Climate Overview
The climate in Arjona is hot. The average annual temperature is 28°C and approximately 1294mm of precipitation falls per year. October is the wettest month, receiving around 204mm of rainfall. Arjona is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: February, March, January. The coldest months are January, November, December, when temperatures can drop to 25°C.
Temperature
Arjona has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is February, when average highs reach 33°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 25°C and an average of 28°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.
Precipitation
Arjona is a fairly wet location, receiving approximately 1294mm of precipitation annually, which averages out to around 108mm per month. The wettest month is October, averaging 204mm of rainfall. November and June also tend to see above-average precipitation. The driest month is February, with just 3mm. That's 201mm less than October, 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
Arjona 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 February, averaging 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10km/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 21km/h in winter, 19km/h in spring, 15km/h in summer, 14km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Arjona, which began on March 20, 2026. Arjona 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 February at around 33°C, while the coldest stretch bottoms out in January near 25°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 26 to 32°C. Precipitation is moderate at around 224mm for the season, averaging 75mm per month. Winds are moderate at around 19km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 31°C. Rainfall is heavy, totalling around 480mm across the season with a monthly average of 160mm. Winds are generally light, averaging 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 30°C. Rainfall is heavy, totalling around 546mm across the season with a monthly average of 182mm. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 33°C. Precipitation is minimal, with only around 44mm for the entire season. Winds are moderate at around 21km/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 Arjona 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.