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Coimbra Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Coimbra.
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Climate overview of Coimbra
The climate in Coimbra, Beiras region, Portugal, is marked by large temperature swings across the seasons, ranging from 29°C (84°F) in August to 15°C (59°F) in January.
The city receives around 983 mm (39 in) of rainfall per year. It experiences a distinct dry season from June to August, with warm summers and mild winters. October is the wettest month and July the driest. Sunshine peaks in July, when the city sees around 10.2 hours of sunshine per day.
Coimbra Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Coimbra - and find the best time to visit.
Monthly Temperature in Coimbra
In Coimbra, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 29°C (84°F) in August to a moderate 15°C (59°F) in January.
Nighttime temperatures range from 16°C (61°F) in August to 5°C (41°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Coimbra
On average, Coimbra receives a reasonable amount of rainfall, with an annual precipitation of 983 mm (39 in). The seasons in Coimbra bring significant changes in precipitation. The wettest month, October, receives high rainfall, with an average of 127 mm (5 in) of precipitation. This rainfall is distributed across 13 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 12 mm (0.5 in) over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Coimbra Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Coimbra
In Coimbra, summer days are longer and more sunny, with daily sunshine hours peaking at 10.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.6 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Coimbra by Month
The relative humidity is high throughout the year in Coimbra.
The city experiences its highest humidity in January, reaching 78%. In July, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Coimbra
The most comfortable overall weather for exploring Coimbra is usually found in May, June, July, August and September. Conditions are generally least comfortable in January, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
mixed
Feb
good
Mar
very good
Apr
very good
May
excellent
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
very good
Nov
mixed
Dec
mixed
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: July and August
- Fewest rainy days: July and August
- Seasonal pattern: A distinct dry season from June to August, with warm summers and mild winters
Frequently asked questions about the climate in Coimbra
What is the best time to visit Coimbra?
May, June, July, August and September typically offer the most optimal weather in Coimbra. In contrast, January, November and December tend to have less optimal conditions. Coimbra has a distinct dry season from June to August, with warm summers and mild winters.
What temperatures can I expect in Coimbra?
Daytime highs range from 15°C (59°F) in January to 29°C (84°F) in August. Nighttime lows range from 5°C (41°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Coimbra get?
Annual rainfall is around 983 mm (39 in). October is the wettest month with 127 mm (5 in), while July is the driest with 12 mm (0.5 in).
How sunny is Coimbra?
Coimbra receives around 2,502 hours of sunshine per year. July is the sunniest month with 305 hours, while December is the cloudiest with just 138 hours. Overall, Coimbra enjoys abundant sunshine.
Coimbra 3-Day Forecast
Coimbra on the map
Coimbra is highlighted - select any city to see its climate.
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