Castro Daire Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Castro Daire.
Climate overview of Castro Daire
Castro Daire, Centro Region, Portugal, experiences significant temperature variation throughout the year. Summers bring daytime highs of 28°C (82°F) in August, while winters cool to 12°C (54°F) in January.
Rainfall is high, totalling around 1214 mm (48 in) per year. October is the wettest month and July the driest. The city also experiences a distinct dry season from July to August. The sunniest month is July, with 11.5 hours of sunshine per day on average.
Castro Daire Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Castro Daire — and find the best time to visit.
Monthly Temperature in Castro Daire
Depending on the time of the year, temperatures range from comfortable to chilly in Castro Daire. Average maximum daytime temperatures range from a comfortable 28°C (82°F) in August, the warmest time of the year, to a chilly 12°C (54°F) during cooler months like January.
At night, you can expect temperatures ranging from 15°C (59°F) in August to around 3°C (37°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Castro Daire
Castro Daire has a relatively rainy climate with high precipitation levels, averaging 1214 mm (48 in) of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives heavy rainfall, averaging 161 mm (6.3 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month July brings less rainfall, with 23 mm (0.9 in) over 7 rainy days. For more details, please visit our Castro Daire 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 Castro Daire
Seasonal changes in sunshine hours are quite dramatic in Castro Daire. While July receives considerable daily sunshine with up to 11.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.5 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Castro Daire by Month
The relative humidity is high throughout the year in Castro Daire.
The city experiences its highest humidity in February, reaching 81%. In August, the humidity drops to its lowest level at 55%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Castro Daire
Rainfall during this time ranges from 23 mm (0.9 in) in July to 102 mm (4 in) in May. This means you can expect a mix of sunny days and occasional showers.
The rainy season falls during October, bringing heavy precipitation. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in Castro Daire
What is the best time to visit Castro Daire?
June, July, August and September typically offer the most optimal weather in Castro Daire. In contrast, January, February and December tend to have less optimal conditions. Castro Daire has a distinct dry season from July to August.
What temperatures can I expect in Castro Daire?
Daytime highs range from 12°C (54°F) in January to 28°C (82°F) in August. Nighttime lows range from 3°C (37°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Castro Daire get?
Annual rainfall is around 1214 mm (48 in). October is the wettest month with 161 mm (6.3 in), while July is the driest with 23 mm (0.9 in).
How sunny is Castro Daire?
Castro Daire receives around 2,427 hours of sunshine per year. July is the sunniest month with 345 hours, while December is the cloudiest with just 105 hours. Overall, Castro Daire enjoys abundant sunshine.
Castro Daire 3-Day Forecast
Castro Daire 3-Day Forecast
Castro Daire on the map
Castro Daire is highlighted — select any city to see its climate.
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