Is McAllen sunnier than Harlingen?

McAllen is the sunnier: about 2,689 hours of sunshine a year versus 2,492 — a difference of 197 hours.

Which is warmer, McAllen or Harlingen?

Year-round daytime highs are similar: McAllen averages 30°C (86°F), Harlingen 29°C (84°F).

Which is better in winter (November–February), McAllen or Harlingen?

They are close in the November–February window: McAllen averages 90/100 (about 24°C days), Harlingen 88/100 (about 24°C).

McAllen vs Harlingen: which is sunnier?

🇺🇸 United States vs 🇺🇸 United States · 59 km apart · long-term climate normals (NASA POWER, 2001–2020)

McAllen is the sunnier overall: about 2,689 hours of sunshine a year to Harlingen's 2,492. Harlingen has the higher Sunshine Score in 5 of 12 months; the other 7 are within 2 points.

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

At a glance

	McAllen	Harlingen
Sunshine hours / year	2,689	2,492
Sunniest month	February (91/100)	January (89/100)
Nov–Feb average score	90/100	88/100
Jun–Aug average score	53/100	67/100
Rain / year	604 mm	646 mm
Peak midday UV	10 (very high)	10 (very high)

McAllen vs Harlingen month by month

Month	Sunshine Score		Day high °C		Rain mm
Month	McAllen	Harlingen	McAllen	Harlingen	McAllen	Harlingen
January	90	89	22°	22°	24	25
February	91	89	25°	24°	20	22
March	90	88	29°	27°	27	30
April	89	87	32°	30°	34	35
May	68	83	34°	32°	53	57
June	49	63	36°	34°	71	79
July	57	71	35°	33°	75	78
August	52	68	36°	34°	42	44
September	63	67	33°	32°	134	144
October	84	82	31°	30°	57	63
November	88	86	27°	26°	38	39
December	89	88	23°	23°	29	30

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

When to pick which

November–February: too close to call — McAllen averages 90/100, Harlingen 88/100. Daytime highs are similar (24°C vs 24°C). See the winter sun ranking.
March–May: Harlingen (average score 86/100 vs 82). McAllen is the warmer, around 32°C daytime highs vs 30°C.
June–August: Harlingen (average score 67/100 vs 53). McAllen is the warmer, around 36°C daytime highs vs 34°C.
September–October: too close to call — McAllen averages 74/100, Harlingen 75/100. Daytime highs are similar (32°C vs 31°C).

Full month-by-month guides: McAllen weather by month · Harlingen weather by month · Best time to visit United States.

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