Climate Overview
The climate in Newport is temperate. The average annual temperature is 12°C and approximately 2139mm of precipitation falls per year. October is the wettest month, receiving around 406mm of rainfall. Newport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are December, January, March, when temperatures can drop to 6°C.
Temperature
Newport has relatively stable temperatures year-round, staying within a 10°C range. August is the warmest month, though highs remain moderate at 16°C with a mean of 14°C. December is the coolest month, with minimum temperatures around 6°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between November and December, with a 5°C shift in average temperatures.
Precipitation
Newport is a very wet location, receiving approximately 2139mm of precipitation annually, which averages out to around 178mm per month. The wettest month is October, averaging 406mm of rainfall. November and March also tend to see above-average precipitation. The driest month is August, with just 10mm. That's 396mm less than October, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Newport is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.
Seasons
52 days until Autumn
It is currently summer in Newport, which began on June 21, 2026. Newport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 16°C, while the coldest stretch bottoms out in December near 6°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.
Spring
Temperatures range from 9 to 14°C. Rainfall is heavy, totalling around 491mm across the season with a monthly average of 164mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 12 to 16°C. Rainfall is relatively light, with around 70mm over the season and a monthly average of 23mm. Winds are generally light, averaging 5km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 11 to 15°C. Rainfall is heavy, totalling around 813mm across the season with a monthly average of 271mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 6 to 12°C. Rainfall is heavy, totalling around 767mm across the season with a monthly average of 256mm. Winds are generally light, averaging 6km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Newport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
