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Average Monthly Sunshine in Castanhal

The graphs on this page shows the average number of hours per month and per day that Castanhal receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine


Seasonal sunshine in Castanhal varies. It peaks at 269 hours in August and drops to 102 hours in February. The total annual amount of sun is 2220 hours.

Daily hours of sunshine


This means the city can be enjoyed more throughout the sunniest month of August under a blue sky, with approximately 9.0 hours of sunshine daily. In contrast, the city experiences much darker days in February, with only 3.4 hours of sunlight per day.

Castanhal’s total hours of sunshine compared to other major cities

Castanhal enjoys an average of 2220 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

Boston, USA, enjoys 2629 hours of sunshine annually, with distinct seasons and many bright, sunny days.

Vancouver, Canada, receives approximately 1940 hours of sunshine annually.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

Other climate information

March, Castanhal’s wettest month, receives 35 mm of rainfall and has a maximum daytime temperature of 31°C. During the driest month October you can expect a temperature of 35°C.

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Castanhal Precipitation page.


Forecast: is it sunny in Castanhal?

Tue   Dec 24
34°C | 25°C
NE 3 m/s
4.8 mm
broken clouds and rain

broken clouds and rain

Wed   Dec 25
34°C | 24°C
NE 3 m/s
17 mm
broken clouds and thunder

broken clouds and thunder

Thu   Dec 26
33°C | 24°C
NE 3 m/s
1.1 mm
partly cloudy and slight rain

partly cloudy and slight rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Castanhal.

Our site offers climate and forecast data for every country in the world. Are you going to Brazil? On this website you can find historical weather averages for many cities in Brazil. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.