What’s the climate like in San Carlos?
The current climate of San Carlos features average monthly temperatures ranging from highs of 30°C during the day to lows of 26°C. The average yearly temperature is around 28°C. At night, temperatures in the colder months average around 18°C and in the warmer months around 22°C.
The highest temperature recorded in San Carlos in recent years was 34°C in February 2023. The lowest daytime temperature recorded was 20°C in November 2016.
On average, San Carlos receives 3845 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
The hurricane season in San Carlos runs from June to November.
Best time to visit San Carlos?
The best time to visit San Carlos for pleasant to warm weather is January through March. There might be some rain during this period, but the temperatures are just right for exploring San Carlos.
Climate Table of San Carlos
The climate table of San Carlos shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 27 | 30 | 30 | 29 | 28 | 28 | 26 | 27 | 26 | 28 | 27 | 28 |
| Temp. min (°C) | 20 | 22 | 22 | 23 | 20 | 21 | 22 | 20 | 19 | 22 | 20 | 22 |
| Precipitation |  |
|
|
|
|
|
|
|
|
|
|
|
| Precipitation (mm) | 32 | 70 | 71 | 231 | 273 | 461 | 669 | 205 | 476 | 773 | 406 | 178 |
| UV Index | 8 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 7 | 8 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 28°C
- Highest temperature: 30°C in February and March
- Lowest temperature: 26°C in July and September
- Precipitation: 3845 mm per year, averaging 320 mm per month
- Driest months: 32 mm in January, 70 mm in February and 71 mm in March
- Wettest months: 773 mm in October, 669 mm in July and 476 mm in September
Table of Contents
Average Temperature per Month in San Carlos
This graph shows the average maximum temperatures per month in San Carlos, Costa Rica. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in San Carlos
This graph shows how much precipitation San Carlos, Costa Rica, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in San Carlos
This graph shows the average UV index per month in San Carlos, Costa Rica. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in San Carlos
This graph shows the average yearly temperature in San Carlos, Costa Rica. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in San Carlos
This chart shows the total yearly precipitation in San Carlos, Costa Rica, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences in San Carlos
Have you been to San Carlos?
Share your weather experiences in San Carlos.
Average Weather in San Carlos by Month
Click on a month below to see detailed weather info for San Carlos. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
