Climate averages 1991–2020
Swindon weather
in March.
A cool, moderately wet month: the joint 8th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Swindon: daytime highs average 9.7°C and nights cool to about 2.8°C. By daytime temperature it is the joint 8th warmest of the 12 months.
Expect about 50 mm of rain on roughly 10 days, which makes March a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 50 min on an average March day.
The nearest other city in this atlas is Oxford (42 km away). In March its highs average 9.9°C, about as warm as Swindon, with 45 mm of rain.
Among the 143 cities listed in the United Kingdom, Swindon ranks joint 57th of 143 for the warmest March highs and joint 80th of 143 for the driest March (rainfall, lowest first). The mean March high of those 143 cities is 9.5°C; Swindon is 0.2°C warmer than that mean.
From March to April, average highs rise by 2.8°C to 12.6°C, and monthly rainfall rises from 50 mm to 57 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
Swindon climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.8°C1.9°C | 1.9°C | 62 | 11.5 | 8.48 h |
| February | 7.4°C1.7°C | 1.7°C | 48 | 9.9 | 9.910 h |
| March, selected | 9.7°C2.8°C | 2.8°C | 50 | 10.3 | 11.812 h |
| April | 12.6°C4.5°C | 4.5°C | 57 | 11.4 | 13.814 h |
| May | 15.7°C7.5°C | 7.5°C | 61 | 11.2 | 15.616 h |
| June | 18.5°C10.5°C | 10.5°C | 56 | 10.4 | 16.617 h |
| July | 20.6°C12.5°C | 12.5°C | 59 | 10.9 | 16.116 h |
| August | 20.2°C12.5°C | 12.5°C | 65 | 10.8 | 14.615 h |
| September | 17.6°C10.4°C | 10.4°C | 54 | 9.3 | 12.713 h |
| October | 13.7°C7.7°C | 7.7°C | 69 | 11.3 | 10.711 h |
| November | 9.7°C4.5°C | 4.5°C | 68 | 12.0 | 8.99 h |
| December | 7.1°C2.4°C | 2.4°C | 65 | 11.4 | 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
- Oxford in MarchUnited Kingdom · 42 kmHigh 9.9°C · Low 3.0°C · 45 mm rain
- Cheltenham in MarchUnited Kingdom · 43 kmHigh 10.1°C · Low 3.1°C · 50 mm rain
- Bath in MarchUnited Kingdom · 45 kmHigh 9.9°C · Low 3.1°C · 53 mm rain
- Gloucester, United Kingdom in MarchUnited Kingdom · 47 kmHigh 10.2°C · Low 3.1°C · 50 mm rain
- Reading in MarchUnited Kingdom · 57 kmHigh 10.2°C · Low 3.3°C · 44 mm rain
- Bristol in MarchUnited Kingdom · 58 kmHigh 10.2°C · Low 3.5°C · 55 mm rain
- Basingstoke in MarchUnited Kingdom · 58 kmHigh 10.0°C · Low 3.1°C · 46 mm rain
- High Wycombe in MarchUnited Kingdom · 72 kmHigh 10.1°C · Low 3.2°C · 45 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 Swindon) is explained once on the Swindon year overview and on the Sources, method and limits page.