Weather in Southampton in March 2025
Average weather
Average temperature in Southampton in March
The temperature in March is +10°C on average, with a range between a maximum of +14°C during the day and a minimum of -1°C at night.
The average maximum temperature goes up 27% by the end of the month, compared with the beginning of the month, from +8°C to +12°C.
Is Southampton warm or cold in March?
Southampton is typically cool in March.
Maximum temperatures go up compared to the previous month from +8°C to +10°C. The minimum temperature also goes up from +3°C to +4°C.
Pack a sweater and a jacket as there will be cooler temperatures.
Take a look at how March is compared to other months in Southampton:
Climate in Southampton in March
| February | March | April | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +8°C | +10°C | +13°C | ||||
| Min. temperature | ||||||
| -9°C | -6°C | -3°C | ||||
| Max. temperature | ||||||
| +17°C | +21°C | +24°C | ||||
| Rainfall | ||||||
| 53 mm | 57 mm | 57 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 84% | 82% | 78% | ||||
| Air pressure | ||||||
| 1016 HPa | 1014 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 2 | 3 | 4 | ||||
| Cloudy days | ||||||
| 11 | 11 | 9 | ||||
| Rainy days | ||||||
| 14 | 16 | 16 | ||||
| Snowy days | ||||||
| 1 | 1 | 0 | ||||
March weather is still as ok as in February. It’s getting warmer as March arrives. The average maximum temperature goes up from +8°C to +10°C during the day. Prepare for more rain. Average rainfall goes from 53 mm to 57 mm. It feels drier, as humidity decreases from 84% to 82%. The average wind speed doesn’t change much during March, staying around 4 m/s. The good news is there are likely to be more sunny days in March, from 2 to 3.
April brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Southampton is gradually increasing during March, going from 2 m/s to 5 m/s over the course of the month.
Rain
How was the weather last March in Southampton?
Climate Change over Years
The climate in Southampton in March has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+12°C) and the highest in 2022 (+16°C). The driest year was 1990 with only 529 mm of rainfall, and the wettest year was 2020 with 1617 mm.
FAQ
Is March a good time to visit Southampton?
Can you sunbathe in Southampton in March?
Is Southampton rainy in March?
Is it sunny in Southampton in March?
Other cities in United Kingdom
Monthly weather in Southampton
Source of the data
For this page, we’ve looked at the typical weather in Southampton, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.