Weather in Castelo in May

General weather information about Castelo

Average annual temperature is 12.9 °C

Absolute maximum temperature: 36.0 °C

Absolute minimum temperature: -3.8 °C

Number of sunny days: 155 days

Number of rainy days: 209 days

Number of snow days: 1 day

Look at detailed online map of Castelo

* Weather data for Castelo Spain is based on climate observations for 2026 year

Castelo air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	12.7	16.7	20.4	23.7	26.6	31.0	27.5	36.0	29.0	30.1	18.3	16.3
Average daytime temperature (°C)	9.2	11.5	14.2	18.4	19.9	23.0	24.1	26.0	23.0	20.0	14.0	10.3
Average temperature (°C)	6.0	5.4	9.7	12.3	14.5	17.8	18.5	19.9	17.4	15.7	10.7	6.8
Average night temperature (°C)	3.0	0.9	5.9	7.3	9.8	13.7	13.5	14.9	13.1	12.1	8.1	3.6
Absolute minimum temperature (°C)	-3.7	-2.7	-3.8	1.7	5.7	10.4	8.7	9.3	7.7	7.4	3.7	-3.7

Castelo monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	9.0
Daylight mean duration (h)	9.4	10.5	11.9	13.4	14.6	15.3	15.0	13.9	12.5	11.0	9.8	9.1
Daylight minimum duration (h)	9.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	9.0	9.0
Sunshine mean duration (h)	4.9	8.4	8.0	9.9	11.5	11.3	11.7	10.9	9.9	6.3	4.9	4.5
Precipitation (mm)	211	21	62	55	44	121	16	22	109	262	180	110
Sunny days	11	20	8	15	10	11	18	19	12	12	8	11
Rainy days	20	7	23	15	21	19	13	12	18	19	22	20
Snow days	0	1	0	0	0	0	0	0	0	0	0	0

Castelo - weather forecast by months

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Best time to visit Castelo:

The best time to visit Castelo during the most sunny months:

May — 11.5(h)
June — 11.3(h)
July — 11.7(h)
August — 10.9(h)

Months with the longest average daylight duration in Castelo:

June — 15.3(h)

The largest precipitation sum in Castelo is at

January — 211(mm)

October — 262(mm)

November — 180(mm)

Weather forecast in the closest to Castelo admin centers