Climate and monthly weather forecastSan Simon, El Salvador
Climate and monthly weather forecast
Weather in January
January, like December, is another tropical winter month in San Simon, El Salvador, with an average temperature ranging between max 31.4°C (88.5°F) and min 18.3°C (64.9°F). The onset of January manifests an average high-temperature of a still hot 31.4°C (88.5°F), demonstrating a minor variation from the preceding month. Weather in January »Weather in February
February, the last month of the winter in San Simon, is another tropical month, with an average temperature ranging between min 18.6°C (65.5°F) and max 33.2°C (91.8°F). As February unfolds, the average high-temperature reaches a still hot 33.2°C (91.8°F), hinting at a slight fluctuation from the previous month. Weather in February »Weather in March
March, the first month of the spring in San Simon, is still a tropical month, with an average temperature ranging between min 19.4°C (66.9°F) and max 34.8°C (94.6°F). As San Simon welcomes March, the average high-temperature stabilizes at a still tropical 34.8°C (94.6°F), showing little deviation from February's 33.2°C (91.8°F). Weather in March »Weather in April
April is a fiery hot spring month in San Simon, El Salvador, with an average temperature fluctuating between 21.8°C (71.2°F) and 35°C (95°F). San Simon's temperatures tend to reach their peak averages in April, with a high of 35°C (95°F) and a low of 21.8°C (71.2°F). April's average heat index is calculated to be a life-threatening hot 46°C (114.8°F). Weather in April »Weather in May
May, the last month of the spring in San Simon, is also a hot month, with an average temperature ranging between min 21.9°C (71.4°F) and max 32.9°C (91.2°F). San Simon's transition from April to May introduces an average high-temperature of a tropical 32.9°C (91.2°F), marking an insignificant variation from the 35°C (95°F). Weather in May »Weather in June
June, the first month of the summer in San Simon, is still a tropical month, with an average temperature fluctuating between 20.5°C (68.9°F) and 31.1°C (88°F). The average high-temperature during June registers at a still hot 31.1°C (88°F), maintaining a close resemblance to the previous month. Weather in June »Weather in July
July, the same as June, in San Simon, El Salvador, is another tropical summer month, with temperature in the range of an average high of 32.4°C (90.3°F) and an average low of 20.1°C (68.2°F). San Simon, El Salvador, measures an average high-temperature of a still tropical 32.4°C (90.3°F) in July, nearly consistent with the preceding month. Weather in July »Weather in August
The last month of the summer, August, is also a hot month in San Simon, El Salvador, with an average temperature fluctuating between 32.3°C (90.1°F) and 20.2°C (68.4°F). Stepping into August, San Simon records an average high-temperature of a still hot 32.3°C (90.1°F), almost consistent with July. Weather in August »Weather in September
September, the first month of the autumn in San Simon, is still a tropical month, with an average temperature ranging between max 31.3°C (88.3°F) and min 19.8°C (67.6°F). With the transition into September, San Simon notes an average high-temperature of a still tropical 31.3°C (88.3°F), closely resembling August. Weather in September »Weather in October
October, the same as September, is another warm autumn month in San Simon, El Salvador, with an average temperature varying between 19.5°C (67.1°F) and 29.9°C (85.8°F). October, with average temperatures reaching a high of 29.9°C (85.8°F) and a low of 19.5°C (67.1°F), is the coldest month. Throughout October, the heat index is calculated to be a very hot 38°C (100.4°F). Weather in October »Weather in November
November, the last month of the autumn in San Simon, is a tropical month, with temperature in the range of an average high of 30.3°C (86.5°F) and an average low of 18.6°C (65.5°F). San Simon starts November with an average high-temperature of a hot 30.3°C (86.5°F), a minor shift from October's 29.9°C (85.8°F). Weather in November »Weather in December
The first month of the winter, December, is still a tropical month in San Simon, El Salvador, with an average temperature fluctuating between 17.8°C (64°F) and 30.6°C (87.1°F). December's average high-temperature stands at a still tropical 30.6°C (87.1°F), showing little deviation from November's 30.3°C (86.5°F). Weather in December »Updated: Jan 30, 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
January is the month with the least rainfall in San Simon. Rain falls for 1.6 days and accumulates 1mm (0.04") of precipitation.
In San Simon, during the entire year, the rain falls for 188.1 days and collects up to 832mm (32.76") of precipitation.
January through August, October through December are months without snowfall in San Simon, El Salvador.
Throughout the year, in San Simon, 1mm (0.04") of snow is accumulated.
January and December, with an average of 7.7h of sunshine, are months with the least sunshine in San Simon, El Salvador.
The months with the lowest UV index 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 in San Simon.
With an average relative humidity of 56%, March is the least humid month in San Simon.
