October weather forecast
Peru

As Peru delves further into spring in October, the weather varies across the country's diverse landscapes.

In the coastal region, cities such as Lima and Trujillo continue to experience warming temperatures. Average temperatures can range from 18°C (64.4°F) to 24°C (75.2°F), signalling the approaching summer season. Rainfall remains negligible in this region, creating predominantly dry conditions.

The Andean highlands, including cities like Cusco and Arequipa, start to see the return of the wet season in October. Rainfall begins to increase, with average precipitation levels of 45mm (1.77"). Daytime temperatures generally fluctuate between 12°C (53.6°F) to 22°C (71.6°F), while nighttime temperatures can fall close to freezing, especially at higher altitudes.

In the Amazon rainforest, October marks the onset of the wetter part of the year. Cities such as Iquitos and Puerto Maldonado witness a significant increase in rainfall, with average precipitation levels around 200mm (7.87"). Despite the rise in rainfall, temperatures remain consistently high, typically exceeding 30°C (86°F).

Comparatively, October's weather conditions differ from September, particularly with the increase in rainfall in the Andean and Amazon regions. Looking ahead to November, temperatures continue to rise on the coast, and the wet season intensifies in the Andean and Amazon regions.

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• Lima - October »
  How many hours of sunshine does Lima have in October? The months with the lowest UV index in Lima are May through October, with an average maximum UV index of 5.
• Arequipa - October »
  October is the warmest month in Arequipa, with the temperature often reaching an average high of 17.9°C (64.2°F) and an average low of 8.7°C (47.7°F). In Arequipa in October, during 3.5 rainfall days, 5mm (0.2") of precipitation is typically accumulated.
• Cusco - October »
  In Cusco, during October, the rain falls for 8 days and regularly aggregates up to 39mm (1.54") of precipitation. Cusco's temperature records reveal October as the warmest month, marked by average highs of 20.9°C (69.6°F) and lows of 5.5°C (41.9°F).
• Trujillo - October »
  The transition from September to October in Trujillo brings an average high-temperature of a still agreeable 20.8°C (69.4°F), barely different from September's 20.5°C (68.9°F). In Trujillo, the average seawater temperature in October is 16.8°C (62.2°F).
• Chiclayo - October »
  In Chiclayo, Peru, in October, the average water temperature is 18°C (64.4°F). On the first day of October in Chiclayo sunrise is at 06:03 and sunset at 18:13.
• Iquitos - October »
  In Iquitos during October, the rain falls for 23.9 days and regularly aggregates up to 101mm (3.98") of precipitation. In Iquitos, during October, the rain falls for 23.9 days and regularly aggregates up to 101mm (3.98") of precipitation.
• Callao - October »
  On the last day of October, in Callao sunrise is at 05:35 and sunset at 18:08 -05. On the first day of October in Callao sunrise is at 05:51 and sunset at 18:04.
• Pucallpa - October »
  On the last day of October, in Pucallpa, sunrise is at 05:29 and sunset at 17:54 -05. Pucallpa's average low-temperature in the month of October is recorded at an agreeable 20.7°C (69.3°F).
• Tacna - October »
  On the first day of October in Tacna, sunrise is at 05:22 and sunset at 17:38. In Tacna in October, during 2.1 rainfall days, 2mm (0.08") of precipitation is typically accumulated.
• Chimbote - October »
  In Chimbote in October, the average water temperature is 16.6°C (61.9°F). In Chimbote, during October, the rain falls for 2.5 days and regularly aggregates up to 2mm (0.08") of precipitation.
• Ica - October »
  August and October, with an average relative humidity of 63%, are the least humid months in Ica, Peru. In October, on the first day of the month, sunrise is at 05:45 and sunset at 17:59.