Santo Tomas Weather in December

In Santo Tomas, December brings very high daytime temperatures around 31°C (88°F), with nights cooling to 23°C (73°F). This month falls within the rainy season, so expect frequent rainfall.

Rainfall in Santo Tomas in December

Santo Tomas is in the rainy season in December, with rain on around 20 days and an average of 270 mm (11 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Santo Tomas in December

Daytime highs in Santo Tomas in December reach 31°C (88°F), with nights around 23°C (73°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With lows around 23°C (73°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Santo Tomas in December

The month experiences a moderate amount of sunlight, with 162 hours of sunshine. This provides a nice balance between sunshine and rain.

Wind Speed in Santo Tomas in December

December has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.

December 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.

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• January
• February
• March
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• May
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• August

• September
• October
• November
• December

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 December

Min Temperature 23°C (73°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 67%  

Precipitation 270 mm (11 in)  

Rainy days 20 days  

Humidity 80% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 162 hours *  

Percentage Sunshine *  

* Data from: Iquitos, Peru (11 KM, 7 Miles).

What to Wear in Santo Tomas in December

Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Santo Tomas in December

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.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Santo Tomas climate overview or explore weather in Peru.