Last updated: April 14, 2025
The climate of El Salvador is characterized by notable temperature variations and distinct wet and dry seasons. During the dry months, temperatures can soar to a high of 40°C (104°F) in March in San Salvador, while cooler temperatures drop to a minimum of 12°C (53°F) in February in Santa Ana. Rainfall is particularly heavy in October, with a staggering maximum of 379 mm (14.9 in) recorded in Usulután, while January sees much less, with only 1 mm (0.0 in) in La Unión. Humidity levels vary throughout the year, peaking at an average maximum of 79% in August in Morazán and dipping to an average minimum of 54% in May in Chalatenango. This diverse climate plays a crucial role in shaping the country's rich ecosystems and agricultural practices.
El Salvador is characterized by a predominantly tropical savanna climate (Aw), offering warm temperatures and distinct wet and dry seasons across its regions. Ahuachapán, Cabañas, Chalatenango, Cuscatlán, La Libertad, La Paz, La Unión, Morazán, San Miguel, San Salvador, San Vicente, Santa Ana, Sonsonate, and Usulután all fall under this climate classification, making the landscape vibrant and lush, especially during the rainy season. Visitors can expect diverse ecosystems and an abundance of flora and fauna, showcasing the rich natural beauty of this Central American gem. For each region's specific climate details, explore the provided links to learn more about Ahuachapán, Cabañas, Chalatenango, Cuscatlán, La Libertad, La Paz, La Unión, Morazán, San Miguel, San Salvador, San Vicente, Santa Ana, Sonsonate, and Usulután.
Climate Zone | Description |
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Aw | Tropical savanna climate with a dry season occurring in winter. |
Throughout the year, El Salvador experiences a diverse range of temperatures, showcasing both the coolness of its highland areas and the warmth typical of its lowlands. In January, the mercury dips to a cool 12°C (54°F) in Chalatenango, while soaring to a scorching 38°C (101°F) in Usulután. As February rolls in, temperatures slightly rise, peaking at 40°C (104°F) in Morazán. This trend of high temperatures persists through the dry months of March and April, where highs remain at 40°C (104°F), showcasing a consistent warmth that contributes to the region's vibrant climate. May introduces a slight dip, but it still holds steady with highs around 39°C (102°F). As the rainy season approaches in June, temperatures begin to moderate a bit, with maximums generally in the high 30s°C. Notably, during the latter half of the year, temperatures remain relatively stable, with minimal fluctuations, particularly in September and October, where they range from 17°C (63°F) to 38°C (100°F). The year concludes with December temperatures dropping to 13°C (56°F) at night, while daytime highs reach 37°C (98°F) in Usulután. Overall, El Salvador’s climate is characterized by warm conditions year-round, punctuated by brief periods of cooler temperatures, particularly in the highlands.
El Salvador experiences marked variability in its precipitation patterns throughout the year. For instance, January presents a stark contrast in rainfall, with La Unión recording a mere 1 mm, setting a dry tone for the month. In stark contrast, October sees Usulután drenched with up to 379 mm, showcasing the intense downpours typical of the wet season. This season peaks in September, when Ahuachapán can experience precipitation on 29 days, highlighting the persistence of rainfall during this month. Conversely, February offers a respite, as Morazán may not record any rainfall at all, emphasizing the seasonal extremes that define El Salvador's climate. Overall, the interplay between dry and wet periods significantly shapes the region's agricultural practices and water management strategies.
El Salvador experiences notable variations in humidity throughout the year, with levels typically ranging from a low of 54% in May in Chalatenango to a high of 79% in August in Morazán. This trend highlights a significant increase during the rainy season, particularly in the late summer months, which can add to the lush landscapes but also influence daily comfort levels. As humidity rises, visitors can expect a more tropical climate, making it essential to prepare for the moisture-laden air that characterizes this vibrant region.
In April, the UV Index (UVI) in El Salvador reveals striking trends, particularly in the western and northern regions. In Sonsonate, the average daily maximum UVI reaches a remarkable 14, while Chalatenango takes it a step further with a peak of 15. These values not only highlight the intensity of solar radiation during this month but also emphasize the importance of sun safety measures. As the warmer months approach, residents and visitors alike should remain vigilant against excessive sun exposure, making thoughtful choices to protect their skin from harmful UV rays.
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El Salvador basks in ample sunshine throughout the year, with notable variations between regions and months. For instance, Chalatenango enjoys 258 hours of bright sunlight in January, while Usulután slightly edges ahead with 264 hours in the same month. As the year progresses, March brings a notable increase, with Chalatenango experiencing a significant leap to 325 hours of sunshine. However, it's in the summer months that the sun shines brightest, as La Unión dazzles with an impressive 332 hours of sunlight in July. This trend highlights not only the country's overall sunny disposition but also the distinct regional variations that can enhance any traveler's experience.
