ClimateAverages

Portsmouth Weather in January

January daytime high
9.4°C
January overnight low
-0.8°C
January average
4.3°C

In January, Portsmouth typically sees daytime highs of 9.4°C and overnight lows around -0.8°C. Compared to the annual average high of 20.6°C, January runs -11.2°C.

vs. annual avg high
-11.2°C
Rank among 12 months
#12 warmest
Hottest year overall
2016

Where January ranks in Portsmouth

Jan9°FebMarAprMayJunJulAugSepOctNovDec

FAQ

What is the average temperature in Portsmouth in January?

January in Portsmouth averages a daytime high of 9.4°C and an overnight low of -0.8°C.

Is January warm or cold in Portsmouth?

January runs -11.2°C compared to Portsmouth's annual average high of 20.6°C, ranking #12 of 12 months by warmth.

What should I pack for Portsmouth in January?

Plan for daytime highs near 9.4°C and cooler evenings around -0.8°C.

Other months for Portsmouth

January in nearby cities