Climate Overview
The climate in Arraiján is hot. The average annual temperature is 27°C and approximately 2283mm of precipitation falls per year. July is the wettest month, receiving around 339mm of rainfall. Arraiján sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Arraiján has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is April, when average highs reach 30°C and the mean temperature sits around 27°C. February is the coolest month, with minimum temperatures around 25°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.
Precipitation
Arraiján is a very wet location, receiving approximately 2283mm of precipitation annually, which averages out to around 190mm per month. The wettest month is July, averaging 339mm of rainfall. June and August also tend to see above-average precipitation. The driest month is February, with just 17mm. That's 321mm less than July, 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.
Wind
Arraiján is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 8km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 14km/h in winter, 11km/h in spring, 8km/h in summer, 8km/h in autumn.
Seasons
87 days until Winter
It is currently autumn in Arraiján, which began on September 23, 2026. Arraiján sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in April at around 30°C, while the coldest stretch bottoms out in February near 25°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 381mm across the season with a monthly average of 127mm. Winds are generally light, averaging 11km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 915mm across the season with a monthly average of 305mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 810mm across the season with a monthly average of 270mm. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 30°C. Precipitation is moderate at around 177mm for the season, averaging 59mm per month. Winds are generally light, averaging 14km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Arraiján 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.