In El Salvador, the likelihood of sunny weather varies significantly across different regions and months. For instance, in June, the coastal city of Sonsonate experiences a mere 13% chance of clear skies, highlighting the wet season's grip on the area. In stark contrast, February sees La Unión basking in sunshine with an impressive 83% probability of sunny days. This stark contrast between the wet season in Sonsonate and the dry, sunny winter in La Unión illustrates the diverse climatic patterns that characterize this beautiful Central American nation.
In El Salvador, particularly in Santa Ana, daylight hours exhibit a noticeable seasonal shift, with an average of 11 hours of sunlight in December compared to 12 hours in June. This subtle increase in daylight during the summer months contributes to the vibrant atmosphere of the region, allowing for extended outdoor activities and exploration. As the year progresses, residents and visitors alike can enjoy slightly longer days, enhancing the experience of the country's natural beauty and cultural richness.
Ahuachapán, El Salvador, boasts a tropical climate characterized by warm temperatures year-round, with averages ranging from a mild 24°C (76°F) in January to a peak of 26°C (78°F) in March and April. The region experiences its heaviest rainfall during the wet season from May to October, with September being particularly soggy, receiving up to 364 mm (14.3 in) of rain. Humidity levels linger between 61% and 79%, adding a muggy feel during the rainy months, especially in July and August. For those seeking to explore the unique weather patterns, detailed insights can be found on the Ahuachapán climate page.
Cabañas, El Salvador, boasts a tropical climate characterized by warm temperatures year-round. From January's cool lows of 14°C (57°F) to February's peak highs of 40°C (103°F), visitors can expect a delightful range of weather. The wettest months are from May to October, where heavy rainfall can reach up to 264 mm (10.4 in) in May, creating a lush landscape. Humidity levels rise significantly during these rainy months, reaching 79% in August, adding to the area's tropical charm. For a detailed look at this vibrant climate, explore Cabañas climate.
Chalatenango, El Salvador, boasts a warm tropical climate characterized by high temperatures throughout the year. January kicks off with cooler mornings around 12°C (54°F) and peaks at a steamy 36°C (97°F) in the afternoons. As the wet season arrives in May, rainfall surges, reaching up to 207 mm (8.2 in) and marking the transition to higher humidity levels. The lush landscape thrives amid this moisture, especially in September, when humidity can rise to 73%. For a closer look at the region's climate patterns, visit Chalatenango climate.
Nestled in the heart of El Salvador, Cuscatlán enjoys a warm tropical climate characterized by a striking temperature range throughout the year. With average highs reaching up to 39°C (102°F) in March and April, the region is known for its intense heat, while cooler months, such as January, bring more comfortable temperatures around 25°C (78°F). Rainfall is pronounced from May to October, with June typically seeing the highest precipitation, around 295 mm (11.6 in), transforming the landscape into a lush green haven. The humidity fluctuates, peaking in the wettest months, creating a vibrant but steamy atmosphere that defines this beautiful area. For more detailed insights, check the full Cuscatlán climate.
La Libertad, El Salvador, experiences a warm tropical climate that delights residents and visitors alike. With temperatures ranging from a mild 14°C (58°F) in January to a sizzling 40°C (104°F) in March, the region boasts an average monthly temperature hovering around 26°C (79°F). However, the rainy season from May to October brings significant precipitation, peaking in September with 273 mm (10.8 in), creating a lush landscape contrasted by the dry months of January and February. Humidity levels are moderate to high, especially in the summer months, ensuring a tropical feel that complements the vibrant culture. For a more detailed look at the weather patterns, explore the complete La Libertad climate information.
Nestled in the heart of El Salvador, La Paz basks in a tropical climate characterized by warm temperatures year-round. With average highs hovering between 26°C (79°F) and 38°C (100°F), visitors can expect balmy days, especially in the peak months of March through May when temperatures soar. However, the lush landscape owes much to its rainy season, which peaks from May to October, delivering significant precipitation and rising humidity levels that can sometimes reach 79%. Despite these tropical showers, La Paz offers a delightful climate, making it an attractive destination for those seeking vibrant culture and natural beauty. Discover more about the city's unique weather by visiting La Paz climate.
La Unión, El Salvador, boasts a warm tropical climate, with average temperatures ranging from 27°C (81°F) to 29°C (84°F) throughout the year. While the dry season from January to March sees minimal rainfall and pleasant temperatures, the wet season kicks in from May to October, bringing heavy downpours—particularly in October, when up to 370 mm (14.6 in) of rain can fall. Humidity levels hover around 59-79%, peaking during the rainy months, adding a tropical feel to the air. Whether basking in the sun or enjoying the refreshing rain, La Unión offers a unique climate experience year-round—discover more about the area's weather at La Unión climate.
