Humid subtropical climate
Climate Portsmouth - Ohio
Annual high66ºF
Annual low44ºF
Precipitation40.88 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 41 | 24 | 3.05 | 5 |
| Feb | 45 | 26 | 2.78 | 2 |
| Mar | 56 | 34 | 3.65 | 1 |
| Apr | 67 | 42 | 3.55 | 0 |
| May | 76 | 51 | 4.96 | 0 |
| Jun | 83 | 61 | 3.54 | 0 |
| Jul | 87 | 64 | 4.18 | 0 |
| Aug | 86 | 62 | 3.56 | 0 |
| Sep | 80 | 55 | 2.67 | 0 |
| Oct | 69 | 43 | 2.64 | 0 |
| Nov | 56 | 35 | 3.07 | 0 |
| Dec | 44 | 27 | 3.23 | 1 |
- JanHigh 41ºFLow 24ºFPrecip 3.05 inch
- FebHigh 45ºFLow 26ºFPrecip 2.78 inch
- MarHigh 56ºFLow 34ºFPrecip 3.65 inch
- AprHigh 67ºFLow 42ºFPrecip 3.55 inch
- MayHigh 76ºFLow 51ºFPrecip 4.96 inch
- JunHigh 83ºFLow 61ºFPrecip 3.54 inch
- JulHigh 87ºFLow 64ºFPrecip 4.18 inch
- AugHigh 86ºFLow 62ºFPrecip 3.56 inch
- SepHigh 80ºFLow 55ºFPrecip 2.67 inch
- OctHigh 69ºFLow 43ºFPrecip 2.64 inch
- NovHigh 56ºFLow 35ºFPrecip 3.07 inch
- DecHigh 44ºFLow 27ºFPrecip 3.23 inch
Climate summary
What is the average weather in Portsmouth, Ohio?
Portsmouth experiences a humid subtropical climate, characterized by hot summers and cold winters, indicating a strong seasonal contrast. The area is fairly wet, with rainfall spread fairly evenly throughout the year, though spring is typically the wettest season and fall the driest. Occasional snowfall occurs during the winter months.
Portsmouth weather averages
Annual high66ºF
Annual low44ºF
Precipitation40.88 inch
Snowfall9 inch
Daily normals Portsmouth - Ohio - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 42.2 | 24.8 | 0.10 | 0.10 |
| Jan 2 | 42.0 | 24.6 | 0.19 | 0.19 |
| Jan 3 | 41.9 | 24.4 | 0.28 | 0.28 |
| Jan 4 | 41.8 | 24.2 | 0.38 | 0.38 |
| Jan 5 | 41.6 | 24.1 | 0.48 | 0.48 |
| Jan 6 | 41.5 | 23.9 | 0.58 | 0.58 |
| Jan 7 | 41.4 | 23.7 | 0.68 | 0.68 |
| Jan 8 | 41.3 | 23.6 | 0.78 | 0.78 |
| Jan 9 | 41.2 | 23.4 | 0.88 | 0.88 |
| Jan 10 | 41.2 | 23.3 | 0.99 | 0.99 |
| Jan 11 | 41.1 | 23.1 | 1.09 | 1.09 |
| Jan 12 | 41.0 | 23.0 | 1.20 | 1.20 |
| Jan 13 | 41.0 | 22.8 | 1.30 | 1.30 |
| Jan 14 | 40.9 | 22.7 | 1.41 | 1.41 |
| Jan 15 | 40.9 | 22.6 | 1.52 | 1.52 |
| Jan 16 | 40.9 | 22.5 | 1.62 | 1.62 |
| Jan 17 | 40.9 | 22.4 | 1.72 | 1.72 |
| Jan 18 | 40.9 | 22.3 | 1.83 | 1.83 |
| Jan 19 | 40.9 | 22.3 | 1.92 | 1.92 |
| Jan 20 | 40.9 | 22.2 | 2.02 | 2.02 |
| Jan 21 | 41.0 | 22.2 | 2.12 | 2.12 |
| Jan 22 | 41.0 | 22.1 | 2.21 | 2.21 |
| Jan 23 | 41.1 | 22.1 | 2.31 | 2.31 |
| Jan 24 | 41.1 | 22.1 | 2.41 | 2.41 |
| Jan 25 | 41.2 | 22.1 | 2.51 | 2.51 |
| Jan 26 | 41.3 | 22.1 | 2.61 | 2.61 |
| Jan 27 | 41.4 | 22.1 | 2.70 | 2.70 |
| Jan 28 | 41.5 | 22.2 | 2.80 | 2.80 |
| Jan 29 | 41.6 | 22.2 | 2.89 | 2.89 |
| Jan 30 | 41.8 | 22.3 | 2.99 | 2.99 |
| Jan 31 | 41.9 | 22.4 | 3.09 | 3.09 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Portsmouth - November 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Nov 1 | 66.9 | 42.1 | 0.00 |
| Nov 2 | 75.0 | 48.9 | 0.37 |
| Nov 3 | 59.0 | 48.9 | 0.18 |
| Nov 4 | 81.0 | 48.9 | 0.00 |
| Nov 5 | 66.9 | 57.9 | 0.57 |
| Nov 6 | 72.0 | 44.1 | 0.00 |
| Nov 7 | 59.0 | 34.0 | 0.01 |
| Nov 8 | – | – | – |
| Nov 9 | – | – | – |
| Nov 10 | – | – | – |
| Nov 11 | – | – | – |
| Nov 12 | – | – | – |
| Nov 13 | – | – | – |
| Nov 14 | – | – | – |
| Nov 15 | – | – | – |
| Nov 16 | – | – | – |
| Nov 17 | – | – | – |
| Nov 18 | – | – | – |
| Nov 19 | – | – | – |
| Nov 20 | – | – | – |
| Nov 21 | – | – | – |
| Nov 22 | – | – | – |
| Nov 23 | – | – | – |
| Nov 24 | – | – | – |
| Nov 25 | – | – | – |
| Nov 26 | – | – | – |
| Nov 27 | – | – | – |
| Nov 28 | – | – | – |
| Nov 29 | – | – | – |
| Nov 30 | – | – | – |
The data for November 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature81.0ºF · Nov 4
- Lowest max temperature59.0ºF · Nov 3
- Highest min temperature57.9ºF · Nov 5
- Lowest min temperature34.0ºF · Nov 7
Geo Portsmouth - Ohio
Location
- Country
- United States
- State
- Ohio
- County
- –
- City
- Portsmouth
- Zip Code
- 45662
- Elevation
- 535 ft
- Longitude
- -83.00
- Latitude
- 38.73
- ICAO
- –
- IATA
- –