Weather in Southampton in January 2025
- January is usually the coldest month of the year in Southampton;
Average weather
Average temperature in Southampton in January
The temperature in January is +8°C on average, with a range between a maximum of +13°C during the day and a minimum of -7°C at night.
The average maximum temperature goes down 5% by the end of the month, compared with the beginning of the month, from +12°C to +11°C.
Is Southampton warm or cold in January?
Southampton is typically cool in January.
Maximum temperatures go down compared to the previous month from +9°C to +8°C. The minimum temperature also goes down from +4°C to +3°C.
Pack a sweater and a jacket as there will be cooler temperatures.
January is the coldest month in Southampton, here is the comparison with other months:
Climate in Southampton in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +9°C | +8°C | +8°C | ||||
| Min. temperature | ||||||
| -10°C | -9°C | -9°C | ||||
| Max. temperature | ||||||
| +15°C | +14°C | +17°C | ||||
| Rainfall | ||||||
| 80 mm | 72 mm | 53 mm | ||||
| Wind | ||||||
| 4 m/s | 5 m/s | 4 m/s | ||||
| Humidity | ||||||
| 88% | 87% | 84% | ||||
| Air pressure | ||||||
| 1014 HPa | 1015 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 2 | ||||
| Cloudy days | ||||||
| 12 | 12 | 11 | ||||
| Rainy days | ||||||
| 15 | 16 | 14 | ||||
| Snowy days | ||||||
| 1 | 1 | 1 | ||||
January typically has worse weather conditions compared to December. It’s getting colder in January. From +9°C in the day, the average maximum temperature lowers to +8°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 80 mm to 72 mm. It feels drier, as humidity decreases from 88% to 87%. Winds are stronger in comparison to December, going up from 4 m/s to 5 m/s on average. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
But maybe it is worth considering traveling in February as the weather gets better.
Wind
The average wind speed is 3 m/s getting up to 6 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 decreasing during January, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last January in Southampton?
Climate Change over Years
The climate in Southampton in January 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 January a good time to visit Southampton?
Can you sunbathe in Southampton in January?
Is Southampton rainy in January?
Is it sunny in Southampton in January?
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.