Weather Forecasts, Road Conditions, and Weather Radar for SH 16 Northwestern Motorway

Road Trip and Weather Conditions for SH 16 Northwestern Motorway

The SH 16 Northwestern Motorway in New Zealand is a major highway connecting Auckland city centre to its western suburbs. The motorway is 108km in length and has four lanes in each direction, with a speed limit of 100km/h. The road surface is generally in good condition and is well maintained by the New Zealand Transport Agency. The lane width is 3.5m per lane, and the road has a good sightline for drivers. There are several lay-bys and service areas along the route for drivers to take a break or refuel. The motorway also has several overhead signposts and gantries to inform drivers of upcoming road conditions. The motorway is well lit at night and has several cameras to monitor traffic speeds and flow.

The SH 16 Northwestern Motorway experiences a wide range of weather conditions throughout the year. During summer, the temperature typically ranges between 17-26 degrees Celsius, with the occasional heatwave reaching up to 30 degrees Celsius. Rainfall is relatively low, with an average of 50 mm of rainfall per month. Winds usually remain between 10-20 km/h, with occasional gusts reaching up to 35 km/h.

In autumn, temperatures fluctuate between 10-18 degrees Celsius, with rainfall increasing to an average of 80 mm per month. Winds remain consistent with summer months, ranging between 10-20 km/h, though gusts can reach up to 40 km/h.

Winter is the coldest season, with temperatures dropping to as low as 0 degrees Celsius. Rainfall also increases significantly during this time, reaching an average of 120 mm per month. Winds also pick up, with an average of 15-25 km/h, and gusts reaching up to 45 km/h.

Finally, in spring, temperatures begin to rise again, ranging between 12-22 degrees Celsius. Rainfall decreases slightly to an average of 90 mm per month. Winds remain consistent with the winter months, ranging between 15-25 km/h, with occasional gusts of up to 40 km/h.

Major Junctions of SH 16 Northwestern Motorway

• SH 16 has a major junction with SH 1 in Auckland.
• SH 16 has a major junction with SH 20 in Point Chevalier.
• SH 16 has a major junction with SH 1 in Wellsford.

This map shows the current & 7-day weather forecast, road conditions, and weather radar for SH 16 Northwestern Motorway.