WanderWhen

Santiago weather in May

May is one of the best months to visit Santiago. Expect highs around 19°C, lows near 9°C, and about 3.5 days with rain.

10.0 · Excellenttravel score for May
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg high
19°C
Avg low
9°C
Rainfall
30 mm
Rain days
3.5
Sunshine
8.1 h/day
Daylight
10.3 h

What to pack for Santiago in May

  • long sleeves and a warm layer
  • a medium jacket

Humidity averages 62%; max daily wind around 10 km/h.

How May compares

January: 9.0/10 JFebruary: 9.0/10 FMarch: 10.0/10 MApril: 10.0/10 AMay: 10.0/10 MJune: 7.8/10 JJuly: 8.7/10 JAugust: 9.3/10 ASeptember: 10.0/10 SOctober: 10.0/10 ONovember: 10.0/10 NDecember: 9.5/10 D

Best months in Santiago: March–May & August–December. See the full best time to visit Santiago guide.

Santiago in May: the details

In May, Santiago sees average daytime highs of 19°C (66°F) and overnight lows of 9°C (49°F). Rainfall totals roughly 30 mm across 3.5 rainy days, and the sun shines about 8.1 hours per day with 10.3 hours of daylight mid-month. Relative humidity averages 62%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Santiago, Chile (-33.46, -70.65) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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