Costa RicaAverage weather for Guanacaste in October
It's hot in October in Guanacaste with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 22°C and 23°C.
Start of October
The month of October starts in Guanacaste with hot temps, averaging around 31°C during the day and nights around 23°C. There are plenty of days with a good chance of precipitation.
Mid October
By mid-October, daytime temps stay steady at around 31°C, with nights around 23°C. There’s a high chance of precipitation during this time.
End of October
By the end of October, the average daytime temperature in Guanacaste is around 31°C, while nighttime temps are about 23°C. There’s a significant chance of many days with precipitation.
In October, there is an average of 384 mm of precipitation, spread over 18 days. The wind speed is around 4 Bft, mostly coming from the South.
Guanacaste in October |
New York | ||
|---|---|---|---|
 Average temperature |
31°C | 21°C | |
 Max. temperature |
32°C | 26°C | |
| Min. temperature |
30°C | -5°C | |
 Total precipitation |
384 mm | 119 mm | |
| Rainy days |
18 days | 13 days | |
September
UV index
The UV index is a maximum of 8 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 October a good time to visit Guanacaste?
Looking for sun? October isn’t a good month to be in Guanacaste. The temperature is nice, but there’s too much chance of rain.
The hurricane season in Guanacaste runs from June to November.
Temperature records
With 34°C in 2015, Guanacaste reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 24°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 17°C to a highest value of 25°C.
Check out the climate of Guanacaste for all months and discover the best travel time
Daily Temperature in October in Guanacaste
This chart shows the average daily high and low temperatures in October for Guanacaste, 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 October in Guanacaste
The chart below shows the average daily precipitation in October for Guanacaste, 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 October, you can expect about 18 days of precipitation in Guanacaste.
Daily UV index in October in Guanacaste
This chart shows the average daily UV index in October in Guanacaste, 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 October in Guanacaste over the years
This chart shows the average temperature in October in Guanacaste, measured in degrees Celsius, over the past few years.
Total precipitation in October in Guanacaste over the years
This chart shows the average precipitation in October in Guanacaste, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in October for Guanacaste
Click on any day in October to get detailed info about the usual weather on that day in Guanacaste. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in October in Guanacaste
Have you been to Guanacaste in October?
Share your weather experience in October in Guanacaste.
Average weather in Guanacaste by month
Click on a month below to see detailed weather info for Guanacaste. 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 Guanacaste for all months at once
