Weather in Portsmouth in January
The weather in Portsmouth in January is extremely hot, while temperatures can easily rise above 30 degrees. This hot weather is not advisable for long walks and outdoors activity, so please prepare for summer conditions with water and comfortable light clothes for a trip in Portsmouth during January.
Avg Temp
22° - 30°
Avg Rainy Days
20
Avg Dry Days
11
Avg Snow Days
0
Weather Facts - Portsmouth in January
* The warmest temperature recorded in in January is 32°C
* The coldest temperature recorded in Portsmouth in January is 18°C
* The average rainfall in Portsmouth in January is 76 mm