When to go · Onizah
Onizah in May
Avoid month. Outside the best window (Nov–Feb). Across Saudi Arabia: 40 °C (104 °F)+ in the centre; Hajj (about 14–19 May 2027) fills the west (check).Avoid month. Outside the best window (Nov–Feb). Across Saudi Arabia: 104 °F (40 °C)+ in the centre; Hajj (about 14–19 May 2027) fills the west (check).
Key facts
- Verdict
- Avoid
- Temperature
- 40°C (104°F)104°F (40°C) / 24°C (75°F)75°F (24°C)
- average high / low
- Rain days
- 3
- Crowds
- Medium
- Saudi Arabia overall
- Prices
- High
- Saudi Arabia overall
Verdict
Outside the best window (Nov–Feb). Across Saudi Arabia: 40 °C (104 °F)+ in the centre; Hajj (about 14–19 May 2027) fills the west (check).Outside the best window (Nov–Feb). Across Saudi Arabia: 104 °F (40 °C)+ in the centre; Hajj (about 14–19 May 2027) fills the west (check).
Is another month better than May?
May is rated avoid. These months rate higher:
Weather in May
- OnizahHighs around 40 °C (104 °F), lows around 24 °C (75 °F), rain on about 3 daysHighs around 104 °F (40 °C), lows around 75 °F (24 °C), rain on about 3 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Hajj and Eid al-Adha big impact
About 14–19 May 2027 (lunar — check) · Saudi Arabia
Makkah, Madinah and Jeddah under pilgrim restrictions; Umrah permits paused; domestic travel and hotels booked out; several days of closures nationwide.
Crowds and prices
- Crowds · Saudi Arabia overall
- Medium
- Prices · Saudi Arabia overall
- High
Saudi Arabia overall: 40 °C+ in the centre; Hajj (about 14–19 May 2027) fills the west (check).
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Onizah, side by side.
Verdict
May: Avoid
Jan: Great (better)
Daytime high
May: 40 °C (104 °F)104 °F (40 °C)
Jan: 21 °C (70 °F)70 °F (21 °C)
Night low
May: 24 °C (75 °F)75 °F (24 °C)
Jan: 8 °C (46 °F)46 °F (8 °C)
Rain days
May: 3 (better)
Jan: 4
Crowds
May: Medium
Jan: High
Prices
May: High
Jan: High
Festivals listed
May: 1
Jan: 0
May: Outside the best window (Nov–Feb). Across Saudi Arabia: 40 °C+ in the centre; Hajj (about 14–19 May 2027) fills the west (check).
January: Inside Onizah's best window: Nov–Feb.
Onizah: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen