Cities With the Best Year-Round Climate: What the Numbers Actually Say
“Best climate” lists are usually assertion dressed as data. This one separates the figures that can be checked from the claims that circulate without support — starting with two that most such lists get wrong.
Two claims worth correcting first
“Málaga is the sunniest city in Europe.” It is not. On annual sunshine hours Málaga records 3,248, behind Seville (3,526), Alicante (3,397) and Murcia (3,348); Alicante is the city usually awarded the title, and Sicily’s Catania ranks near the top on monthly figures (idealista). Málaga is genuinely among Europe’s sunniest cities. It is not the sunniest.
“San Diego has 260+ sunny days a year.” This depends entirely on the definition, and the gap is enormous:
| Definition | San Diego |
|---|---|
| Clear days (cloud covers at most 30% of sky in daylight) | 146 |
| Including partly and mostly sunny days | 252–267 |
Both numbers are correct; they measure different things (Current Results). Any list quoting “260” without saying which is being counted is passing on a figure it has not checked.
Medellín, Colombia — the City of Eternal Spring
Medellín sits at 1,495 metres (4,905 ft) in the Aburrá Valley. Altitude, not latitude, is what makes the climate: the city is close to the equator but tempered by elevation, giving stable temperatures across the year with no thermal seasons.
The mean annual temperature is 22°C, and temperature through the year typically runs 16°C to 26°C (61–79°F) (Weather Spark). Colombia’s national meteorological institute, IDEAM, publishes the official series for the city’s Olaya Herrera station (IDEAM).
What Medellín has instead of seasons is two rainy periods: late March to early July, and late September to early December (Climas y Viajes). Planning around those matters far more than planning around temperature — which barely moves.
The other cities on this list
These are all genuinely mild-climate cities, and each is on the list for a real reason. Precise temperature normals vary by station and reference period, so check the current normal for the specific city before making a relocation decision on it.
| City | Why it qualifies |
|---|---|
| Kunming, China | ”The Spring City” — at 1,890 m, elevation gives it the same seasonless mildness as Medellín, at a much higher latitude |
| Quito, Ecuador | On the equator at high altitude; cool and stable year-round, cooler than Medellín because it sits considerably higher |
| San Diego, USA | Mediterranean climate moderated by the Pacific; the mildest large-city climate in the continental United States |
| Lisbon, Portugal | Mediterranean, with mild wet winters and warm dry summers; Atlantic exposure blunts the summer peaks |
| Málaga, Spain | Among Europe’s sunniest, with mild winters on the Costa del Sol |
| Tenerife, Canary Islands | Subtropical and warm through the European winter — the reason it is a winter destination rather than a summer one |
| Cape Town, South Africa | Mediterranean in the southern hemisphere: dry warm summers, wet mild winters, sea breeze capping the heat |
| Honolulu, Hawaii | Tropical but ocean-moderated, with very little seasonal swing |
| Sydney, Australia | Temperate and coastal; mild winters, warm summers |
What actually makes a climate “mild”
The useful distinction is not temperature but variability. Three mechanisms produce a stable year:
- Altitude at low latitude — Medellín, Quito, Kunming. Near the equator the sun angle barely changes, so there are no thermal seasons at all; elevation then sets the temperature. These cities have wet and dry periods instead of hot and cold ones.
- Ocean moderation — San Diego, Honolulu, Sydney, Cape Town. Water changes temperature slowly, so a coastal city tracks the sea rather than the land.
- Mediterranean pattern — Lisbon, Málaga, Cape Town. Dry warm summers and wet mild winters, with the rain and the heat arriving at opposite ends of the year.
Knowing which mechanism a city relies on tells you more than any average. A high-altitude tropical city will feel the same in January and July but will have a rainy season; a Mediterranean city will be reliably dry in summer but genuinely cool and wet in winter.
A note on this guide
This page was rechecked in September 2026. The Málaga “sunniest in Europe” claim was corrected, the San Diego sunny-day figure was given its definition, Medellín’s temperature range was corrected against climate data, and per-city temperature ranges that carried no source were removed rather than left as false precision.