Climate and monthly weather forecast
San Sebastian Salitrillo, El Salvador

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The climate of San Sebastian Salitrillo

San Sebastian Salitrillo, El Salvador is dominated by a tropical wet and dry climate under the Köppen climate classification, known as Aw. This geographical location typically experiences a significant seasonal variation in rainfall while maintaining consistently high temperatures throughout the year.

Looking at climate conditions annually, high temperatures range from 27.9°C (82.2°F) in October to a peak of 33.2°C (91.8°F) in April. Low temperatures also show a mild fluctuation, ranging from a cool 16.3°C (61.3°F) in January to a balmy 20.7°C (69.3°F) in May. It's important to note that despite these fluctuations, the consistent humidity level, which fluctuates between 63% in March to 86% in October, combined with warm temperatures provide a tropical feel to the climate.

Rainfall in San Sebastian Salitrillo differs remarkably throughout the year, with months of abundant rainfall opposed by a considerably drier period. The local climate counts the highest rainfall from May to October, with peaks of 198mm (7.8") in May and 190mm (7.48") in October. Contrarily, the drier months range from January to April with minimum rainfall of 2mm (0.08") in January and 3mm (0.12") in February and a slight increase reaching up to 51mm (2.01") in April.

UV index ranges from 6 throughout the year, except in September, when it mildly decreases to 5. Visibility slightly declines from 10km (6.2mi) in February to March, to 6km (3.7mi) in September, typically due to increased precipitation and humidity. The winds are mild to moderate, varying from 4.2km/h (2.6mph) in September up to 9km/h (5.6mph) in January.

The best time to visit San Sebastian Salitrillo

Taking into consideration the climate parameters, the ideal time to visit San Sebastian Salitrillo would be during the dry season from January to April. The temperatures during these months remain in comfortable high 20s°C to low 30s°C. January, February and March provide optimal conditions for outdoor activities with their pleasant temperatures, lower humidity, ample of sunshine hours, ranging from 7.6 to 10.2, and low rainfall.

The worst time to visit San Sebastian Salitrillo

The wet season, from May through to October, can be challenging for visitors because of higher humidity and frequent rainfall. May seems to be the wettest month with precipitation levels reaching up to 198mm (7.8"). The high humidity during these months, peaking at 86% in October, can make the temperatures feel a lot warmer than they are and potentially unbearable for some.

Spring weather in San Sebastian Salitrillo

Spring, from March to May, brings increased temperatures and rainfall. March experiences highs of 32.4°C (90.3°F) and 9mm (0.35") of rainfall, by May, however, rainfall reaches its peak at 198mm (7.8") while temperatures reach the highest at 33.2°C (91.8°F) in April. Humidity also starts to rise, reaching up to 77% by May.

Summer weather in San Sebastian Salitrillo

The summer months, from June to August, are characterized by similar temperature patterns with highs around 29.2°C (84.6°F) to 30°C (86°F) and lows from 18.9°C (66°F) to 19.6°C (67.3°F). The rainfall stays high throughout the summer, fluctuating between 170mm (6.69") to 142mm (5.59"), contributing to high humidity levels that range from 81% to 84%, making it feel even warmer.

Autumn weather in San Sebastian Salitrillo

Autumn in San Sebastian Salitrillo from September to November is marked by slightly lower temperatures compared to the summer months which range from a high of 27.9°C (82.2°F) to 28.4°C (83.1°F) and lows between 17.2°C (63°F) to 18.9°C (66°F). Rainfall remains high in September and October, reaching up to 141mm (5.55") and 190mm (7.48") respectively, then decreases to 28mm (1.1") in November.

Winter weather in San Sebastian Salitrillo

Winter, from December to February, sees the coolest temperatures with highs from 28°C (82.4°F) to 29.2°C (84.6°F) and lows ranging from 16.3°C (61.3°F) to 17.2°C (63°F). It's the driest part of the year, receiving only 2mm (0.08") to 3mm (0.12") of rainfall, making it a comfortable and popular time to visit.

