Tarapoto

San Martin Weather in October

Average temperatures, rainfall, sunshine and the best places to visit in San Martin, Peru in October.

Planning a trip to San Martin, Peru this October? Here's what you need to know about the weather:

What to Expect in San Martin in October

San Martin, Peru is a region in Peru. October in San Martin generally has very warm temperatures, with heavy precipitation.

Temperatures

You can expect very warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 20°C (68°F) in Tarapoto. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

For specific regional insights in San Martin, Peru, refer to the map provided below.

Precipitation

In October, precipitation varies across different areas. From heavy rainfall in Sauce with an average of 193 mm (7.6 in) to heavy rainfall in Lamas with 238 mm (9.4 in).

Explore San Martin by month

Best Places to Visit in San Martin in October

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across San Martin.

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).

Popular Destinations in San Martin

What is the weather like in October for some of the most popular destinations in San Martin, Peru?

Temperature range in San Martin (October)

Precipitation variation in San Martin (October)

Tarapoto

In October Tarapoto generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 20°C (68°F) and heavy monthly rainfall. So on average the conditions are poor that month.

September
October
November
Max temperature
31°C (88°F)
30°C (86°F)
30°C (86°F)
Min temperature
19°C (66°F)
20°C (68°F)
20°C (68°F)
Monthly rainfall
144 mm (5.7 in)
206 mm (8.1 in)
240 mm (9.4 in)
Monthly rainy days
12 days
14 days
14 days
Weather conditions

Sauce

In October Sauce generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 21°C (70°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

September
October
November
Max temperature
31°C (88°F)
31°C (88°F)
30°C (86°F)
Min temperature
20°C (68°F)
21°C (70°F)
21°C (70°F)
Monthly rainfall
153 mm (6 in)
193 mm (7.6 in)
198 mm (7.8 in)
Monthly rainy days
12 days
14 days
14 days
Weather conditions

Lamas

In October Lamas generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are poor that month.

September
October
November
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
19°C (66°F)
19°C (66°F)
19°C (66°F)
Monthly rainfall
161 mm (6.3 in)
238 mm (9.4 in)
278 mm (11 in)
Monthly rainy days
12 days
14 days
14 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in San Martin, in Peru.

In our records: Peru October extremes

Notable October records observed across cities in Peru in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest October day in Peru reached 41°C (106°F) in Sauce on October 12, 2012.

Popular cities in October

Day & night temperatures, rainfall and average weather in San Martin in October.

City Weather Day temp Night temp Rainfall
Tarapoto 30°C (86°F) 20°C (68°F) 206 mm (8.1 in)
Sauce 31°C (88°F) 21°C (70°F) 193 mm (7.6 in)
Lamas 30°C (86°F) 19°C (66°F) 238 mm (9.4 in)

San Martin weather in October: frequently asked questions

What is the weather like in San Martin, Peru in October?

Expect poor weather across San Martin, Peru in October. The popular destination of Tarapoto averages 30°C (86°F) by day and 20°C (68°F) at night during this month.

What is the average temperature in San Martin, Peru in October?

Average temperatures in San Martin, Peru during October range from a nighttime low near 20°C (68°F) to a daytime high around 30°C (86°F) in Tarapoto.

Does San Martin, Peru get a lot of rain in October?

Expect plenty of rainfall. Tarapoto records an average of 206 mm (8.1 in) in October, putting it among the wetter months for San Martin, Peru.

Is October a Good Time to Visit San Martin, Peru?

Given the typically poor weather conditions in Tarapoto, October may not be the ideal time to visit San Martin, Peru.

On average, the best time to visit San Martin, Peru is in June and July with generally pleasant weather in Tarapoto. On the other hand, the months of January, February, March, April, May, October, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in San Martin.

Weather and climate has detailed information for every country in the world. Are you going to Peru? Get detailed historical weather averages for many cities in Peru.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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