Spain
Costa Blanca in December: weather, sea & travel advice
This month's data profile
Clear transition month
Costa Blanca in December is climatically well suited to city breaks and active holidays and hiking. The average daily high is around 15 °C, and the sea is about 16 °C. With about 5 rainy days it is dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
53/100 · #11
Warmth
#11
Dryness
#7
Sun
#12
Sea warmth
#8
Published best categories: none
Costa Blanca · DecemberPhoto: kallerna · CC BY-SA 4.0Climate facts
- Average high
- 15 °C
- Average low
- 6 °C
- Sea
- 16 °C
- Rainy days (est.)
- 5 rainy days (est.)
- Sun (est.)
- 3 h/day
- Humidity
- 76 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| November | 18 | 9 | 6 | 33 | 3.3 | 72 | 3.1 | 19 | 67 |
| December (selected) | 15 | 6 | 5 | 33 | 2.7 | 76 | 3.1 | 16 | 53 |
| January | 14 | 5 | 5 | 28 | 3.1 | 74 | 3.2 | 15 | 52 |
How do the previous and next months compare?
Baseline: December (53/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| November | +14 | +3 °C | +2.7 °C | +0.3 | +0.4 mm | +0.6 h | -3.5 % | ±0 m/s | +2.6 °C |
| January | -1 | -0.8 °C | -1.3 °C | -0.7 | -4.5 mm | +0.4 h | -2.2 % | +0.1 m/s | -1.5 °C |
All twelve months in context
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Where to stay in Costa Blanca
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Useful next decisions
Frequently asked questions
How warm is Costa Blanca in December?
The average daily high is around 15 °C, with an average daily low of about 6 °C.
Can you swim in Costa Blanca in December?
The sea is about 16 °C (cold).
Does it rain a lot in Costa Blanca in December?
The curated estimate is about 5 rainy days per month, not a directly measured long-term average. Total precipitation averages around 33 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Costa Blanca?
By the climate score, May, June, September and October are the strongest months for Costa Blanca. For a beach trip: June, July, August and September. December is not among them.