Climate Overview
The climate in Jaén is warm and mild. The average annual temperature is 19°C and approximately 1187mm of precipitation falls per year. March is the wettest month, receiving around 187mm of rainfall. Jaén sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Jaén sees moderate temperature variation throughout the year, ranging from 14°C to 26°C. The warmest month is October, when average highs reach 26°C and the mean temperature sits around 20°C. July is the coolest month, with minimum temperatures around 14°C and an average of 17°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Jaén is a moderately rainy area, receiving approximately 1187mm of precipitation annually, which averages out to around 99mm per month. The wettest month is March, averaging 187mm of rainfall. February and January also tend to see above-average precipitation. The driest month is September, with just 26mm. That's 160mm less than March, 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
Jaén is relatively calm, with an average annual wind speed of 7km/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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
89 days until Winter
It is currently autumn in Jaén, which began on March 20, 2026. Jaén sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in October at around 26°C, while the coldest stretch bottoms out in July near 14°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 15 to 26°C. Precipitation is moderate at around 216mm for the season, averaging 72mm per month. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 16 to 24°C. Rainfall is heavy, totalling around 465mm across the season with a monthly average of 155mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 15 to 24°C. Rainfall is heavy, totalling around 384mm across the season with a monthly average of 128mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 14 to 23°C. Rainfall is relatively light, with around 123mm over the season and a monthly average of 41mm. Winds are generally light, averaging 8km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Jaén is during May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 49mm per month. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Jaén 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.
