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Contents
- The climate of Iquitos
- The best time to visit Iquitos
- The worst time to visit Iquitos
- Spring weather in Iquitos
- Summer weather in Iquitos
- Autumn weather in Iquitos
- Winter weather in Iquitos
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Iquitos
According to the Köppen-Geiger Climate Classification system, the prevalent climate in Iquitos, Peru is identified as "Af," or a Tropical Rainforest climate. This type of climate is characterized by heavy rainfall and consistently high temperatures throughout the year. The city's weather parameters illustrate a uniform climate with small variations in temperature and rainfall.
Temperatures in Iquitos range from a low average of 20.8°C (69.4°F) to a high average of 33.3°C (91.9°F), presenting a warm and humid atmosphere year-round. The relative humidity stays within the 77% to 89% range, contributing to the tropical perception of the region. Despite a fairly steady temperature range, the rainfall levels tend to fluctuate noticeably from month to month.
Rainfall reaches its peak in March with an average of 185mm (7.28") and drops to its lowest in August with a mean of 67mm (2.64"). However, even at its lowest, Iquitos experiences significant rainfall, setting the city firmly in the tropical rainforest climate. Daylight hours stay consistent throughout the year, hovering around the 12-hour mark, while sunshine hours per day reveal seasonal patterns, peaking at 8.4 hours in September and minimal at 5.7 hours in April and July.
Temperatures in Iquitos range from a low average of 20.8°C (69.4°F) to a high average of 33.3°C (91.9°F), presenting a warm and humid atmosphere year-round. The relative humidity stays within the 77% to 89% range, contributing to the tropical perception of the region. Despite a fairly steady temperature range, the rainfall levels tend to fluctuate noticeably from month to month.
Rainfall reaches its peak in March with an average of 185mm (7.28") and drops to its lowest in August with a mean of 67mm (2.64"). However, even at its lowest, Iquitos experiences significant rainfall, setting the city firmly in the tropical rainforest climate. Daylight hours stay consistent throughout the year, hovering around the 12-hour mark, while sunshine hours per day reveal seasonal patterns, peaking at 8.4 hours in September and minimal at 5.7 hours in April and July.
The best time to visit Iquitos
The most suitable time to visit Iquitos depends largely on individual tolerance for rain. For those who prefer drier conditions, the period from July to September is ideal as these months record the lowest rainfall, with August being the driest month at 67mm (2.64"). Additionally, in August, the highest average temperature of the year at 32.4°C (90.3°F) can be expected, along with increased sunshine hours at 7.8 hours per day, delivering a warm and relatively dry period to enjoy outdoor activities.
The worst time to visit Iquitos
In contrast, the heaviest rainfall occurs from January to April, with March recording the highest average rainfall of 185mm (7.28"). The weather during this period can be quite unpredictable and may interrupt plans for sightseeing and other outdoor pursuits. Additionally, these months coincide with the lowest recorded sunshine hours, further reducing the likability of these months for travel.
Spring weather in Iquitos
Spring months in Iquitos extend from September through November. During this period, temperatures range from 21.9°C (71.4°F) to 33.3°C (91.9°F), providing warm and pleasant conditions suitable for outdoor activities. Rainfall averages from 80mm (3.15") to 120mm (4.72"), and while this marks the onset of the wetter season, the rainfall is still manageable for most visitors. These months also see a rise in sunshine hours, ranging from 7.7 to 8.4 hours per day, providing ample daylight for exploration.
Summer weather in Iquitos
December through February marks the summer season in Iquitos. This period sees temperatures ranging from 22°C (71.6°F) to 30.1°C (86.2°F). However, with average rainfall ascending from 158mm (6.22") to 161mm (6.34"), these months are also characterized by wet conditions. Despite higher rainfall, summer in Iquitos is mild compared to the incoming monsoon, making it a viable option for visitors who can handle a bit of rain.
Autumn weather in Iquitos
March to May is Iquitos's autumn season, which experiences a temperature range between 21.9°C (71.4°F) and 30.7°C (87.3°F). However, this period is also the wettest, with rainfall peaking at 185mm (7.28") in March. Despite the high rainfall, the temperature remains steadily warm. For visitors inclined towards a tropical, rain-drenched experience, these months would be ideal.
Winter weather in Iquitos
During the winter season, from June to August, temperatures average between 20.8°C (69.4°F) and 32.4°C (90.3°F). These months see a significant drop in rainfall, averaging between 67mm (2.64") and 115mm (4.53"). The decrease in rainfall and consistently high temperatures, particularly in August, create highly favourable conditions for visitors. With up to 7.8 hours of sunshine per day, this period is often considered the best time to visit Iquitos.
