Is Cochabamba sunnier than Tacna?

Cochabamba is the sunnier: about 3,159 hours of sunshine a year versus 2,892 — a difference of 267 hours.

Which is warmer, Cochabamba or Tacna?

Tacna is warmer across the year: average daytime highs of 33°C (91°F) versus 25°C.

Which is better in winter (November–February), Cochabamba or Tacna?

They are close in the November–February window: Cochabamba averages 83/100 (about 25°C days), Tacna 85/100 (about 33°C).

Cochabamba vs Tacna: which is sunnier?

🇧🇴 Bolivia vs 🇵🇪 Peru · 440 km apart · long-term climate normals (NASA POWER, 2001–2020)

Cochabamba is the sunnier overall: about 3,159 hours of sunshine a year to Tacna's 2,892. Cochabamba has the higher Sunshine Score in 7 of 12 months, Tacna in 4 (1 within 2 points).

Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.

At a glance

	Cochabamba	Tacna
Sunshine hours / year	3,159	2,892
Sunniest month	May (97/100)	June (96/100)
Nov–Feb average score	83/100	85/100
Jun–Aug average score	94/100	93/100
Rain / year	498 mm	48 mm
Peak midday UV	12 (extreme)	15 (extreme)

Cochabamba vs Tacna month by month

Month	Sunshine Score		Day high °C		Rain mm
Month	Cochabamba	Tacna	Cochabamba	Tacna	Cochabamba	Tacna
January	79	85	24°	33°	104	11
February	80	85	24°	33°	97	10
March	88	85	24°	33°	55	7
April	94	86	24°	33°	20	2
May	97	86	25°	33°	6	0
June	90	96	24°	32°	44	1
July	97	96	24°	32°	5	3
August	96	86	25°	33°	8	2
September	96	77	26°	34°	12	2
October	93	77	26°	34°	25	2
November	91	86	27°	33°	36	2
December	82	85	26°	33°	86	6

The sunnier month by month: Jan Tacna · Feb Tacna · Mar Cochabamba · Apr Cochabamba · May Cochabamba · Jun Tacna · Jul even · Aug Cochabamba · Sep Cochabamba · Oct Cochabamba · Nov Cochabamba · Dec Tacna.

When to pick which

November–February: too close to call — Cochabamba averages 83/100, Tacna 85/100. Tacna is the warmer, around 33°C daytime highs vs 25°C.
March–May: Cochabamba (average score 93/100 vs 86). Tacna is the warmer, around 33°C daytime highs vs 24°C.
June–August: too close to call — Cochabamba averages 94/100, Tacna 93/100. Tacna is the warmer, around 32°C daytime highs vs 24°C.
September–October: Cochabamba (average score 95/100 vs 77). Tacna is the warmer, around 34°C daytime highs vs 26°C.

Full month-by-month guides: Cochabamba weather by month · Tacna weather by month · Best time to visit Bolivia · Best time to visit Peru.

More comparisons: Cochabamba vs Santa Cruz · Cochabamba vs La Paz / El Alto · Tacna vs Santa Cruz · Tacna vs La Paz / El Alto · Tacna vs Arequipa · all head-to-heads