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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Daily Press UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Southampton’s weather is shaped by its coastal position on the Solent, giving it milder winters and cooler summers than inland areas. The live forecast above shows the current conditions, which typically bring moderate rainfall spread across the year rather than extreme temperatures.
What is the typical weather pattern in Southampton?
Southampton has a temperate maritime climate, meaning it rarely sees prolonged heatwaves or deep freezes. The city averages around 750mm of rain annually, with October to January being the wettest months. Summer highs usually reach 20–22°C, while winter lows hover around 2–4°C. For those checking the weather in Southampton tomorrow, the coastal breeze often makes it feel a degree or two cooler than the actual air temperature.
How does the season affect your plans?
Spring (March to May) is the driest season, ideal for walking the city’s parks or the waterfront. Summer sees the most sunshine, though sea fog can occasionally roll in. Autumn and winter bring more cloud and rain, but snow is rare. If you’re looking at the weather in Southampton 10 days ahead, the forecast tends to be reliable for general trends, though localised showers can appear quickly. For longer planning, the 14 day weather forecast Southampton and 21 day weather forecast Southampton give a useful pattern overview, but accuracy drops beyond a week. The southampton weather forecast 15 days is best used as a guide rather than a guarantee.
Does Southampton get much snow?
Snowfall is infrequent, averaging only 5–10 days per year. When it does settle, it usually melts within a day or two due to the coastal influence and mild air from the English Channel.
What is the best month to visit Southampton for weather?
June and September offer the best balance of warmth, sunshine and lower rainfall. July and August are warmer but can be more crowded and prone to occasional sea fog.
How does Southampton weather compare to London?
Southampton is generally 1–2°C cooler than London in summer and slightly milder in winter. It also receives about 100mm more rain annually due to its exposure to south-westerly winds off the Atlantic.
Sources
For broader UK conditions, see our UK weather hub or check the 10 day weather forecast UK. If you’re comparing coastal cities, our Bristol Weather page offers a similar maritime perspective. For those tracking seasonal trends, the southampton weather by month and southampton weather yearly data show a consistent pattern of mild, damp winters and warm, relatively dry summers.