Coimbra · Portugal · 1995–2024 averages
Coimbra weather, month by month. June is the pick.
Thirty years of averages for Coimbra, Portugal — how hot it really feels, when the rain arrives, and what the air is like. June comes out on top; January is the one to skip.
The year at a glance
Tap a month for its full breakdown.
June
bestscore 89.1/100Mild, sticky and dryish, with clean air.
- Feels like
- 27°
- mild
- Real temp
- 26°
- mild
- Humidity
- 72%
- sticky
- Rain
- 32mm
- dryish
- Cloud cover
- 45%
- bright
- Air quality
- 46
- clean
- Daylight
- 15h
- long days
Month by month, metric by metric
Each row is one measure across the same twelve months. The tint says how good that month is for it, the word says why.
- Good
- Okay
- Rough
- Grim
Feels like
peaks at 30° in July
- Jan12°cold
- Feb13°cold
- Mar16°cool
- Apr18°cool
- May22°mild
- Jun27°mild
- Jul30°warm
- Aug30°warm
- Sep27°mild
- Oct22°mild
- Nov15°cool
- Dec12°cold
Real temp
14–29° in the shade across the year
- Jan14°cool
- Feb15°cool
- Mar18°cool
- Apr19°cool
- May22°mild
- Jun26°mild
- Jul28°warm
- Aug29°warm
- Sep27°mild
- Oct22°mild
- Nov17°cool
- Dec14°cool
Humidity
68% at its driest, 83% at its most oppressive
- Jan83%sweaty
- Feb79%sweaty
- Mar75%sweaty
- Apr75%sweaty
- May74%sticky
- Jun72%sticky
- Jul69%sticky
- Aug68%sticky
- Sep71%sticky
- Oct78%sweaty
- Nov82%sweaty
- Dec83%sweaty
Rain
127mm in October, 10mm in July
- Jan117mmsome rain
- Feb84mmsome rain
- Mar94mmsome rain
- Apr97mmsome rain
- May64mmdryish
- Jun32mmdryish
- Jul10mmdry
- Aug12mmdry
- Sep51mmdryish
- Oct127mmrainy
- Nov121mmsome rain
- Dec122mmsome rain
Cloud cover
33% at its clearest, 58% at its greyest
- Jan56%mixed
- Feb54%bright
- Mar56%mixed
- Apr56%mixed
- May54%bright
- Jun45%bright
- Jul33%clear
- Aug33%clear
- Sep43%bright
- Oct56%mixed
- Nov57%mixed
- Dec58%mixed
Air quality
worst in January, cleanest in May
- Jan54moderate
- Feb53moderate
- Mar51moderate
- Apr46clean
- May45clean
- Jun46clean
- Jul47clean
- Aug49clean
- Sep48clean
- Oct47clean
- Nov47clean
- Dec49clean
Daylight
9.4h to 15h of daylight across the year
- Jan9.7hshort
- Feb10.7hshortish
- Mar12heven
- Apr13.3heven
- May14.4hlong days
- Jun15hlong days
- Jul14.7hlong days
- Aug13.7heven
- Sep12.5heven
- Oct11.1hshortish
- Nov10hshortish
- Dec9.4hshort
Coimbra's air, month by month
The air is at its worst in January at 54 AQI (moderate), and at its cleanest in May at 45 (clean). It tracks the seasons closely.
Every month in full
All twelve months, all seven measures.
| Month | Feels like | Real temp | Humidity | Rain | Cloud cover | Air quality | Daylight |
|---|---|---|---|---|---|---|---|
| January | 12° cold | 14° cool | 83% sweaty | 117mm some rain | 56% mixed | 54 moderate | 9.7h short |
| February | 13° cold | 15° cool | 79% sweaty | 84mm some rain | 54% bright | 53 moderate | 10.7h shortish |
| March | 16° cool | 18° cool | 75% sweaty | 94mm some rain | 56% mixed | 51 moderate | 12h even |
| April | 18° cool | 19° cool | 75% sweaty | 97mm some rain | 56% mixed | 46 clean | 13.3h even |
| May | 22° mild | 22° mild | 74% sticky | 64mm dryish | 54% bright | 45 clean | 14.4h long days |
| June | 27° mild | 26° mild | 72% sticky | 32mm dryish | 45% bright | 46 clean | 15h long days |
| July | 30° warm | 28° warm | 69% sticky | 10mm dry | 33% clear | 47 clean | 14.7h long days |
| August | 30° warm | 29° warm | 68% sticky | 12mm dry | 33% clear | 49 clean | 13.7h even |
| September | 27° mild | 27° mild | 71% sticky | 51mm dryish | 43% bright | 48 clean | 12.5h even |
| October | 22° mild | 22° mild | 78% sweaty | 127mm rainy | 56% mixed | 47 clean | 11.1h shortish |
| November | 15° cool | 17° cool | 82% sweaty | 121mm some rain | 57% mixed | 47 clean | 10h shortish |
| December | 12° cold | 14° cool | 83% sweaty | 122mm some rain | 58% mixed | 49 clean | 9.4h short |
Coimbra weather questions
- What is the best time to visit Coimbra?
- June scores best across temperature, rain, humidity and air quality — 27° feels-like, 32mm of rain and 72% humidity. January is the month to avoid: 117mm of rain and 54 AQI.
- How hot does Coimbra get?
- July is the peak, at 30° feels-like (28° in the shade) — warm. Even in June it reaches 27°.
- When is the rainy season in Coimbra?
- October is the wettest month at 127mm, and July the driest at just 10mm.
- Is air quality a problem in Coimbra?
- January is the worst month at 54 AQI (moderate), and May the best at 45 (clean).
Weather normals from Open-Meteo (ERA5 reanalysis, 1995–2024) and CAMS air quality (2015–2024), licensed CC-BY-4.0. Contains modified Copernicus Climate Change Service information. These are long-run averages, not forecasts — any given year will differ.
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