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UV Index in Botswana

Live UV forecast for 25 cities

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UV climate of Botswana: overview

Botswana stretches from -25.4167° to -19.9833° latitude (Southern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 9.3 in Maun (peak in January), while in Janeng the yearly maximum is only ≈ 8.8. As in the whole Southern hemisphere, the sun is strongest from November to February — opposite to Europe and North America.

UV index by month by climate zone

ZoneCitiesJFMAMJJASONDPeak
Tropical11 9.2 9 8.5 7.6 6.7 6 6.3 7.1 8 8.8 9.1 9.2 9.2
Subtropical14 8.9 8.7 8.1 7 6 5.4 5.6 6.6 7.5 8.3 8.8 8.9 8.9

Calculated clear-sky noon peaks at the average latitude of each zone. Real values vary with clouds, altitude and ozone.

Sunniest cities in Botswana (highest UV)

Maun · 9.3 in January Tutume · 9.3 in January Francistown · 9.2 in January Ghanzi · 9.2 in January Letlhakane · 9.2 in January

Cities with the mildest sun

Janeng · max 8.8 Tlokweng · max 8.9 Thamaga · max 8.9 Ramotswa · max 8.9 Mosopa · max 8.9

When do you need SPF in Botswana?

Using Gaborone as a reference: the UV index reaches 6+ in January, February, March, April, May, August, September, October, November and December. In the sunniest zones (see table) SPF 30–50+ is needed almost year-round; in the mildest — only in late spring and summer.

FAQ: UV index in Botswana

What is the highest UV index in Botswana?

The calculated clear-sky maximum is ≈ 9.3 — in Maun around January. Values above this occur only near the equator and in high mountains.

Which city in Botswana is the sunniest?

Maun (peak ≈ 9.3), followed by Tutume and Francistown. The mildest sun is in Janeng (max ≈ 8.8).

When is SPF needed in Botswana?

In Gaborone and similar latitudes the UV reaches 6+ in January, February, March, April, May, August, September, October, November and December: use SPF 30–50+ on sunny days. Protection is advised from UV 3.

Is UV 11+ possible in Botswana?

No — the local maximum is ≈ 9.3. UV 11+ occurs only near the equator, in deserts and high mountains.