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November Weather in San Isidro, Costa Rica

Last updated: August 23, 2025

In San Isidro, Costa Rica, the average temperature in November hovers around 22°C (72°F). Expect a cozy minimum of 19°C (67°F) and a pleasant maximum of 25°C (77°F). Be prepared for considerable rainfall, with an average precipitation of 885 mm (34.8 in) over 30 days and a high average humidity of 80%.

November Temperature in San Isidro

In November in San Isidro, the average temperature is 22°C (72°F). The maximum can reach 25°C (77°F), while the minimum can dip to as low as 19°C (67°F). This mild climate makes San Isidro an ideal destination for outdoor activities and sightseeing.

November Weather in San Isidro: Daily Temperature Highs, Lows, and Averages

The chart illustrates November temperature patterns in San Isidro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Isidro, November typically has an average temperature of 22°C (72°F), with highs reaching up to 25°C (77°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec727273737373727272727271
Data source: Temperature data for San Isidro generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

November Precipitation in San Isidro

In San Isidro in November, the precipitation amount is 885 mm (34.8 in) over a period of 30 days.

November Precipitation Trends in San Isidro

The chart displays monthly precipitation patterns in San Isidro, with values for each month alongside November’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how November’s conditions compare to those of other months. In San Isidro, November typically receives around 885 mm (34.8 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec19499120350742663784838766937885354
Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.
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November Humidity in San Isidro

In San Isidro in November humidity is 80%. With an average temperature of 22°C (72°F), this humidity feels like a warm, enveloping blanket that can quickly sap your energy while traveling, making you feel sticky and uncomfortable if you're not prepared.

November Average Humidity in San Isidro

This chart illustrates the average monthly humidity levels in San Isidro, with November’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In November, average humidity in San Isidro is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%68%66%67%69%84%85%82%81%80%80%73%
Data source: Humidity data for November generated using information from the Copernicus Climate Change Service.

November UV Index in San Isidro

In San Isidro in November, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Isidro.

Maximum UV Index Levels in San Isidro for November

The chart shows the monthly maximum UV Index (UVI) for San Isidro in November, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In November, the maximum UV index in San Isidro typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415151514141414141211
Data source: San Isidro November UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How November Weather in San Isidro Compares to Other Months

Weather in San Isidro varies notably across the year, with each month offering distinct climate conditions. This page compares November’s weather to other months in San Isidro, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Isidro, showing how November’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)194 mm (7.6 inches)68%extreme
February Weather22°C (73°F)99 mm (3.9 inches)68%extreme
March Weather23°C (73°F)120 mm (4.7 inches)66%extreme
April Weather23°C (73°F)350 mm (13.8 inches)67%extreme
May Weather23°C (73°F)742 mm (29.2 inches)69%extreme
June Weather23°C (73°F)663 mm (26.1 inches)84%extreme
July Weather22°C (73°F)784 mm (30.8 inches)85%extreme
August Weather22°C (73°F)838 mm (33.0 inches)82%extreme
September Weather22°C (72°F)766 mm (30.1 inches)81%extreme
October Weather22°C (72°F)937 mm (36.9 inches)80%extreme
November Weather22°C (72°F)885 mm (34.8 inches)80%extreme
December Weather22°C (72°F)354 mm (13.9 inches)72%extreme

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