Climate and monthly weather forecast
Antiguo Cuscatlán, El Salvador

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The climate of Antiguo Cuscatlán

The climate of Antiguo Cuscatlán, a city in El Salvador, corresponds to the Köppen climate classification's Aw category, also referred to as the Tropical wet and dry or savanna climate. This classification exemplifies a landscape with high temperatures year-round and a distinctive, pronounced dry season.

Throughout the year, temperatures maintain a consistent range from high temperatures averaging between 29°C (84.2°F) and 32.6°C (90.7°F), to low temperatures fluctuating between 19.4°C (66.9°F) and 22.8°C (73°F), indicating relatively limited variation in temperature irrespective of the season. Humidity levels range from 62% to 82% over the year, showing the tropical nature of Antiguo Cuscatlán's climate.

The region sees a significant difference in rainfall throughout the year with a lean period of rainfall from February to April with less than 5mm (0.2") per month, giving way to the wet season where rainfall climbs rapidly to reach a peak of 234mm (9.21") in May. Subsequently, the rainfall remains high, exceeding 100mm (3.94") per month, until October before dipping again in November and December.

Sunshine and daylight hours are reasonably constant, with daylight ranging from 11.3 to 12.9 hours and sunshine hours between 7.7 and 11.4 hours daily. The UV index remains pretty much consistent at a level of 6 or 7 suggesting the need for sun protection throughout the year.

The best time to visit Antiguo Cuscatlán

The best time to visit Antiguo Cuscatlán would arguably be during the drier months, from February to April. During this period, the rainfall is at its lowest, with just 1mm (0.04") to 5mm (0.2") of rainfall per month. While the temperatures are still high — as typical of a tropical climate — ranging from highs of 31.4°C (88.5°F) to 32.6°C (90.7°F) and lows between 20.1°C (68.2°F) to 22.8°C (73°F), the drier conditions make it more comfortable for outdoor activities and sightseeing.

The worst time to visit Antiguo Cuscatlán

The least favorable time to visit Antiguo Cuscatlán is from May to October when the city experiences its wettest months. May is particularly wet with an average rainfall of 234mm (9.21"), and the rainfall remains above 100mm (3.94") per month till October. This period also experiences the highest humidity levels of the year, reaching up to 82% in September, potentially leading to discomfort.

Spring weather in Antiguo Cuscatlán

The spring months of March, April, and May in Antiguo Cuscatlán begin with low rainfall and a gradual increase in temperatures. March and April see a relatively low precipitation of 5mm (0.2"); however, it witnesses a sharp rise to 234mm (9.21") in May. The spring months are characterized by highs moving from 32.6°C (90.7°F) in March to 30.9°C (87.6°F) in May, while the lows inch up from 21.1°C (70°F) to 22.7°C (72.9°F).

Summer weather in Antiguo Cuscatlán

Summer season, stretching from June to August, is classified by consistent high temperatures and heavy rainfall. Rainfall stays above 100mm (3.94"), peaking at 159mm (6.26") in August. Meanwhile, the season is uniformly hot with high temperatures averaging around 30°C (86°F) to 31°C (87.8°F) and lows persisting in the range of 22°C (71.6°F).

Autumn weather in Antiguo Cuscatlán

Autumn in Antiguo Cuscatlán, from September to November, carries forward the rain-soaked trend from the summer. September and October both see rainfall above 140mm (5.51") before it finally recedes in November to 31mm (1.22"). Throughout these months, temperatures begin to slightly drop with highs ranging from 29.8°C (85.6°F) to 29.9°C (85.8°F) and lows from 21.5°C (70.7°F) down to 20°C (68°F).

Winter weather in Antiguo Cuscatlán

The winter season ushers in the driest period of the year in Antiguo Cuscatlán. December and January see a significant decrease in rainfall with just 4mm (0.16") per month. During these two months, the high temperatures linger around 29.9°C (85.8°F) - 30.8°C (87.4°F); meanwhile, the lows decrease marginally from 20°C (68°F) in December down to 19.4°C (66.9°F) in January.

