Climate averages 1991–2020
Juliaca weather
in May.
A cool, fairly dry month: the 8th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a cool month in Juliaca: daytime highs average 14.2°C and nights cool to about -0.5°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 22 mm of rain on roughly 5 days, which makes May a fairly dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 24 min on an average May day.
The nearest other city in this atlas is Puno (40 km away). In May its highs average 14.6°C, about as warm as Juliaca, with 20 mm of rain.
Among the 24 cities listed in Peru, Juliaca ranks 23rd of 24 for the warmest May highs and 15th of 24 for the driest May (rainfall, lowest first). The mean May high of those 24 cities is 23.7°C; Juliaca is 9.6°C cooler than that mean.
From May to June, average highs rise by 0.1°C to 14.3°C, and monthly rainfall falls from 22 mm to 7.0 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
Juliaca climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 13.8°C5.0°C | 5.0°C | 193 | 26.3 | 12.913 h |
| February | 13.8°C5.0°C | 5.0°C | 182 | 24.0 | 12.613 h |
| March | 13.7°C4.6°C | 4.6°C | 150 | 25.1 | 12.212 h |
| April | 13.7°C2.7°C | 2.7°C | 75 | 15.7 | 11.812 h |
| May, selected | 14.2°C-0.5°C | -0.5°C | 22 | 5.4 | 11.411 h |
| June | 14.3°C-2.0°C | -2.0°C | 7.0 | 1.7 | 11.211 h |
| July | 14.5°C-2.0°C | -2.0°C | 7.0 | 2.0 | 11.311 h |
| August | 15.4°C-0.8°C | -0.8°C | 18 | 4.8 | 11.612 h |
| September | 15.9°C1.1°C | 1.1°C | 46 | 10.3 | 12.012 h |
| October | 16.0°C2.8°C | 2.8°C | 77 | 14.2 | 12.412 h |
| November | 16.5°C3.9°C | 3.9°C | 76 | 14.1 | 12.813 h |
| December | 15.1°C4.8°C | 4.8°C | 140 | 21.7 | 13.013 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
- Puno in MayPeru · 40 kmHigh 14.6°C · Low 0.7°C · 20 mm rain
- Viacha in MayBolivia · 234 kmHigh 14.1°C · Low 0.2°C · 14 mm rain
- La Paz in MayBolivia · 239 kmHigh 14.1°C · Low 2.4°C · 16 mm rain
- Tacna in MayPeru · 280 kmHigh 21.6°C · Low 15.0°C · 4.1 mm rain
- Cusco in MayPeru · 295 kmHigh 15.3°C · Low 6.5°C · 24 mm rain
- Arica in MayChile · 331 kmHigh 20.1°C · Low 14.9°C · 24 mm rain
- Puerto Maldonado in MayPeru · 339 kmHigh 27.7°C · Low 21.1°C · 88 mm rain
- Abancay in MayPeru · 361 kmHigh 19.4°C · Low 10.1°C · 26 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 Juliaca) is explained once on the Juliaca year overview and on the Sources, method and limits page.