Morazán, El Salvador, experiences a tropical climate marked by significant temperature variations throughout the year. With January temperatures ranging from a cool 15°C (60°F) at night to a scorching 37°C (99°F) during the day, the region gradually warms up, peaking in February where highs can reach an impressive 40°C (104°F). The rainy season kicks in around May, bringing substantial precipitation, with June alone witnessing 281 mm (11.1 in) of rain, while humidity levels soar, especially in the summer months. Despite the heavy rains, the temperatures remain fairly consistent, making Morazán an intriguing destination for those willing to embrace its vibrant climate. For more detailed insights, explore the Morazán climate.
San Miguel, El Salvador, is characterized by a warm tropical climate with temperatures that range from a pleasant 16°C (61°F) in January to a sizzling 40°C (104°F) in February. As the year progresses, the humidity rises, particularly during the rainy season from May to October, culminating in a dramatic 378 mm (14.9 in) of rainfall in October. Despite the heavy rains, the charm of San Miguel remains vibrant, with lush landscapes coming alive under the humid air and warm temperatures. For a deeper dive into the climate and its nuances, visit San Miguel climate.
San Salvador boasts a tropical climate characterized by warm temperatures and distinct wet and dry seasons. From January to April, daily highs reach into the upper 30s°C (90s°F), while the humidity stays relatively low, keeping things comfortable. However, as the rainy season kicks in from May through October, precipitation spikes, particularly in June and September, when rainfall can reach 272 mm (10.7 in), and humidity levels soar. This blend of sunshine and occasional downpours creates a vibrant environment, making San Salvador a unique destination year-round. For more detailed information, check out San Salvador climate.
San Vicente, El Salvador, boasts a tropical climate with warm temperatures year-round. January heralds the cool season, where daytime highs reach a pleasant 36°C (98°F), while February and March see temperatures peaking at 39°C (103°F). The region experiences its heaviest rainfall between May and October, with May alone pouring down nearly 311 mm (12.3 in). Humidity levels rise significantly during the wet months, particularly from June through August, making the air feel quite lush. For more details on San Vicente climate, dive into the specifics of this vibrant locale.
Nestled in the heart of El Salvador, Santa Ana boasts a remarkably warm climate, with temperatures ranging from a cool 12°C (54°F) in January to a sweltering 38°C (101°F) during peak summer months. The city experiences a distinct wet season from May to October, where rainfalls can reach impressive heights, peaking in June with around 229 mm (9.0 in). Despite the humidity hovering around 74% in August and September, the city's vibrant atmosphere remains inviting. For those seeking sun and warmth, Santa Ana promises a delightful escape, where the average temperatures remain comfortably mild throughout the year. Discover more about the weather patterns that shape this beautiful destination in Santa Ana climate.
Nestled in the heart of El Salvador, Sonsonate boasts a tropical climate with warm temperatures year-round. With average highs fluctuating between 25°C (77°F) to 37°C (98°F), January and February kick off the year with milder conditions, while the summer months of May through September see substantial rainfall, peaking in June with an impressive 355 mm (14.0 in). Humidity levels rise significantly during this wet season, reaching up to 79% in August, creating a lush, vibrant landscape. For a more detailed look at the annual patterns of sunshine and precipitation, check out the Sonsonate climate.
Nestled along the coast of El Salvador, Usulután boasts a tropical climate characterized by warm temperatures and distinct wet and dry seasons. January through March ushers in milder weather, with averages reaching up to 29°C (85°F), while the heat peaks in April, seeing temperatures soar to 40°C (104°F). The rainy season commences in May, bringing dramatic rainfall that can escalate to over 348 mm (13.7 in) in June, resulting in a humid atmosphere that's palpable—especially during the summer months when humidity can climb to 79%. Despite the downpours, the rainfall nourishes the lush landscape, making it a vibrant tropical paradise. For a detailed overview of the region's weather patterns, visit Usulután climate.
In El Salvador, the climate showcases a striking range of temperatures and precipitation patterns that reflect its diverse geographical landscape. February can see temperatures dip to a cool 12°C (53°F) in Santa Ana, while March can soar to a scorching 40°C (104°F) in San Salvador. This dramatic temperature fluctuation is accompanied by pronounced wet and dry seasons; for instance, January records minimal rainfall of just 1 mm (0.0 in) in La Unión, jumping remarkably to 379 mm (14.9 in) in October in Usulután. Furthermore, humidity levels vary significantly, with averages reaching a low of 54% in May in Chalatenango and peaking at 79% in August in Morazán. Such trends illustrate not only the intensity of the wet season but also the comfortably cooler periods, all contributing to El Salvador’s rich and varied climate tapestry.