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UV Index in Saint John's

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Today's UV index in Saint John's, Antigua and Barbuda Antigua and Barbuda will be up to 12.9, indicating a extreme level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.

 

Today's tips

UV index at 12.9 in Saint John's means extreme risk; limit outdoor time from 10 a.m. to 4 p.m., use shade, protective clothing, SPF 30+ sunscreen, and sunglasses; watch for bright surfaces like water and snow increasing UV exposure.

Saint John's's UV Index

The UV index in Saint John's, Antigua and Barbuda is typically high due to its tropical location. On average, the UV index ranges from 7-12 during the peak sun hours, indicating a very high risk of sunburn.

Weather Seasons

UV index

Saint John's experiences two main seasons: the dry season from December to May and the wet season from June to November. The dry season is cooler and less humid, while the wet season is warmer and more humid, with regular rainfall.

Saint John's's Climate

Compared to its region and neighboring countries, Saint John's is warmer and receives more sunshine throughout the year due to its location near the equator. While other Caribbean islands may experience occasional cooler temperatures or hurricanes, Saint John's climate remains relatively stable and pleasant.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Saint John's. It's designed to provide you with a better understanding of the yearly weather and sun exposure.

Disclaimer

* This page's content about the UV index in Saint John's (Antigua and Barbuda) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.