Shiraz vs Bushehr: which is sunnier?
🇮🇷 Iran vs 🇮🇷 Iran · 183 km apart · long-term climate normals (NASA POWER, 2001–2020)
Shiraz is the sunnier overall: about 3,687 hours of sunshine a year to Bushehr's 3,361. Bushehr has the higher Sunshine Score in 6 of 12 months, Shiraz in 1 (5 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.

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At a glance
| Shiraz | Bushehr | |
|---|---|---|
| Sunshine hours / year | 3,687 | 3,361 |
| Sunniest month | May (99/100) | May (98/100) |
| Nov–Feb average score | 60/100 | 84/100 |
| Jun–Aug average score | 33/100 | 66/100 |
| Rain / year | 274 mm | 316 mm |
| Peak midday UV | 12 (extreme) | 11 (extreme) |
Shiraz vs Bushehr month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Shiraz | Bushehr | Shiraz | Bushehr | Shiraz | Bushehr | |
| January | 38 | 80 | 13° | 19° | 53 | 62 |
| February | 54 | 83 | 15° | 19° | 41 | 49 |
| March | 92 | 94 | 20° | 22° | 41 | 28 |
| April | 95 | 96 | 25° | 26° | 25 | 16 |
| May | 99 | 98 | 32° | 31° | 7 | 4 |
| June | 40 | 79 | 38° | 34° | 4 | 1 |
| July | 20 | 59 | 40° | 36° | 5 | 0 |
| August | 40 | 59 | 38° | 36° | 4 | 1 |
| September | 70 | 69 | 35° | 35° | 1 | 1 |
| October | 99 | 97 | 28° | 32° | 4 | 10 |
| November | 93 | 86 | 20° | 26° | 40 | 74 |
| December | 53 | 86 | 15° | 21° | 49 | 70 |
The sunnier month by month: Jan Bushehr · Feb Bushehr · Mar even · Apr even · May even · Jun Bushehr · Jul Bushehr · Aug Bushehr · Sep even · Oct even · Nov Shiraz · Dec Bushehr.
When to pick which
- November–February: Bushehr (average score 84/100 vs 60). Bushehr is the warmer, around 21°C daytime highs vs 16°C. See the winter sun ranking.
- March–May: too close to call — Shiraz averages 95/100, Bushehr 96/100. Daytime highs are similar (26°C vs 26°C).
- June–August: Bushehr (average score 66/100 vs 33). Shiraz is the warmer, around 39°C daytime highs vs 35°C.
- September–October: too close to call — Shiraz averages 85/100, Bushehr 83/100. Bushehr is the warmer, around 34°C daytime highs vs 32°C.
Full month-by-month guides: Shiraz weather by month · Bushehr weather by month · Best time to visit Iran.
More comparisons: Shiraz vs Yazd · Shiraz vs Asaluyeh · Bushehr vs Ad Dammam · Bushehr vs Asaluyeh · Bushehr vs Kuwait City · all head-to-heads