Sunlight Analysis

Sunlight Hours in Franca

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

Interactive 3D Shadow Map

Summer afternoon in Franca

Franca

3:30 PM • Summer Solstice

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Interactive 3D shadow analysis map of Franca. 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

06:14

Sunset

18:22

Total Daylight

12h 7m

Sun Altitude

71°

at noon

Seasonal Extremes

☀️

Longest Day

13.3h

2026-12-21

❄️

Shortest Day

10.8h

2026-06-21

Interactive 3D

Explore Shadows in 3D

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

Location
Lat

-20.5386°

Lng

-47.4008°

Launch 3D Map

Best Time to Visit Franca

Month-by-month daylight conditions

Franca lies in the tropics with consistent daylight year-round. Any time of year offers good sunlight conditions.

Peak Months

Dec, Jan, Nov, Feb

Shoulder Season

Oct & Mar

Summer

Jan

13.1h

Excellent

Summer

Feb

12.7h

Excellent

Autumn

Mar

12.1h

Great

Autumn

Apr

11.5h

Great

Autumn

May

11.1h

Good

Winter

Jun

10.8h

Good

Winter

Jul

10.9h

Good

Winter

Aug

11.3h

Good

Spring

Sep

11.9h

Great

Spring

Oct

12.5h

Great

Spring

Nov

13.0h

Excellent

Summer

Dec

13.3h

Excellent

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

Golden Hour in Franca

Best times for photography

March Golden Hour

Morning

06:14 - 07:14

Blue hour from 05:44

Evening

17:22 - 18:22

Blue hour until 18:52

Best Months

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

Photography Tips

  • In the tropics, golden hour is brief but intense - arrive early to your location
  • The sun rises and sets nearly vertically, creating short but vibrant color displays
  • Face north during midday for even lighting on subjects
  • Check the 3D shadow map to scout locations and predict light direction

Understanding Franca's Sunlight

AI-powered insights for your location

Franca's tropical location (20.5°S) creates minimal seasonal variation, with winter days 2.5 hours shorter than summer. The sun reaches 87° at summer noon but only 46° 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 Franca. Consider shadow patterns from neighboring structures when planning outdoor spaces.

Solar Energy Potential

Is Franca good for solar panels?

Franca receives approximately 2,413 hours of sunshine annually, making it an excellent location for solar energy. Most residential installations achieve payback within 5-7 years.

Annual Sun Hours

2,413

estimated

Optimal Panel Tilt

21°

facing north

Peak Production

Jan, Dec, Nov

highest output

Relative Monthly Production

Jan
99%
Feb
89%
Mar
74%
Apr
59%
May
48%
Jun
43%
Jul
46%
Aug
55%
Sep
68%
Oct
84%
Nov
97%
Dec
100%

Installation Tips for Franca

  • Orient panels north with a 21° 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 (36°), flatter in summer (10°)

UV Index & Sun Safety

Protect yourself in Franca

March UV Index

13Extreme

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

14
Jan
13
Feb
13
Mar
12
Apr
11
May
10
Jun
10
Jul
11
Aug
13
Sep
13
Oct
14
Nov
14
Dec

Peak UV Months

Jan, Nov, Dec have the highest UV levels (up to 14). 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 Franca

Best times for popular activities

Best Activities in March

🥇

Outdoor Dining

26% match

🥈

Hiking & Walking

26% match

🥉

Beach & Swimming

26% 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:May, Jun, Jul

Hiking & Walking

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

Best:May, Jun, Jul

Beach & Swimming

Peak sun and warmest temperatures during summer months.

Best:May, Jun, Jul

Seasonal Sunlight Calendar

Monthly averages throughout the year

MonthSunriseSunsetDaylightSun Angle
☀️January
05:4418:53
13h 7m
88°
☀️February
06:0318:43
12h 41m
82°
March
06:1418:22
12h 7m
71°
April
06:2317:55
11h 32m
60°
May
06:3417:37
11h 4m
51°
June
06:4617:34
10h 50m
47°
July
06:4817:43
10h 56m
49°
August
06:3417:54
11h 21m
56°
September
06:0818:01
11h 54m
67°
October
05:4118:09
12h 29m
78°
November
05:2418:24
12h 59m
87°
☀️December
05:2618:43
13h 15m
88°
☀️

Summer Solstice

13.3h daylight

❄️

Winter Solstice

10.8h daylight

Explore Nearby Cities

Sunlight data for surrounding areas

Frequently Asked Questions

Sunlight in Franca

1

How many hours of sunlight does Franca get?

Franca receives an average of 12 hours of daylight per day. This varies throughout the year, from 10.8 hours on the shortest day to 13.3 hours on the longest day.

2

What is the sun angle in Franca during winter?

During winter solstice, the sun reaches a maximum altitude of only 46.0° above the horizon at solar noon in Franca. This creates shadows that are 1.0x the height of objects.

3

When is the best time for outdoor activities in Franca?

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

4

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

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

5

What time is golden hour in Franca?

In March, golden hour in Franca occurs in the morning from 06:14 - 07:14 and in the evening from 17:22 - 18:22. These times shift throughout the year as sunrise and sunset times change.

6

What is the UV index in Franca?

The UV index in Franca varies by season. During summer, UV can reach 14 (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 Franca?

Franca receives approximately 2,413 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 21° tilt angle.

8

When is sunrise and sunset in Franca?

In March, sunrise in Franca is around 06:14 and sunset is around 18:22, giving 12.1 hours of daylight. The earliest sunrise occurs around the summer solstice (05:28) and latest sunset follows shortly after.

9

What is the best month to visit Franca for weather?

For optimal daylight and outdoor conditions in Franca, 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 Franca?

Shadow length varies dramatically by season in Franca. At summer noon, shadows are only 0.1x the height of objects (sun at 87°). In winter, shadows extend to 1.0x object height (sun at just 46°).