La Roche-sur-Yon weather in May
In May, La Roche-sur-Yon sees average daytime highs of 19°C and overnight lows near 10°C, with 62 mm of rain across 10.9 wet days and about 14.8 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.
Highs climb over the month, from about 17°C in the first days to 21°C by the end. The sky is clear or mostly clear about 20% of the time in May, and the air most often feels dry.
Daylight stretches from about 14 h 06 min at the start of May to 15 h 18 min by month's end. Set against the rest of the year, May is La Roche-sur-Yon's 7th-clearest and 8th-windiest month. For the whole year in context, see La Roche-sur-Yon's year-round climate.
- Daytime high
- 19°
- 5th warmest
- Overnight low
- 10°
- 8th coldest
- Rainfall
- 62 mm
- 10.9 wet days
- Daylight
- 14 h 48 min
- 5:38 AM – 8:26 PM
- Cloud cover
- 65%
- 7th clearest
- Wind
- 14 km/h
- 8th windiest
- Solar energy
- 5.75 kWh/m²
- Travel score
- 5.8
- out of 10
- Air quality
- Good
- PM10 15.3 µg/m³ · 2019
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 17°C in the first days to 21°C by the end.
A typical May day in La Roche-sur-Yon reaches about 19°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 |
| Avg low (°C) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 17 | 9 |
| 2 | 17 | 9 |
| 3 | 17 | 9 |
| 4 | 17 | 9 |
| 5 | 17 | 9 |
| 6 | 18 | 9 |
| 7 | 18 | 9 |
| 8 | 18 | 9 |
| 9 | 18 | 9 |
| 10 | 18 | 9 |
| 11 | 18 | 10 |
| 12 | 18 | 10 |
| 13 | 18 | 10 |
| 14 | 19 | 10 |
| 15 | 19 | 10 |
| 16 | 19 | 10 |
| 17 | 19 | 10 |
| 18 | 19 | 10 |
| 19 | 19 | 10 |
| 20 | 19 | 10 |
| 21 | 20 | 11 |
| 22 | 20 | 11 |
| 23 | 20 | 11 |
| 24 | 20 | 11 |
| 25 | 20 | 11 |
| 26 | 20 | 11 |
| 27 | 20 | 11 |
| 28 | 20 | 11 |
| 29 | 21 | 12 |
| 30 | 21 | 12 |
| 31 | 21 | 12 |
How May really feels in La Roche-sur-Yon
Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
La Roche-sur-Yon weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 9° / 4° | 76 | 11.3 | 8.8 | 1.8 |
| Feb | 10° / 3° | 58 | 9.6 | 10 | 2.2 |
| Mar | 13° / 5° | 55 | 10.3 | 11.6 | 3.6 |
| Apr | 16° / 7° | 57 | 10.7 | 13.3 | 4.6 |
| May | 19° / 10° | 62 | 10.9 | 14.8 | 5.8 |
| Jun | 22° / 13° | 47 | 9 | 15.6 | 6.7 |
| Jul | 24° / 15° | 41 | 7.5 | 15.3 | 7.4 |
| Aug | 25° / 15° | 46 | 7.5 | 14 | 7.4 |
| Sep | 22° / 12° | 53 | 7.7 | 12.4 | 6.9 |
| Oct | 17° / 10° | 78 | 12 | 10.6 | 5.2 |
| Nov | 13° / 6° | 79 | 12.1 | 9.2 | 3.2 |
| Dec | 10° / 4° | 84 | 12.2 | 8.4 | 2.0 |
Cloud cover in May
The sky is clear or mostly clear about 20% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 32 | 33 | 34 | 33 | 34 | 35 | 36 | 36 | 36 | 37 | 38 | 38 | 40 | 40 | 40 | 41 | 42 | 42 | 41 | 42 | 42 | 41 | 42 | 42 |
