Sunlight Analysis

Sunlight Hours in Curitiba

Sunlight hours, shadow patterns, and solar analysis for Curitiba, Brazil

Interactive 3D Shadow Map

Summer afternoon in Curitiba

Curitiba

3:30 PM • Summer Solstice

Full Screen

Interactive 3D shadow analysis map of Curitiba. Shows real building shadows based on sun position calculations. Features include: time-of-day simulation, date selection for seasonal analysis, 3D building rendering, tree shadows, terrain elevation, and sun position indicators. Powered by Mapbox GL JS and SunCalc astronomical calculations.

Drag to rotateScroll to zoomWatch shadows move in real-time

Today's Sunlight

March Average

Sunrise

06:20

Sunset

18:30

Total Daylight

12h 8m

Sun Altitude

66°

at noon

Seasonal Extremes

☀️

Longest Day

13.6h

2026-12-21

❄️

Shortest Day

10.5h

2026-06-21

Interactive 3D

Explore Shadows in 3D

See exactly how building shadows fall across Curitiba at any time of day or year.

Location
Lat

-25.4278°

Lng

-49.2731°

Launch 3D Map

Best Time to Visit Curitiba

Month-by-month daylight conditions

Curitiba has moderate seasonal variation (3.2h difference between longest and shortest days). November-February offers the best conditions for outdoor activities.

Peak Months

Dec, Jan, Nov, Feb

Shoulder Season

Oct & Mar

Summer

Jan

13.4h

Excellent

Summer

Feb

12.8h

Excellent

Autumn

Mar

12.1h

Great

Autumn

Apr

11.4h

Good

Autumn

May

10.8h

Good

Winter

Jun

10.5h

Good

Winter

Jul

10.7h

Good

Winter

Aug

11.2h

Good

Spring

Sep

11.9h

Great

Spring

Oct

12.6h

Great

Spring

Nov

13.3h

Excellent

Summer

Dec

13.6h

Excellent

Excellent (14h+) Great (12-14h) Good (10-12h) Fair (8-10h) Limited (<8h)

Golden Hour in Curitiba

Best times for photography

March Golden Hour

Morning

06:20 - 07:20

Blue hour from 05:50

Evening

17:30 - 18:30

Blue hour until 19:00

Best Months

  • 1Year-roundConsistent golden hour length
  • 2Apr-OctMilder temperatures for outdoor shoots
  • 3Dec-FebLatest sunsets for evening shoots

Photography Tips

  • Golden hour transitions are relatively quick - be prepared and in position early
  • Midday sun can be harsh; use it for high-contrast architectural photography
  • Face north during midday for even lighting on subjects
  • Check the 3D shadow map to scout locations and predict light direction

Understanding Curitiba's Sunlight

AI-powered insights for your location

Curitiba's mid-latitude location (25.4°S) creates moderate seasonal variation, with winter days 3.2 hours shorter than summer. The sun reaches 88° at summer noon but only 41° in winter.

Key Challenges

  • 1Consider local weather patterns that may affect sunshine
  • 2Urban buildings may create additional shadows

Best Months

October through March offers the longest days and highest sun angles in the Southern Hemisphere.

Garden Tips

North-facing gardens receive the most consistent sunlight year-round in Curitiba. Consider shadow patterns from neighboring structures when planning outdoor spaces.

Solar Energy Potential

Is Curitiba good for solar panels?

With approximately 1,973 annual sun hours, Curitiba has good solar potential. A well-designed system can significantly reduce electricity costs.

Annual Sun Hours

1,973

estimated

Optimal Panel Tilt

25°

facing north

Peak Production

Dec, Jan, Nov

highest output

Relative Monthly Production

Jan
96%
Feb
83%
Mar
68%
Apr
53%
May
42%
Jun
37%
Jul
39%
Aug
48%
Sep
62%
Oct
78%
Nov
93%
Dec
100%

Installation Tips for Curitiba

  • Orient panels north with a 25° tilt for optimal year-round performance
  • Use the 3D shadow map to check for obstructions from trees or neighboring buildings
  • Consider seasonal tilt adjustment: steeper in winter (40°), flatter in summer (10°)

UV Index & Sun Safety

Protect yourself in Curitiba

March UV Index

12Extreme

Maximum protection essential. Avoid outdoor activities during peak hours.

