Sunlight Analysis

Sunlight Hours in Fianarantsoa

Sunlight hours, shadow patterns, and solar analysis for Fianarantsoa, MG

Interactive 3D Shadow Map

Summer afternoon in Fianarantsoa

Fianarantsoa

3:30 PM • Summer Solstice

Full Screen

Interactive 3D shadow analysis map of Fianarantsoa. 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

05:56

Sunset

18:04

Total Daylight

12h 8m

Sun Altitude

70°

at noon

Seasonal Extremes

☀️

Longest Day

13.3h

2026-12-21

❄️

Shortest Day

10.7h

2026-06-21

Interactive 3D

Explore Shadows in 3D

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

Location
Lat

-21.4527°

Lng

47.0857°

Launch 3D Map

Best Time to Visit Fianarantsoa

Month-by-month daylight conditions

Fianarantsoa 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

13.2h

Excellent

Summer

Feb

12.7h

Excellent

Autumn

Mar

12.1h

Great

Autumn

Apr

11.5h

Great

Autumn

May

11.0h

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 Fianarantsoa

Best times for photography

March Golden Hour

Morning

05:56 - 06:56

Blue hour from 05:26

Evening

17:04 - 18:04

Blue hour until 18:34

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 Fianarantsoa's Sunlight

AI-powered insights for your location

Fianarantsoa's tropical location (21.5°S) creates minimal seasonal variation, with winter days 2.6 hours shorter than summer. The sun reaches 88° at summer noon but only 45° 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 Fianarantsoa. Consider shadow patterns from neighboring structures when planning outdoor spaces.

Solar Energy Potential

Is Fianarantsoa good for solar panels?

Fianarantsoa 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

Dec, Jan, Nov

highest output

Relative Monthly Production

Jan
98%
Feb
87%
Mar
72%
Apr
57%
May
47%
Jun
42%
Jul
44%
Aug
53%
Sep
66%
Oct
82%
Nov
96%
Dec
100%

Installation Tips for Fianarantsoa

  • 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 Fianarantsoa

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
10
May
10
Jun
10
Jul
11
Aug
12
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 Fianarantsoa

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
05:2418:37
13h 10m
88°
☀️February
05:4418:26
12h 43m
81°
March
05:5618:04
12h 8m
70°
April
06:0617:37
11h 31m
59°
May
06:1717:18
11h 1m
50°
June
06:2917:14
10h 46m
46°
July
06:3217:23
10h 53m
48°
August
06:1717:34
11h 19m
55°
September
05:5017:43
11h 53m
66°
October
05:2217:52
12h 30m
77°
November
05:0418:07
13h 2m
87°
☀️December
05:0618:27
13h 19m
89°
☀️

Summer Solstice

13.3h daylight

❄️

Winter Solstice

10.7h daylight

Explore Nearby Cities

Sunlight data for surrounding areas

Frequently Asked Questions

Sunlight in Fianarantsoa

1

How many hours of sunlight does Fianarantsoa get?

Fianarantsoa receives an average of 12 hours of daylight per day. This varies throughout the year, from 10.7 hours on the shortest day to 13.3 hours on the longest day.

2

What is the sun angle in Fianarantsoa during winter?

During winter solstice, the sun reaches a maximum altitude of only 45.1° above the horizon at solar noon in Fianarantsoa. This creates shadows that are 1.0x the height of objects.

3

When is the best time for outdoor activities in Fianarantsoa?

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

4

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

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

5

What time is golden hour in Fianarantsoa?

In March, golden hour in Fianarantsoa occurs in the morning from 05:56 - 06:56 and in the evening from 17:04 - 18:04. These times shift throughout the year as sunrise and sunset times change.

6

What is the UV index in Fianarantsoa?

The UV index in Fianarantsoa 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 Fianarantsoa?

Fianarantsoa 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 Fianarantsoa?

In March, sunrise in Fianarantsoa is around 05:56 and sunset is around 18:04, giving 12.1 hours of daylight. The earliest sunrise occurs around the summer solstice (05:09) and latest sunset follows shortly after.

9

What is the best month to visit Fianarantsoa for weather?

For optimal daylight and outdoor conditions in Fianarantsoa, 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 Fianarantsoa?

Shadow length varies dramatically by season in Fianarantsoa. At summer noon, shadows are only 0.0x the height of objects (sun at 88°). In winter, shadows extend to 1.0x object height (sun at just 45°).