Mont-Saint-Aignan in Winter
In winter (December, January and February), Mont-Saint-Aignan sees average daytime highs around 7°C and overnight lows near 2°C, with 200 mm of precipitation over about 36 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 7°C. The sky is clear or mostly clear about 13% of the time across winter, and the air most often feels dry.
Winter is Mont-Saint-Aignan's weakest season of the year to visit on our travel score. For the whole year in context, see Mont-Saint-Aignan's year-round climate.
- Avg daytime high
- 7°C
- coldest season of the year
- Avg overnight low
- 2°C
- Precipitation
- 200 mm
- 36 wet days
- Avg wind
- 16 km/h
- Travel score
- 1.0
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Mont-Saint-Aignan in Winter
Across winter, daytime highs hold fairly steady around 7°C.
A typical winter day in Mont-Saint-Aignan reaches about 7°C and drops to 2°C overnight. The warmest of the three months is February, the coolest February.
How winter really feels in Mont-Saint-Aignan
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 89 that feel at or below 0°C.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Mont-Saint-Aignan weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / 2° | 63 | 11.8 | 0.9 | 8.4 | 0.8 |
| Feb | 8° / 2° | 56 | 11 | 1.2 | 9.8 | 1.1 |
| Mar | 11° / 4° | 60 | 11.5 | 0.4 | 11.5 | 2.6 |
| Apr | 14° / 6° | 63 | 11.3 | 0.2 | 13.4 | 3.9 |
| May | 17° / 9° | 66 | 12.1 | 0 | 15.1 | 5.1 |
| Jun | 20° / 12° | 65 | 11 | 0 | 16 | 6.0 |
| Jul | 22° / 13° | 59 | 10.9 | 0 | 15.6 | 6.6 |
| Aug | 22° / 13° | 65 | 10.7 | 0 | 14.2 | 6.6 |
| Sep | 19° / 11° | 52 | 9.4 | 0 | 12.4 | 6.1 |
| Oct | 15° / 8° | 73 | 12.3 | 0 | 10.5 | 4.2 |
| Nov | 10° / 5° | 69 | 12.7 | 0.2 | 8.9 | 2.2 |
| Dec | 7° / 3° | 81 | 13.3 | 1 | 8 | 1.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 13% of the time across winter.
Chance of precipitation in Winter
Mont-Saint-Aignan gets around 200 mm of rain and snow over 36 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 16 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 8 h 18 min in early December to 10 h 36 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 1.1 kWh/m².
Is winter a good time to visit Mont-Saint-Aignan?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Mont-Saint-Aignan.
What to pack for Mont-Saint-Aignan in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Mont-Saint-Aignan sees daytime highs around 7°C and nights near 2°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 36 days see rain.
Sea temperature near Mont-Saint-Aignan in Winter
The nearest coast averages about 9°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 48 km away) is warmest in August at about 18°C and coldest in February near 8°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 8 | 8 | 8 | 10 | 12 | 15 | 17 | 18 | 18 | 16 | 13 | 10 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 8 | Bracing |
| Feb | 8 | Bracing |
| Mar | 8 | Bracing |
| Apr | 10 | Bracing |
| May | 12 | Bracing |
| Jun | 15 | Bracing |
| Jul | 17 | Cool |
| Aug | 18 | Cool |
| Sep | 18 | Cool |
| Oct | 16 | Cool |
| Nov | 13 | Bracing |
| Dec | 10 | Bracing |
UV index in Mont-Saint-Aignan in Winter
Clear-sky midday UV across winter averages around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mont-Saint-Aignan peaks around June 18 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 5 | 6 | 7 | 6 | 7 | 4 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 5 | Moderate |
| May | 6 | High |
| Jun | 7 | High |
| Jul | 6 | High |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Mont-Saint-Aignan in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Mont-Saint-Aignan is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 11 | 14 | 15 | 13 | 12 | 10 | 11 | 11 | 9 | 9 | 9 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 14 | Moderate |
| Apr | 15 | Moderate |
| May | 13 | Moderate |
| Jun | 12 | Moderate |
| Jul | 10 | Good |
| Aug | 11 | Good |
| Sep | 11 | Good |
| Oct | 9 | Good |
| Nov | 9 | Good |
| Dec | 9 | Good |
Where is Mont-Saint-Aignan?
Mont-Saint-Aignan sits at 49.5°N, 1.1°E, 128 m above sea level, in France. The nearest listed city is Rouen, 2.0 km away.
Topography around Mont-Saint-Aignan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mont-Saint-Aignan.
Within 3 km, the terrain around Mont-Saint-Aignan has only modest variations in elevation — a maximum elevation change of 192 m around an average of 107 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 200 m; within 80 km, significant variations in elevation — a maximum elevation change of 276 m.
The land around Mont-Saint-Aignan is covered by trees (51%) and artificial surfaces (39%) within 3 km, trees (40%) and cropland (29%) within 16 km, and cropland (44%) and trees (22%) within 80 km.
France travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 77% of US
- price level, 2025
- GDP per capita
- $48,986
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.3
- per 100k, 2023
- Road deaths
- 5.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 539
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mont-Saint-Aignan (49.4631°, 1.0936°, elevation 128 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.