Saudi Arabia Riyadh Weather in May — Climate Guide
May in Riyadh is moderate
Riyadh Weather in May — Quick Answer
As of 2026- Avg temp
- 39° / 24°
- Rainfall
- 6mm · 1 days
- Crowds
- Quiet
As of 2026, Riyadh in May averages a high of 39°C and low of 24°C with 6mm of rain over about 1 days. Summer heat arriving — highs around 39°C, warm nights near 24°C. Loose, light, fully covering modest clothing protects from sun. UV extreme (11) — SPF 50+, hat, sunglasses essential. Avoid midday sun.
May is moderate for Riyadh.
May marks the start of Riyadh's brutal summer, with highs around 39°C and nights staying warm near 24°C. Outdoor sightseeing becomes a genuine endurance test in the middle of the day.
It's very dry (humidity around 22%) and almost rainless. The heat is the dry, furnace-like kind rather than the humid Gulf-coast type, but 39°C is 39°C — limit direct sun exposure and stick to early morning or after dark for anything outdoors.
Travel score
Riyadh May Weather Stats
Avg High
39°C
Avg Low
24°C
Rainy Days
1
6mm total
Sunshine
10.5h
Daily avg
Humidity
22%
dry
UV Index
11
Extreme
Wind
15 km/h
Gusts 34
Crowds
Quiet
At attractions
May Sunrise & Sunset
Air Quality
PM2.5
50 μg/m³
PM10
110 μg/m³
Status
moderate
Feels-Like Temperature & Wind
Feels like
Daytime
40°C
Nighttime
24°C
Humidity and wind affect how the actual temperature feels.
Wind
15 km/h
Max gust 34 km/h
Activities Recommended for May
May Travel Pros & Cons
Pros
- Low season — quieter and cheaper
- Very dry rather than humid
- Sunset desert trips still possible
- Good time for indoor cultural sights
Cons
- Severe daytime heat (39°C+)
- Extreme UV (11)
- Midday outdoor activity unwise
- Warm nights
May Events & Festivals
- Heat ramps up sharply
- Low season — quieter sights, lower prices
- Very dry (humidity ~22%)
Riyadh in May — Full Picture
May marks the start of Riyadh's brutal summer, with highs around 39°C and nights staying warm near 24°C. Outdoor sightseeing becomes a genuine endurance test in the middle of the day.
It's very dry (humidity around 22%) and almost rainless. The heat is the dry, furnace-like kind rather than the humid Gulf-coast type, but 39°C is 39°C — limit direct sun exposure and stick to early morning or after dark for anything outdoors.
This is low season, so sights are quieter and hotels cheaper — the trade-off for travelers willing to endure the heat. Indoor, air-conditioned options (the National Museum, malls, tower restaurants) become the comfortable core of the day. The Edge of the World is best only at sunset, if at all.
Hydration is critical — drink far more than usual. UV is extreme (11), so sun protection is non-negotiable.
What to Wear & What to Pack
Summer heat arriving — highs around 39°C, warm nights near 24°C. Loose, light, fully covering modest clothing protects from sun. UV extreme (11) — SPF 50+, hat, sunglasses essential. Avoid midday sun.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
Current33.3°C
19.3°C
3.3/mo
Summer (Jun·Jul·Aug)
43.7°C
27.3°C
0/mo
Autumn (Sep·Oct·Nov)
34.7°C
19°C
1.3/mo
Winter (Dec·Jan·Feb)
22.3°C
10°C
3/mo
Riyadh Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 21° | 9° | 3d·12mm | 8.5h | 45% | 4 | Busy | Peak |
| February (Best) | 23° | 11° | 3d·12mm | 9h | 42% | 5 | Busy | Peak |
| 28° | 15° | 4d·22mm | 9h | 40% | 7 | Busy | Shoulder | |
| 33° | 19° | 5d·24mm | 9.5h | 35% | 9 | Moderate | Shoulder | |
| 39° | 24° | 1d·6mm | 10.5h | 22% | 11 | Quiet | Low season | |
| 43° | 27° | 0d·0mm | 11.5h | 12% | 11 | Quiet | Low season | |
| 44° | 28° | 0d·0mm | 11.5h | 10% | 11 | Quiet | Low season | |
| 44° | 27° | 0d·1mm | 11h | 12% | 11 | Quiet | Low season | |
| 41° | 24° | 0d·0mm | 10.5h | 14% | 9 | Quiet | Low season | |
| 35° | 19° | 1d·4mm | 10h | 25% | 7 | Moderate | Shoulder | |
| November (Best) | 28° | 14° | 3d·18mm | 8.5h | 40% | 5 | Busy | Peak |
| December (Best) | 23° | 10° | 3d·14mm | 8h | 45% | 4 | Busy | Peak |
View Other Months
Riyadh May Hotel Picks
Frequently Asked Questions
Is May a good time to visit Riyadh?
Riyadh in May is moderate. Tourist crowds are quiet and flight/hotel prices are low season.
What's the average temperature in Riyadh in May?
Riyadh May averages a high of 39°C and a low of 24°C.
Does it rain much in Riyadh in May?
Riyadh May averages 6mm of rainfall over about 1 rainy days.
What should I wear in Riyadh in May?
Summer heat arriving — highs around 39°C, warm nights near 24°C. Loose, light, fully covering modest clothing protects from sun. UV extreme (11) — SPF 50+, hat, sunglasses essential. Avoid midday sun.
What time are sunrise and sunset in Riyadh in May?
Riyadh May sunrise is 04:50 and sunset is 18:45, with 13h 55min of daylight.
What's the air quality like in Riyadh in May?
Riyadh May air quality (AQI) averages 92, rated Moderate. PM2.5 averages 50μg/m³.
What activities are recommended in Riyadh in May?
In May, Riyadh is great for Indoor National Museum, Tower restaurants (the Globe, Spazio), Edge of the World at sunset only.
Is May peak season in Riyadh?
Riyadh May crowds are quiet and prices are low season. You can travel relatively comfortably without long queues.
Best Months to Visit Riyadh
View Other Months
Planning a May trip to Riyadh?
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Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.