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Castelo Novo Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Castelo Novo.
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Climate overview of Castelo Novo
Temperatures in Castelo Novo, Centro Region, Portugal, vary greatly throughout the year. July is the hottest month at 31°C (88°F), while January is the coldest at 12°C (54°F).
The city receives around 910 mm (36 in) of rainfall per year. It experiences a distinct dry season from June to August, with very warm summers and mild winters. October is the wettest month and July the driest. July is the sunniest month, averaging 11.5 hours of sunshine per day.
Castelo Novo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Castelo Novo - and find the best time to visit.
Monthly Temperature in Castelo Novo
The climate in Castelo Novo is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 31°C (88°F) in July to a moderate 12°C (54°F) in January.
Nighttime temperatures range from 17°C (63°F) in July to 4°C (39°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Castelo Novo
Generally, Castelo Novo receives mid-range precipitation levels, with 910 mm (36 in) annually. The seasons in Castelo Novo bring significant changes in precipitation. The wettest month, October, receives high rainfall, with an average of 134 mm (5.3 in) of precipitation. This rainfall is distributed across 12 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 9.2 mm (0.4 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Castelo Novo 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 Castelo Novo
In Castelo Novo, summer days are longer and more sunny, with daily sunshine hours peaking at 11.5 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.5 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Penhas Douradas, Portugal (37 KM, 23 Miles).
Daily hours of sunshine
Data from: Penhas Douradas, Portugal (37 KM, 23 Miles).
Humidity in Castelo Novo by Month
The relative humidity is high throughout the year in Castelo Novo.
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
Data from: Penhas Douradas, Portugal (37 KM, 23 Miles).
Best Time to Visit Castelo Novo
Conditions in Castelo Novo are generally most comfortable in May, June and September. They are typically least comfortable in January and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
wet
Feb
good
Mar
good
Apr
very good
May
excellent
Jun
excellent
Jul
very good
Aug
very good
Sep
excellent
Oct
very good
Nov
mixed
Dec
wet
- Best overall: May, June 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 very warm summers and mild winters
Frequently asked questions about the climate in Castelo Novo
What is the best time to visit Castelo Novo?
May, June and September typically offer the most optimal weather in Castelo Novo. In contrast, January and December tend to have less optimal conditions. Castelo Novo has a distinct dry season from June to August, with very warm summers and mild winters.
What temperatures can I expect in Castelo Novo?
Daytime highs range from 12°C (54°F) in January to 31°C (88°F) in July. Nighttime lows range from 4°C (39°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Castelo Novo get?
Annual rainfall is around 910 mm (36 in). October is the wettest month with 134 mm (5.3 in), while July is the driest with 9.2 mm (0.4 in).
How sunny is Castelo Novo?
Castelo Novo 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, Castelo Novo enjoys abundant sunshine.
Castelo Novo 3-Day Forecast
Castelo Novo on the map
Castelo Novo is highlighted - select any city to see its climate.
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