Climate Insights for Geiro

The climate in Geiro is warm and mild. The average annual temperature is 21°C and approximately 598mm of precipitation falls per year. January is the wettest month, receiving around 139mm of rainfall. Geiro sits near the equator, so seasonal temperature differences are minimal throughout the year.

Geiro sees moderate temperature variation throughout the year, ranging from 13°C to 28°C. The warmest month is November, when average highs reach 28°C and the mean temperature sits around 22°C. July is the coolest month, with minimum temperatures around 13°C and an average of 18°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.

Geiro is a relatively dry area, receiving approximately 598mm of precipitation annually, which averages out to around 50mm per month. The wettest month is January, averaging 139mm of rainfall. March and April also tend to see above-average precipitation. The driest month is August, with just 2mm. That's 137mm 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.

Geiro is mildly breezy, with an average annual wind speed of 17km/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 20km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in January, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 19km/h in winter, 19km/h in spring, 13km/h in summer, 16km/h in autumn.

It is currently autumn in Geiro, which began on March 20, 2026. Geiro sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in November at around 28°C, while the coldest stretch bottoms out in July near 13°C. Winter is next, beginning on June 21, 2026 — 90 days from now.

The best time to visit Geiro is during February, March, 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 21°C with modest rainfall averaging 42mm per month. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Geiro 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.