Similar Climates › City Pairings › Porto-Novo ≈ Phnom Penh

City Pairings

🇧🇯 Porto-Novo’s climate twin is 🇰🇭 Phnom Penh, Cambodia

fair match

Porto-Novo, Benin and Phnom Penh, Cambodia are a fair climate match — 11,193 km (6,955 mi) apart. Porto-Novo is Köppen zone Aw; Phnom Penh is Aw.

See Porto-Novo on the interactive map →

What to expect

Porto-Novo and Phnom Penh both sit in the tropical savanna (Aw) zone, so their seasonal arcs line up. Roughly 11,193 km (6,955 mi) separates them — far enough that Phnom Penh feels like another continent, close enough on the climate numbers to stand in for Porto-Novo.

It is a fair match — close on the main numbers, with a few seasonal quirks between Porto-Novo and Phnom Penh. July by 2°C (Phnom Penh warmer); January means differ by 0°C (Phnom Penh cooler). Rainfall shifts more: Phnom Penh is 40 mm wetter in July.

Sunshine stays close: Phnom Penh at 9.4 h/day on average versus 9.6 h/day in Porto-Novo (January 10.4 h / 10.2 h, July 8.4 h / 8.9 h). Air quality: mean PM2.5 is 16 µg/m³ in Phnom Penh vs 32 in Porto-Novo (lower by 15 µg/m³). Dew points differ modestly (January 20°C vs 23°C; July 24°C vs 23°C).

January & July climate

January & July · °C and mm

Porto-NovoPhnom Penh
January
Temp
32° / 23°
32° / 22°
Rain
15 mm
10 mm
Dew
23°
20°
PM2.5
50.5 µg/m³
22.1 µg/m³
Sun
10.2 h
10.4 h
July
Temp
29° / 23°
32° / 25°
Rain
130 mm
170 mm
Dew
23°
24°
PM2.5
12.9 µg/m³
10.3 µg/m³
Sun
8.9 h
8.4 h

Compare Porto-Novo and Phnom Penh month by month on the interactive map →

See Phnom Penh's climate twin on its own page.

Frequently asked questions

What place has a climate like Porto-Novo?

On Similar Climates, Phnom Penh, Cambodia is the closest distant match for Porto-Novo, Benin — scored fair, about 11,193 km (6,955 mi) away.

How far is Porto-Novo from its climate twin?

Porto-Novo and Phnom Penh are separated by roughly 11,193 km (6,955 mi) on the great-circle route.

Do Porto-Novo and Phnom Penh have their seasons at the same time?

Yes — both cities are in the same hemisphere, so summer and winter fall in the same calendar months.

Do Porto-Novo and Phnom Penh share a Köppen climate zone?

Yes — both are tropical savanna (Aw).

What is the climate like in Porto-Novo?

Porto-Novo has a tropical savanna climate (Aw). January averages a high of 32°C and a low of 23°C with 15 mm of rain; July averages 29°C / 23°C and 130 mm.

How sunny is Porto-Novo?

Porto-Novo averages about 10.2 hours of sunshine a day in January and 8.9 hours in July.

What is the air quality like in Porto-Novo?

January PM2.5 averages about 50.5 µg/m³ (US AQI 122); July averages 12.9 µg/m³ (US AQI 57).

Other close climate matches for Porto-Novo: Visakhapatnam (fair), Panama City (close), Mombasa (fair).

More tropical savanna cities

All tropical savanna (Aw) cities on Similar Climates →

Explore Porto-Novo and Phnom Penh on the interactive map →

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