El Grao in Winter
In winter (December, January and February), El Grao sees average daytime highs around 15°C and overnight lows near 7°C, with 99 mm of rain over about 14 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.
Across winter, daytime highs hold fairly steady around 15°C. The sky is clear or mostly clear about 50% of the time across winter, and the air most often feels dry.
Winter is El Grao's weakest season of the year to visit on our travel score. For the whole year in context, see El Grao's year-round climate.
- Avg daytime high
- 15°C
- coldest season of the year
- Avg overnight low
- 7°C
- Rainfall
- 99 mm
- 14 wet days
- Avg wind
- 10 km/h
- Travel score
- 5.3
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in El Grao in Winter
Across winter, daytime highs hold fairly steady around 15°C.
A typical winter day in El Grao reaches about 15°C and drops to 7°C overnight. The warmest of the three months is December, the coolest January.
El Grao 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 15° / 7° | 36 | 4.6 | 9.5 | 5.1 |
| Feb | 15° / 7° | 28 | 4.1 | 10.4 | 5.5 |
| Mar | 17° / 9° | 34 | 4.9 | 11.7 | 6.4 |
| Apr | 19° / 11° | 37 | 5.9 | 13 | 6.9 |
| May | 22° / 15° | 32 | 4.9 | 14.2 | 7.6 |
| Jun | 26° / 19° | 19 | 3.1 | 14.8 | 8.3 |
| Jul | 28° / 21° | 9 | 1.5 | 14.5 | 7.8 |
| Aug | 29° / 22° | 20 | 3.7 | 13.6 | 6.9 |
| Sep | 26° / 19° | 45 | 6.3 | 12.3 | 7.5 |
| Oct | 23° / 15° | 50 | 6.3 | 10.9 | 7.5 |
| Nov | 18° / 11° | 41 | 5.3 | 9.8 | 6.7 |
| Dec | 15° / 8° | 35 | 5 | 9.2 | 5.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 50% of the time across winter.
Chance of precipitation in Winter
El Grao gets around 99 mm of rain over 14 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 10 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 24 min in early December to 11 hours 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 2.6 kWh/m².
Is winter a good time to visit El Grao?
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 reasonable time to visit El Grao for sightseeing.
What to pack for El Grao in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, El Grao sees daytime highs around 15°C and nights near 7°C. Worth packing: a warm layer. About 14 days see rain.
Sea temperature near El Grao in Winter
The nearest coast averages about 15°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 15 km away) is warmest in August at about 26°C and coldest in February near 14°C.
It's comfortable for a long swim from Jun 1 to Nov 2 — about 5.1 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 14 | 14 | 15 | 18 | 22 | 25 | 26 | 25 | 22 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Cool |
| May | 18 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in El Grao in Winter
Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in El Grao peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 7 | 6 | 9 | 9 | 8 | 6 | 4 | 2 | 2 |
| Level | Low | Moderate | High | High | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | High |
| Apr | 7 | High |
| May | 6 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Where is El Grao?
El Grao sits at 40.0°N, 0.0°E, 6 m above sea level, in Spain. The nearest listed city is Castelló de la Plana, 5.0 km away.
Topography around El Grao
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of El Grao.
Within 3 km, the terrain around El Grao has only modest variations in elevation — a maximum elevation change of 23 m around an average of 2 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 728 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,022 m.
The land around El Grao is covered by water (37%), grassland (31%) and artificial surfaces (21%) within 3 km, water (47%) and trees (23%) within 16 km, and water (41%) and trees (28%) within 80 km.
Spain travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 65% of US
- price level, 2025
- GDP per capita
- $38,627
- 2025
- Happiness
- 6.5 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2023
- Road deaths
- 3.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 540
- 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 El Grao (39.9736°, 0.0128°, elevation 6 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.