Weather: Galle & Sri Lanka South Coast — May
It's a rainy period, but great for indoor activities, museums, and lower prices.
☔ Climate Overview
May is a wet time to visit Galle & Sri Lanka South Coast. Hot conditions with temperatures reaching 30°C—stay hydrated and seek shade. This is one of the wettest months—waterproof gear is essential. Being off-peak, you'll find better deals and fewer crowds. Sea temperature of 30°C is perfect for swimming.
Based on weather comfort, crowds, prices, and activity options
30°C
26°C
30days
12.4h
Feels like 37°C / 31°C — humidity makes it feel warmer
376mm
9.4h/day
88%
Very Muggy7.1
Very High18 km/h (gusts 38)
30°C 🏊 Comfortable
Is May a good time to visit Galle & Sri Lanka South Coast?
It's a rainy period, but great for indoor activities, museums, and lower prices.
Now
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Air Quality
Travel Context
- CrowdsVery Quiet
- Travel Costs Value Rates
Daylight
05:55
18:18
Visiting Galle & Sri Lanka South Coast in May: Pros & Cons
Pros
- Abundant sunshine for beach and outdoor fun
- Fewer crowds and better hotel deals
- Warm sea perfect for swimming and snorkeling
Cons
- Frequent rain may disrupt outdoor activities
- High humidity makes the heat feel oppressive
Things to Do in May
Events & Festivals
Recommended for This Weather
Galle & Sri Lanka South Coast Weather by Month
| Month | Avg High | Avg Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition |
|---|---|---|---|---|---|---|---|---|
| Jan | 30°C | 24°C | 20d (195mm) | 9.4h | 85% Very Muggy | 7.3 Very High | | Excellent |
| Feb | 31°C | 24°C | 12d (78mm) | 10.7h | 82% Very Muggy | 8.7 Very High | | Excellent |
| Mar | 31°C | 25°C | 21d (128mm) | 10.5h | 82% Very Muggy | 8.7 Very High | | Excellent |
| Apr | 31°C | 25°C | 28d (202mm) | 10.5h | 86% Very Muggy | 8.5 Very High | | Wet |
| May Current | 30°C | 26°C | 30d (376mm) | 9.4h | 88% Very Muggy | 7.1 Very High | | Wet |
| Jun | 30°C | 26°C | 29d (229mm) | 10.5h | 88% Very Muggy | 7.5 Very High | | Wet |
| Jul | 29°C | 26°C | 29d (220mm) | 9.8h | 87% Very Muggy | 7.3 Very High | | Wet |
| Aug | 29°C | 25°C | 28d (214mm) | 10.1h | 88% Very Muggy | 7.8 Very High | | Wet |
| Sep | 29°C | 25°C | 29d (262mm) | 9.5h | 88% Very Muggy | 7.4 Very High | | Wet |
| Oct | 29°C | 25°C | 28d (292mm) | 9.1h | 89% Very Muggy | 7 High | | Wet |
| Nov | 30°C | 24°C | 26d (368mm) | 8.4h | 88% Very Muggy | 6.4 High | | Wet |
| Dec | 30°C | 24°C | 22d (207mm) | 9.4h | 86% Very Muggy | 6.9 High | | Excellent |
Galle & Sri Lanka South Coast
South Coast paradise with Galle Fort, Mirissa whales, Unawatuna beaches, and tea country train rides.
View Full Destination Guide
What to Pack for May
Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.
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Frequently Asked Questions
Is May a good time to visit Galle & Sri Lanka South Coast?
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More Galle & Sri Lanka South Coast Guides
Best Time to Visit
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Things to Do
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Where to Stay
Best neighborhoods and hotel recommendations
Cost & Budget
Daily costs, money-saving tips, and budget breakdown
Itineraries
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Overview
Complete travel guide for Galle & Sri Lanka South Coast: top things to do, itineraries, and typical costs.