Saint-Ouen-l'Aumône in Spring
In spring (March, April and May), Saint-Ouen-l'Aumône sees average daytime highs around 15°C and overnight lows near 6°C, with 167 mm of precipitation over about 33 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 10°C in early March to 20°C by late May. The sky is clear or mostly clear about 18% of the time across spring, and the air most often feels dry.
Spring is Saint-Ouen-l'Aumône's 3rd-best season to visit on our travel score. For the whole year in context, see Saint-Ouen-l'Aumône's year-round climate.
- Avg daytime high
- 15°C
- 3rd-warmest season
- Avg overnight low
- 6°C
- Precipitation
- 167 mm
- 33 wet days
- Avg wind
- 13 km/h
- Travel score
- 4.2
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Saint-Ouen-l'Aumône in Spring
Over the season highs climb from about 10°C in early March to 20°C by late May.
A typical spring day in Saint-Ouen-l'Aumône reaches about 15°C and drops to 6°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Saint-Ouen-l'Aumône
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 8 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Saint-Ouen-l'Aumône weather by month
How the three spring months (March, April and May) 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° | 55 | 11.3 | 0.9 | 8.5 | 0.8 |
| Feb | 8° / 2° | 48 | 9.8 | 1.2 | 9.8 | 1.2 |
| Mar | 12° / 4° | 52 | 10.5 | 0.5 | 11.6 | 2.9 |
| Apr | 15° / 6° | 51 | 11 | 0.1 | 13.4 | 4.3 |
| May | 18° / 9° | 64 | 11.3 | 0 | 15 | 5.5 |
| Jun | 21° / 12° | 57 | 10.1 | 0 | 15.9 | 6.4 |
| Jul | 24° / 14° | 51 | 9.1 | 0 | 15.6 | 7.0 |
| Aug | 24° / 14° | 58 | 9.2 | 0 | 14.2 | 7.0 |
| Sep | 20° / 11° | 44 | 8.5 | 0 | 12.4 | 6.4 |
| Oct | 16° / 9° | 62 | 11.2 | 0 | 10.5 | 4.5 |
| Nov | 10° / 5° | 60 | 11.4 | 0.2 | 8.9 | 2.2 |
| Dec | 7° / 3° | 70 | 12.6 | 0.9 | 8.1 | 0.9 |
Cloud cover in Spring
The sky is clear or mostly clear about 18% of the time across spring.
Chance of precipitation in Spring
Saint-Ouen-l'Aumône gets around 167 mm of rain and snow over 33 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 13 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 36 min in early March to 15 h 36 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 4.2 kWh/m².
Is spring a good time to visit Saint-Ouen-l'Aumône?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Saint-Ouen-l'Aumône for sightseeing.
What to pack for Saint-Ouen-l'Aumône in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Saint-Ouen-l'Aumône sees daytime highs around 15°C and nights near 6°C. Pack a warm layer. Worth having: rain gear and sun protection. About 33 days see rain.
UV index in Saint-Ouen-l'Aumône in Spring
Clear-sky midday UV across spring averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Saint-Ouen-l'Aumône peaks around June 20 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 7 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 | 7 | 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 | 7 | High |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Saint-Ouen-l'Aumône in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Saint-Ouen-l'Aumône is worst in April — around 20 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 17 | 17 | 20 | 20 | 17 | 16 | 13 | 14 | 15 | 15 | 15 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 17 | Moderate |
| Mar | 20 | Moderate |
| Apr | 20 | Moderate |
| May | 17 | Moderate |
| Jun | 16 | Moderate |
| Jul | 13 | Moderate |
| Aug | 14 | Moderate |
| Sep | 15 | Moderate |
| Oct | 15 | Moderate |
| Nov | 15 | Moderate |
| Dec | 15 | Moderate |
Where is Saint-Ouen-l'Aumône?
Saint-Ouen-l'Aumône sits at 49.0°N, 2.1°E, 30 m above sea level, in France. The nearest listed city is Pontoise, 2.0 km away.
Topography around Saint-Ouen-l'Aumône
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saint-Ouen-l'Aumône.
Within 3 km, the terrain around Saint-Ouen-l'Aumône has only modest variations in elevation — a maximum elevation change of 84 m around an average of 49 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 209 m; within 80 km, significant variations in elevation — a maximum elevation change of 263 m.
The land around Saint-Ouen-l'Aumône is covered by artificial surfaces (43%) and trees (33%) within 3 km, trees (42%), cropland (28%) and artificial surfaces (20%) within 16 km, and cropland (51%) and trees (32%) 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 Saint-Ouen-l'Aumône (49.0435°, 2.1213°, elevation 30 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.