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Sun and Heat Abroad: The Questions People Actually Ask

Sun and Heat Abroad: straight answers to the questions people actually ask, with the figures behind them.

Sofia Lindqvist, MPH Public health writer 3 min read 1 views
Sun and Heat Abroad: The Questions People Actually Ask

Protecting against UV and managing heat in hotter climates.

Key takeaways

  • Sunscreen: at least SPF 30 with 4-star or 5-star UVA, reapplied every 2 hours
  • Peak UV: usually 11am to 3pm
  • Most useful single change: Use shade and clothing first; sunscreen last.
  • Commonest mistake: Midday sun exposure in hot climates.
  • See a doctor if any of the signs under "When to speak to a doctor" below apply to you.

What is Sun and Heat Abroad?

Protecting against UV and managing heat in hotter climates.

Why does it matter?

Heatstroke is a medical emergency, and sunburn abroad is where a substantial share of lifetime UV damage is acquired.

Peak UV for Sun and Heat Abroad?

Usually 11am to 3pm.

Heat exhaustion for Sun and Heat Abroad?

Cool the person and rehydrate; should improve within 30 minutes.

Higher risk for Sun and Heat Abroad?

Older adults, young children, some medicines.

What is the single most useful thing to do?

Use shade and clothing first; sunscreen last.

What is the most common mistake?

Midday sun exposure in hot climates.

When should I see a doctor?

Call 999 for heatstroke: a temperature above 40C with confusion, seizures, loss of consciousness, hot dry skin or rapid breathing — cool the person aggressively while waiting. Seek help if heat exhaustion does not improve within thirty minutes of cooling and rehydration.

Where to go next

When to speak to a doctor

Call 999 for heatstroke: a temperature above 40C with confusion, seizures, loss of consciousness, hot dry skin or rapid breathing — cool the person aggressively while waiting. Seek help if heat exhaustion does not improve within thirty minutes of cooling and rehydration.

Where this comes from

  • NHS — Heat exhaustion and heatstroke
  • NHS — Sunscreen and sun safety

How this page was put together

Every figure, recommendation and warning above is taken from the guidance named in Where this comes from. Nothing on this page is inferred, summarised or generalised beyond what those bodies publish: where they give a number, it is their number, and where they are silent, so are we. Pages are rebuilt whenever the underlying record changes. Sign-off by a named clinician, where it has happened, is shown at the top of the page along with the date.

Medical disclaimer

This article is general information, not medical advice. It cannot account for your own history, medication or circumstances. Always speak to a GP, pharmacist or another qualified health professional before making changes that affect your treatment, and never delay seeking medical advice because of something you have read here. In an emergency, call 999.

Spotted something wrong? Report an error on this page. We correct on the page and say what changed.

Frequently asked questions

Protecting against UV and managing heat in hotter climates.
Heatstroke is a medical emergency, and sunburn abroad is where a substantial share of lifetime UV damage is acquired.
Usually 11am to 3pm.
Cool the person and rehydrate; should improve within 30 minutes.
Older adults, young children, some medicines.
Use shade and clothing first; sunscreen last.
Midday sun exposure in hot climates.
Call 999 for heatstroke: a temperature above 40C with confusion, seizures, loss of consciousness, hot dry skin or rapid breathing — cool the person aggressively while waiting. Seek help if heat exhaustion does not improve within thirty minutes of cooling and rehydration.

Sofia Lindqvist

Public-health writer with a background in infectious disease communication. Her rule for this section: if a claim cannot be traced to a named guideline, it does not get published.

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