Sunlight Hours in Guwahati
Sunlight hours, shadow patterns, and solar analysis for Guwahati, India
Interactive 3D Shadow Map
Summer afternoon in Guwahati
Guwahati
3:30 PM • Summer Solstice
Interactive 3D shadow analysis map of Guwahati. 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.
Today's Sunlight
March Average
Sunrise
05:35
Sunset
17:29
Total Daylight
11h 56m
Sun Altitude
62°
at noon
Seasonal Extremes
Longest Day
13.7h
2026-06-21
Shortest Day
10.4h
2026-12-21
Explore Shadows in 3D
See exactly how building shadows fall across Guwahati at any time of day or year.
26.1844°
91.7458°
Best Time to Visit Guwahati
Month-by-month daylight conditions
Guwahati has moderate seasonal variation (3.3h 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
10.6h
Good
Winter
Feb
11.2h
Good
Spring
Mar
11.9h
Great
Spring
Apr
12.7h
Excellent
Spring
May
13.3h
Excellent
Summer
Jun
13.6h
Excellent
Summer
Jul
13.5h
Excellent
Summer
Aug
12.9h
Excellent
Autumn
Sep
12.2h
Great
Autumn
Oct
11.4h
Good
Autumn
Nov
10.8h
Good
Winter
Dec
10.5h
Good
Golden Hour in Guwahati
Best times for photography
March Golden Hour
05:35 - 06:35
Blue hour from 05:05
16:29 - 17:29
Blue hour until 17:59
Best Months
- 1Year-round — Consistent golden hour length
- 2Oct-Apr — Milder temperatures for outdoor shoots
- 3Jun-Aug — 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 south during midday for even lighting on subjects
- Check the 3D shadow map to scout locations and predict light direction
Understanding Guwahati's Sunlight
AI-powered insights for your location
Guwahati's mid-latitude location (26.2°N) creates moderate seasonal variation, with winter days 3.3 hours shorter than summer. The sun reaches 87° at summer noon but only 40° in winter.
Key Challenges
- 1Consider local weather patterns that may affect sunshine
- 2Urban 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 Guwahati. Consider shadow patterns from neighboring structures when planning outdoor spaces.
Solar Energy Potential
Is Guwahati good for solar panels?
With approximately 1,982 annual sun hours, Guwahati has good solar potential. A well-designed system can significantly reduce electricity costs.
Annual Sun Hours
1,982
estimated
Optimal Panel Tilt
26°
facing south
Peak Production
Jun, Jul, May
highest output
Relative Monthly Production
Installation Tips for Guwahati
- Orient panels south with a 26° 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 (41°), flatter in summer (11°)
UV Index & Sun Safety
Protect yourself in Guwahati
March UV Index
Maximum protection essential. Avoid outdoor activities during peak hours.
Monthly UV Index
Peak UV Months
Apr, May, Jun 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 Guwahati
Best times for popular activities
Best Activities in March
Gardening
55% match
Outdoor Dining
25% match
Hiking & Walking
25% match
Year-Round Activity Guide
| Activity | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Outdoor Dining | ★ | ★ | ★ | ★ | ★ | |||||||
| Hiking & Walking | ★ | ★ | ★ | ★ | ||||||||
| Beach & Swimming | ★ | ★ | ★ | |||||||||
| Photography | ★ | ★ | ★ | ★ | ★ | |||||||
| Gardening | ★ | ★ | ★ | ★ | ★ | |||||||
| Running & Cycling | ★ | ★ | ★ | ★ | ★ | ★ | ★ |
Outdoor Dining
Enjoy al fresco dining during the warmer months with longer evening light.
Hiking & Walking
Mild temperatures and good daylight make spring and autumn ideal for trails.
Beach & Swimming
Peak sun and warmest temperatures during summer months.
Seasonal Sunlight Calendar
Monthly averages throughout the year
| Month | Sunrise | Sunset | Daylight | Sun Angle |
|---|---|---|---|---|
January | 06:14 | 16:50 | 10h 38m | 43° |
February | 06:01 | 17:13 | 11h 11m | 51° |
March | 05:35 | 17:29 | 11h 56m | 62° |
April | 05:01 | 17:44 | 12h 43m | 74° |
May | 04:39 | 18:00 | 13h 20m | 83° |
☀️June | 04:33 | 18:14 | 13h 38m | 87° |
☀️July | 04:43 | 18:14 | 13h 29m | 85° |
☀️August | 04:58 | 17:55 | 12h 56m | 77° |
September | 05:11 | 17:24 | 12h 12m | 66° |
October | 05:24 | 16:51 | 11h 27m | 55° |
November | 05:43 | 16:30 | 10h 48m | 46° |
December | 06:05 | 16:30 | 10h 28m | 41° |
Summer Solstice
13.7h daylight
Winter Solstice
10.4h daylight
Explore Nearby Cities
Sunlight data for surrounding areas
Frequently Asked Questions
Sunlight in Guwahati
1How many hours of sunlight does Guwahati get?
How many hours of sunlight does Guwahati get?
Guwahati receives an average of 12.1 hours of daylight per day. This varies throughout the year, from 10.4 hours on the shortest day to 13.7 hours on the longest day.
2What is the sun angle in Guwahati during winter?
What is the sun angle in Guwahati during winter?
During winter solstice, the sun reaches a maximum altitude of only 40.4° above the horizon at solar noon in Guwahati. This creates shadows that are 1.2x the height of objects.
3When is the best time for outdoor activities in Guwahati?
When is the best time for outdoor activities in Guwahati?
April through September offers the longest days and highest sun angles in the Northern Hemisphere.
4How do I plan a garden in Guwahati for maximum sunlight?
How do I plan a garden in Guwahati for maximum sunlight?
South-facing gardens receive the most consistent sunlight year-round in Guwahati. Consider shadow patterns from neighboring structures when planning outdoor spaces.
5What time is golden hour in Guwahati?
What time is golden hour in Guwahati?
In March, golden hour in Guwahati occurs in the morning from 05:35 - 06:35 and in the evening from 16:29 - 17:29. These times shift throughout the year as sunrise and sunset times change.
6What is the UV index in Guwahati?
What is the UV index in Guwahati?
The UV index in Guwahati 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).
7Are solar panels worth it in Guwahati?
Are solar panels worth it in Guwahati?
Guwahati receives approximately 1,982 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 26° tilt angle.
8When is sunrise and sunset in Guwahati?
When is sunrise and sunset in Guwahati?
In March, sunrise in Guwahati is around 05:35 and sunset is around 17:29, giving 11.9 hours of daylight. The earliest sunrise occurs around the summer solstice (04:34) and latest sunset follows shortly after.
9What is the best month to visit Guwahati for weather?
What is the best month to visit Guwahati for weather?
For optimal daylight and outdoor conditions in Guwahati, 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.
10How long are shadows in Guwahati?
How long are shadows in Guwahati?
Shadow length varies dramatically by season in Guwahati. At summer noon, shadows are only 0.1x the height of objects (sun at 87°). In winter, shadows extend to 1.2x object height (sun at just 40°).