San Simon experiences its highest temperatures in April, with an average peak of 35°C (95°F) and a low of 21.8°C (71.2°F).
April has the most sunshine of the year, with an average of 11.6h of sunshine.
The month with the most rainfall is May, when the rain falls for 24.4 days and typically aggregates up to 150mm (5.91") of precipitation.
The month with the longest days is June, with an average of 12h and 54min of daylight.
September is the only month when snow falls in San Simon.
September is the month with the most snowfall. Snow falls for 0.1 days and accumulates 1mm (0.04") of snow.
October is the coldest month in San Simon, El Salvador, with the temperature often reaching an average high of 29.9°C (85.8°F) and an average low of 19.5°C (67.1°F).
With an average relative humidity of 82%, October is the most humid month in San Simon.
With an average of 11h and 18min of daylight, December has the shortest days of the year.
San Simon, El Salvador, does not utilize Daylight Saving Time (DST). CST timezone is used over the entire year.
Average temperature
San Simon, El Salvador
The warmest month (with the highest average high temperature) is April (35°C).
The month with the lowest average high temperature is October (29.9°C).
The month with the highest average low temperature is May (21.9°C).
The coldest month (with the lowest average low temperature) is December (17.8°C).
Average pressure
San Simon, El Salvador
- Average pressure in January:
1014mbar - Average pressure in February:
1013.3mbar - Average pressure in March:
1013mbar - Average pressure in April:
1011.9mbar - Average pressure in May:
1011.6mbar - Average pressure in June:
1011.8mbar
- Average pressure in July:
1012.6mbar - Average pressure in August:
1012.1mbar - Average pressure in September:
1011.7mbar - Average pressure in October:
1011.6mbar - Average pressure in November:
1012.7mbar - Average pressure in December:
1013.4mbar
The month with the highest atmospheric pressure is January (1014mbar).
The months with the lowest atmospheric pressure are May and October (1011.6mbar).
Average wind speed
San Simon, El Salvador
- Average wind speed in January:
7.3km/h - Average wind speed in February:
6.3km/h - Average wind speed in March:
5.9km/h - Average wind speed in April:
4.7km/h - Average wind speed in May:
4km/h - Average wind speed in June:
3.8km/h
- Average wind speed in July:
4.7km/h - Average wind speed in August:
4.1km/h - Average wind speed in September:
3.8km/h - Average wind speed in October:
4.4km/h - Average wind speed in November:
6.2km/h - Average wind speed in December:
6.7km/h
The windiest month (with the highest average wind speed) is January (7.3km/h).
The calmest months (with the lowest average wind speed) are June and September (3.8km/h).
Average humidity
San Simon, El Salvador
The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is March (56%).
Average rainfall
San Simon, El Salvador
The wettest month (with the highest rainfall) is May (150mm).
The driest month (with the least rainfall) is January (1mm).
Average rainfall days
San Simon, El Salvador
- Average rainfall days in January:
1.6 days - Average rainfall days in February:
2.8 days - Average rainfall days in March:
5.9 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
24.4 days - Average rainfall days in June:
23.8 days
- Average rainfall days in July:
22.5 days - Average rainfall days in August:
23.9 days - Average rainfall days in September:
25.7 days - Average rainfall days in October:
25.1 days - Average rainfall days in November:
13.9 days - Average rainfall days in December:
3.7 days
The month with the highest number of rainy days is September (25.7 days).
The month with the least rainy days is January (1.6 days).
Average snowfall
San Simon, El Salvador
The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days
San Simon, El Salvador
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight / Average sunshine
San Simon, 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:
8h and 36min - Average sunshine in March:
10h and 42min - Average sunshine in April:
11h and 36min - 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:
10h and 48min - Average sunshine in September:
8h and 42min - Average sunshine in October:
8h and 36min - Average sunshine in November:
9h and 12min - Average sunshine in December:
7h and 42min
The month with the most sunshine is April (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 7h and 42min).
Average sunshine days
San Simon, El Salvador
- Average sunshine days in January:
29.1 days - Average sunshine days in February:
24.3 days - Average sunshine days in March:
24.2 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
5.2 days - Average sunshine days in June:
5.3 days
- Average sunshine days in July:
6.8 days - Average sunshine days in August:
6 days - Average sunshine days in September:
3.6 days - Average sunshine days in October:
4.8 days - Average sunshine days in November:
15.3 days - Average sunshine days in December:
26.3 days
The month with the most sunshine days is January (29.1 days).
The month with the least sunshine days is September (3.6 days).
Average UV index
San Simon, 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
San Simon, El Salvador
The month with the most cloud cover is September (Cloud cover 47).
The months with the least cloud cover are January and December (Cloud cover 13).
Average visibility
San Simon, El Salvador
The months with the highest visibility are January, February, March, April and December (10km).
The month with the lowest visibility is September (7km).
