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Sunlight Analysis

Sunlight Hours in Christchurch

Sunlight hours, shadow patterns, and solar analysis for Christchurch, New Zealand

Interactive 3D Shadow Map

Summer afternoon in Christchurch

Christchurch

3:30 PM • Summer Solstice

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Interactive 3D shadow analysis map of Christchurch. 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

07:29

Sunset

19:46

Total Daylight

12h 15m

Sun Altitude

48°

at noon

Seasonal Extremes

☀️

Longest Day

15.3h

2026-12-21

❄️

Shortest Day

8.8h

2026-06-21

Interactive 3D

Explore Shadows in 3D

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

Location
Lat

-43.5333°

Lng

172.6333°

Launch 3D Map

Best Time to Visit Christchurch

Month-by-month daylight conditions

Christchurch has moderate seasonal variation (6.5h 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

14.8h

Excellent

Summer

Feb

13.7h

Excellent

Autumn

Mar

12.3h

Great

Autumn

Apr

10.8h

Good

Autumn

May

9.5h

Fair

Winter

Jun

8.9h

Limited

Winter

Jul

9.2h

Fair

Winter

Aug

10.3h

Fair

Spring

Sep

11.7h

Good

Spring

Oct

13.2h

Excellent

Spring

Nov

14.5h

Excellent

Summer

Dec

15.2h

Excellent

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

Golden Hour in Christchurch

Best times for photography

March Golden Hour

Morning

07:29 - 08:29

Blue hour from 06:59

Evening

18:46 - 19:46

Blue hour until 20:16

Best Months

  • 1Year-round — Consistent golden hour length
  • 2Apr-Oct — Milder temperatures for outdoor shoots
  • 3Dec-Feb — Latest 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

Scout your shot in 3D

See exactly where shadows fall at any time

Understanding Christchurch's Sunlight

AI-powered insights for your location

Christchurch's mid-latitude location (43.5°S) creates moderate seasonal variation, with winter days 6.5 hours shorter than summer. The sun reaches 70° at summer noon but only 23° in winter.

Key Challenges

  • 1Very low winter sun angle (23°) creates long shadows
  • 2Winter shadows extend 2.4x object height
  • 3Large daylight variation (6.5h) between seasons
  • 4Short winter days (8.8h) limit outdoor activities

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 Christchurch. Consider shadow patterns from neighboring structures when planning outdoor spaces.

Solar Energy Potential

Is Christchurch good for solar panels?

With approximately 1,971 annual sun hours, Christchurch has good solar potential. A well-designed system can significantly reduce electricity costs.

Annual Sun Hours

1,971

estimated

Optimal Panel Tilt

44°

facing north

Peak Production

Dec, Jan, Nov

highest output

Relative Monthly Production

Jan
94%
Feb
76%
Mar
56%
Apr
37%
May
25%
Jun
20%
Jul
22%
Aug
33%
Sep
49%
Oct
70%
Nov
90%
Dec
100%

Installation Tips for Christchurch

  • Orient panels north with a 44° 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 (59°), flatter in summer (29°)

UV Index & Sun Safety

Protect yourself in Christchurch

March UV Index

9Very High

Extra protection needed. Avoid midday sun if possible.

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

Monthly UV Index

11
Jan
10
Feb
9
Mar
7
Apr
6
May
5
Jun
5
Jul
7
Aug
8
Sep
10
Oct
11
Nov
11
Dec

Peak UV Months

Jan, Nov, Dec have the highest UV levels (up to 11). Take extra precautions during these months.

Protection Needed

  • SPF 50+ sunscreen (reapply frequently)
  • Cover up with clothing
  • Avoid sun exposure 10am-4pm

Outdoor Activities in Christchurch

Best times for popular activities

Best Activities in March

🥇

Outdoor Dining

57% match

🥈

Hiking & Walking

57% match

🥉

Photography

57% 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
06:1121:05
14h 49m
67°
☀️February
06:5320:32
13h 40m
59°
March
07:2919:46
12h 15m
48°
April
07:0617:51
10h 45m
37°
May
07:4017:10
9h 32m
28°
June
08:0516:54
8h 55m
24°
July
08:0117:09
9h 13m
26°
August
07:2617:41
10h 18m
33°
September
06:3318:15
11h 43m
44°
October
06:4019:50
13h 12m
55°
November
05:5720:31
14h 31m
65°
☀️December
05:4621:03
15h 11m
69°
☀️

Summer Solstice

15.3h daylight

❄️

Winter Solstice

8.8h daylight

Explore Nearby Cities

Sunlight data for surrounding areas

Wellington

New Zealand

12h avg sunlight

Dunedin

New Zealand

12h avg sunlight

Lower Hutt

New Zealand

12h avg sunlight

Porirua

New Zealand

12h avg sunlight

Frequently Asked Questions

Sunlight in Christchurch

1

How many hours of sunlight does Christchurch get?

Christchurch receives an average of 12 hours of daylight per day. This varies throughout the year, from 8.8 hours on the shortest day to 15.3 hours on the longest day.

2

What is the sun angle in Christchurch during winter?

During winter solstice, the sun reaches a maximum altitude of only 23.0° above the horizon at solar noon in Christchurch. This creates shadows that are 2.4x the height of objects.

3

When is the best time for outdoor activities in Christchurch?

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

4

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

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

5

What time is golden hour in Christchurch?

In March, golden hour in Christchurch occurs in the morning from 07:29 - 08:29 and in the evening from 18:46 - 19:46. These times shift throughout the year as sunrise and sunset times change.

6

What is the UV index in Christchurch?

The UV index in Christchurch varies by season. During summer, UV can reach 11 (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 Christchurch?

Christchurch receives approximately 1,971 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 44° tilt angle.

8

When is sunrise and sunset in Christchurch?

In March, sunrise in Christchurch is around 07:29 and sunset is around 19:46, giving 12.3 hours of daylight. The earliest sunrise occurs around the summer solstice (05:48) and latest sunset follows shortly after.

9

What is the best month to visit Christchurch for weather?

For optimal daylight and outdoor conditions in Christchurch, 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 Christchurch?

Shadow length varies dramatically by season in Christchurch. At summer noon, shadows are only 0.4x the height of objects (sun at 70°). In winter, shadows extend to 2.4x object height (sun at just 23°).