Houston UV index in January

Typical ultraviolet levels for Houston during January, from the past year of data.

Moderate Houston

Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.

January average UTC

January UV
3.3538
Risk level
Moderate
Yearly peak
11.96
Peak month
July

Houston UV index — monthly trend

Average UV index by month over the past year, with January highlighted.

Visiting Houston in January?

In January, Houston's typical UV index is about 3.3538 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.

Across the year, Houston sees the strongest UV in Summer, peaking around 11.96 in July. Plan sun protection accordingly.