Climate - Iquitos (Peru)

The climate of Iquitos is equatorial, that is, hot, humid and rainy all year round. However, even though there is no dry season, the rains decrease somewhat in the austral winter, from June to September.
The city is located in northeastern Peru, at almost 4 degrees south latitude, on the Amazon River, and is the main Peruvian city in the Amazon rainforest, as well as the capital of the Loreto department.
Occasionally, in the austral winter, there may be short periods with slightly cool temperatures. For example, in August 1993, there was a day with a minimum of 14.5 °C (58 °F) and a maximum of 24 °C (75 °F), while in June 2021, there was a day with a minimum of 15.7 °C (60.3 °F) and a maximum of 22.5 °C (72.5 °F).
Fog can form at night and early in the morning, especially in the southern austral.

The average temperature of the coldest month (July) is of 26.3 °C (79.3 °F), that of the warmest month (November) is of 27.6 °C (81.8 °F). Here are the average temperatures.
Precipitation amounts to 2840 millimeters (111.8 inches) per year: it is therefore very abundant. It ranges from 155 mm (6.1 in) in the driest month (August) to 350 mm (13.8 in) in the wettest one (March). Here is the average precipitation.
On average, there are around 2180 sunshine hours per year. Here are the average sunshine hours per day.

Iquitos - Weather by month

Based on the period 1991-2020
(January - February - March - April - May - June - July - August - September - October - November - December)

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In January, the average temperature in Iquitos is of 27.4 °C (81 °F), with a minimum of 22.4 °C (72.4 °F) and a maximum of 32.4 °C (90.4 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (70 °F). However, in January 1992, it dropped to 18.2 °C (64.8 °F).
On the warmest days of the month, the temperature usually reaches around 35 °C (94.5 °F). However, in January 2016, it reached 36.8 °C (98.2 °F).
Precipitation amounts to 255 mm (10 in), distributed over 17 days.
On average, there are 165 hours of sunshine per month, i.e. 5.5 hours per day.
The average humidity is 84%.
The average wind speed is 5 kph (3 kph).

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In February, the average temperature in Iquitos is of 27.4 °C (81 °F), with a minimum of 22.4 °C (72.3 °F) and a maximum of 32.3 °C (90.1 °F).
On the coldest nights of the month, the temperature usually drops to around 22 °C (71 °F). However, in February 1992, it dropped to 19.4 °C (66.9 °F).
On the warmest days of the month, the temperature usually reaches around 35 °C (95 °F). However, in February 2007, it reached 36.7 °C (98.1 °F).
Precipitation amounts to 275 mm (10.8 in), distributed over 18 days.
On average, there are 150 hours of sunshine per month, i.e. 5.5 hours per day.
The average humidity is 84%.
The average wind speed is 4 kph (3 kph).

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In March, the average temperature in Iquitos is of 27.3 °C (81 °F), with a minimum of 22.4 °C (72.4 °F) and a maximum of 32.2 °C (90 °F).
On the coldest nights of the month, the temperature usually drops to around 21.5 °C (70.5 °F). However, in March 1992, it dropped to 19.3 °C (66.7 °F).
On the warmest days of the month, the temperature usually reaches around 35 °C (95 °F). However, in March 2016, it reached 36.2 °C (97.2 °F).
Precipitation amounts to 350 mm (13.8 in), distributed over 20 days.
On average, there are 150 hours of sunshine per month, i.e. 5 hours per day.
The average humidity is 85%.
The average wind speed is 4 kph (3 kph).

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In April, the average temperature in Iquitos is of 27.3 °C (81 °F), with a minimum of 22.4 °C (72.4 °F) and a maximum of 32.2 °C (89.9 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (69.5 °F). However, in April 1999, it dropped to 17.8 °C (64 °F).
On the warmest days of the month, the temperature usually reaches around 35 °C (95 °F). However, in April 2010, it reached 36.2 °C (97.2 °F).
Precipitation amounts to 305 mm (12 in), distributed over 19 days.
On average, there are 160 hours of sunshine per month, i.e. 5.5 hours per day.
The average humidity is 85%.
The average wind speed is 4 kph (3 kph).

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In May, the average temperature in Iquitos is of 27.0 °C (81 °F), with a minimum of 22.2 °C (72 °F) and a maximum of 31.7 °C (89 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (68.5 °F). However, in May 2007, it dropped to 17.5 °C (63.5 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (93.5 °F). However, in May 1992, it reached 36 °C (96.8 °F).
Precipitation amounts to 270 mm (10.6 in), distributed over 18 days.
On average, there are 175 hours of sunshine per month, i.e. 5.5 hours per day.
The average humidity is 85%.
The average wind speed is 4 kph (3 kph).

