Navigation

External Links

ThorntonWeather.com on Twitter

ThorntonWeather.com on Facebook

Alerts


No alerts

UV Index Summary

Data last updated 12/21/2024 04:40 AM.

 Daily DetailMonthly SummarySeasonal Summary 

Maximum UV Index
DateJanFebMarAprMayJunJulAugSepOctNovDecYear
20242.0 3.6 5.3 7.7 8.9 9.9 9.4 10.6 8.1 5.7 3.8 2.4* 10.6*
20232.5 4.0 6.2 8.3 10.0 9.8 9.8 9.2 7.7 5.3 3.0 1.3 10.0
20222.1 3.9 6.1 7.6 9.0 10.6 10.0 8.8 7.3 5.0 2.9 1.7 10.6
20212.4 4.2 7.5 8.4 11.0 10.3 10.1 8.4 7.6 5.3 2.6 1.3 11.0
20202.0 4.1 7.9 8.7 10.5 11.8 11.3 9.2 7.2 4.8 3.1 1.7 11.8
20193.0 5.1 7.0 9.2 10.0 11.1 12.2 10.4 8.1 6.2 4.0 1.9 12.2
20182.5 4.5 8.0 9.2 10.5 11.9 10.7 9.9 8.0 5.9 3.4 1.7 11.9
20172.7 4.5 8.1 9.8 10.7 11.7 13.4 10.2 7.5 5.7 3.4 2.0 13.4
20162.7 4.6 8.2 9.7 11.9 12.8 12.7 11.2 10.0 6.4 3.8 2.5 12.8
20153.0 5.1 7.5 9.8 11.3 13.8 12.9 11.8 9.6 7.0 4.1 2.2 13.8
20143.1 4.9 6.8 9.8 12.9 12.5 13.0 12.7 10.5 7.4 4.0 2.6 13.0
20133.8 5.0 8.6 10.1 12.0 14.2 13.8 12.1 10.0 6.9 4.7 2.4 14.2
20123.1 5.1 9.8 12.7 12.8 13.4 14.6 12.6 10.8 6.8 4.2 2.6 14.6
20113.2 5.6 9.4 11.6 14.2 14.7 15.1 13.7 10.6 7.0* 5.3* 2.9 15.1
20103.0 4.4 9.2 11.2 13.1 14.3 14.3 13.9 10.7 6.9 4.6 3.0 14.3
2009------------------------8.2* 7.2 4.8 2.7 8.2*
Max3.8 5.6 9.8 12.7 14.2 14.7 15.1 13.9 10.8 7.4 5.3 3.0 15.1
 
