Climate averages 1991–2020

Puno weather
in May.

A cool, fairly dry month: the 8th warmest and the joint 3rd driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 14.6°C Daytime mean, May
Average low 0.7°C Night-time mean, May
Rainfall 20 mm 6 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Puno · average highYear overview

May is a cool month in Puno: daytime highs average 14.6°C and nights cool to about 0.7°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 20 mm of rain on roughly 6 days, which makes May a fairly dry month (the joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 23 min on an average May day.

The nearest other city in this atlas is Juliaca (40 km away). In May its highs average 14.2°C, about as warm as Puno, with 22 mm of rain.

Among the 24 cities listed in Peru, Puno ranks 22nd of 24 for the warmest May highs and 14th of 24 for the driest May (rainfall, lowest first). The mean May high of those 24 cities is 23.7°C; Puno is 9.1°C cooler than that mean.

From May to June, average highs rise by 0.1°C to 14.7°C, and monthly rainfall falls from 20 mm to 7.7 mm.

The annual picture

May in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -505101520 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Puno climate table

1991–2020
Monthly climate averages for Puno, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 14.1°C6.0°C6.0°C22427.613.013 h
February 14.2°C6.0°C6.0°C20725.212.613 h
March 14.0°C5.6°C5.6°C17426.112.212 h
April 14.0°C3.7°C3.7°C7917.211.812 h
May, selected 14.6°C0.7°C0.7°C205.611.411 h
June 14.7°C-0.6°C-0.6°C7.72.211.211 h
July 14.7°C-0.8°C-0.8°C8.72.811.311 h
August 15.3°C0.4°C0.4°C205.211.612 h
September 15.8°C2.2°C2.2°C5111.412.012 h
October 16.0°C3.9°C3.9°C8115.912.412 h
November 16.6°C4.9°C4.9°C8516.112.813 h
December 15.2°C5.8°C5.8°C15623.513.013 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

Distance from Puno

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 limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Puno) is explained once on the Puno year overview and on the Sources, method and limits page.