Fresno UV index in January
Typical ultraviolet levels for Fresno during January, from the past year of data.
Low
Fresno
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
2
UV Index
January average UTC
Low
Moderate
High
Very High
Extreme
January UV
1.9917
Risk level
Low
Yearly peak
10.4849
Peak month
July
Fresno UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting Fresno in January?
In January, Fresno's typical UV index is about 1.9917 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Fresno sees the strongest UV in Summer, peaking around 10.4849 in July. Plan sun protection accordingly.