| Cloudier (%) | 68 | 68 | 68 | 68 | 68 | 68 | 67 | 68 | 67 | 66 | 67 | 66 | 65 | 64 | 64 | 64 | 63 | 62 | 62 | 60 | 60 | 60 | 59 | 58 | 58 | 59 | 58 | 58 | 59 | 58 | 58 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 32 | 68 |
| 2 | 32 | 68 |
| 3 | 32 | 68 |
| 4 | 32 | 68 |
| 5 | 32 | 68 |
| 6 | 32 | 68 |
| 7 | 33 | 67 |
| 8 | 32 | 68 |
| 9 | 33 | 67 |
| 10 | 34 | 66 |
| 11 | 33 | 67 |
| 12 | 34 | 66 |
| 13 | 35 | 65 |
| 14 | 36 | 64 |
| 15 | 36 | 64 |
| 16 | 36 | 64 |
| 17 | 37 | 63 |
| 18 | 38 | 62 |
| 19 | 38 | 62 |
| 20 | 40 | 60 |
| 21 | 40 | 60 |
| 22 | 40 | 60 |
| 23 | 41 | 59 |
| 24 | 42 | 58 |
| 25 | 42 | 58 |
| 26 | 41 | 59 |
| 27 | 42 | 58 |
| 28 | 42 | 58 |
| 29 | 41 | 59 |
| 30 | 42 | 58 |
| 31 | 42 | 58 |
Chance of precipitation in May
La Roche-sur-Yon gets around 62 mm of rain over 10.9 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 35% and peaks near 41% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 41 | 41 | 40 | 40 | 39 | 39 | 38 | 38 | 37 | 37 | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 33 |
| Rain chance (%) | |
|---|---|
| 1 | 41 |
| 2 | 41 |
| 3 | 40 |
| 4 | 40 |
| 5 | 39 |
| 6 | 39 |
| 7 | 38 |
| 8 | 38 |
| 9 | 37 |
| 10 | 37 |
| 11 | 36 |
| 12 | 36 |
| 13 | 36 |
| 14 | 36 |
| 15 | 35 |
| 16 | 35 |
| 17 | 35 |
| 18 | 35 |
| 19 | 34 |
| 20 | 34 |
| 21 | 34 |
| 22 | 33 |
| 23 | 33 |
| 24 | 33 |
| 25 | 32 |
| 26 | 32 |
| 27 | 32 |
| 28 | 32 |
| 29 | 32 |
| 30 | 32 |
| 31 | 33 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 85% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 93 | 93 | 92 | 91 | 90 | 90 | 89 | 89 | 89 | 89 | 88 | 89 | 89 | 88 | 88 | 87 | 87 | 87 | 86 | 85 | 84 | 83 | 82 | 80 | 79 | 78 | 76 | 74 | 73 | 72 | 70 |
| Comfortable (%) | 7 | 7 | 8 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 21 | 22 | 23 | 24 | 25 |
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 5 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 93 | 7 | 0 |
| 2 | 93 | 7 | 0 |
| 3 | 92 | 8 | 0 |
| 4 | 91 | 9 | 0 |
| 5 | 90 | 10 | 0 |
| 6 | 90 | 10 | 0 |
| 7 | 89 | 11 | 0 |
| 8 | 89 | 11 | 0 |
| 9 | 89 | 11 | 0 |
| 10 | 89 | 11 | 0 |
| 11 | 88 | 12 | 0 |
| 12 | 89 | 11 | 0 |
| 13 | 89 | 11 | 0 |
| 14 | 88 | 11 | 1 |
| 15 | 88 | 11 | 1 |
| 16 | 87 | 12 | 1 |
| 17 | 87 | 12 | 1 |
| 18 | 87 | 12 | 1 |
| 19 | 86 | 13 | 1 |
| 20 | 85 | 13 | 2 |
| 21 | 84 | 14 | 2 |
| 22 | 83 | 15 | 2 |
| 23 | 82 | 16 | 2 |
| 24 | 80 | 17 | 3 |
| 25 | 79 | 18 | 3 |
| 26 | 78 | 19 | 3 |
| 27 | 76 | 21 | 3 |
| 28 | 74 | 22 | 4 |
| 29 | 73 | 23 | 4 |
| 30 | 72 | 24 | 4 |
| 31 | 70 | 25 | 5 |
Wind in May
Winds average 14 km/h in May.
