Castellon weather by month

Check out Castellon weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Castellon (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	15	16	18	20	23	27	30	30	28	23	18	15
Min temperature (night-time)	6	6	7	10	13	17	20	20	17	13	9	6
Heat & Humidity	0	0	0	0	0	L	M	M	L	0	0	0
Sea temperature	14	13	14	15	18	22	25	26	25	22	18	16

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Castellon

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	5	6	7	8	9	9	10	9	8	7	5	5
Daily hours of daylight	10	11	12	13	14	15	15	14	12	11	10	9
UV Index (Maximum)	2	3	5	6	8	9	9	8	6	4	2	2

Rainfall in Castellon

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	12	11	11	9	9	7	4	6	7	10	10	11
Average monthly rainfall (mm)	20	26	37	29	34	23	8	29	59	114	43	46

More about Castellon

Castellon by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Spain

Pierre & Vacances: Latest special offers on holidays

Sale

Save on 2026 holidays with latest Pierre & Vacances deals
Offers on beach, mountain, countryside & ski destinations
Book breaks to France, across Europe & beyond

Go to Pierre & Vacances deal >>

View all Pierre & Vacances offers

Holiday accomodation

The climate guide for Spain (Castellon) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Castellon?

Castellon has a cool semi arid climate with hot summers.

Castellon weather in January

Expect daytime maximum temperatures of 15°C in Castellon, Spain in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall.

15
15°C max day temperature
5
5 hours of sunshine per day
12
12 days with some rainfall
6
6°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
20
20 mm of monthly rainfall
2
2 (Low) UV index
14
14°C sea temperature

Back to months

Castellon weather in February

Expect daytime maximum temperatures of 16°C in Castellon, Spain in February based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall.

16
16°C max day temperature
6
6 hours of sunshine per day
11
11 days with some rainfall
6
6°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
26
26 mm of monthly rainfall
3
3 (Moderate) UV index
13
13°C sea temperature

Back to months

Castellon weather in March

Expect daytime maximum temperatures of 18°C in Castellon, Spain in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall.

18
18°C max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
7
7°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
37
37 mm of monthly rainfall
5
5 (Moderate) UV index
14
14°C sea temperature

Back to months

Castellon weather in April

Expect daytime maximum temperatures of 20°C in Castellon, Spain in April based on long-term weather averages. There are 8 hours of sunshine per day on average.

20
20°C max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
10
10°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
29
29 mm of monthly rainfall
6
6 (High) UV index
15
15°C sea temperature

Back to months

Castellon weather in May

Expect daytime maximum temperatures of 23°C in Castellon, Spain in May based on long-term weather averages. There are 9 hours of sunshine per day on average.

23
23°C max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
13
13°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
34
34 mm of monthly rainfall
8
8 (Very High) UV index
18
18°C sea temperature

Back to months

Castellon weather in June

Expect daytime maximum temperatures of 27°C in Castellon, Spain in June based on long-term weather averages. There are 9 hours of sunshine per day on average.

27
27°C max day temperature
9
9 hours of sunshine per day
7
7 days with some rainfall
17
17°C min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
23
23 mm of monthly rainfall
9
9 (Very High) UV index
22
22°C sea temperature

Back to months

Castellon weather in July

Expect daytime maximum temperatures of 30°C in Castellon, Spain in July based on long-term weather averages. There are 10 hours of sunshine per day on average.

30
30°C max day temperature
10
10 hours of sunshine per day
4
4 days with some rainfall
20
20°C min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
8
8 mm of monthly rainfall
9
9 (Very High) UV index
25
25°C sea temperature

Back to months

Castellon weather in August

Expect daytime maximum temperatures of 30°C in Castellon, Spain in August based on long-term weather averages. There are 9 hours of sunshine per day on average.

30
30°C max day temperature
9
9 hours of sunshine per day
6
6 days with some rainfall
20
20°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
29
29 mm of monthly rainfall
8
8 (Very High) UV index
26
26°C sea temperature

Back to months

Castellon weather in September

Expect daytime maximum temperatures of 28°C in Castellon, Spain in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 59 mm of rainfall in the month.

28
28°C max day temperature
8
8 hours of sunshine per day
7
7 days with some rainfall
17
17°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
59
59 mm of monthly rainfall
6
6 (High) UV index
25
25°C sea temperature

Back to months

Castellon weather in October

Expect daytime maximum temperatures of 23°C in Castellon, Spain in October based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 114 mm of rainfall in the month.

23
23°C max day temperature
7
7 hours of sunshine per day
10
10 days with some rainfall
13
13°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
114
114 mm of monthly rainfall
4
4 (Moderate) UV index
22
22°C sea temperature

Back to months

Castellon weather in November

Expect daytime maximum temperatures of 18°C in Castellon, Spain in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 43 mm of rainfall in the month.

18
18°C max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
9
9°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
43
43 mm of monthly rainfall
2
2 (Low) UV index
18
18°C sea temperature

Back to months

Castellon weather in December

Expect daytime maximum temperatures of 15°C in Castellon, Spain in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 46 mm of rainfall in the month.