Climate Insights for Nueva Helvecia

The climate in Nueva Helvecia is temperate. The average annual temperature is 17°C and approximately 938mm of precipitation falls per year. Nueva Helvecia receives a notable amount of rainfall throughout the year, including during its driest month. Nueva Helvecia 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: January, February, December. The coldest months are July, June, August, when temperatures can drop to 7°C.

Temperatures in Nueva Helvecia vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 30°C and the mean temperature sits around 24°C. July is the coolest month, with minimum temperatures around 7°C and an average of 11°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.

Nueva Helvecia is a moderately rainy area, receiving approximately 938mm of precipitation annually, which averages out to around 78mm per month. The wettest month is March, averaging 106mm of rainfall. February and April also tend to see above-average precipitation. The driest month is June, with just 49mm. That's 58mm less than March, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Nueva Helvecia is mildly breezy, with an average annual wind speed of 20km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently autumn in Nueva Helvecia, which began on March 20, 2026. Nueva Helvecia is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in January at around 30°C, while the coldest stretch bottoms out in July near 7°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Nueva Helvecia is during January, February, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 86mm per month. By contrast, July can be quite cold with temperatures dropping to 7°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Nueva Helvecia 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. 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.