Costa RicaThe weather in March in Unión
It's hot in March in Unión with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 31°C. At night, you can expect temperatures between 20°C and 22°C.
March is an awesome month to be in Unión for sunny weather. You’ll have high temperatures and not much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in March 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 37°C in 2020, Unión reached the highest temperature in March over the past 10 years. The lowest daytime temperature in this month was 24°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 26°C.
Rainfall amount
According to weather history, there is only 2,7 mm of precipitation in March. The wind speed is around 5 Bft, mostly coming from the East.
Daily weather in March for Unión
Click on any day in March 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.
March weather comparison
| Unión | New York | |
|---|---|---|
| Average temperature | 31°C | 11°C |
| Max. temperature | 31°C | 14°C |
| Min. temperature | 20°C | -5°C |
| Total precipitation | 2,7 mm | 63 mm |
| Rainy days | 1 day | 10 days |
Start of March
The month of March starts in Unión with hot temps, averaging around 31°C during the day and nights around 21°C.
Mid March
By mid-March, daytime temps stay steady at around 31°C, with nights around 22°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.
End of March
By the end of March, the average daytime temperature in Unión is around 31°C, while nighttime temps are about 21°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Unión for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in March 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 March in Unión
Temperature in March in Unión over the years
Precipitation charts
These charts show the average amount of precipitation in March 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 March in Unión
Total precipitation in March in Unión over the years
Daily UV index in March in Unión
This chart shows the average daily UV index in March 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 March 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.