Usulután Climate by Month
Usulután, Usulutan, El Salvador
Hot all year, with a rainy season from June to October.
Usulután is hot all year, with a rainy season from June to October. Afternoon highs range from 87°F (30°C) in October to 93°F (34°C) in March, and December nights average 66°F (19°C). It gets 75 in (1909 mm) of rain a year, 83% of it from June to October. December to March are almost completely dry.
- Warmest month
- 93°F(34°C)
- Average high, March
- Coldest nights
- 66°F(19°C)
- Average low, December
- Rain per year
- 75 in(1909 mm)
- Wettest: October
- Humidity
- 74%
- Sunniest: March
Best and worst months in Usulután
Best for weatherThe most comfortable weather comes in December and January, with highs around 90°F (32°C) and almost no rain.
Least pleasantSeptember and October are the least pleasant; October is the wettest, with 16 in (405 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in December.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Usulután weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 91°F(33°C) | 66°F(19°C) | 0.0 in(1 mm) | 63% | 5.3 |
| FebFebruary | 92°F(33°C) | 67°F(20°C) | 0.0 in(1 mm) | 63% | 5.8 |
| MarMarch | 93°F(34°C) | 70°F(21°C) | 0.2 in(5 mm) | 63% | 6.1 |
| AprApril | 93°F(34°C) | 72°F(22°C) | 0.9 in(22 mm) | 67% | 5.8 |
| MayMay | 90°F(32°C) | 72°F(22°C) | 9.0 in(229 mm) | 77% | 5.5 |
| JunJune | 88°F(31°C) | 71°F(21°C) | 13 in(320 mm) | 82% | 5.3 |
| JulJuly | 91°F(33°C) | 70°F(21°C) | 9.4 in(238 mm) | 76% | 5.8 |
| AugAugust | 89°F(32°C) | 70°F(21°C) | 11 in(271 mm) | 82% | 5.6 |
| SepSeptember | 87°F(31°C) | 69°F(21°C) | 14 in(360 mm) | 88% | 5.3 |
| OctOctober | 87°F(30°C) | 69°F(21°C) | 16 in(405 mm) | 86% | 4.7 |
| NovNovember | 88°F(31°C) | 68°F(20°C) | 2.1 in(53 mm) | 77% | 5.0 |
| DecDecemberBest | 89°F(32°C) | 66°F(19°C) | 0.2 in(4 mm) | 68% | 5.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Usulután →- 🇸🇻SonsonateSonsonate Department, El Salvador · Pop. 59k97%matchSame daytime highsSame nighttime lowsUsulután vs Sonsonate →
- 🇬🇹JalpataguaJutiapa, Guatemala · Pop. 29k94%matchSame humidityUsulután vs Jalpatagua →
- 🇳🇮MateareManagua Department, Nicaragua · Pop. 61k94%matchSame daytime highsSame humidityUsulután vs Mateare →
- 🇳🇮LeónLeón Department, Nicaragua · Pop. 145k93%matchSame daytime highsSimilar rainfallUsulután vs León →
- 🇳🇮El ViejoChinandega Department, Nicaragua · Pop. 54k92%matchSame daytime highsSimilar rainfallUsulután vs El Viejo →