DWI Misdemeanor

Below are the penalties for an aggravated DWI in NH (misdemeanor).

The information on this website is for informational purposes only. You should consult with a NH DWI lawyer to discuss the specific penalties applicable in your case.

Aggravated DWI (misdemeanor)

Class A Misdemeanor

Jail Sentence

Minimum: 22 days, with 12 days suspended

Maximum: 1 year


Minimum: $750.00, plus 24% penalty assessment

Maximum: $2000.00, plus 24% penalty assessment

Most district courts require fines to be paid in full on the date of trial or sentencing.

Court-ordered Loss of License

Minimum: 18 months

Maximum: 2 years, or longer if certain other circumstances are alleged

Administrative License Suspension (ALS) by the NH DMV

Minimum: 6 months

Required Treatment

Referral to an Impaired Driver Care Management Program (IDCMP) to schedule a full substance use disorder evaluation.

A substance use disorder evaluation shall be scheduled within 30 days of release from jail, and completed within 60 days of release.

Compliance with the service plan provided from the substance use evaluation.

Failure to complete the program is considered contempt of court and will result in a 14 day jail sentence.

The court may impose additional treatment and/or counseling conditions as well, including random urine tests.

Ignition Interlock Requirement

Minimum: 1 years

Maximum: 2 years

Insurance Requirements

Proof of an SR-22 prior to reinstatement.

Other Penalties

6 demerit points

DWI convictions may affect the ability of US citizens to travel to other countries, including Canada, and may affect immigration status, visa, or future citizenship eligibility for non-US citizens. 

Major motor vehicle conviction which counts toward certification as an habitual offender.

Your Best Defense Starts Here

For aggressive representation and practical legal advice, contact the experienced New Hampshire attorneys at Samdperil & Welsh, PLLC today.
Exeter, NH
(603) 775-7570
Portsmouth, NH
(603) 436-4901