Climate and monthly weather forecastOpico, El Salvador
Climate and monthly weather forecast
Weather in January
January in Opico, El Salvador, is a hot winter month, with an average temperature fluctuating between 19.4°C (66.9°F) and 30.6°C (87.1°F). With the start of January, Opico measures an average high-temperature of a tropical 30.6°C (87.1°F), not significantly differing from December's 29.9°C (85.8°F). Weather in January »Weather in February
February, the last month of the winter in Opico, is also a hot month, with an average temperature fluctuating between 20.1°C (68.2°F) and 31.4°C (88.5°F). February's onset records an average high-temperature of a still hot 31.4°C (88.5°F), a near match to January's 30.6°C (87.1°F). Weather in February »Weather in March
March, the first month of the spring in Opico, is still a tropical month, with an average temperature ranging between min 21.1°C (70°F) and max 32.6°C (90.7°F). The warmest period is March, when temperatures fluctuate between an average high of 32.6°C (90.7°F) and a low of 21.1°C (70°F). The heat index value for March is appraised at a fiery hot 39°C (102.2°F). Weather in March »Weather in April
April, the same as March, in Opico, El Salvador, is another tropical spring month, with temperature in the range of an average high of 32.5°C (90.5°F) and an average low of 22.8°C (73°F). The ushering in of April brings an average high-temperature of a still tropical 32.5°C (90.5°F), closely mirroring the 32.6°C (90.7°F) of March. Weather in April »Weather in May
May, the last month of the spring in Opico, is another hot month, with an average temperature varying between 30.9°C (87.6°F) and 22.7°C (72.9°F). May's average high-temperature stands at a still tropical 30.9°C (87.6°F), showing little deviation from April's 32.5°C (90.5°F). Weather in May »Weather in June
June, the first month of the summer in Opico, is also a moderately hot month, with an average temperature fluctuating between 29.9°C (85.8°F) and 22°C (71.6°F). On the advent of June, Opico's average high-temperature exhibits a minor adjustment to a moderately hot 29.9°C (85.8°F) from May's 30.9°C (87.6°F). Weather in June »Weather in July
July is a hot summer month in Opico, El Salvador, with an average temperature varying between 31°C (87.8°F) and 21.9°C (71.4°F). The commencement of July introduces an average high-temperature of a tropical 31°C (87.8°F), closely mirroring the preceding month. Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Opico, El Salvador, with an average temperature fluctuating between 21.6°C (70.9°F) and 30.8°C (87.4°F). The weather during August records an average high-temperature of a still tropical 30.8°C (87.4°F), closely mirroring the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Opico, El Salvador, with temperature in the range of an average low of 21.5°C (70.7°F) and an average high of 29.8°C (85.6°F). September's arrival brings an average high-temperature of a warm 29.8°C (85.6°F), demonstrating subtle variation from the preceding month. Weather in September »Weather in October
October, the same as September, is another warm autumn month in Opico, El Salvador, with an average temperature varying between 29°C (84.2°F) and 20.5°C (68.9°F). The coldest period tends to be October, when average temperatures fluctuate between a high of 29°C (84.2°F) and a low of 20.5°C (68.9°F). October's heat index is appraised at a torrid 35°C (95°F). Weather in October »Weather in November
The last month of the autumn, November, is another warm month in Opico, El Salvador, with an average temperature ranging between min 20°C (68°F) and max 29.9°C (85.8°F). November brings a marginal elevation to a still warm 29.9°C (85.8°F) from October's 29°C (84.2°F) in Opico's average high-temperatures. Weather in November »Weather in December
The first month of the winter, December, is also a moderately hot month in Opico, El Salvador, with an average temperature varying between 19.5°C (67.1°F) and 29.9°C (85.8°F). The dawn of December registers an average high temperature of a still moderately hot 29.9°C (85.8°F), nearly the same as the a warm 29.9°C (85.8°F) observed in November. Weather in December »Updated: Jan 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The month with the least rainfall in Opico, El Salvador, is January, when the rain falls for 1.9 days and typically collects 1mm (0.04") of precipitation.
Throughout the year, in Opico, El Salvador, there are 187 rainfall days, and 1106mm (43.54") of precipitation is accumulated.
January and December, with an average of 7.7h of sunshine, are months with the least sunshine.
The months with the lowest UV index in Opico are January, May, June, August through December, with an average maximum UV index of 6.
February through April and July, with an average maximum UV index of 7, are months with the highest UV index.
