Average weather for Guanacaste in June
It's hot in June in Guanacaste with an average temperature of 32°C. Temperatures this month range from a low of 32°C to a high of 33°C. At night, you can expect temperatures between 23°C and 24°C.
Start of June
The month of June starts in Guanacaste with hot temps, averaging around 33°C during the day and nights around 24°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid June
By mid-June, daytime temps drop to around 32°C, with nights around 24°C. There’s a high chance of precipitation during this time. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of June
By the end of June, the average daytime temperature in Guanacaste is around 33°C, while nighttime temps are about 24°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In June, there is an average of 220 mm of precipitation, spread over 15 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Guanacaste in June |
New York | ||
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32°C | 27°C | |
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33°C | 31°C | |
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32°C | -5°C | |
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220 mm | 78 mm | |
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15 days | 11 days |
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 June a good time to visit Guanacaste?
Looking for sun? June 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 36°C in 2015, Guanacaste reached the highest temperature in June over the past 10 years. The lowest daytime temperature in this month was 26°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 18°C to a highest value of 28°C.
Check out the climate of Guanacaste for all months and discover the best travel time
Daily Temperature in June in Guanacaste
This chart shows the average daily high and low temperatures in June 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 June in Guanacaste
The chart below shows the average daily precipitation in June 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 June, you can expect about 15 days of precipitation in Guanacaste.
Daily UV index in June in Guanacaste
This chart shows the average daily UV index in June 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 June in Guanacaste over the years
This chart shows the average temperature in June in Guanacaste, measured in degrees Celsius, over the past few years.
Total precipitation in June in Guanacaste over the years
This chart shows the average precipitation in June in Guanacaste, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in June for Guanacaste
Click on any day in June 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 June in Guanacaste
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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