Across May, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 14 | light breeze |
| 2 | 14 | light breeze |
| 3 | 14 | light breeze |
| 4 | 14 | light breeze |
| 5 | 14 | light breeze |
| 6 | 14 | light breeze |
| 7 | 14 | light breeze |
| 8 | 14 | light breeze |
| 9 | 14 | light breeze |
| 10 | 14 | light breeze |
| 11 | 14 | light breeze |
| 12 | 14 | light breeze |
| 13 | 14 | light breeze |
| 14 | 14 | light breeze |
| 15 | 14 | light breeze |
| 16 | 14 | light breeze |
| 17 | 14 | light breeze |
| 18 | 14 | light breeze |
| 19 | 14 | light breeze |
| 20 | 14 | light breeze |
| 21 | 14 | light breeze |
| 22 | 14 | light breeze |
| 23 | 14 | light breeze |
| 24 | 14 | light breeze |
| 25 | 14 | light breeze |
| 26 | 14 | light breeze |
| 27 | 14 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
| 31 | 13 | light breeze |
Sunrise & sunset in May
Daylight runs from about 14 h 06 min at the start of May to 15 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 72 minutes over May. Sunrise moves from 5:59 AM to 5:23 AM, and sunset from 8:07 PM to 8:43 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.1 | 14.2 | 14.2 | 14.3 | 14.3 | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.6 | 14.6 | 14.7 | 14.7 | 14.8 | 14.8 | 14.8 | 14.9 | 14.9 | 15.0 | 15.0 | 15.0 | 15.1 | 15.1 | 15.1 | 15.2 | 15.2 | 15.2 | 15.3 | 15.3 | 15.3 |
| Sunrise (AM) | 5:59 | 5:58 | 5:56 | 5:54 | 5:53 | 5:51 | 5:50 | 5:48 | 5:47 | 5:46 | 5:44 | 5:43 | 5:42 | 5:40 | 5:39 | 5:38 | 5:37 | 5:35 | 5:34 | 5:33 | 5:32 | 5:31 | 5:30 | 5:29 | 5:28 | 5:27 | 5:26 | 5:26 | 5:25 | 5:24 | 5:23 |
| Sunset (PM) | 8:07 | 8:08 | 8:09 | 8:11 | 8:12 | 8:13 | 8:15 | 8:16 | 8:17 | 8:19 | 8:20 | 8:21 | 8:22 | 8:24 | 8:25 | 8:26 | 8:27 | 8:29 | 8:30 | 8:31 | 8:32 | 8:33 | 8:35 | 8:36 | 8:37 | 8:38 | 8:39 | 8:40 | 8:41 | 8:42 | 8:43 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.1 | 5:59 | 8:07 |
| 2 | 14.2 | 5:58 | 8:08 |
| 3 | 14.2 | 5:56 | 8:09 |
| 4 | 14.3 | 5:54 | 8:11 |
| 5 | 14.3 | 5:53 | 8:12 |
| 6 | 14.4 | 5:51 | 8:13 |
| 7 | 14.4 | 5:50 | 8:15 |
| 8 | 14.5 | 5:48 | 8:16 |
| 9 | 14.5 | 5:47 | 8:17 |
| 10 | 14.5 | 5:46 | 8:19 |
| 11 | 14.6 | 5:44 | 8:20 |
| 12 | 14.6 | 5:43 | 8:21 |
| 13 | 14.7 | 5:42 | 8:22 |
| 14 | 14.7 | 5:40 | 8:24 |
| 15 | 14.8 | 5:39 | 8:25 |
| 16 | 14.8 | 5:38 | 8:26 |
| 17 | 14.8 | 5:37 | 8:27 |
| 18 | 14.9 | 5:35 | 8:29 |
| 19 | 14.9 | 5:34 | 8:30 |
| 20 | 15.0 | 5:33 | 8:31 |
| 21 | 15.0 | 5:32 | 8:32 |
| 22 | 15.0 | 5:31 | 8:33 |
| 23 | 15.1 | 5:30 | 8:35 |
| 24 | 15.1 | 5:29 | 8:36 |
| 25 | 15.1 | 5:28 | 8:37 |
| 26 | 15.2 | 5:27 | 8:38 |
| 27 | 15.2 | 5:26 | 8:39 |
| 28 | 15.2 | 5:26 | 8:40 |
| 29 | 15.3 | 5:25 | 8:41 |
| 30 | 15.3 | 5:24 | 8:42 |
| 31 | 15.3 | 5:23 | 8:43 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.75 kWh/m².
