Callao weather in December

December is a fair month to visit Callao: highs of 22°C (71°F) and about 3 mm (0.1 in) of rain on average. Nights average 15°C (59°F) and cloud cover 75% (NASA POWER, 2001–2025 averages). It is the 4th wettest month of the year and the 6th warmest. Compared with November, it is about as warm and wetter; January brings highs of 23°C (73°F) and 3 mm (0.1 in) of rain.

Figures are long-term averages for Callao, the largest city in Callao. See below for other places.

Is December a good time to visit Callao?

fair month Weather score 85/100.

December is a fair month in Callao.

See Callao's sky and forecast now

Does it rain a lot in Callao in December?

No, it is usually dry: about 3 mm (0.1 in) falls in an average December. It is the 4th wettest month of the year.

How warm is Callao in December?

Days average 22°C (71°F) and nights 15°C (59°F).

Callao weather by month

Month	High	Low	Rain	Cloud	Weather
January	23°C (73°F)	16°C (61°F)	3 mm	65%	fair
February	23°C (74°F)	17°C (62°F)	5 mm	66%	fair
March	23°C (74°F)	17°C (62°F)	4 mm	59%	fair
April	23°C (73°F)	16°C (60°F)	1 mm	46%	fair
May	22°C (72°F)	14°C (57°F)	1 mm	61%	fair
June	22°C (71°F)	13°C (55°F)	1 mm	86%	fair
July	21°C (70°F)	12°C (54°F)	1 mm	94%	fair
August	21°C (70°F)	13°C (55°F)	1 mm	95%	fair
September	22°C (71°F)	13°C (56°F)	1 mm	90%	fair
October	21°C (71°F)	14°C (56°F)	1 mm	82%	fair
November	22°C (71°F)	14°C (57°F)	2 mm	77%	fair
December	22°C (71°F)	15°C (59°F)	3 mm	75%	fair

Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated Oct 31, 2026. How we rate months

Weather across Callao in December

Weather can differ a lot within Callao: coasts, hills and mountains each have their own climate.

Place	High	Low	Rain	Weather
Callao	22°C (71°F)	15°C (59°F)	3 mm	fair
Carmen De La Legua Reynoso	22°C (71°F)	15°C (59°F)	3 mm	fair