April Weather in San Salvador, El Salvador

Last updated: August 21, 2025

April in San Salvador, El Salvador is characterized by warm temperatures and notable humidity. With maximum highs reaching a sweltering 38°C (100°F) and an average of 27°C (81°F), visitors should prepare for the heat. The month also experiences cooler nights, with lows dropping to 19°C (67°F). Precipitation is fairly frequent, as 59 mm (2.3 in) of rain falls over approximately 12 days, contributing to the region's lush landscape. With a humidity level of 59%, the weather remains quite comfortable for those who enjoy vibrant tropical climates, making April an inviting time to explore the beauty of San Salvador.

April Temperature in San Salvador

In April, temperatures in San Salvador continue to rise, marking a clear transition into warmer months. The minimum temperature nudges up to 19°C (67°F), while the average remains steady at 27°C (81°F), consistent with the previous months. Notably, the maximum temperature reaches 38°C (100°F), tying with the hottest peaks observed in February and March. This warmth is reflective of April’s typical climate, which sets the stage for the upcoming rainy season. As the month progresses, visitors can expect a harmonious blend of warmth and vibrant local culture, making it an appealing time to explore El Salvador's beauty.

April Weather in San Salvador: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in San Salvador, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Salvador, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec777981818078808078787877
Data source: Temperature data for San Salvador generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in San Salvador

April marks a notable transition in San Salvador's climate, as precipitation surges to 59 mm (2.3 in), signaling the onset of the wet season. This increase is dramatic compared to the preceding months, which recorded only light rainfall—3 mm in January, 4 mm in February, and 5 mm in March. As the rainy season kicks off, April experiences about 12 days of rainfall, laying the groundwork for the deluge that follows in May, when precipitation skyrockets to 269 mm (10.6 in) over 26 days. This upward trend highlights the steady escalation of rain, paving the way for a lush landscape, but also underscores the dramatic shift from the dry spell of early months.

April Precipitation Trends in San Salvador

The chart displays monthly precipitation patterns in San Salvador, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In San Salvador, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec34559269292157252301272587
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in San Salvador

In April, San Salvador experiences a humidity level of 59%, which marks a continuation of the trend observed in March and May. This slight consistency indicates a relatively dry period for the region, especially when compared to the more humid months that follow. Notably, the humidity begins to rise significantly in June, peaking during the summer months of July and August, when it reaches a high of 79%. Overall, April serves as a transitional month, bridging the drier early months of the year with the more humid, lush conditions that characterize the latter half.

April Average Humidity in San Salvador

This chart illustrates the average monthly humidity levels in San Salvador, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in San Salvador is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%62%59%59%59%68%78%79%77%77%75%67%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in San Salvador

Throughout April, the UV Index in San Salvador remains notably high, peaking at 14, which is categorized as extreme. This level aligns with the trends observed since January, where the UV Index has steadily increased from 11 to its current state, consistently maintaining a burn time of only 10 minutes for unprotected skin. As the month progresses, April’s UV intensity signals the importance of taking precautions, especially as it mirrors the UV levels of the preceding months. For those navigating the sun-soaked streets of San Salvador, understanding these trends is crucial for sun safety. Learn more about the monthly UV Index and how to protect yourself by visiting San Salvador UV Index.

Maximum UV Index Levels in San Salvador for April

The chart shows the monthly maximum UV Index (UVI) for San Salvador in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in San Salvador typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131313109
Data source: San Salvador April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in San Salvador

San Salvador basks in a delightful array of sunshine throughout the year, with April showcasing an impressive 319 hours of sunlight. This month maintains a vibrant trend set by the previous few, particularly March with its peak of 328 hours. As the rainy season approaches in May, the sun's embrace begins to soften slightly, but not before April offers a robust farewell to spring, fitting snugly between the radiant peaks in July and March. Interestingly, June brings a decrease to 284 hours, which contrasts with the brighter months that precede it, signaling the onset of the wet season. Overall, April stands as a testament to San Salvador’s sunny disposition, making it an ideal time to enjoy the city’s natural beauty before the rains sweep in.

Monthly Sunshine Duration in San Salvador: April Highlighted

The April sunshine duration represents the total number of hours San Salvador experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec263h292h328h319h313h284h328h313h299h290h308h326h
Data source: San Salvador April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Salvador During April

April in San Salvador brings a noticeable shift in sunny weather, with a 41% chance of sunshine, making it one of the month’s least favorable times for clear skies compared to the earlier months of the year. This decline follows a trio of relatively bright months—68% in January, 77% in February, and 70% in March—indicating a transition from the dry season into the wetter months ahead. As the rains begin to set in, the likelihood of sunny days drops further in May to 35%, heralding the arrival of the rainy season. While April may not boast the same sunny allure as its predecessors, it still offers a glimpse of the vibrant landscape that flourishes under the sun before the clouds gather.

