Allentown UV index in January

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

Low Allentown

Low UV. You can safely enjoy being outside; the sun's rays are not very strong.

January average

January UV
1.4345
Risk level
Low
Yearly peak
9.7109
Peak month
July

Allentown UV index — monthly trend

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

How this is calculated

Visiting Allentown in January?

In January, Allentown's typical UV index is about 1.4345 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.

Across the year, Allentown sees the strongest UV in Summer, peaking around 9.7109 in July. Plan sun protection accordingly.