Climate Insights for Juliaca
San Román, Puno, Peru
Climate Overview
The climate in Juliaca is cool. The average annual temperature is 9°C and approximately 1,084 mm of precipitation falls per year. February is the wettest month, receiving around 212 mm of rainfall. Juliaca is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: November, September, October. The coldest months are June, July, August, when temperatures can drop to -2°C. Light snow can occur between January and November.The climate in Juliaca is cool. The average annual temperature is 49°F and approximately 42.7 in of precipitation falls per year. February is the wettest month, receiving around 8.4 in of rainfall. Juliaca is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: November, September, October. The coldest months are June, July, August, when temperatures can drop to 28°F. Light snow can occur between January and November.
Temperature
Temperatures in Juliaca vary considerably across the year, with a 21°C difference between the coldest and warmest months. November is the warmest month, though highs remain moderate at 19°C with a mean of 12°C. The coldest month is June, when overnight lows fall to -2°C and the daily average is 7°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs.Temperatures in Juliaca vary considerably across the year, with a 38°F difference between the coldest and warmest months. November is the warmest month, though highs remain moderate at 66°F with a mean of 53°F. The coldest month is June, when overnight lows fall to 28°F and the daily average is 45°F. On average, daily temperatures fluctuate by about 26°F between overnight lows and afternoon highs.
Precipitation
Juliaca is a moderately rainy area, receiving approximately 1,084 mm of precipitation annually, which averages out to around 90 mm per month. The wettest month is February, averaging 212 mm of rainfall. March and January also tend to see above-average precipitation. The driest month is June, with just 6 mm. That's 206 mm less than February, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between January and November, totalling around 12cm annually. September is the snowiest month with approximately 3cm.Juliaca is a moderately rainy area, receiving approximately 42.7 in of precipitation annually, which averages out to around 3.5 in per month. The wettest month is February, averaging 8.3 in of rainfall. March and January also tend to see above-average precipitation. The driest month is June, with just 0.2 in. That's 8.1 in less than February, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between January and November, totalling around 5in annually. September is the snowiest month with approximately 1in.
Wind
Juliaca is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.Juliaca is relatively calm, with an average annual wind speed of 4mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is August, averaging 5mph, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2mph gap between the calmest and windiest months.
Monthly Climate Data
The table below shows monthly climate averages for Juliaca based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Juliaca based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.