Sunlight Analysis

Sunlight Hours in Irvine

Sunlight hours, shadow patterns, and solar analysis for Irvine, Spain

Interactive 3D Shadow Map

Summer afternoon in Irvine

Irvine

3:30 PM • Summer Solstice

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Interactive 3D shadow analysis map of Irvine. 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

07:04

Sunset

18:56

Total Daylight

11h 53m

Sun Altitude

55°

at noon

Seasonal Extremes

☀️

Longest Day

14.3h

2026-06-21

❄️

Shortest Day

9.8h

2026-12-21

Interactive 3D

Explore Shadows in 3D

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

Location
Lat

33.6846°

Lng

-117.8265°

Launch 3D Map

Best Time to Visit Irvine

Month-by-month daylight conditions

Irvine has moderate seasonal variation (4.5h difference between longest and shortest days). May-August offers the best conditions for outdoor activities.

Peak Months

Jun, Jul, May, Aug

Shoulder Season

Apr & Sep

Winter

Jan

10.1h

Fair

Winter

Feb

10.9h

Good

Spring

Mar

11.9h

Great

Spring

Apr

12.9h

Excellent

Spring

May

13.8h

Excellent

Summer

Jun

14.2h

Excellent

Summer

Jul

14.0h

Excellent

Summer

Aug

13.3h

Excellent

Autumn

Sep

12.3h

Great

Autumn

Oct

11.2h

Good

Autumn

Nov

10.3h

Good

Winter

Dec

9.9h

Fair

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

Golden Hour in Irvine

Best times for photography

March Golden Hour

Morning

07:04 - 08:04

Blue hour from 06:34

Evening

17:56 - 18:56

Blue hour until 19:26

Best Months

  • 1Year-roundConsistent golden hour length
  • 2Oct-AprMilder temperatures for outdoor shoots
  • 3Jun-AugLatest 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 south during midday for even lighting on subjects
  • Check the 3D shadow map to scout locations and predict light direction

Understanding Irvine's Sunlight

AI-powered insights for your location

Irvine's mid-latitude location (33.7°N) creates moderate seasonal variation, with winter days 4.5 hours shorter than summer. The sun reaches 80° at summer noon but only 33° in winter.

Key Challenges

  • 1Low winter sun angle (33°) affects south-facing properties
  • 2Consider local weather patterns that may affect sunshine
  • 3Urban buildings may create additional shadows

Best Months

April through September offers the longest days and highest sun angles in the Northern Hemisphere.

Garden Tips

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

Solar Energy Potential

Is Irvine good for solar panels?

With approximately 1,984 annual sun hours, Irvine has good solar potential. A well-designed system can significantly reduce electricity costs.

Annual Sun Hours

1,984

estimated

Optimal Panel Tilt

34°

facing south

Peak Production

Jun, Jul, May

highest output

Relative Monthly Production

Jan
32%
Feb
43%
Mar
58%
Apr
76%
May
92%
Jun
100%
Jul
96%
Aug
82%
Sep
64%
Oct
47%
Nov
35%
Dec
29%

Installation Tips for Irvine

  • Orient panels south with a 34° 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 (49°), flatter in summer (19°)

UV Index & Sun Safety

Protect yourself in Irvine

March UV Index

10Very 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

7
Jan
9
Feb
10
Mar
12
Apr
12
May
13
Jun
12
Jul
12
Aug
11
Sep
9
Oct
8
Nov
7
Dec

Peak UV Months

Jun, Apr, May have the highest UV levels (up to 13). 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 Irvine

Best times for popular activities

Best Activities in March

🥇

Gardening

54% match

🥈

Outdoor Dining

24% match

🥉

Hiking & Walking

24% 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:Jun, Jul, Aug

Hiking & Walking

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

Best:Apr, May, Sep

Beach & Swimming

Peak sun and warmest temperatures during summer months.

Best:Jun, Jul, Aug

Seasonal Sunlight Calendar

Monthly averages throughout the year

MonthSunriseSunsetDaylightSun Angle
January
06:5817:03
10h 8m
36°
February
06:3817:33
10h 55m
44°
March
07:0418:56
11h 53m
55°
April
06:2319:19
12h 56m
66°
May
05:5319:42
13h 48m
75°
☀️June
05:4320:00
14h 14m
79°
☀️July
05:5519:59
14h 1m
77°
☀️August
06:1619:34
13h 16m
70°
September
06:3718:54
12h 16m
59°
October
06:5918:14
11h 14m
48°
November
06:2616:45
10h 20m
38°
December
06:5116:41
9h 53m
34°
☀️

Summer Solstice

14.3h daylight

❄️

Winter Solstice

9.8h daylight

Explore Nearby Cities

Sunlight data for surrounding areas

Frequently Asked Questions

Sunlight in Irvine

1

How many hours of sunlight does Irvine get?

Irvine receives an average of 12.1 hours of daylight per day. This varies throughout the year, from 9.8 hours on the shortest day to 14.3 hours on the longest day.

2

What is the sun angle in Irvine during winter?

During winter solstice, the sun reaches a maximum altitude of only 32.9° above the horizon at solar noon in Irvine. This creates shadows that are 1.6x the height of objects.

3

When is the best time for outdoor activities in Irvine?

April through September offers the longest days and highest sun angles in the Northern Hemisphere.

4

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

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

5

What time is golden hour in Irvine?

In March, golden hour in Irvine occurs in the morning from 07:04 - 08:04 and in the evening from 17:56 - 18:56. These times shift throughout the year as sunrise and sunset times change.

6

What is the UV index in Irvine?

The UV index in Irvine 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 Irvine?

Irvine receives approximately 1,984 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 south at a 34° tilt angle.

8

When is sunrise and sunset in Irvine?

In March, sunrise in Irvine is around 07:04 and sunset is around 18:56, giving 11.9 hours of daylight. The earliest sunrise occurs around the summer solstice (05:44) and latest sunset follows shortly after.

9

What is the best month to visit Irvine for weather?

For optimal daylight and outdoor conditions in Irvine, April through September offers the longest days and highest sun angles in the Northern Hemisphere. The shoulder seasons often offer a good balance of pleasant weather and fewer crowds.

10

How long are shadows in Irvine?

Shadow length varies dramatically by season in Irvine. At summer noon, shadows are only 0.2x the height of objects (sun at 80°). In winter, shadows extend to 1.6x object height (sun at just 33°).