Weather in January

January in San Sebastian Salitrillo, El Salvador, is characterized by a mild climate with an average high temperature of about 29.2°C (84.6°F) and significantly lower rainfall, standing at only 2mm (0.08"), compared to other months. Weather in January »

Weather in February

Come February, San Sebastian Salitrillo experiences a subtle change in weather conditions with temperatures slightly increasing from the previous month. A highlight for February is the increase in average daylight and sunshine hours, indicating a significant shift towards the anticipation of spring. Weather in February »

Weather in March

March shows a break from the previous drying trend. Precipitation levels start a steady climb reaching an average of 9mm (0.35"), marking the onset of the wet season for San Sebastian Salitrillo, El Salvador. Noticeable alterations in the weather include changes in temperature, humidity, and daylight hours ushering in the onset of warmer days and higher visibility. Weather in March »

Weather in April

San Sebastian Salitrillo weather in April exhibits a significant leap in precipitative characteristics, with average rainfall hoodwinking the readings of the year so far, to reach 51mm (2.01"). Markedly warm temperatures, together with ample sunshine, increasingly instigate lush greenery, granting vibrant colors to the cityscape. Weather in April »

Weather in May

May in San Sebastian Salitrillo is typically the start of the most significant rainfall period, showcasing an upsurge in rainfall to a staggering average of 198mm (7.8"). As the city embraces this pluvial phenomenon, a notable rise in the city's relative humidity is experienced. Weather in May »

Weather in June

Weather characteristics in June revolve around persistent showers, although average rainfall slightly reduces from May levels to 170mm (6.69"), it still signifies a consistent wetter phase for San Sebastian Salitrillo, El Salvador. Weather in June »

Weather in July

A transition from June is evidenced by July's weather conditions, defined by a slight reduction in rainfall averaging 116mm (4.57"), which is indicative of the trailing end of the significant wet season in San Sebastian Salitrillo. Weather in July »

Weather in August

August witnesses a gradual transition from the heavy precipitation pattern experienced in July towards a slight increase from 116mm (4.57") to 142mm (5.59") in San Sebastian Salitrillo. Relative humidity remains consistently high, typical of the season, aiding in the lush green scenic landscapes development. Weather in August »

Weather in September

September brings along almost similar conditions as August, with an insignificant drop in average rainfall, documented at 141mm (5.55"), sustaining the city's appeal as a tropical paradise. Consequently, the city basks in a humid, soothing climate with increased sunshine hours highlighting the vibrancy of the flora. Weather in September »

Weather in October

The weather dynamic of San Sebastian Salitrillo in October reveals the highest rainfall volumes of the year at 190mm (7.48"), indicating a late peak in the wet season. It results in enthralling displays of thunder and lightning piercing through the city's skyline. Weather in October »

Weather in November

November initiates a significant retreat from the heavier rains experienced earlier, with precipitation levels dropping drastically from 190mm (7.48") to 28mm (1.1"). Demonstrating a transitional pattern, San Sebastian Salitrillo experiences considerable changes, including the onset of the cooler and drier season which is welcomed by the city's inhabitants. Weather in November »

Weather in December

December continues the declining trend in precipitation levels, reducing further to an average of 5mm (0.2"), in San Sebastian Salitrillo, marking a definitive conclusion to the wet season. With the lowering humidity levels, a comfortable and agreeable climate ensues, rendering the city ideal for visitors seeking a winter escape. Weather in December »
Updated: Jan 30, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the driest month in San Sebastian Salitrillo?

The month with the least rainfall is January, when the rain falls for 1.9 days and typically collects 2mm (0.08") of precipitation.

How many days does it rain in San Sebastian Salitrillo?

In San Sebastian Salitrillo, El Salvador, during the entire year, the rain falls for 181.4 days and collects up to 1055mm (41.54") of precipitation.

What are the months with the highest UV index in San Sebastian Salitrillo?

The months with the highest UV index in San Sebastian Salitrillo, El Salvador, are January through August, October through December, with an average maximum UV index of 6.

What is the least humid month in San Sebastian Salitrillo?

With an average relative humidity of 63%, March is the least humid month in San Sebastian Salitrillo.

What month is the hottest in San Sebastian Salitrillo?

