Climate Insights for Arinos

The climate in Arinos is temperate. The average annual temperature is 15°C and approximately 226mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Arinos 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: May, April, June. The coldest months are January, February, March, when temperatures can drop to -10°C. Snowfall occurs from January to March, with around 79cm accumulating over the season.

Arinos has a wide annual temperature range, spanning 38°C from the coldest to warmest months. The warmest month is May, when average highs reach 28°C and the mean temperature sits around 24°C. The coldest month is January, when overnight lows fall to -10°C and the daily average is -7°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between January and February, with a 12°C shift in average temperatures.

Arinos is a quite dry location, receiving approximately 226mm of precipitation annually, which averages out to around 19mm per month. The wettest month is January, averaging 33mm of rainfall. February and March also tend to see above-average precipitation. The driest month is June, with just 0mm. That's 33mm less than January, 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. Snowfall is a regular feature from January to March, with around 79cm accumulating over the season. January typically sees the most snow at around 33cm.

Arinos is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 4km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

It is currently winter in Arinos, which began on June 21, 2026. Arinos 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 May at around 28°C, while the coldest stretch bottoms out in January near -10°C. Spring is next, beginning on September 23, 2026 (16 days from now).

The best time to visit Arinos is during April, May, June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 14mm per month. By contrast, January can be quite cold with temperatures dropping to -10°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Arinos 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.