| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 13.2° | 6.2° | 124.2mm | 16.1 | 48 |
| February | 13.4° | 6.1° | 92.5mm | 13.2 | 52 |
| March | 14.8° | 7.1° | 86.5mm | 13.1 | 57 |
| April | 15.8° | 8.2° | 84.8mm | 14.1 | 58 |
| May | 17.7° | 10.5° | 71.5mm | 13.9 | 65 |
| June | 20° | 13.4° | 61.1mm | 11.2 | 78 |
| July | 21.9° | 15.3° | 42.3mm | 10 | 80 |
| August | 22.7° | 15.7° | 57.1mm | 10.4 | 79 |
| September | 21.4° | 14° | 67mm | 10 | 80 |
| October | 19.6° | 11.9° | 106.1mm | 14 | 71 |
| November | 15.5° | 8.6° | 152mm | 17 | 56 |
| December | 13.8° | 6.7° | 123.8mm | 15.7 | 50 |
January in Avilés averages a daily high of 13.2°C with nights around 6.2°C. Expect roughly 16.1 wet days totalling 124.2mm. Demanding conditions — pack for it and plan indoor options.
February in Avilés averages a daily high of 13.4°C with nights around 6.1°C. Expect roughly 13.2 wet days totalling 92.5mm. Demanding conditions — pack for it and plan indoor options.
March in Avilés averages a daily high of 14.8°C with nights around 7.1°C. Expect roughly 13.1 wet days totalling 86.5mm. Generally workable, with some weather to plan around.
April in Avilés averages a daily high of 15.8°C with nights around 8.2°C. Expect roughly 14.1 wet days totalling 84.8mm. Generally workable, with some weather to plan around.
May in Avilés averages a daily high of 17.7°C with nights around 10.5°C. Expect roughly 13.9 wet days totalling 71.5mm. Generally workable, with some weather to plan around.
June in Avilés averages a daily high of 20°C with nights around 13.4°C. Expect roughly 11.2 wet days totalling 61.1mm. Comfortable conditions for being outdoors all day.
July in Avilés averages a daily high of 21.9°C with nights around 15.3°C. Expect roughly 10 wet days totalling 42.3mm. Comfortable conditions for being outdoors all day.
August in Avilés averages a daily high of 22.7°C with nights around 15.7°C. Expect roughly 10.4 wet days totalling 57.1mm. Comfortable conditions for being outdoors all day.
September in Avilés averages a daily high of 21.4°C with nights around 14°C. Expect roughly 10 wet days totalling 67mm. Comfortable conditions for being outdoors all day.
October in Avilés averages a daily high of 19.6°C with nights around 11.9°C. Expect roughly 14 wet days totalling 106.1mm. Generally workable, with some weather to plan around.
November in Avilés averages a daily high of 15.5°C with nights around 8.6°C. Expect roughly 17 wet days totalling 152mm. Generally workable, with some weather to plan around.
December in Avilés averages a daily high of 13.8°C with nights around 6.7°C. Expect roughly 15.7 wet days totalling 123.8mm. Demanding conditions — pack for it and plan indoor options.
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. Avilés peaks at 80.
Based on 30 years of records, June–September scores highest for comfort in Avilés, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 22.7°C.
November is the wettest, averaging 152mm of rain across roughly 17 wet days.
January is the coolest month, with average daily highs around 13.2°C.