Climate Insights for New Milton

The climate in New Milton is temperate. The average annual temperature is 12°C and approximately 995mm of precipitation falls per year. New Milton receives a notable amount of rainfall throughout the year, including during its driest month. New Milton 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 January, February, March, when temperatures can drop to 5°C.

New Milton sees moderate temperature variation throughout the year, ranging from 5°C to 20°C. August is the warmest month, though highs remain moderate at 20°C with a mean of 18°C. January is the coolest month, with minimum temperatures around 5°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

New Milton is a moderately rainy area, receiving approximately 995mm of precipitation annually, which averages out to around 83mm per month. The wettest month is October, averaging 119mm of rainfall. December and November also tend to see above-average precipitation. The driest month is April, with just 49mm. That's 70mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

New Milton is mildly breezy, with an average annual wind speed of 20km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 22km/h in winter, 18km/h in spring, 17km/h in summer, 20km/h in autumn.

It is currently summer in New Milton, which began on June 21, 2026. New Milton 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 20°C, while the coldest stretch bottoms out in January near 5°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The best time to visit New Milton is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 72mm per month. By contrast, January can be quite cold with temperatures dropping to 5°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for New Milton 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.