Houston UV index in December
Typical ultraviolet levels for Houston during December, from the past year of data.
Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
December average
Houston UV index — monthly trend
Average UV index by month over the past year, with December highlighted.
Visiting Houston in December?
In December, Houston's typical UV index is about 3.5395 — 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.