Percentage of Sunny Days in April in San Salvador

The chart illustrates the percentage of sunny days in San Salvador throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often San Salvador experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec68%77%70%41%35%14%31%15%23%31%57%72%
Data source: San Salvador April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Salvador in April

In April, San Salvador enjoys a delightful 12 hours of daylight, a continuation of the trend set in March and leading into the consistent daylight hours of the upcoming months. With the warmth of spring, the days in April reflect a gradual increase from the shorter days of January and February, which both offer just 11 hours of light. This harmonious balance of daylight persists until October, when it reduces back to 11 hours. As the seasons shift, April stands out as a time of bright opportunities and vibrant activities under the sun, perfectly aligning with the natural rhythms of this beautiful Central American city.

Average Daylight Hours in San Salvador for April

The chart illustrates the variation in daylight duration in San Salvador throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 24m11h 41m12h 3m12h 26m12h 45m12h 54m12h 49m12h 32m12h 10m11h 47m11h 28m11h 19m
Data source: San Salvador daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in San Salvador

April in San Salvador marks a gentle transition in wind patterns, with average speeds dipping to 1.9 m/s (4 mph). This subtle decline from the earlier months follows a consistent trend, as the region experiences its lightest breezes of the year. Following the breezier start of the year, where January and November both boast winds around 2.3 m/s (5 mph), April's mellow gusts hint at the approach of the warmer, quieter months ahead. As the city moves into May and June, average wind speeds continue to lessen, reaching their calmest point at 1.2 m/s (3 mph) in June. This trend invites a serene atmosphere, perfect for enjoying the vibrant beauty of San Salvador in spring.

Average April Wind Speed in San Salvador

The chart displays monthly wind speed patterns in San Salvador, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.22.21.9 m/s1.41.21.51.31.21.32.42.0
Data source: San Salvador April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in San Salvador Compares to Other Months

Weather in San Salvador varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in San Salvador, focusing on differences in temperature, rainfall, humidity, and UV levels.

April generally experiences warmer weather compared to January, with average temperatures reaching 27°C (81°F) and maximums soaring up to 38°C (100°F). In contrast, January has a slightly cooler average temperature of 25°C (78°F) and a maximum of 36°C (96°F). Additionally, April sees significantly more rainfall, with 59 mm (2.3 in) over 12 days, while January remains largely dry, receiving only 3 mm (0.1 in) with no rainy days. Both months have similar humidity levels, with April at 59% and January at 63%. For more detailed insights on January weather, you can visit San Salvador weather in January.

April's weather is generally warmer than February's, with an average temperature of 27°C (81°F) compared to February's 26°C (79°F). Both months can reach similar maximum temperatures, around 38°C (100°F) to 101°F, but February offers a much drier experience, receiving only 4 mm (0.2 in) of precipitation over zero rainy days, while April experiences 59 mm (2.3 in) of rainfall over 12 days. The humidity in April is slightly lower at 59%, making it feel a bit more comfortable than February, which has a humidity level of 62%. For a more detailed look at February's climate, you can visit San Salvador weather in February.

April's weather shows a slight increase in temperature compared to March, with minimum temperatures rising to 19°C (67°F) and maximums reaching up to 38°C (100°F), while March recorded minimums of 17°C (64°F) and maximums of 37°C (99°F). Despite having the same average temperature of 27°C (81°F), April experiences significantly more rainfall, accumulating 59 mm (2.3 in) over 12 days, contrasting sharply with March's dry conditions of only 5 mm (0.2 in) across just 1 day. Both months maintain a consistent humidity level of 59%, but April's increased precipitation and higher maximum temperatures mark a notable shift in weather. For a detailed look at March weather, check out San Salvador weather in March.

April and May in San Salvador exhibit similar average temperatures, both hovering around 27°C (81°F). However, May tends to be slightly warmer, with a minimum temperature of 20°C (69°F) compared to April's 19°C (67°F). The most notable difference lies in precipitation; April receives 59 mm (2.3 in) over 12 days, while May experiences a significant increase in rain, totaling 269 mm (10.6 in) over 26 days. Both months share the same humidity level of 59%, but May's frequent rainfall makes it feel much wetter. For more details, you can check San Salvador weather in May.

April and June present distinct weather patterns in the region. In April, temperatures range from a minimum of 19°C (67°F) to a maximum of 38°C (100°F), with an average of 27°C (81°F), and the month experiences moderate rainfall of 59 mm (2.3 in) over 12 days, accompanied by a humidity level of 59%. In contrast, June sees slightly higher minimum temperatures at 21°C (69°F) and a lower average temperature of 26°C (79°F), but it is characterized by significantly increased precipitation, totaling 292 mm (11.5 in) over 27 days and higher humidity at 68%. For more detailed information, refer to San Salvador weather in June.

