Costa RicaThe weather in October in Unión
It's warm in October in Unión 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 20°C and 21°C.
Looking for sun? October isn’t a good month to be in Unión. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in October for Unión, Costa Rica. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 34°C in 2020, Unión reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 20°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 26°C.
Rainfall amount
In October, there is an average of 327 mm of precipitation, spread over 25 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in October for Unión
Click on any day in October to get detailed info about the usual weather on that day in Unión. Check out the historical temperatures and precipitation over the past 10 years on this day.
October weather comparison
| Unión | New York | |
|---|---|---|
| Average temperature | 28°C | 21°C |
| Max. temperature | 29°C | 26°C |
| Min. temperature | 20°C | -5°C |
| Total precipitation | 327 mm | 119 mm |
| Rainy days | 25 days | 13 days |
Start of October
The month of October starts in Unión with hot temps, averaging around 29°C during the day and nights around 21°C.
Mid October
By mid-October, daytime temps stay steady at around 29°C, with nights around 21°C. There’s a high chance of precipitation during this time.
End of October
By the end of October, the average daytime temperature in Unión is around 29°C, while nighttime temps are about 21°C. There’s a significant chance of many days with precipitation.
Find affordable trips to Unión
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.
The hurricane season in Unión runs from June to November.
Check out the climate of Unión for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in October in Unión, Costa Rica. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in October in Unión
Temperature in October in Unión over the years
Precipitation charts
These charts show the average amount of precipitation in October in Unión, Costa Rica. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in October in Unión
Total precipitation in October in Unión over the years
Daily UV index in October in Unión
This chart shows the average daily UV index in October in Unión, 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.
Weather experiences in October in Unión
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Average weather in Unión by month
Click on a month below to see detailed weather info for Unión. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.