La Unión, El Salvador Climate by Month
La Unión, La Union, El Salvador
Hot all year, with a rainy season from June to October.
Hot all year, with a rainy season from June to October: that's La Unión's climate in short. Afternoon highs range from 89°F (32°C) in October to 95°F (35°C) in April, and December nights average 71°F (22°C). Of the 74 in (1870 mm) of rain in a typical year, 81% falls from June to October. December to March are almost completely dry.
- Warmest month
- 95°F(35°C)
- Average high, April
- Coldest nights
- 71°F(22°C)
- Average low, December
- Rain per year
- 74 in(1870 mm)
- Wettest: October
- Humidity
- 70%
- Sunniest: March
Best and worst months in La Unión
Best for weatherThe most comfortable weather comes from December to February, with highs around 92°F (33°C) and almost no rain.
Least pleasantSeptember and October are the least pleasant; October is the wettest, with 15 in (381 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)
La Unión weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 92°F(33°C) | 71°F(22°C) | 0.1 in(2 mm) | 63% | 5.6 |
| FebFebruaryBest | 93°F(34°C) | 73°F(23°C) | 0.0 in(1 mm) | 60% | 6.3 |
| MarMarch | 95°F(35°C) | 74°F(24°C) | 0.2 in(6 mm) | 59% | 6.7 |
| AprApril | 95°F(35°C) | 76°F(24°C) | 1.1 in(27 mm) | 62% | 6.5 |
| MayMay | 93°F(34°C) | 75°F(24°C) | 11 in(267 mm) | 72% | 5.9 |
| JunJune | 91°F(33°C) | 74°F(23°C) | 13 in(334 mm) | 77% | 5.7 |
| JulJuly | 93°F(34°C) | 74°F(24°C) | 7.2 in(183 mm) | 71% | 6.2 |
| AugAugust | 92°F(33°C) | 74°F(23°C) | 10 in(255 mm) | 76% | 6.0 |
| SepSeptember | 90°F(32°C) | 73°F(23°C) | 14 in(361 mm) | 82% | 5.6 |
| OctOctober | 89°F(32°C) | 72°F(22°C) | 15 in(381 mm) | 82% | 5.1 |
| NovNovember | 90°F(32°C) | 71°F(22°C) | 1.9 in(47 mm) | 73% | 5.3 |
| DecDecemberBest | 91°F(33°C) | 71°F(22°C) | 0.2 in(6 mm) | 67% | 5.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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