May
Weather in San Salvador for May 2026
Your guide to San Salvador weather in May - trends and predictions
Until now, May 2026 in San Salvador has been nearly identical to the historical average, with a temperature of 29.9 °C (showing only a slight deviation of 0.3 °C).
The forecast for the upcoming days in San Salvador predicts a temperature of 32.5 °C, which is slightly above the historical average.
In general, the average temperature in San Salvador at the beginning of May is 29.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 31.1 °C by the end of May.
San Salvador experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 170 mm.
Temperatures
Rain 🌧️
1
Dry days
30
Rainy days
0
Snow days
30°/22°
Temperatures
11 km/h
Avg max wind
76 %
Avg humidity
San Salvador Weather May
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Temperatures trend during May in San Salvador
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May weather in San Salvador day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 29° /21° | 6.7 mm | 8 | |
| 2 May | Light rain shower | 30° /22° | 5.7 mm | 7 | |
| 3 May |  Patchy light rain with thunder | 30° /22° | 3.6 mm | 7 | |
| 4 May |  Thundery outbreaks possible | 30° /21° | 4.8 mm | 8 | |
| 5 May | Light rain shower | 29° /21° | 2.7 mm | 6 | |
| 6 May | Patchy rain possible | 30° /22° | 1.1 mm | 8 | |
| 7 May | Light rain shower | 29° /21° | 5.5 mm | 7 | |
| 8 May | Patchy rain possible | 30° /22° | 3.3 mm | 8 | |
| 9 May | Patchy rain possible | 29° /22° | 3.8 mm | 7 | |
| 10 May | Patchy light rain with thunder | 30° /22° | 7.6 mm | 8 | |
| 11 May | Patchy rain possible | 30° /21° | 5.8 mm | 7 | |
| 12 May | Patchy rain possible | 31° /21° | 0.7 mm | 8 | |
| 13 May |  Sunny | 35° /23° | 0 mm | 13 | |
| 14 May | Sunny | 35° /22° | 0.1 mm | 13.3 | |
| 15 May | Patchy rain possible | 35° /22° | 0.8 mm | 0.1 | |
| 16 May | Patchy rain possible | 35° /23° | 0.6 mm | 6 | |
| 17 May |  Moderate rain | 33° /23° | 10.6 mm | 6 | |
| 18 May | Patchy rain possible | 34° /23° | 1.1 mm | 6 | |
| 19 May | Patchy rain possible | 31° /23° | 3.2 mm | 6 | |
| 20 May | Patchy rain possible | 31° /22° | 1.1 mm | 6 | |
| 21 May | Moderate rain | 29° /22° | 6.3 mm | 5 | |
| 22 May | Patchy rain possible | 31° /21° | 5 mm | 5 | |
| 23 May | Patchy rain possible | 32° /22° | 1.1 mm | 6 | |
| 24 May | Patchy rain possible | 31° /23° | 3.4 mm | 6 | |
| 25 May | Moderate rain | 31° /21° | 5.8 mm | 5 | |
| 26 May | Patchy rain possible | 32° /21° | 1.9 mm | 5 | |
| 27 May | Patchy light rain with thunder | 31° /22° | 0.9 mm | 8 | |
| 28 May | Patchy light rain with thunder | 32° /22° | 4.5 mm | 7 | |
| 29 May | Patchy light rain with thunder | 31° /21° | 5.7 mm | 7 | |
| 30 May | Patchy rain possible | 31° /22° | 10.8 mm | 7 | |
| 31 May | Light rain shower | 30° /22° | 7.8 mm | 7 | |
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Important Notice
Our weather forecast for San Salvador in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Salvador forecast closer to your planned date for the most up-to-date weather information.
Change Month
San Salvador in May - FAQ
What are the expected maximum and minimum temperatures in San Salvador during May?
During May, expect a variety of temperatures with highs around 30° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Salvador during May?
Significant rainfall exceeding 170 mm is expected in San Salvador during May, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Salvador during May?
The average wind speed in San Salvador during May is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in San Salvador
Explore the daily rainfall trends and prepare for San Salvadors May weather 💧
Typically, San Salvador has 30 rainy days in May with a total of 170 mm of rainfall.
UV exposure in San Salvador during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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