UV Index Scale:
1-2 Low3-5 Mod6-7 High8-10 V.High11+ Ext

Monthly UV Index

13
Jan
13
Feb
12
Mar
11
Apr
10
May
9
Jun
9
Jul
10
Aug
12
Sep
13
Oct
13
Nov
13
Dec

Peak UV Months

Jan, Feb, Oct have the highest UV levels (up to 13). Take extra precautions during these months.

Protection Needed

  • SPF 50+ broad-spectrum sunscreen
  • Full coverage clothing and wide-brim hat
  • Stay indoors 10am-4pm

Outdoor Activities in Curitiba

Best times for popular activities

Best Activities in March

🥇

Outdoor Dining

56% match

🥈

Hiking & Walking

56% match

🥉

Gardening

56% match

Year-Round Activity Guide

ActivityJanFebMarAprMayJunJulAugSepOctNovDec
Outdoor Dining
Hiking & Walking
Beach & Swimming
Photography
Gardening
Running & Cycling
Best months Good Fair Limited Current month

Outdoor Dining

Enjoy al fresco dining during the warmer months with longer evening light.

Best:Dec, Jan, Feb

Hiking & Walking

Mild temperatures and good daylight make spring and autumn ideal for trails.

Best:Mar, Apr, Oct

Beach & Swimming

Peak sun and warmest temperatures during summer months.

Best:Dec, Jan, Feb

Seasonal Sunlight Calendar

Monthly averages throughout the year

MonthSunriseSunsetDaylightSun Angle
☀️January
05:4219:09
13h 25m
85°
☀️February
06:0518:56
12h 51m
77°
March
06:2018:30
12h 8m
66°
April
06:3417:58
11h 24m
55°
May
06:4917:36
10h 48m
46°
June
07:0317:31
10h 30m
42°
July
07:0417:41
10h 39m
44°
August
06:4717:55
11h 10m
51°
September
06:1618:08
11h 52m
62°
October
05:4518:20
12h 36m
73°
November
05:2318:39
13h 15m
83°
☀️December
05:2319:00
13h 35m
87°
☀️

Summer Solstice

13.6h daylight

❄️

Winter Solstice

10.5h daylight

Explore Nearby Cities

Sunlight data for surrounding areas

Frequently Asked Questions

Sunlight in Curitiba

1

How many hours of sunlight does Curitiba get?

Curitiba receives an average of 12 hours of daylight per day. This varies throughout the year, from 10.5 hours on the shortest day to 13.6 hours on the longest day.

2

What is the sun angle in Curitiba during winter?

During winter solstice, the sun reaches a maximum altitude of only 41.1° above the horizon at solar noon in Curitiba. This creates shadows that are 1.1x the height of objects.

3

When is the best time for outdoor activities in Curitiba?

October through March offers the longest days and highest sun angles in the Southern Hemisphere.

4

How do I plan a garden in Curitiba for maximum sunlight?

North-facing gardens receive the most consistent sunlight year-round in Curitiba. Consider shadow patterns from neighboring structures when planning outdoor spaces.

5

What time is golden hour in Curitiba?

In March, golden hour in Curitiba occurs in the morning from 06:20 - 07:20 and in the evening from 17:30 - 18:30. These times shift throughout the year as sunrise and sunset times change.

6

What is the UV index in Curitiba?

The UV index in Curitiba varies by season. During summer, UV can reach 13 (very high), while winter UV levels are much lower. Always check daily UV forecasts and wear SPF 30+ sunscreen during peak hours (10am-4pm).

7

Are solar panels worth it in Curitiba?

Curitiba receives approximately 1,973 hours of sunshine annually. This makes it a good location for solar panels, with typical payback periods of 5-10 years. For optimal performance, orient panels north at a 25° tilt angle.

8

When is sunrise and sunset in Curitiba?

In March, sunrise in Curitiba is around 06:20 and sunset is around 18:30, giving 12.1 hours of daylight. The earliest sunrise occurs around the summer solstice (05:26) and latest sunset follows shortly after.

9

What is the best month to visit Curitiba for weather?

For optimal daylight and outdoor conditions in Curitiba, October through March offers the longest days and highest sun angles in the Southern Hemisphere. The shoulder seasons often offer a good balance of pleasant weather and fewer crowds.

10

How long are shadows in Curitiba?

Shadow length varies dramatically by season in Curitiba. At summer noon, shadows are only 0.0x the height of objects (sun at 88°). In winter, shadows extend to 1.1x object height (sun at just 41°).