Weather in January
January ushers in the new year in Iquitos, Peru with climatological consistency. Slightly increased temperatures, marked by a maximum of 30.1°C (86.2°F) and minimum of 22.3°C (72.1°F), are seen as compared to December. The region experiences substantial rainfall alongside moderate humidity. Weather in January »
Weather in February
February's weather in Iquitos stays consistent, closely mirroring that of the preceding month, January. Minor fluctuations in temperature, humidity, and wind speeds are scarcely noticeable and do not drastically impact the overall weather. Weather in February »
Weather in March
Transitioning into March, Iquitos experiences peak rainfall - 185mm (7.28"), accompanied with 27.6 days of rainfall. The fluctuating conditions result in a marginally cooler atmosphere, although temperatures remain fairly high. Despite the heavy downpours, the city enjoys steady daylight and sunshine hours. Weather in March »
Weather in April
April emerges with a slight decrease in rainfall, paving the way for fewer rainfall days compared to March. Temperature patterns continue to fluctuate within the same comfortable range. Daylight hours, sunshine duration, along with UV index manifest little to no change from March's values. Weather in April »
Weather in May
Next on the calendar, May's weather in Iquitos reads less rainfall both in terms of volume and days, in contrast to April. The temperature continues its uniform oscillation within a predictable range. Indicative of the tropical weather, sunshine hours and UV index hold steady, ensuring an abundance of warmth. Weather in May »
Weather in June
June arrives with the onset of marginally cooler temperatures. Despite a further decrease in rainfall, the city still retains its tropical allure. Regular wind patterns and consistent pressures uphold the steady climate. Visibility remains steady, attributing to smooth daily routines in Iquitos. Weather in June »
Weather in July
July graces Iquitos with marginally reduced rainfall - 104mm (4.09"), in comparison to June's downpours. Consequently, humidity decreases, giving way to a drier atmosphere. Despite minor dips in temperature levels, the overall weather stays reliably tropical throughout the month. Weather in July »
Weather in August
August's weather in Iquitos greets locals with peak temperatures - a high of 32.4°C (90.3°F) and low of 21.4°C (70.5°F), despite lesser rainfall. It's the start of the driest period with been noticeably lower humidity. Steady sunshine, alongside longer daylight hours, add an extra touch of warmth to the city. Weather in August »
Weather in September
Taking over from August, September maintains high temperature patterns, ensuring the tropical climate remains intact. However, this month sets itself apart with increased rainfall and a number of rainy days - 80mm (3.15") and 21.5 days respectively. Weather in September »
Weather in October
October takes Iquitos back to familiar terrain with marginally high rainfall and humidity. The city continues to enjoy generous daylight and sunshine hours, adding warmth to the everyday life. Temperature parameters sway within the usual tropical range. Weather in October »
Weather in November
November in Iquitos witnesses an increased rainfall of 120mm (4.72") and 24.2 rainfall days, when compared to the previous month. Temperature patterns persist lightly high, ensuring a warm welcome to the holiday season. Sunshine hours drop little, but daylight hours remain consistent, lightening up the city with its tropical charm. Weather in November »
Weather in December
Breaking up November's trend, December brings forth lesser temperature fluctuations with greater rainfall of 173mm (6.81"). The weather remains tropical, with stable humidity, daylight, and sunshine hours building up to a heart-warming festive season. Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Iquitos?
The lowest temperatures are recorded in January, with averages reaching a high of 29.8°C (85.6°F) and a low of 22°C (71.6°F).
How much does it rain in Iquitos?
Throughout the year, in Iquitos, Peru, there are 293.9 rainfall days, and 1530mm (60.24") of precipitation is accumulated.
What are the months with the lowest UV index in Iquitos?
January through July, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Iquitos.
What is the wettest month in Iquitos?
March is the month with the most rainfall in Iquitos, Peru. Rain falls for 27.6 days and accumulates 185mm (7.28") of precipitation.
What is the most humid month in Iquitos?
The most humid month in Iquitos is April, with an average relative humidity of 89%.
What is the month with the least sunshine in Iquitos?
The months with the least sunshine in Iquitos are April and July, with an average of 5.7h of sunshine.
What is the month with the shortest days in Iquitos?
June has the shortest days of the year in Iquitos, Peru, with an average of 11h and 54min of daylight.
What are the least humid months in Iquitos?
The months with the lowest humidity in Iquitos, Peru, are August and September, with an average relative humidity of 77%.
What is the driest month in Iquitos?
The month with the least rainfall is August, when the rain falls for 20.9 days and typically collects 67mm (2.64") of precipitation.
When is the highest UV index in Iquitos?
The months with the highest UV index in Iquitos are August through October, with an average maximum UV index of 7.
What is the warmest month in Iquitos?
Iquitos, Peru, experiences its highest temperatures in September, with an average peak of 33.3°C (91.9°F) and a low of 21.9°C (71.4°F).
What month has the most sunshine in Iquitos?
With an average of 8.4h of sunshine, September has the most sunshine of the year in Iquitos, Peru.
When are the longest days in Iquitos?
With an average of 12h and 18min of daylight, December has the longest days of the year in Iquitos.
