Portsmouth
January
Weather in Portsmouth for January 2025
Your guide to Portsmouth weather in January - trends and predictions
In general, the average temperature in Portsmouth at the beginning of January is 10.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 9 °C by the end of January.
Portsmouth sees moderate rainfall in January, averaging 7 rainy days.
Snowfall in Portsmouth during January is quite rare, with fewer than 2 snowy days on average.
- New! Chat with our AI weatherman - it’s amazing and free.
23
Dry days
7
Rainy days
1
Snow days
10°/2°
Temperatures
35 km/h
Avg max wind
80 %
Avg humidity
Portsmouth in January average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  11° | 2 11° | 3  11° | 4 11° | 5 10° | ||
| 6 9° | 7  8° | 8 6° | 9 6° | 10 8° | 11 8° | 12 9° |
| 13  8° | 14 8° | 15  5° | 16 5° | 17  4° | 18 4° | 19 5° |
| 20 6° | 21 9° | 22 9° | 23 9° | 24 9° | 25 9° | 26 9° |
| 27 7° | 28 8° | 29 10° | 30  10° | 31 10° |
You can click on date
Access Portsmouth weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during January in Portsmouth
See the weather trend as well as the moving average line
January weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. | Patchy rain possible | 11° /7° | 6.8 mm | 0 cm | |
| 2 Jan. | Patchy rain possible | 11° /7° | 5.5 mm | 0 cm | |
| 3 Jan. | Moderate or heavy rain shower | 11° /8° | 7.3 mm | 0 cm | |
| 4 Jan. | Patchy rain possible | 11° /8° | 6.6 mm | 0 cm | |
| 5 Jan. | Patchy rain possible | 10° /7° | 1.4 mm | 0 cm | |
| 6 Jan. | Patchy rain possible | 9° /5° | 1.1 mm | 0 cm | |
| 7 Jan. | Heavy rain at times | 8° /5° | 3.1 mm | 0 cm | |
| 8 Jan. | Heavy rain at times | 6° /4° | 3.6 mm | 0.1 cm | |
| 9 Jan. | Patchy rain possible | 6° /4° | 0.2 mm | 0 cm | |
| 10 Jan. | Heavy rain at times | 8° /4° | 3.3 mm | 0 cm | |
| 11 Jan. | Moderate rain at times | 8° /4° | 1.3 mm | 0 cm | |
| 12 Jan. | Heavy rain at times | 9° /5° | 5.5 mm | 0 cm | |
| 13 Jan. | Sunny | 8° /4° | 0 mm | 0 cm | |
| 14 Jan. | Moderate or heavy rain shower | 8° /4° | 9.2 mm | 0 cm | |
| 15 Jan. | Overcast | 5° /2° | 1 mm | 0 cm | |
| 16 Jan. | Moderate rain at times | 5° /0° | 6.8 mm | 0 cm | |
| 17 Jan. | Cloudy | 4° /0° | 1.9 mm | 1 cm | |
| 18 Jan. | Overcast | 4° /0° | 0 mm | 0 cm | |
| 19 Jan. | Sunny | 5° /0° | 0 mm | 0 cm | |
| 20 Jan. | Overcast | 6° /3° | 0.1 mm | 0 cm | |
| 21 Jan. | Cloudy | 9° /3° | 5.6 mm | 0 cm | |
| 22 Jan. | Overcast | 9° /3° | 0.9 mm | 0 cm | |
| 23 Jan. | Sunny | 9° /3° | 1.2 mm | 0 cm | |
| 24 Jan. | Sunny | 9° /5° | 0.2 mm | 0 cm | |
| 25 Jan. | Patchy rain possible | 9° /4° | 2 mm | 0 cm | |
| 26 Jan. | Overcast | 9° /4° | 0.9 mm | 0 cm | |
| 27 Jan. | Overcast | 7° /4° | 0 mm | 0 cm | |
| 28 Jan. | Cloudy | 8° /4° | 0 mm | 0 cm | |
| 29 Jan. | Overcast | 10° /7° | 0 mm | 0 cm | |
| 30 Jan. | Partly cloudy | 10° /4° | 0.1 mm | 0 cm | |
| 31 Jan. | Overcast | 10° /4° | 0 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Portsmouth in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Portsmouth forecast closer to your planned date for the most up-to-date weather information.
Portsmouth in January - FAQ
What are the expected maximum and minimum temperatures in Portsmouth during January?
Prepare for cooler days with highs just around 10° and colder nights, dipping below 2°.
How much rainfall should be expected in Portsmouth during January?
Significant rainfall exceeding 151.1 mm is expected in Portsmouth during January, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Portsmouth during January?
Portsmouth experiences an average snowfall of 2.1 cm during January, occurring over 1 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Portsmouth during January?
The average wind speed in Portsmouth during January is 35 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Portsmouth
Explore the daily rainfall trends and prepare for Portsmouths January weather 💧
January snowfall in Portsmouth
Track daily snowfall levels and discover Portsmouth’s snowy potential this January ❄️
Quick links
You are here
Where is Portsmouth?Get accurate weather forecasts for Portsmouth, located at latitude 50.799 and longitude -1.091. Stay updated with localized weather information tailored for Portsmouth.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.