Climate - Juanjui (Peru)

The climate of Juanjuí is tropical, hot all year round. There is no real dry season, however, the rains become rarer from June to August, the austral winter, when night temperatures also decrease a bit.
The city is located in the north of Peru, at 7 degrees south latitude, at an altitude of 300 meters (985 feet), in the department of San Martín, on the banks of the Huallaga River. We are at the foot of the Andes. To the southwest is the Rio Abiseo National Park, whose altitude ranges from 350 to 4,200 meters (1,150 to 13,800 feet) above sea level.
Occasionally, in the austral winter, especially from late June to late July, there may be slightly cool periods, perhaps of a day or two, in which the maximum temperature can drop down to 23/25 °C (73/77 °F).

The average temperature of the coldest month (June) is of 26.7 °C (80.0 °F), that of the warmest month (September) is of 28.1 °C (82.5 °F). Here are the average temperatures.
Precipitation amounts to 1525 millimeters (60 inches) per year: it is therefore abundant. It ranges from 70 mm (2.8 in) in the driest months (July, August) to 180 mm (7.1 in) in the wettest ones (March, April) Here is the average precipitation.
On average, there are around 1910 sunshine hours per year. Here are the average sunshine hours per day.

Juanjui - 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 Juanjui is of 27.8 °C (82 °F), with a minimum of 23.4 °C (74.1 °F) and a maximum of 32.3 °C (90.1 °F).
On the coldest nights of the month, the temperature usually drops to around 21.5 °C (70.5 °F).
On the warmest days of the month, the temperature usually reaches around 35.5 °C (95.5 °F).
Precipitation amounts to 110 mm (4.3 in), distributed over 15 days.
On average, there are 160 hours of sunshine per month, i.e. 5 hours per day.
The average humidity is 75%.

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In February, the average temperature in Juanjui is of 27.3 °C (81 °F), with a minimum of 23 °C (73.5 °F) and a maximum of 31.6 °C (88.9 °F).
On the coldest nights of the month, the temperature usually drops to around 21.5 °C (70.5 °F).
On the warmest days of the month, the temperature usually reaches around 35.5 °C (96 °F).
Precipitation amounts to 150 mm (5.9 in), distributed over 15 days.
On average, there are 145 hours of sunshine per month, i.e. 5 hours per day.
The average humidity is 77%.

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In March, the average temperature in Juanjui is of 27.0 °C (81 °F), with a minimum of 22.8 °C (73 °F) and a maximum of 31.3 °C (88.3 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (68.5 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94 °F).
Precipitation amounts to 180 mm (7.1 in), distributed over 15 days.
On average, there are 110 hours of sunshine per month, i.e. 3.5 hours per day.
The average humidity is 79%.

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In April, the average temperature in Juanjui is of 27.1 °C (81 °F), with a minimum of 22.7 °C (72.9 °F) and a maximum of 31.5 °C (88.6 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (68.5 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (93.5 °F).
Precipitation amounts to 180 mm (7.1 in), distributed over 13 days.
On average, there are 135 hours of sunshine per month, i.e. 4.5 hours per day.
The average humidity is 77%.

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In May, the average temperature in Juanjui is of 26.9 °C (80 °F), with a minimum of 22.5 °C (72.5 °F) and a maximum of 31.2 °C (88.2 °F).
On the coldest nights of the month, the temperature usually drops to around 19.5 °C (67.5 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (92 °F).
Precipitation amounts to 130 mm (5.1 in), distributed over 12 days.
On average, there are 150 hours of sunshine per month, i.e. 5 hours per day.
The average humidity is 77%.

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In June, the coldest month of the year, the average temperature in Juanjui is of 26.7 °C (80 °F), with a minimum of 22 °C (71.6 °F) and a maximum of 31.4 °C (88.5 °F).
On the coldest nights of the month, the temperature usually drops to around 19.5 °C (66.5 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92.5 °F).
Precipitation amounts to 80 mm (3.1 in), distributed over 9 days.
On average, there are 170 hours of sunshine per month, i.e. 5.5 hours per day.
The average humidity is 76%.

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In July, the average temperature in Juanjui is of 26.9 °C (80 °F), with a minimum of 22 °C (71.5 °F) and a maximum of 31.9 °C (89.4 °F).
On the coldest nights of the month, the temperature usually drops to around 19 °C (66.5 °F).
On the warmest days of the month, the temperature usually reaches around 34 °C (93.5 °F).
Precipitation amounts to 70 mm (2.8 in), distributed over 9 days.
On average, there are 195 hours of sunshine per month, i.e. 6.5 hours per day.
The average humidity is 74%.

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In August, the average temperature in Juanjui is of 27.2 °C (81 °F), with a minimum of 21.7 °C (71 °F) and a maximum of 32.7 °C (90.9 °F).
On the coldest nights of the month, the temperature usually drops to around 19 °C (66.5 °F).
On the warmest days of the month, the temperature usually reaches around 35.5 °C (96 °F).
Precipitation amounts to 70 mm (2.8 in), distributed over 7 days.
On average, there are 205 hours of sunshine per month, i.e. 6.5 hours per day.
The average humidity is 72%.

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In September, the warmest month of the year, the average temperature in Juanjui is of 28.1 °C (82 °F), with a minimum of 22.8 °C (73 °F) and a maximum of 33.3 °C (92 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F).
On the warmest days of the month, the temperature usually reaches around 37 °C (98.5 °F).
Precipitation amounts to 105 mm (4.1 in), distributed over 10 days.
On average, there are 175 hours of sunshine per month, i.e. 6 hours per day.
The average humidity is 70%.

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In October, the average temperature in Juanjui is of 27.9 °C (82 °F), with a minimum of 22.9 °C (73.2 °F) and a maximum of 32.8 °C (91.1 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (68.5 °F).
On the warmest days of the month, the temperature usually reaches around 36 °C (97 °F).
Precipitation amounts to 170 mm (6.7 in), distributed over 13 days.
On average, there are 150 hours of sunshine per month, i.e. 5 hours per day.
The average humidity is 74%.

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In November, the average temperature in Juanjui is of 27.8 °C (82 °F), with a minimum of 23.1 °C (73.6 °F) and a maximum of 32.5 °C (90.5 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68.5 °F).
On the warmest days of the month, the temperature usually reaches around 35.5 °C (96 °F).
Precipitation amounts to 160 mm (6.3 in), distributed over 12 days.
On average, there are 145 hours of sunshine per month, i.e. 5 hours per day.
The average humidity is 74%.

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In December, the average temperature in Juanjui is of 28.0 °C (82 °F), with a minimum of 23.6 °C (74.5 °F) and a maximum of 32.3 °C (90.2 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (70 °F).
On the warmest days of the month, the temperature usually reaches around 35.5 °C (96 °F).
Precipitation amounts to 125 mm (4.9 in), distributed over 14 days.
On average, there are 165 hours of sunshine per month, i.e. 5.5 hours per day.
The average humidity is 74%.