San Antonio Weather in May
San Antonio in May
The short of it: San Antonio in May averages a high of 18 °C (65 °F) and a low of 10 °C (49 °F), with 56 mm (2.2 in) of rain and about 10 h 24 min of daylight. Rated 4 of 5 for a visit; the best months are November and March. Source: TerraClimate climate normals, 1991–2020.
Average high 18° · low 10° · rain 56 mm · daylight 10 h 24 min
✦✦✦✦ Recommended for a visit · best months: November & March
May in San Antonio brings afternoons near 18° and nights around 10°, with about 56 mm of rain over the month. Much like April: highs about 18°, nights near 10°. Easy travelling weather. Rain is modest, about 56 mm, the 4th wettest month.
The sun is up for about 10 h 24 min in mid-May, 53 minutes less than a month before.
For the traveller: pack layers, a wool coat and stout boots. The Almanac rates May 4 of 5 for a visit; the finest months here are November and March.
Against its neighbours, San Antonio runs warmer than most and wetter than most in May. Cartagena, 5 km to the N, sees much the same highs.
May in San Antonio, by the numbers
- Warmth rank
- 9th warmest of 12
- Rain rank
- 4th wettest of 12
- Versus April
- 3° colder, 37 mm more rain
- Versus June
- 2° warmer
- Day–night spread
- 9°
- Snow season
- seldom any
- Daylight, mid-month
- 10 h 24 min
- Average wind
- 9 km/h
Neighbouring Towns
May averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| CartagenaValparaiso | 5 km N | 18° | 10° | 58 mm |
| Santo DomingoValparaiso | 5 km SSW | 18° | 10° | 55 mm |
| El TaboValparaiso | 16 km NNW | 18° | 10° | 56 mm |
| El QuiscoValparaiso | 23 km NNW | 18° | 10° | 56 mm |
| AlgarroboValparaiso | 26 km NNW | 18° | 10° | 56 mm |
| CasablancaValparaiso | 36 km NNE | 17° | 8° | 68 mm |
| MelipillaSantiago Metropolitan | 38 km ESE | 19° | 9° | 65 mm |
| María PintoSantiago Metropolitan | 46 km E | 19° | 8° | 63 mm |