Weather in January

January in Antiguo Cuscatlán witnesses an arrival of the year under tranquil skies with only 13% cloud cover. Fluctuating between 19.4°C (66.9°F) and triumphant highs of 30.6°C (87.1°F), the weather is overall quite pleasant. Weather in January »

Weather in February

Distinct from January, February experiences slightly warmer temperatures accompanied by a minor increase in humidity. With a boost in sunshine hours to an average of 11.7 hours a day, the city basks under an incandescent celestial body. Weather in February »

Weather in March

Breaking into spring, March shows a difference in weather pattern with the mercury rising to reach highs of 32.6°C (90.7°F). The city continues to enjoy an abundance of sunlight, accounting for 12.1 hours per day. There is a slight pick up in rainfall, noting the arrival of spring showers. Weather in March »

Weather in April

April brings a shift in Antiguo Cuscatlán’s climate with considerable rainfall reaching 45mm (1.77"), marking a noticeable ascending trend. The city is swathed in warm temperatures with an average of 32.5°C (90.5°F) during the day. Weather in April »

Weather in May

May sees an escalation of rainfall, reaching a remarkable volume of 234mm (9.21"). The city’s climate takes a tropical turn with humidity levels peaking. Despite the precipitation, there is still a considerable amount of sunshine that peaks around noon. Weather in May »

Weather in June

June with the highest humidity level of 81%, truly ushers in the monsoon season. Nevertheless, temperatures remain steady in the warm zone, providing a balance to the high precipitation. Cloud cover is denser than in the preceding months, reflecting the prevalent rainy conditions. Weather in June »

Weather in July

Rain continues to be a dominant feature of July, making it one of the wettest months in Antiguo Cuscatlán. The meteorological conditions, however, see a slight improvement compared to June, with a decrease in humidity. Temperatures hover around the warm range, mirroring June's pattern. Weather in July »

Weather in August

August remains under the influence of the ongoing rainfall, offering 159mm (6.26") of precipitation. Amid the rainy days, the temperatures stay in the cozy zone, slightly lower than July. Despite the significant rainfall and increased cloud cover, ample sunlight still prevails, lighting up the city for more than half the day. Weather in August »

Weather in September

September in Antiguo Cuscatlán, while still experiencing substantive rainfall, marks the onset of a progressive drop in precipitation. Temperature averages remain slightly cooler compared to the hotter summer months. The city also experiences shorter daylight hours, but still allows plenty of sunshine through. Weather in September »

Weather in October

October continues to present clearer skies in Antiguo Cuscatlán. Even with 207mm (8.15") of rainfall, October experiences a significant reduction from September, signaling an approaching relief from the rainy season. The temperature range stays consistently warm, maintaining the city’s habitual climate. Weather in October »

Weather in November

November brings a marked decrease in rainfall to Antiguo Cuscatlán, recording a significantly low count of only 31mm (1.22"). A subtle dip in temperature sets in, providing a calming transition from the hotter months. With the rainfall receding, the city enjoys cleaner, clearer skies that allow more sunlight to stream through. Weather in November »

Weather in December

December seals the year's end with the driest month, recording only 4mm (0.16") of precipitation for Antiguo Cuscatlán. Along with a halt in rainfall, the city experiences a further drop in temperature, creating a positive variance from the intense heat recorded in the summer months. Weather in December »
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Frequently asked questions

What is the driest month in Antiguo Cuscatlán?

January is the month with the least rainfall. Rain falls for 1.9 days and accumulates 1mm (0.04") of precipitation.

How many days does it rain in Antiguo Cuscatlán?

Throughout the year, there are 187 rainfall days, and 1106mm (43.54") of precipitation is accumulated.

What are the months with the least sunshine in Antiguo Cuscatlán?

The months with the least sunshine in Antiguo Cuscatlán, El Salvador, are January and December, with an average of 7.7h of sunshine.

What is the month with the lowest UV index in Antiguo Cuscatlán?

The months with the lowest UV index are January, May, June, August through December, with an average maximum UV index of 6.

What are the months with the highest UV index in Antiguo Cuscatlán?

February through April and July, with an average maximum UV index of 7, are months with the highest UV index.

What is the warmest month in Antiguo Cuscatlán?

March tends to be the warmest month in Antiguo Cuscatlán, El Salvador, with temperatures averaging a daily high of 32.6°C (90.7°F) and a low of 21.1°C (70°F).

