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.
3.4
UV Index
January average
Low
Moderate
High
Very High
Extreme
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.
