
The most detailed information about the water temperature in San Isidro in Pacific Ocean (Lima, Peru). Forecast of changes in water temperature for the next 10 days. Statistics by months for recent years. Information about the neighboring resorts. Weather forecast in San Isidro for a week.
Water temperature in San Isidro right now
data updated 25 minutes ago67°F

yesterday: 67°F
a week ago: 69°F
Trend: stability
Today water temperature in San Isidro is 67.5°F. This water is cool and invigorating, but for many people it is already comfortable enough for swimming. In general, this temperature is considered normal, but if your circulation is impaired, the water may still feel cool. In any case, the general weather is also important. So, the air temperature at the same time will reach 71°F.
Analysis and forecast
The water temperature today is slightly lower than the average on this day in recent years. Its value has rise over the last week, but has drop compared to 20 days ago. Exactly a year ago, on this day, the water temperature in this location was 69°F. Water temperature range in San Isidro in February is from 64 to 73 degrees.
According to our forecast, in the next 5-6 days the water temperature in San Isidro will become lower than today, but in 10 days it will still slightly rise, its value will be 68°F.
Table of water temperature values in San Isidro
Day | Fact* | Average** | Forecast*** |
Feb 18 | 20.3°C | 20.8°C | |
Feb 19 | 21.2°C | 21.0°C | |
Feb 20 | 21.3°C | 20.8°C | |
Feb 21 | 19.8°C | 21.0°C | |
Feb 22 | 19.8°C | 21.0°C | |
Feb 23 | 21.0°C | 21.3°C | |
Feb 24 | 19.7°C | 21.0°C | |
Feb 25 | 19.7°C | 21.5°C | |
Feb 26 | 22.0°C | 20.2°C | |
Feb 27 | 22.0°C | 20.2°C | |
Feb 28 | 21.8°C | 20.0°C | |
Mar 1 | 20.5°C | 18.8°C | |
Mar 2 | 20.3°C | 18.6°C | |
Mar 3 | 21.5°C | 19.7°C | |
Mar 4 | 21.5°C | 19.7°C |
** Average - Average water temperature on this day in past years
*** Forecast - Our forecast for the water temperature
Actual nearshore temperatures may vary by several degrees from the indicated values. This is noticeable after heavy rain or after prolonged periods of strong winds. Some downstream winds cause cold, deep waters to replace surface waters that have been warmed by the sun.
To develop a forecast, we use our own mathematical model, which takes into account the current change in water temperature, historical data and the main weather trends, wind strength and direction, air temperature in each specific region. We also take into account data for other resorts in Peru.

Annual graph of average water temperature change in San Isidro

Water temperature in San Isidro by month
San Isidro is located in the Arctic Circle, at latitude 12 degrees. The water temperature is comfortable for swimming here in 3 months of the year: in January, in February, in March, in October. Average annual water temperature on the coast in San Isidro is 64°F, by the seasons: in winter 62°F, in spring 61°F, in summer 67°F, in autumn 66°F. Minimum water temperature (58°F) in San Isidro it happens in July, maximum (72°F) in March.
You can find out detailed data on how the water temperature in San Isidro changes in each specific month:
San Isidro: general information and map
Neighboring cities and resorts
City | Water* | Distance** |
Surco | 69°C ![]() ![]() | 5km |
Lima | 69°C ![]() ![]() | 10km |
Callao | 69°C ![]() ![]() | 12km |
Punta Hermosa | 68°C ![]() ![]() | 35km |
San Bartolo | 69°C ![]() ![]() | 41km |
Pucusana | 67°C ![]() ![]() | 49km |
Chancay | 68°C ![]() ![]() | 65km |
** Straight line distance in kilometers

The warmest water today in Peru recorded in Tumbes, its value is 80°F. Lowest - in Pisco, there water temperature now 67°F. Average water temperature in the country today - 69°F.
Water temperature data in San Isidro and neighboring towns and resorts collected from various sources, using buoys, using satellite maps of sea, river and lake surfaces of the NOAA agency.
We use data from various local authorities in each specific location of the world to more accurately reflect temperature values.
The nearest airport is located in a 12 kilometers. This is Jorge Chávez International (LIM) airport. We have no information as to whether it is valid and what flights it receives or sends.
San Isidro: weather forecast
The weather forecast is shown in local time in San Isidro


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