Average Maximum UV Index
DateJanFebMarAprMayJunJulAugSepOctNovDecYear
20241.2 0.7 less than the January average.2.4 0.7 less than the February average.4.0 1.2 less than the March average.5.5 1.7 less than the April average.7.1 1.7 less than the May average.8.7 1.2 less than the June average.8.4 1.9 less than the July average.8.5 0.3 less than the August average.6.9 0.1 more than the September average.4.6 0.2 more than the October average.2.5  1.9* 0.3 more than the December average.5.2* 0.7 less than the yearly average.
20231.5 0.4 less than the January average.2.5 0.6 less than the February average.4.2 1 less than the March average.5.8 1.4 less than the April average.7.4 1.4 less than the May average.8.1 1.8 less than the June average.8.8 1.5 less than the July average.7.6 1.2 less than the August average.5.8 1 less than the September average.3.7 0.7 less than the October average.1.8 0.7 less than the November average.1.0 0.6 less than the December average.4.9 1 less than the yearly average.
20221.4 0.5 less than the January average.2.6 0.5 less than the February average.3.9 1.3 less than the March average.6.2 1 less than the April average.7.5 1.3 less than the May average.8.8 1.1 less than the June average.8.9 1.4 less than the July average.7.6 1.2 less than the August average.5.6 1.2 less than the September average.3.6 0.8 less than the October average.1.9 0.6 less than the November average.1.2 0.4 less than the December average.4.9 1 less than the yearly average.
20211.5 0.4 less than the January average.2.7 0.4 less than the February average.4.9 0.3 less than the March average.6.6 0.6 less than the April average.7.6 1.2 less than the May average.9.1 0.8 less than the June average.8.1 2.2 less than the July average.6.9 1.9 less than the August average.5.6 1.2 less than the September average.3.8 0.6 less than the October average.1.8 0.7 less than the November average.1.2 0.4 less than the December average.5.0 0.9 less than the yearly average.
20201.5 0.4 less than the January average.2.7 0.4 less than the February average.4.9 0.3 less than the March average.6.4 0.8 less than the April average.9.1 0.3 more than the May average.9.6 0.3 less than the June average.9.7 0.6 less than the July average.6.9 1.9 less than the August average.5.2 1.6 less than the September average.3.4 1 less than the October average.2.1 0.4 less than the November average.1.3 0.3 less than the December average.5.2 0.7 less than the yearly average.
20192.0 0.1 more than the January average.3.1  4.8 0.4 less than the March average.6.7 0.5 less than the April average.7.9 0.9 less than the May average.9.5 0.4 less than the June average.9.8 0.5 less than the July average.8.5 0.3 less than the August average.6.6 0.2 less than the September average.3.7 0.7 less than the October average.2.1 0.4 less than the November average.1.4 0.2 less than the December average.5.5 0.4 less than the yearly average.
20181.7 0.2 less than the January average.2.8 0.3 less than the February average.5.0 0.2 less than the March average.6.9 0.3 less than the April average.8.2 0.6 less than the May average.9.5 0.4 less than the June average.9.1 1.2 less than the July average.7.8 1 less than the August average.6.6 0.2 less than the September average.4.1 0.3 less than the October average.2.2 0.3 less than the November average.1.4 0.2 less than the December average.5.5 0.4 less than the yearly average.
20172.0 0.1 more than the January average.3.3 0.2 more than the February average.5.2  7.3 0.1 more than the April average.8.8  9.7 0.2 less than the June average.10.1 0.2 less than the July average.8.4 0.4 less than the August average.4.3 2.5 less than the September average.3.5 0.9 less than the October average.1.8 0.7 less than the November average.1.5 0.1 less than the December average.5.5 0.4 less than the yearly average.
20162.1 0.2 more than the January average.3.3 0.2 more than the February average.5.4 0.2 more than the March average.7.4 0.2 more than the April average.8.9 0.1 more than the May average.4.8 5.1 less than the June average.10.9 0.6 more than the July average.8.9 0.1 more than the August average.7.5 0.7 more than the September average.4.6 0.2 more than the October average.2.8 0.3 more than the November average.1.7 0.1 more than the December average.5.7 0.2 less than the yearly average.
20152.2 0.3 more than the January average.3.3 0.2 more than the February average.5.8 0.6 more than the March average.7.4 0.2 more than the April average.8.8  11.4 1.5 more than the June average.10.8 0.5 more than the July average.9.1 0.3 more than the August average.7.5 0.7 more than the September average.4.8 0.4 more than the October average.2.6 0.1 more than the November average.1.7 0.1 more than the December average.6.3 0.4 more than the yearly average.
20142.2 0.3 more than the January average.3.5 0.4 more than the February average.5.3 0.1 more than the March average.7.7 0.5 more than the April average.10.1 1.3 more than the May average.11.0 1.1 more than the June average.11.1 0.8 more than the July average.10.2 1.4 more than the August average.7.7 0.9 more than the September average.5.1 0.7 more than the October average.2.7 0.2 more than the November average.1.8 0.2 more than the December average.6.6 0.7 more than the yearly average.
20132.3 0.4 more than the January average.3.6 0.5 more than the February average.6.1 0.9 more than the March average.7.6 0.4 more than the April average.10.3 1.5 more than the May average.11.4 1.5 more than the June average.11.5 1.2 more than the July average.9.7 0.9 more than the August average.7.3 0.5 more than the September average.4.8 0.4 more than the October average.3.0 0.5 more than the November average.1.8 0.2 more than the December average.6.6 0.7 more than the yearly average.
20122.3 0.4 more than the January average.3.9 0.8 more than the February average.6.6 1.4 more than the March average.9.2 2 more than the April average.10.7 1.9 more than the May average.11.7 1.8 more than the June average.11.9 1.6 more than the July average.9.6 0.8 more than the August average.7.6 0.8 more than the September average.4.9 0.5 more than the October average.2.9 0.4 more than the November average.2.0 0.4 more than the December average.7.0 1.1 more than the yearly average.
20112.4 0.5 more than the January average.3.8 0.7 more than the February average.6.1 0.9 more than the March average.9.4 2.2 more than the April average.10.0 1.2 more than the May average.12.4 2.5 more than the June average.13.2 2.9 more than the July average.11.4 2.6 more than the August average.8.2 1.4 more than the September average.5.6* 1.2 more than the October average.3.2* 0.7 more than the November average.2.2 0.6 more than the December average.7.3 1.4 more than the yearly average.
20102.2 0.3 more than the January average.2.9 0.2 less than the February average.5.7 0.5 more than the March average.8.2 1 more than the April average.10.3 1.5 more than the May average.12.2 2.3 more than the June average.12.5 2.2 more than the July average.11.4 2.6 more than the August average.8.5 1.7 more than the September average.5.5 1.1 more than the October average.3.1 0.6 more than the November average.2.2 0.6 more than the December average.7.1 1.2 more than the yearly average.
2009------------------------7.6* 0.8 more than the September average.4.8 0.4 more than the October average.3.1 0.6 more than the November average.1.9 0.3 more than the December average.3.6* 2.3 less than the yearly average.
Avg1.9 3.1 5.2 7.2 8.8 9.9 10.3 8.8 6.8 4.4 2.5 1.6 5.9
 
