Verdict: Excellent month
Cusco Weather in May
May is mild-to-cool in Cusco, topping out near 17°C (63°F) — comfortable with a layer on. Expect showers on roughly 9 days of the month — rarely trip-ruining, worth planning around. Overall, May is one of the best months of the year to be in Cusco.
Average high
17°C / 63°F
Average low
6°C / 43°F
Rain days
~9
Precipitation
36 mm
What to pack for Cusco in May
- Layers — t-shirts under a light jacket or sweater
- Evenings turn genuinely cool — pack a warm layer for after dark
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
May against the rest of the year
Warmest in Cusco: Jul (19°C / 66°F) · Coolest: Mar (16°C / 61°F) · Wettest: Jan (~28 rain days)
17°
8°
Jan
17°
9°
Feb
16°
8°
Mar
17°
7°
Apr
17°
6°
May
18°
5°
Jun
19°
5°
Jul
19°
5°
Aug
19°
7°
Sep
19°
7°
Oct
19°
8°
Nov
18°
8°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)