Climate averages 1991–2020
Saint Helier weather
in November.
A cool, wet month: the 7th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
November is a cool month in Saint Helier: daytime highs average 12.2°C and nights cool to about 10.0°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 132 mm of rain on roughly 18 days, which makes November a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 12 min on an average November day.
The nearest other city in this atlas is Rennes (124 km away). In November its highs average 11.8°C, about as warm as Saint Helier, with 65 mm of rain.
From November to December, average highs fall by 2.2°C to 10.0°C, and monthly rainfall rises from 132 mm to 138 mm.
The annual picture
November 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
Saint Helier climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.1°C6.8°C | 6.8°C | 110 | 15.8 | 8.79 h |
| February | 8.7°C6.3°C | 6.3°C | 82 | 13.0 | 10.110 h |
| March | 9.7°C7.3°C | 7.3°C | 69 | 12.4 | 11.912 h |
| April | 11.3°C8.6°C | 8.6°C | 57 | 10.5 | 13.714 h |
| May | 13.7°C11.0°C | 11.0°C | 53 | 9.4 | 15.315 h |
| June | 16.1°C13.4°C | 13.4°C | 50 | 8.7 | 16.216 h |
| July | 17.9°C15.4°C | 15.4°C | 48 | 9.1 | 15.816 h |
| August | 18.5°C16.1°C | 16.1°C | 63 | 9.8 | 14.414 h |
| September | 17.5°C15.1°C | 15.1°C | 77 | 11.0 | 12.713 h |
| October | 15.2°C12.9°C | 12.9°C | 122 | 15.5 | 10.811 h |
| November, selected | 12.2°C10.0°C | 10.0°C | 132 | 17.6 | 9.29 h |
| December | 10.0°C7.7°C | 7.7°C | 138 | 16.7 | 8.38 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
November in nearby cities
- Rennes in NovemberFrance · 124 kmHigh 11.8°C · Low 6.2°C · 65 mm rain
- Caen in NovemberFrance · 127 kmHigh 11.4°C · Low 6.5°C · 66 mm rain
- Le Havre in NovemberFrance · 164 kmHigh 11.3°C · Low 7.5°C · 111 mm rain
- Poole in NovemberUnited Kingdom · 170 kmHigh 11.2°C · Low 7.6°C · 84 mm rain
- Bournemouth in NovemberUnited Kingdom · 171 kmHigh 11.1°C · Low 7.5°C · 84 mm rain
- Portsmouth in NovemberUnited Kingdom · 193 kmHigh 11.0°C · Low 6.5°C · 99 mm rain
- Brest, France in NovemberFrance · 196 kmHigh 12.3°C · Low 9.5°C · 96 mm rain
- Plymouth in NovemberUnited Kingdom · 197 kmHigh 11.3°C · Low 7.6°C · 112 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 Saint Helier) is explained once on the Saint Helier year overview and on the Sources, method and limits page.