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Santo Tomas Climate by Month

The weather in Santo Tomas is characterized by a steady average temperature throughout the year. It also has a notably wet climate with much precipitation. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

The climate in Santo Tomas remains fairly constant, offering very warm temperatures throughout the year. Average daytime temperatures range from a very warm 32°C in September, the warmest time of the year, to a very warm 30°C during cooler months like July. At night, temperatures typically average around 22°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Santo Tomas is known for its substantial rainfall, with annual precipitation reaching 2881 mm. While rainfall varies throughout the year, each season offers its own charm. March brings wetter days averaging 313 mm of precipitation, spread over 22 rainy days.

In contrast, August experiences a drier climate, with about 156 mm of rainfall spread across 16 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

While the amount of sunshine in Santo Tomas varies throughout the year, all seasons offer their own charm. Enjoy up to 7.6 hours of daily sun in August, and experience slightly darker atmosphere in February, with about 5.0 hours of daily sunlight.

Monthly hours of sunshine

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

Daily hours of sunshine

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

The best time of year to visit Santo Tomas in Peru

Santo Tomas has high temperatures year round ranging between 30°C and 31°C.
The average rainfall figures in Santo Tomas are quite high. Throughout the year, you have a chance of prolonged precipitation. So no matter what time of year you go, you will always have to deal with a high number of rainy days. This makes it more challenging to point out the best time of year to visit. If we needed to pick one month we would choose August which is the sunniest month of the year.

Other facts from our historical weather data:
  • Which is the hottest month in Santo Tomas?
    September has an average maximum temperature of 32°C and is the hottest month of the year.
  • Which is the coolest month in Santo Tomas?
    The coolest month is July with an average maximum temperature of 30°C.
  • Which is the wettest month in Santo Tomas?
    March tops the wettest month list with 313 mm of rainfall.
  • Which is the driest month in Santo Tomas?
    August is the driest month with 156 mm of precipitation.
  • Which is the sunniest month in Santo Tomas?
    August is the sunniest month with an average of 228 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Santo Tomas

    Fri   Dec 13
    32°C | 23°C
    NE 7 km/h
    5.1 mm
    broken clouds and thunder

    broken clouds and thunder

    Sat   Dec 14
    34°C | 23°C
    N 11 km/h
    1.8 mm
    partly cloudy and rain

    partly cloudy and rain

    Sun   Dec 15
    32°C | 23°C
    E 11 km/h
    5.9 mm
    broken clouds and thunder

    broken clouds and thunder