Is there Daylight Saving Time (DST) in Iquitos?
Iquitos, Peru, does not utilize Daylight Saving Time (DST). -05 timezone is used throughout the entire year.
Average temperature
Iquitos, Peru
The warmest month (with the highest average high temperature) is September (33.3°C).
The month with the lowest average high temperature is January (29.8°C).
The month with the highest average low temperature is November (22.5°C).
The coldest month (with the lowest average low temperature) is July (20.8°C).
Average pressure
Iquitos, Peru
- Average pressure in January:
1010.6mbar - Average pressure in February:
1010.2mbar - Average pressure in March:
1010.7mbar - Average pressure in April:
1011.4mbar - Average pressure in May:
1012.3mbar - Average pressure in June:
1013.5mbar
- Average pressure in July:
1013.7mbar - Average pressure in August:
1012.9mbar - Average pressure in September:
1011.7mbar - Average pressure in October:
1010mbar - Average pressure in November:
1008.8mbar - Average pressure in December:
1009.8mbar
The month with the highest atmospheric pressure is July (1013.7mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed
Iquitos, Peru
- Average wind speed in January:
3.6km/h - Average wind speed in February:
3.5km/h - Average wind speed in March:
3.3km/h - Average wind speed in April:
3.3km/h - Average wind speed in May:
3.2km/h - Average wind speed in June:
3.2km/h
- Average wind speed in July:
3.3km/h - Average wind speed in August:
3.4km/h - Average wind speed in September:
3.4km/h - Average wind speed in October:
3.6km/h - Average wind speed in November:
3.8km/h - Average wind speed in December:
3.7km/h
The windiest month (with the highest average wind speed) is November (3.8km/h).
The calmest months (with the lowest average wind speed) are May and June (3.2km/h).
Average humidity
Iquitos, Peru
The month with the highest relative humidity is April (89%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall
Iquitos, Peru
- Average rainfall in January:
158mm - Average rainfall in February:
161mm - Average rainfall in March:
185mm - Average rainfall in April:
145mm - Average rainfall in May:
121mm - Average rainfall in June:
115mm
The wettest month (with the highest rainfall) is March (185mm).
The driest month (with the least rainfall) is August (67mm).
Average rainfall days
Iquitos, Peru
- Average rainfall days in January:
24.8 days - Average rainfall days in February:
24.1 days - Average rainfall days in March:
27.6 days - Average rainfall days in April:
26 days - Average rainfall days in May:
25.4 days - Average rainfall days in June:
24.8 days
- Average rainfall days in July:
24.7 days - Average rainfall days in August:
20.9 days - Average rainfall days in September:
21.5 days - Average rainfall days in October:
23.9 days - Average rainfall days in November:
24.2 days - Average rainfall days in December:
26 days
The month with the highest number of rainy days is March (27.6 days).
The month with the least rainy days is August (20.9 days).
Average daylight / Average sunshine
Iquitos, Peru
- Average daylight in January:
12h and 2min - Average daylight in February:
12h and 1min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 0min - Average daylight in May:
11h and 5min - Average daylight in June:
11h and 5min
- Average daylight in July:
11h and 5min - Average daylight in August:
12h and 0min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 1min - Average daylight in November:
12h and 2min - Average daylight in December:
12h and 2min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in January:
6h and 5min - Average sunshine in February:
5h and 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
5h and 4min - Average sunshine in May:
6h and 1min - Average sunshine in June:
6h and 3min
- Average sunshine in July:
5h and 4min - Average sunshine in August:
7h and 5min - Average sunshine in September:
8h and 2min - Average sunshine in October:
7h and 4min - Average sunshine in November:
7h and 1min - Average sunshine in December:
6h and 4min
The month with the most sunshine is September (Average sunshine: 8h and 24min).
The months with the least sunshine are April and July (Average sunshine: 5h and 42min).
Average sunshine days
Iquitos, Peru
- Average sunshine days in January:
4.8 days - Average sunshine days in February:
3.5 days - Average sunshine days in March:
3 days - Average sunshine days in April:
3.2 days - Average sunshine days in May:
4.7 days - Average sunshine days in June:
3.9 days
- Average sunshine days in July:
5.3 days - Average sunshine days in August:
7.6 days - Average sunshine days in September:
6.6 days - Average sunshine days in October:
5.1 days - Average sunshine days in November:
5 days - Average sunshine days in December:
4.1 days
The month with the most sunshine days is August (7.6 days).
The month with the least sunshine days is March (3 days).
Average UV index
Iquitos, Peru
The months with the highest UV index are August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, November and December (UV index 6).
Average cloud cover
Iquitos, Peru
The month with the most cloud cover is April (Cloud cover 69).
The month with the least cloud cover is September (Cloud cover 43).
Average visibility
Iquitos, Peru
The months with the highest visibility are August and September (8km).
The months with the lowest visibility are January, February, March, April, May, June, November and December (6km).
Iquitos, Peru
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