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In June, the average temperature in Iquitos is of 26.5 °C (80 °F), with a minimum of 21.7 °C (71.1 °F) and a maximum of 31.3 °C (88.3 °F).
On the coldest nights of the month, the temperature usually drops to around 19.5 °C (66.5 °F). However, in June 1994, it dropped to 17 °C (62.6 °F).
On the warmest days of the month, the temperature usually reaches around 34 °C (93 °F). However, in June 1991, it reached 35 °C (95 °F).
Precipitation amounts to 200 mm (7.9 in), distributed over 15 days.
On average, there are 190 hours of sunshine per month, i.e. 6.5 hours per day.
The average humidity is 86%.
The average wind speed is 4 kph (2 kph).

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In July, the coldest month of the year, the average temperature in Iquitos is of 26.3 °C (79 °F), with a minimum of 21.1 °C (70.1 °F) and a maximum of 31.5 °C (88.6 °F).
On the coldest nights of the month, the temperature usually drops to around 19 °C (66.5 °F). However, in July 2000, it dropped to 14.7 °C (58.5 °F).
On the warmest days of the month, the temperature usually reaches around 34 °C (93.5 °F). However, in July 1993, it reached 35.8 °C (96.4 °F).
Precipitation amounts to 165 mm (6.5 in), distributed over 14 days.
On average, there are 215 hours of sunshine per month, i.e. 7 hours per day.
The average humidity is 84%.
The average wind speed is 4 kph (2 kph).

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In August, the average temperature in Iquitos is of 26.8 °C (80 °F), with a minimum of 21.2 °C (70.2 °F) and a maximum of 32.4 °C (90.3 °F).
On the coldest nights of the month, the temperature usually drops to around 18 °C (65 °F). However, in August 1993, it dropped to 14.5 °C (58.1 °F).
On the warmest days of the month, the temperature usually reaches around 35 °C (95 °F). However, in August 2008, it reached 38.6 °C (101.5 °F).
Precipitation amounts to 155 mm (6.1 in), distributed over 12 days.
On average, there are 225 hours of sunshine per month, i.e. 7.5 hours per day.
The average humidity is 82%.
The average wind speed is 4 kph (3 kph).

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In September, the average temperature in Iquitos is of 27.5 °C (81 °F), with a minimum of 21.8 °C (71.2 °F) and a maximum of 33.1 °C (91.7 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F). However, in September 2000, it dropped to 15.7 °C (60.3 °F).
On the warmest days of the month, the temperature usually reaches around 35.5 °C (96 °F). However, in September 1991, it reached 38.7 °C (101.7 °F).
Precipitation amounts to 190 mm (7.5 in), distributed over 14 days.
On average, there are 215 hours of sunshine per month, i.e. 7 hours per day.
The average humidity is 82%.
The average wind speed is 4 kph (3 kph).

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In October, the average temperature in Iquitos is of 27.6 °C (82 °F), with a minimum of 22.2 °C (72 °F) and a maximum of 33.1 °C (91.6 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (68.5 °F). However, in October 1999, it dropped to 17 °C (62.6 °F).
On the warmest days of the month, the temperature usually reaches around 36 °C (97 °F). However, in October 2017, it reached 37.2 °C (99 °F).
Precipitation amounts to 215 mm (8.5 in), distributed over 16 days.
On average, there are 200 hours of sunshine per month, i.e. 6.5 hours per day.
The average humidity is 82%.
The average wind speed is 5 kph (3 kph).

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In November, the warmest month of the year, the average temperature in Iquitos is of 27.6 °C (82 °F), with a minimum of 22.4 °C (72.3 °F) and a maximum of 32.9 °C (91.2 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (70 °F). However, in November 1999, it dropped to 17.2 °C (63 °F).
On the warmest days of the month, the temperature usually reaches around 35 °C (95.5 °F). However, in November 2010, it reached 37.4 °C (99.3 °F).
Precipitation amounts to 245 mm (9.6 in), distributed over 17 days.
On average, there are 180 hours of sunshine per month, i.e. 6 hours per day.
The average humidity is 84%.
The average wind speed is 5 kph (3 kph).

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In December, the warmest month of the year, the average temperature in Iquitos is of 27.4 °C (81 °F), with a minimum of 22.4 °C (72.3 °F) and a maximum of 32.4 °C (90.3 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (69 °F). However, in December 1998, it dropped to 18.3 °C (64.9 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94.5 °F). However, in December 2010, it reached 36.2 °C (97.2 °F).
Precipitation amounts to 255 mm (10 in), distributed over 16 days.
On average, there are 160 hours of sunshine per month, i.e. 5 hours per day.
The average humidity is 85%.
The average wind speed is 5 kph (3 kph).