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Santo Tomas Weather in May

Santo Tomas in May averages 31°C (88°F) during the day and 23°C (73°F) at night. May is part of the rainy season, so frequent rainfall is typical.

Rainfall in Santo Tomas in May

As part of the rainy season, Santo Tomas sees around 20 days of rain in May, with an average of 274 mm (11 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Santo Tomas in May

May in Santo Tomas brings very high temperatures, with highs of 31°C (88°F) and nights around 23°C (73°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With overnight lows of 23°C (73°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

Sunshine in Santo Tomas in May

The city usually sees around 175 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).

Wind Speed in Santo Tomas in May

Average wind conditions reach 1 m/s (2 knots) in May. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.

May in Santo Tomas can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Peru, check out our Santo Tomas's climate page.

Santo Tomas Temperature in May

Min TemperatureMin Temperature 23°C (73°F)  
Max TemperatureMax Temperature 31°C (88°F)  
Chance of RainChance of Rain 67%  
PrecipitationPrecipitation 274 mm (11 in)  
Rainy daysRainy days 20 days  
HumidityHumidity 83% *  
WindspeedWindspeed 1 m/s (2 knots) *  
SunshineSunshine 175 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Iquitos, Peru (11 KM, 7 Miles).

Best Places in Peru in May

Find out more about the weather in Peru and which places have the best travel conditions in this month. See all of Peru in May →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Santo Tomas in May

Warm but pleasant conditions in Santo Tomas in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Santo Tomas in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Peru, check out our Santo Tomas's climate page.

More climate data for Santo Tomas