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The average temperature in Castalla over the whole year is 18°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 7°C. Castalla has no sharply defined rainy season: the chance of rain on a given day runs from 10% in July, the driest month, to 24% in March, the wettest. Winds in Castalla are highest in March, averaging 2.9 m/s (10 km/h), and lightest in October, at 2.1 m/s (8 km/h). The prevailing wind is from the SE. The clearest skies in Castalla come in July, when the sky is typically 24% covered; March is the cloudiest month, at 52%.
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 16°C | 7°C | 12°C | 21% | 40% | 2.5 m/s | 31 | 0 | 84 |
| February | 17°C | 8°C | 14°C | 16% | 43% | 2.5 m/s | 47 | 0 | 88 |
| March | 18°C | 10°C | 15°C | 24% | 52% | 2.9 m/s | 53 | 2 | 84 |
| April | 20°C | 12°C | 17°C | 22% | 52% | 2.7 m/s | 74 | 4 | 83 |
| May | 24°C | 16°C | 22°C | 18% | 41% | 2.5 m/s | 87 | 26 | 60 |
| June | 28°C | 21°C | 27°C | 11% | 31% | 2.5 m/s | 53 | 73 | 15 |
| July | 31°C | 23°C | 32°C | 10% | 24% | 2.5 m/s | 10 | 71 | 1 |
| August | 31°C | 23°C | 32°C | 18% | 28% | 2.4 m/s | 10 | 65 | 1 |
| September | 28°C | 20°C | 28°C | 20% | 44% | 2.4 m/s | 41 | 75 | 11 |
| October | 25°C | 16°C | 23°C | 19% | 41% | 2.1 m/s | 80 | 45 | 42 |
| November | 19°C | 12°C | 17°C | 21% | 43% | 2.4 m/s | 70 | 4 | 81 |
| December | 17°C | 9°C | 14°C | 18% | 42% | 2.4 m/s | 50 | 0 | 87 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Year round, Castalla has days of about 16°C at their warmest in January, its coolest month, and 31°C in July, its warmest; the coolest hours of the day run from 7°C to 23°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around March and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Winter in Castalla has typical daily highs of about 16°C and lows of about 8°C, with a 18% chance of rain on a given day.
Spring in Castalla has typical daily highs of about 21°C and lows of about 13°C, with a 21% chance of rain on a given day.
Summer in Castalla has typical daily highs of about 30°C and lows of about 22°C, with a 13% chance of rain on a given day.
Autumn in Castalla has typical daily highs of about 24°C and lows of about 16°C, with a 20% chance of rain on a given day.
Castalla has no sharply defined rainy season: the chance of rain on a given day runs from 10% in July, the driest month, to 24% in March, the wettest.
Winds in Castalla are highest in March, averaging 2.9 m/s (10 km/h), and lightest in October, at 2.1 m/s (8 km/h). The prevailing wind is from the SE.
The average temperature in Castalla over the whole year is 18°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 7°C.