, which makes January a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 49 min on an average January day.
The nearest other city in this atlas is Abancay (100 km away). In January its highs average 19.9°C, 4.4°C warmer than Cusco, with 215 mm of rain.
Among the 24 cities listed in Peru, Cusco ranks 21st of 24 for the warmest January highs and 19th of 24 for the driest January (rainfall, lowest first). The mean January high of those 24 cities is 25.1°C; Cusco is 9.7°C cooler than that mean.
From January to February, average highs fall by 0.1°C to 15.4°C, and monthly rainfall falls from 229 mm to 215 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Abancay in JanuaryPeru · 100 kmHigh 19.9°C · Low 12.4°C · 215 mm rain
- Juliaca in JanuaryPeru · 295 kmHigh 13.8°C · Low 5.0°C · 193 mm rain
- Puerto Maldonado in JanuaryPeru · 318 kmHigh 29.3°C · Low 23.0°C · 369 mm rain
- Puno in JanuaryPeru · 331 kmHigh 14.1°C · Low 6.0°C · 224 mm rain
- Huancayo in JanuaryPeru · 387 kmHigh 13.8°C · Low 6.1°C · 243 mm rain
- Ica in JanuaryPeru · 411 kmHigh 29.1°C · Low 20.3°C · 24 mm rain
- Chincha Alta in JanuaryPeru · 451 kmHigh 25.8°C · Low 20.3°C · 7.0 mm rain
- Viacha in JanuaryBolivia · 525 kmHigh 13.8°C · Low 4.5°C · 143 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.