Average weather for San Carlos in May
It's warm in May in San Carlos with an average temperature of 28°C. Temperatures this month range from a low of 27°C to a high of 29°C. At night, you can expect temperatures between 19°C and 21°C.
Start of May
The month of May starts in San Carlos with hot temps, averaging around 29°C during the day and nights around 21°C. There are plenty of days with a good chance of precipitation.
With the temperature difference between day and night, it’s smart to wear layers.
Mid May
By mid-May, daytime temps drop to around 28°C, with nights around 21°C. There’s a high chance of precipitation during this time.
Since it cools down at night, it’s a good idea to wear layers.
End of May
By the end of May, the average daytime temperature in San Carlos is around 28°C, while nighttime temps are about 20°C. There’s a significant chance of many days with precipitation.
Because temperatures drop in the evening, wearing layers is recommended.
In May, there is an average of 273 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
San Carlos in May |
New York | ||
---|---|---|---|
![]() |
28°C | 22°C | |
![]() |
29°C | 28°C | |
![]() |
27°C | -5°C | |
![]() |
273 mm | 105 mm | |
![]() |
17 days | 14 days |
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit San Carlos?
Looking for sun? May isn’t a good month to be in San Carlos. The temperature is nice, but there’s too much chance of rain.
The hurricane season in San Carlos runs from June to November.
Temperature records
With 32°C in 2017, San Carlos reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 22°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 16°C to a highest value of 23°C.
Check out the climate of San Carlos for all months and discover the best travel time
Daily Temperature in May in San Carlos
This chart shows the average daily high and low temperatures in May for San Carlos, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in May in San Carlos
The chart below shows the average daily precipitation in May for San Carlos, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 17 days of precipitation in San Carlos.
Daily UV index in May in San Carlos
This chart shows the average daily UV index in May in San Carlos, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in San Carlos over the years
This chart shows the average temperature in May in San Carlos, measured in degrees Celsius, over the past few years.
Total precipitation in May in San Carlos over the years
This chart shows the average precipitation in May in San Carlos, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in May for San Carlos
Click on any day in May to get detailed info about the usual weather on that day in San Carlos. Check out the historical temperatures and precipitation over the past 10 years on this day.































Weather experiences in May in San Carlos
Have you been to San Carlos in May?
Share your weather experience in May 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.
Or check out the climate of San Carlos for all months at once