April typically sees warmer temperatures than July, with a minimum of 19°C (67°F) compared to July's minimum of 21°C (69°F). However, July experiences a slightly lower average temperature of 27°C (80°F) versus April's 27°C (81°F), while the maximum temperatures drop to 35°C (96°F) in July from 38°C (100°F) in April. Precipitation is significantly higher in July, with 157 mm (6.2 in) of rainfall over 21 days, compared to just 59 mm (2.3 in) over 12 days in April. Additionally, humidity levels in July are elevated at 77%, compared to 59% in April, making July feel more humid and wet. For more details, you can check San Salvador weather in July.

April and August present distinct contrasts in weather patterns. In April, temperatures range from a minimum of 19°C (67°F) to a maximum of 38°C (100°F), with an average of 27°C (81°F) and relatively low precipitation of 59 mm (2.3 in) over 12 days. The humidity in April is moderate at 59%. In contrast, August sees slightly warmer minimum temperatures at 20°C (69°F), but the average drops to 26°C (80°F) with a maximum of 35°C (95°F). However, August experiences significantly higher precipitation at 252 mm (9.9 in) over 25 days, accompanied by increased humidity levels at 79%. For a more detailed look at August weather, you can visit San Salvador weather in August.

In April, the weather tends to be hot and dry, with temperatures ranging from a minimum of 19°C (67°F) to a scorching maximum of 38°C (100°F), and an average temperature of 27°C (81°F). The month sees relatively low precipitation of 59 mm (2.3 in) over about 12 days and humidity levels at 59%.

In contrast, September experiences much cooler temperatures, with a minimum of 20°C (69°F), an average of 26°C (79°F), and a maximum of 34°C (93°F). However, this month is defined by significantly higher rainfall, totaling 301 mm (11.9 in) spread over 29 days, contributing to increased humidity levels at 77%. For more specific details about the weather during this month, you can check San Salvador weather in September.

April and October present distinct contrasts in weather patterns. In April, temperatures range from a minimum of 19°C (67°F) to a maximum of 38°C (100°F), with an average of 27°C (81°F). Despite the warmth, the month receives 59 mm (2.3 in) of precipitation over approximately 12 days, with humidity averaging around 59%. In contrast, October experiences slightly cooler temperatures, with a minimum of 20°C (67°F) and a maximum of 34°C (93°F), averaging 25°C (78°F). However, it is significantly wetter, receiving 272 mm (10.7 in) of rainfall spread over 28 days and higher humidity levels at 77%. For more detailed information about the weather in October, you can visit San Salvador weather in October.

April and November present distinct weather characteristics in terms of temperature and humidity. In April, temperatures range from a minimum of 19°C (67°F) to a maximum of 38°C (100°F), with an average of 27°C (81°F). The month sees about 59 mm (2.3 in) of rainfall spread over 12 days, coupled with a humidity level of 59%. In contrast, November features slightly cooler temperatures, with a minimum of 18°C (64°F) and a maximum of 34°C (94°F), averaging 25°C (78°F). The precipitation remains comparable at 58 mm (2.3 in), but it occurs over only 9 days, and humidity levels increase to 75%. For further details, you can check San Salvador weather in November.

April and December offer contrasting weather experiences. In April, temperatures range from a minimum of 19°C (67°F) to a scorching maximum of 38°C (100°F), with an average of 27°C (81°F). Additionally, April tends to be more humid, with 12 rainy days contributing to a total precipitation of 59 mm (2.3 in) and a humidity level of 59%. On the other hand, December is cooler, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 35°C (95°F) and an average of 25°C (78°F). The month is much drier, featuring only 1 rainy day and a total precipitation of just 7 mm (0.3 in), despite slightly higher humidity at 66%. For more detailed weather information, check out San Salvador weather in December.

Compare San Salvador's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in San Salvador

April in San Salvador ushers in a distinct transition characterized by warmer temperatures and a noticeable increase in humidity compared to the preceding months. With an average high that frequently reaches into the upper 30s°C, residents and visitors can expect sun-drenched days perfect for exploring the vibrant city and its surroundings. However, April also brings a hint of the upcoming rainy season, as it typically sees several days of precipitation, contributing to a dynamic climate. This blend of warmth and moisture sets April apart as a month where the lush landscape begins to flourish, making it a unique time to experience the beauty of the region. For a deeper understanding of what to expect throughout the year, be sure to check out the detailed insights available in the San Salvador Climate resource.