March, with its high-temperature average of 32.6°C (90.7°F) and a low-temperature average of 21.1°C (70°F), is the warmest month in Opico.
The least humid month in Opico, El Salvador, is March, with an average relative humidity of 62%.
April has the most sunshine of the year in Opico, with an average of 11.4h of sunshine.
The month with the most rainfall in Opico is May, when the rain falls for 25.5 days and typically aggregates up to 234mm (9.21") of precipitation.
With an average of 12h and 54min of daylight, June has the longest days of the year in Opico, El Salvador.
The months with the highest humidity are September and October, with an average relative humidity of 82%.
October, having an average high-temperature of 29°C (84.2°F) and an average low-temperature of 20.5°C (68.9°F), is the coldest month in Opico.
December has the shortest days of the year in Opico, El Salvador, with an average of 11h and 18min of daylight.
Opico does not observe Daylight Saving Time (DST). CST timezone is used over the entire year.
Average temperature
Opico, 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).
Average pressure
Opico, El Salvador
- Average pressure in January:
1013.5mbar - Average pressure in February:
1012.9mbar - Average pressure in March:
1012.6mbar - Average pressure in April:
1011.6mbar - Average pressure in May:
1011.3mbar - Average pressure in June:
1011.5mbar
- Average pressure in July:
1012.2mbar - Average pressure in August:
1011.8mbar - Average pressure in September:
1011.4mbar - Average pressure in October:
1011.3mbar - Average pressure in November:
1012.3mbar - Average pressure in December:
1013mbar
The month with the highest atmospheric pressure is January (1013.5mbar).
The months with the lowest atmospheric pressure are May and October (1011.3mbar).
Average wind speed
Opico, El Salvador
- Average wind speed in January:
8.5km/h - Average wind speed in February:
7.4km/h - Average wind speed in March:
7.1km/h - Average wind speed in April:
5.9km/h - Average wind speed in May:
5.1km/h - Average wind speed in June:
4.8km/h
- Average wind speed in July:
5.3km/h - Average wind speed in August:
5.1km/h - Average wind speed in September:
4.9km/h - Average wind speed in October:
5.6km/h - Average wind speed in November:
7.2km/h - Average wind speed in December:
7.9km/h
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).
Average humidity
Opico, El Salvador
The months with the highest relative humidity are September and October (82%).
The month with the lowest relative humidity is March (62%).
Average rainfall
Opico, El Salvador
The wettest month (with the highest rainfall) is May (234mm).
The driest month (with the least rainfall) is January (1mm).
Average rainfall days
Opico, El Salvador
- Average rainfall days in January:
1.9 days - Average rainfall days in February:
2.8 days - Average rainfall days in March:
6.1 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
25.5 days - Average rainfall days in June:
25.1 days
- Average rainfall days in July:
23.8 days - Average rainfall days in August:
24.2 days - Average rainfall days in September:
26.3 days - Average rainfall days in October:
22.8 days - Average rainfall days in November:
11 days - Average rainfall days in December:
2.3 days
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).
Average daylight / Average sunshine
Opico, El Salvador
- Average daylight in January:
11h and 24min - Average daylight in February:
11h and 42min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 30min - Average daylight in May:
12h and 48min - Average daylight in June:
12h and 54min
- Average daylight in July:
12h and 54min - Average daylight in August:
12h and 36min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 30min - Average daylight in December:
11h and 18min
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).
- Average sunshine in January:
7h and 42min - Average sunshine in February:
9h and 12min - Average sunshine in March:
10h and 30min - Average sunshine in April:
11h and 24min - Average sunshine in May:
10h and 48min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
11h and 6min - Average sunshine in August:
11h and 0min - Average sunshine in September:
9h and 18min - Average sunshine in October:
8h and 30min - Average sunshine in November:
8h and 54min - Average sunshine in December:
7h and 42min
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).
Average sunshine days
Opico, El Salvador
- Average sunshine days in January:
28.7 days - Average sunshine days in February:
24.2 days - Average sunshine days in March:
23.8 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
4.5 days - Average sunshine days in June:
4.1 days
- Average sunshine days in July:
5.6 days - Average sunshine days in August:
5.4 days - Average sunshine days in September:
3.2 days - Average sunshine days in October:
7 days - Average sunshine days in November:
18 days - Average sunshine days in December:
28.5 days
The month with the most sunshine days is January (28.7 days).
The month with the least sunshine days is September (3.2 days).
Average UV index
Opico, 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).
Average cloud cover
Opico, 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).
Average visibility
Opico, 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).