Minimum Maximum UV Index
DateJanFebMarAprMayJunJulAugSepOctNovDecYear
20240.5 0.0 1.9 2.1 4.6 6.9 6.7 3.9 5.7 1.6 0.8 0.0* 0.0*
20230.0 0.6 2.2 1.2 1.5 3.1 4.6 2.3 3.9 1.1 0.5 0.6 0.0
20220.5 0.6 0.6 4.6 2.4 5.7 7.7 6.2 1.6 2.1 0.5 0.5 0.5
20210.7 1.2 1.7 0.9 3.5 7.7 5.0 1.7 2.6 1.8 1.1 0.9 0.7
20201.2 0.5 1.4 0.6 5.1 5.4 8.1 3.7 2.3 0.6 0.6 0.5 0.5
20191.3 0.8 1.3 1.2 3.7 8.4 8.9 7.3 5.5 0.9 0.0 0.6 0.0
20180.6 0.6 3.1 3.1 3.5 7.6 5.1 5.4 2.7 1.9 0.6 0.5 0.5
20170.6 1.1 1.6 0.0 2.3 0.0 0.0 3.6 0.0 0.0 0.0 1.2 0.0
20160.5 0.9 0.8 3.2 2.0 0.0 7.5 3.9 5.4 1.4 1.1 0.6 0.0
20151.0 0.7 1.8 3.0 2.7 10.2 6.0 6.7 6.5 1.6 0.6 0.5 0.5
20140.6 0.7 1.5 2.7 3.0 9.1 4.3 4.5 3.5 2.0 0.9 1.0 0.6
20131.4 1.6 1.8 0.8 6.7 4.8 8.6 3.4 0.0 1.1 1.2 0.8 0.0
20121.6 1.3 2.3 1.3 5.8 9.2 7.5 4.6 2.8 2.5 0.6 0.8 0.6
20110.5 1.2 1.7 6.9 2.5 7.6 11.7 8.9 2.0 1.5* 0.0* 0.5 0.0
20100.9 1.1 0.8 3.2 3.7 7.5 5.8 10.3 4.6 2.4 1.3 0.6 0.6
2009------------------------6.9* 0.8 1.7 0.7 0.7*
Min0.0 0.0 0.6 0.0 1.5 0.0 0.0 1.7 0.0 0.0 0.0 0.0 0.0
* denotes incomplete data for the month/year.
 
UV Level UV Index Description
Low 0-2 No danger to the average person.
Moderate 3-5 Little risk of harm from unprotected sun exposure.
High 6-7 High risk of harm from unprotected sun exposure.
Very High 8-10Very high risk of harm from unprotected sun exposure.
Extreme 11+ Extreme risk of harm from unprotected sun exposure.

Script Developed by Murry Conarroe of Wildwood Weather.