Climate averages 1991–2020
Aulnay-sous-Bois weather
in January.
A cold, moderately wet month: the coolest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cold month in Aulnay-sous-Bois: daytime highs average 7.0°C and nights cool to about 1.9°C. By daytime temperature it is the coolest month of the year.
Expect about 56 mm of rain on roughly 12 days, which makes January a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 45 min on an average January day.
The nearest other city in this atlas is Paris 20 Ménilmontant (11 km away). In January its highs average 6.7°C, about as warm as Aulnay-sous-Bois, with 53 mm of rain.
Among the 57 cities listed in France, Aulnay-sous-Bois ranks joint 36th of 57 for the warmest January highs and joint 12th of 57 for the driest January (rainfall, lowest first). The mean January high of those 57 cities is 8.0°C; Aulnay-sous-Bois is 1.0°C cooler than that mean.
From January to February, average highs rise by 1.2°C to 8.2°C, and monthly rainfall falls from 56 mm to 50 mm.
The annual picture
January 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
Aulnay-sous-Bois climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 7.0°C1.9°C | 1.9°C | 56 | 11.7 | 8.79 h |
| February | 8.2°C1.6°C | 1.6°C | 50 | 10.2 | 10.110 h |
| March | 11.7°C3.5°C | 3.5°C | 51 | 10.5 | 11.912 h |
| April | 15.1°C5.9°C | 5.9°C | 51 | 10.4 | 13.714 h |
| May | 18.5°C9.6°C | 9.6°C | 63 | 10.9 | 15.315 h |
| June | 21.8°C12.8°C | 12.8°C | 54 | 10.0 | 16.116 h |
| July | 24.1°C15.0°C | 15.0°C | 52 | 9.1 | 15.716 h |
| August | 24.3°C14.9°C | 14.9°C | 58 | 9.2 | 14.414 h |
| September | 20.6°C12.0°C | 12.0°C | 45 | 8.4 | 12.713 h |
| October | 16.0°C9.1°C | 9.1°C | 63 | 10.8 | 10.811 h |
| November | 10.7°C5.2°C | 5.2°C | 60 | 11.4 | 9.29 h |
| December | 7.4°C2.5°C | 2.5°C | 72 | 12.5 | 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
January in nearby cities
- Paris 20 Ménilmontant in JanuaryFrance · 11 kmHigh 6.7°C · Low 1.5°C · 53 mm rain
- Paris in JanuaryFrance · 14 kmHigh 7.1°C · Low 1.8°C · 52 mm rain
- Paris 13 Gobelins in JanuaryFrance · 16 kmHigh 7.0°C · Low 1.8°C · 52 mm rain
- Marne La Vallée in JanuaryFrance · 16 kmHigh 6.7°C · Low 1.7°C · 58 mm rain
- Créteil in JanuaryFrance · 16 kmHigh 7.0°C · Low 1.9°C · 53 mm rain
- Paris 15 Vaugirard in JanuaryFrance · 18 kmHigh 7.1°C · Low 2.0°C · 52 mm rain
- Argenteuil in JanuaryFrance · 18 kmHigh 7.1°C · Low 2.1°C · 55 mm rain
- Boulogne-Billancourt in JanuaryFrance · 22 kmHigh 7.3°C · Low 2.3°C · 52 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 Aulnay-sous-Bois) is explained once on the Aulnay-sous-Bois year overview and on the Sources, method and limits page.