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UV Index in Saint John's, AG

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Today's UV index in Saint John's, Antigua and Barbuda Antigua and Barbuda will be up to 12.4, indicating extreme risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.

 

Today's tips

UV index at 12.4 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 Weather

Read more here about the climate and sun exposure in and around Saint John's.

UV Index in Saint John's

The UV index in Saint John's, Antigua and Barbuda ranges from moderate to high throughout the year. During the sunny months of May to August, the UV index can reach 10 (very high) in the peak of the day, so it is essential to take appropriate sun protection measures. However, even during the milder months from November to February, the UV index can still be as high as 7 (high).

Weather Seasons

UV index

Saint John's, Antigua and Barbuda experiences a tropical climate, with two distinct weather seasons. The wet season, which runs from June to November, brings higher humidity and frequent rain showers. The dry season, lasting from December to May, offers cooler temperatures and less rainfall. The average temperature in Saint John's ranges from 26 °C to 30 °C (79 °F to 86 °F) throughout the year.

Saint John's's Climate

Compared to other regions, Saint John's, Antigua and Barbuda receives a high amount of sun exposure due to its location and tropical climate. The Caribbean region generally experiences sunny weather and warm temperatures, attracting tourists seeking beach vacations. However, it is important to be aware of the strong UV index and take precautions such as using sunscreen, wearing hats, and seeking shade during peak sun hours to avoid sunburn and overexposure to the sun's rays.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day 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.