Climate averages 1991–2020
Newport weather
in March.
A cool, moderately wet month: the 9th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Newport: daytime highs average 10.2°C and nights cool to about 3.4°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 60 mm of rain on roughly 11 days, which makes March a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 50 min on an average March day.
The nearest other city in this atlas is Cardiff (17 km away). In March its highs average 9.6°C, 0.6°C cooler than Newport, with 68 mm of rain.
Among the 143 cities listed in the United Kingdom, Newport ranks joint 16th of 143 for the warmest March highs and 112th of 143 for the driest March (rainfall, lowest first). The mean March high of those 143 cities is 9.5°C; Newport is 0.7°C warmer than that mean.
From March to April, average highs rise by 2.7°C to 12.9°C, and monthly rainfall rises from 60 mm to 64 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Newport climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.6°C2.7°C | 2.7°C | 77 | 13.4 | 8.48 h |
| February | 8.1°C2.4°C | 2.4°C | 61 | 10.7 | 9.910 h |
| March, selected | 10.2°C3.4°C | 3.4°C | 60 | 10.9 | 11.812 h |
| April | 12.9°C5.0°C | 5.0°C | 64 | 11.1 | 13.814 h |
| May | 16.0°C8.2°C | 8.2°C | 68 | 11.8 | 15.616 h |
| June | 18.6°C11.1°C | 11.1°C | 64 | 10.5 | 16.617 h |
| July | 20.4°C13.0°C | 13.0°C | 63 | 11.1 | 16.116 h |
| August | 20.1°C13.0°C | 13.0°C | 74 | 11.3 | 14.615 h |
| September | 17.8°C10.9°C | 10.9°C | 63 | 10.1 | 12.713 h |
| October | 14.1°C8.4°C | 8.4°C | 88 | 13.1 | 10.711 h |
| November | 10.5°C5.3°C | 5.3°C | 84 | 13.7 | 8.99 h |
| December | 7.9°C3.1°C | 3.1°C | 86 | 13.1 | 7.98 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Cardiff in MarchUnited Kingdom · 17 kmHigh 9.6°C · Low 3.9°C · 68 mm rain
- Weston-super-Mare in MarchUnited Kingdom · 27 kmHigh 10.1°C · Low 4.0°C · 56 mm rain
- Bristol in MarchUnited Kingdom · 31 kmHigh 10.2°C · Low 3.5°C · 55 mm rain
- Bath in MarchUnited Kingdom · 50 kmHigh 9.9°C · Low 3.1°C · 53 mm rain
- Gloucester, United Kingdom in MarchUnited Kingdom · 61 kmHigh 10.2°C · Low 3.1°C · 50 mm rain
- Swansea in MarchUnited Kingdom · 65 kmHigh 9.4°C · Low 4.5°C · 83 mm rain
- Cheltenham in MarchUnited Kingdom · 72 kmHigh 10.1°C · Low 3.1°C · 50 mm rain
- Swindon in MarchUnited Kingdom · 84 kmHigh 9.7°C · Low 2.8°C · 50 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Newport) is explained once on the Newport year overview and on the Sources, method and limits page.