| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 16.3° | 10° | 67.2mm | 8.1 | 72 |
| February | 17° | 10.9° | 45.4mm | 6.9 | 77 |
| March | 18.8° | 12.6° | 60mm | 8 | 80 |
| April | 20.4° | 14.4° | 39.5mm | 6.2 | 88 |
| May | 23.1° | 16.9° | 27.7mm | 3.9 | 92 |
| June | 25.8° | 19.9° | 4.3mm | 1 | 98 |
| July | 27.7° | 21.7° | 0.2mm | 0.2 | 97 |
| August | 28.3° | 22.4° | 1.8mm | 0.4 | 94 |
| September | 26.2° | 20.6° | 26.1mm | 3.2 | 94 |
| October | 23.9° | 18° | 74.9mm | 7.1 | 86 |
| November | 19.7° | 13.6° | 84.4mm | 8 | 83 |
| December | 17.2° | 11.2° | 86mm | 8.7 | 74 |
January in Chiclana de la Frontera averages a daily high of 16.3°C with nights around 10°C. Expect roughly 8.1 wet days totalling 67.2mm. Generally workable, with some weather to plan around.
February in Chiclana de la Frontera averages a daily high of 17°C with nights around 10.9°C. Expect roughly 6.9 wet days totalling 45.4mm. Comfortable conditions for being outdoors all day.
March in Chiclana de la Frontera averages a daily high of 18.8°C with nights around 12.6°C. Expect roughly 8 wet days totalling 60mm. Comfortable conditions for being outdoors all day.
April in Chiclana de la Frontera averages a daily high of 20.4°C with nights around 14.4°C. Expect roughly 6.2 wet days totalling 39.5mm. Comfortable conditions for being outdoors all day.
May in Chiclana de la Frontera averages a daily high of 23.1°C with nights around 16.9°C. Expect roughly 3.9 wet days totalling 27.7mm. Comfortable conditions for being outdoors all day.
June in Chiclana de la Frontera averages a daily high of 25.8°C with nights around 19.9°C. Rain is rare — about 1 wet days and 4.3mm across the month. Comfortable conditions for being outdoors all day.
July in Chiclana de la Frontera averages a daily high of 27.7°C with nights around 21.7°C. Rain is rare — about 0.2 wet days and 0.2mm across the month. Comfortable conditions for being outdoors all day.
August in Chiclana de la Frontera averages a daily high of 28.3°C with nights around 22.4°C. Rain is rare — about 0.4 wet days and 1.8mm across the month. Comfortable conditions for being outdoors all day.
September in Chiclana de la Frontera averages a daily high of 26.2°C with nights around 20.6°C. Expect roughly 3.2 wet days totalling 26.1mm. Comfortable conditions for being outdoors all day.
October in Chiclana de la Frontera averages a daily high of 23.9°C with nights around 18°C. Expect roughly 7.1 wet days totalling 74.9mm. Comfortable conditions for being outdoors all day.
November in Chiclana de la Frontera averages a daily high of 19.7°C with nights around 13.6°C. Expect roughly 8 wet days totalling 84.4mm. Comfortable conditions for being outdoors all day.
December in Chiclana de la Frontera averages a daily high of 17.2°C with nights around 11.2°C. Expect roughly 8.7 wet days totalling 86mm. Generally workable, with some weather to plan around.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Chiclana de la Frontera peaks at 98.
Based on 30 years of records, May–September scores highest for comfort in Chiclana de la Frontera, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 28.3°C.
December is the wettest, averaging 86mm of rain across roughly 8.7 wet days.
January is the coolest month, with average daily highs around 16.3°C.