For context, solar energy here swings from a low near 1.04 kWh/m² to a high of 6.19 kWh/m² in June across the year — May's 5.75 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.2 | Bright |
| 2 | 5.2 | Bright |
| 3 | 5.3 | Bright |
| 4 | 5.3 | Bright |
| 5 | 5.3 | Bright |
| 6 | 5.4 | Bright |
| 7 | 5.4 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.5 | Bright |
| 10 | 5.5 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.6 | Bright |
| 13 | 5.6 | Bright |
| 14 | 5.7 | Bright |
| 15 | 5.7 | Bright |
| 16 | 5.8 | Bright |
| 17 | 5.8 | Bright |
| 18 | 5.8 | Bright |
| 19 | 5.9 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.9 | Bright |
| 22 | 6.0 | Bright |
| 23 | 6.0 | Bright |
| 24 | 6.0 | Intense |
| 25 | 6.0 | Intense |
| 26 | 6.0 | Intense |
| 27 | 6.1 | Intense |
| 28 | 6.1 | Intense |
| 29 | 6.1 | Intense |
| 30 | 6.1 | Intense |
| 31 | 6.1 | Intense |
Is May a good time to visit La Roche-sur-Yon?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit La Roche-sur-Yon for sightseeing.
What to pack for La Roche-sur-Yon in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, La Roche-sur-Yon sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear and sun protection. About 11 days see rain.
Sea temperature near La Roche-sur-Yon in May
The nearest coast averages about 15°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 33 km away) is warmest in August at about 20°C and coldest in February near 10°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) | 10 | 10 | 10 | 12 | 15 | 17 | 19 | 20 | 18 | 17 | 14 | 12 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 10 | Bracing |
| Feb | 10 | Bracing |
| Mar | 10 | Bracing |
| Apr | 12 | Bracing |
| May | 15 | Bracing |
| Jun | 17 | Cool |
| Jul | 19 | Cool |
| Aug | 20 | Cool |
| Sep | 18 | Cool |
| Oct | 17 | Cool |
| Nov | 14 | Bracing |
| Dec | 12 | Bracing |
UV index in La Roche-sur-Yon in May
Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in La Roche-sur-Yon peaks around July 24 at about 7 (very 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 | 4 | 5 | 6 | 7 | 7 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | High | Very high | Very high | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 6 | High |
| Jun | 7 | High |
| Jul | 7 | Very high |
| Aug | 7 | Very high |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is La Roche-sur-Yon?
La Roche-sur-Yon sits at 46.7°N, 1.4°W, 73 m above sea level, in France. The nearest listed city is Les Sables-d'Olonne, 33 km away.
Topography around La Roche-sur-Yon
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of La Roche-sur-Yon.
Within 3 km, the terrain around La Roche-sur-Yon has only modest variations in elevation — a maximum elevation change of 51 m around an average of 63 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 135 m; within 80 km, significant variations in elevation — a maximum elevation change of 339 m.
The land around La Roche-sur-Yon is covered by artificial surfaces (46%) and trees (26%) within 3 km, cropland (40%), grassland (31%) and trees (22%) within 16 km, and cropland (32%), water (27%) and grassland (26%) 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 La Roche-sur-Yon (46.6697°, -1.4276°, elevation 73 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).