Climate Insights for Castamay

The climate in Castamay is hot. The average annual temperature is 27°C and approximately 776mm of precipitation falls per year. June is the wettest month, receiving around 177mm of rainfall. Castamay is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, July. The coldest months are January, February, December, when temperatures can drop to 20°C.

Castamay sees moderate temperature variation throughout the year, ranging from 20°C to 35°C. The warmest month is May, when average highs reach 35°C and the mean temperature sits around 30°C. January is the coolest month, with minimum temperatures around 20°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between February and March, with a 2°C shift in average temperatures.

Castamay is a relatively dry area, receiving approximately 776mm of precipitation annually, which averages out to around 65mm per month. The wettest month is June, averaging 177mm of rainfall. September and August also tend to see above-average precipitation. The driest month is February, with just 10mm. That's 168mm less than June, 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.

Castamay 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 April, averaging 20km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months.

It is currently spring in Castamay, which began on March 20, 2026. Castamay is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in May at around 35°C, while the coldest stretch bottoms out in January near 20°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Castamay is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 18mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 35°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Castamay 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.