April, having an average high-temperature of 33.2°C (91.8°F) and an average low-temperature of 20.3°C (68.5°F), is the warmest month in San Sebastian Salitrillo.

What month has the most sunshine in San Sebastian Salitrillo?

The month with the most sunshine is April, with an average of 11.3h of sunshine.

What is the wettest month in San Sebastian Salitrillo?

May is the month with the most rainfall. Rain falls for 23.7 days and accumulates 198mm (7.8") of precipitation.

When are the longest days in San Sebastian Salitrillo?

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

When is the lowest UV index in San Sebastian Salitrillo?

The month with the lowest UV index in San Sebastian Salitrillo is September, with an average maximum UV index of 5.

What time of the year is the coldest in San Sebastian Salitrillo?

October, with its average high-temperature of 27.9°C (82.2°F) and an average low-temperature of 18.5°C (65.3°F), holds the record as the coldest month.

What is the most humid month in San Sebastian Salitrillo?

With an average relative humidity of 86%, October is the most humid month in San Sebastian Salitrillo, El Salvador.

What is the month with the least sunshine in San Sebastian Salitrillo?

The month with the least sunshine is October, with an average of 7.2h of sunshine.

What is the month with the shortest days in San Sebastian Salitrillo?

December has the shortest days of the year, with an average of 11h and 18min of daylight.

Is there Daylight Saving Time (DST) in San Sebastian Salitrillo?

San Sebastian Salitrillo does not observe Daylight Saving Time (DST). CST timezone is used over the entire year.

Average temperature
San Sebastian Salitrillo, El Salvador

Average temperature - San Sebastian Salitrillo, El Salvador

The warmest month (with the highest average high temperature) is April (33.2°C).
The month with the lowest average high temperature is October (27.9°C).

The month with the highest average low temperature is May (20.7°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).

Average pressure
San Sebastian Salitrillo, El Salvador

Average pressure - San Sebastian Salitrillo, El Salvador

The month with the highest atmospheric pressure is January (1014.2mbar).
The months with the lowest atmospheric pressure are May and October (1011.7mbar).

Average wind speed
San Sebastian Salitrillo, El Salvador

Average wind speed - San Sebastian Salitrillo, El Salvador

The windiest month (with the highest average wind speed) is January (9km/h).
The calmest month (with the lowest average wind speed) is September (4.2km/h).

Average humidity
San Sebastian Salitrillo, El Salvador

Average humidity - San Sebastian Salitrillo, El Salvador

The month with the highest relative humidity is October (86%).
The month with the lowest relative humidity is March (63%).

Average rainfall
San Sebastian Salitrillo, El Salvador

Average rainfall - San Sebastian Salitrillo, El Salvador

The wettest month (with the highest rainfall) is May (198mm).
The driest month (with the least rainfall) is January (2mm).

Average rainfall days
San Sebastian Salitrillo, El Salvador

Average rainfall days - San Sebastian Salitrillo, El Salvador

The month with the highest number of rainy days is June (25 days).
The month with the least rainy days is January (1.9 days).

Average daylight / Average sunshine
San Sebastian Salitrillo, El Salvador

Average daylight / Average sunshine - San Sebastian Salitrillo, 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 18min).
The month with the least sunshine is October (Average sunshine: 7h and 12min).

Average sunshine days
San Sebastian Salitrillo, El Salvador

Average sunshine days - San Sebastian Salitrillo, El Salvador

The months with the most sunshine days are January and December (28.5 days).
The month with the least sunshine days is September (3.7 days).

Average UV index
San Sebastian Salitrillo, El Salvador

Average UV index - San Sebastian Salitrillo, El Salvador

The months with the highest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
The month with the lowest UV index is September (UV index 5).

Average cloud cover
San Sebastian Salitrillo, El Salvador

Average cloud cover - San Sebastian Salitrillo, El Salvador

The month with the most cloud cover is September (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 17).

Average visibility
San Sebastian Salitrillo, El Salvador

Average visibility - San Sebastian Salitrillo, El Salvador

The months with the highest visibility are February, March and April (10km).
The month with the lowest visibility is September (6km).

San Sebastian Salitrillo, El Salvador

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