What is the least humid month in Antiguo Cuscatlán?

With an average relative humidity of 62%, March is the least humid month in Antiguo Cuscatlán, El Salvador.

What month has the most sunshine in Antiguo Cuscatlán?

The month with the most sunshine is April, with an average of 11.4h of sunshine.

What is the wettest month in Antiguo Cuscatlán?

May is the month with the most rainfall. Rain falls for 25.5 days and accumulates 234mm (9.21") of precipitation.

When are the longest days in Antiguo Cuscatlán?

June has the longest days of the year in Antiguo Cuscatlán, with an average of 12h and 54min of daylight.

What is the most humid month in Antiguo Cuscatlán?

September and October, with an average relative humidity of 82%, are most humid months in Antiguo Cuscatlán, El Salvador.

What month is the coldest in Antiguo Cuscatlán?

October is the coldest month of the year in Antiguo Cuscatlán, El Salvador, registering average temperatures as high as 29°C (84.2°F) and as low as 20.5°C (68.9°F).

What is the month with the shortest days in Antiguo Cuscatlán?

With an average of 11h and 18min of daylight, December has the shortest days of the year in Antiguo Cuscatlán, El Salvador.

Is there Daylight Saving Time (DST) in Antiguo Cuscatlán?

Antiguo Cuscatlán does not utilize Daylight Saving Time (DST). CST timezone is used over the entire year.

Average temperature
Antiguo Cuscatlán, El Salvador

Average temperature - Antiguo Cuscatlán, El Salvador

The warmest month (with the highest average high temperature) is March (32.6°C).
The month with the lowest average high temperature is October (29°C).

The month with the highest average low temperature is April (22.8°C).
The coldest month (with the lowest average low temperature) is January (19.4°C).

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Average pressure
Antiguo Cuscatlán, El Salvador

Average pressure - Antiguo Cuscatlán, El Salvador

The month with the highest atmospheric pressure is January (1013.5mbar).
The months with the lowest atmospheric pressure are May and October (1011.3mbar).

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Average wind speed
Antiguo Cuscatlán, El Salvador

Average wind speed - Antiguo Cuscatlán, El Salvador

The windiest month (with the highest average wind speed) is January (8.5km/h).
The calmest month (with the lowest average wind speed) is June (4.8km/h).

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Average humidity
Antiguo Cuscatlán, El Salvador

Average humidity - Antiguo Cuscatlán, El Salvador

The months with the highest relative humidity are September and October (82%).
The month with the lowest relative humidity is March (62%).

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Average rainfall
Antiguo Cuscatlán, El Salvador

Average rainfall - Antiguo Cuscatlán, El Salvador

The wettest month (with the highest rainfall) is May (234mm).
The driest month (with the least rainfall) is January (1mm).

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Average rainfall days
Antiguo Cuscatlán, El Salvador

Average rainfall days - Antiguo Cuscatlán, El Salvador

The month with the highest number of rainy days is September (26.3 days).
The month with the least rainy days is January (1.9 days).

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Average daylight / Average sunshine
Antiguo Cuscatlán, El Salvador

Average daylight / Average sunshine - Antiguo Cuscatlán, El Salvador

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).

The month with the most sunshine is April (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 7h and 42min).

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Average sunshine days
Antiguo Cuscatlán, El Salvador

Average sunshine days - Antiguo Cuscatlán, El Salvador

The month with the most sunshine days is January (28.7 days).
The month with the least sunshine days is September (3.2 days).

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Average UV index
Antiguo Cuscatlán, El Salvador

Average UV index - Antiguo Cuscatlán, El Salvador

The months with the highest UV index are February, March, April and July (UV index 7).
The months with the lowest UV index are January, May, June, August, September, October, November and December (UV index 6).

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Average cloud cover
Antiguo Cuscatlán, El Salvador

Average cloud cover - Antiguo Cuscatlán, El Salvador

The months with the most cloud cover are June, September and October (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 13).

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Average visibility
Antiguo Cuscatlán, El Salvador

Average visibility - Antiguo Cuscatlán, El Salvador

The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are September and October (8km).

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Antiguo Cuscatlán, El Salvador

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