Rain may seem less dangerous than snow, but wet roads can quickly reduce traction and increase accident risk. Understanding how rainy conditions affect driving can help motorists stay safer on the road.

Federal transportation data show that approximately 46% of weather-related crashes occur during rainfall, compared with about 17% during snow or sleet conditions. However, these statistics do not necessarily mean rain is inherently more dangerous than snow in every situation, as driving exposure and driver behavior also influence crash rates.

Many drivers do not treat wet roads with the same caution they give to snow or ice. Roads may appear normal, but conditions can change rapidly once rainfall begins.

<h3>Check Tires Before It Rains</h3>

Tire tread is one of the most important safety factors in wet driving conditions.

A useful test is to insert a quarter upside down into the tread groove. If the top of Washington's head is visible, the tires may have less than approximately 4/32 inch of tread remaining, which can reduce wet-weather performance. Tires worn to 2/32 inch are generally considered legally worn out in many regions and provide significantly reduced traction on wet roads.

Proper tread depth helps channel water away from the tire surface and maintain contact with the road. Worn tires can allow water to build beneath the tire, increasing the risk of hydroplaning.

Drivers should also inspect windshield wipers before wet weather arrives. Streaking, skipping, or missed areas on the windshield are common signs that replacement may be necessary.

Make sure all vehicle lights — including headlights, brake lights, and turn signals — function correctly. Some regions legally require headlights whenever windshield wipers are operating. Even where it is not legally required, using headlights during rain improves visibility for both the driver and surrounding vehicles.

<h3>Slow Down in Wet Conditions</h3>

Wet pavement reduces tire traction and increases stopping distance, making lower speeds and greater following distances essential during rainy conditions.

Rather than reducing speed by a fixed percentage, drivers should adjust their speed according to traffic conditions, rainfall intensity, visibility, and road conditions.

Cruise control should also be turned off during rain. Maintaining manual control allows drivers to respond more naturally and quickly if road conditions suddenly change.

<h3>What to Do If the Car Hydroplanes</h3>

Hydroplaning occurs when water accumulates beneath the tires faster than the tires can disperse it, causing partial or complete loss of contact with the road surface.

If hydroplaning occurs:

- Keep the steering wheel steady

- Ease off the accelerator gradually

- Avoid sudden braking, acceleration, or sharp steering movements

- Allow the tires to regain contact with the road naturally

If a skid develops, focus on where you want the vehicle to travel and steer smoothly in that direction. Aggressive steering corrections or overcorrection can increase the loss of vehicle control.

Rainy conditions deserve the same level of caution drivers naturally give to snow and ice. Slowing down, maintaining vehicle equipment, and responding correctly during hydroplaning situations can significantly reduce risk. Safe driving depends on preparation, awareness, and responsible driving habits.