Organisers have high hopes for a big turnout on Saturday, December 4, with entertainment starting from the town hall at 3pm ahead of the switch-on later in the afternoon.
This year, the town's illuminations will be switched on by Peter Simons, from Thornhill Junior and Infant School, who was recently crowned Primary School Teacher of the Year at a national awards ceremony.
Here we look back at some of Dewsbury' s Christmas lights switch-ons in previous years.
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Dewsbury Christmas lights switch-on 2012. Emmerdale's Lucy Pargeter (Chas Dingle) turns on the town's Christmas lights
. Festive fun
Isla Delaney on the rides at the Dewsbury Christmas lights switch-on in 2015
. All smiles
Harry Delaney on the rides at the Dewsbury Christmas lights switch-on in 2015
. Snow globe
Revellers visit the snow globe at the Dewsbury Christmas lights switch-on in 2015
. Push the button
Santa along with Terry the Terrier, Dewsbury Mayoress Susan Bedford, Bishop Jonathan Gibb, Mayor of Dewsbury Paul Kane, Jacqui Blay of Pulse and Vic Watson, Huddersfield Town Crier, switch on the lights in Dewsbury in 2015
3. Festive fun
Isla Delaney on the rides at the Dewsbury Christmas lights switch-on in 2015
4. All smiles
Harry Delaney on the rides at the Dewsbury Christmas lights switch-on in 2015