Harlingen weather by month & the best time to visit
United States · small town · humid subtropical climate
The best time to visit Harlingen is January — its sunniest month (Sunshine Score 89/100), with February and March close behind. Harlingen averages about 2,492 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 25 mm of rain in January.
When is the best time to visit Harlingen?
For sunshine, the best time to visit Harlingen is January, then February and March. The dullest month is June (63/100, 79 mm of rain). The full month-by-month picture is in the table below.
How sunny is Harlingen?
Harlingen gets a moderate 2,492 hours of sunshine a year. January (89/100) is noticeably better than June (63). It ranks #209 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. Rain has a clear season: the wettest stretch, around August, carries about 41% of the annual 646 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 89 | 22° / 72°F | 12° / 54°F | 25 mm | 4 |
| February | 89 | 24° / 75°F | 14° / 57°F | 22 mm | 5 |
| March | 88 | 27° / 81°F | 16° / 61°F | 30 mm | 7 |
| April | 87 | 30° / 86°F | 20° / 68°F | 35 mm | 8 |
| May | 83 | 32° / 90°F | 23° / 73°F | 57 mm | 8 |
| June | 63 | 34° / 93°F | 25° / 77°F | 79 mm | 9 |
| July | 71 | 33° / 91°F | 25° / 77°F | 78 mm | 10 |
| August | 68 | 34° / 93°F | 26° / 79°F | 44 mm | 9 |
| September | 67 | 32° / 90°F | 24° / 75°F | 144 mm | 8 |
| October | 82 | 30° / 86°F | 21° / 70°F | 63 mm | 7 |
| November | 86 | 26° / 79°F | 17° / 63°F | 39 mm | 5 |
| December | 88 | 23° / 73°F | 13° / 55°F | 30 mm | 4 |
Nearest destinations
Head-to-head
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Harlingen: questions and answers
What kind of destination is Harlingen?
Harlingen is a small town in United States with a humid subtropical climate.
How many hours of sunshine does Harlingen get a year?
Harlingen gets about 2,492 hours of sunshine a year, at its best around January.
When is the best time to visit Harlingen?
The sunniest time to visit Harlingen is January, when the Sunshine Score peaks at 89/100 (with February and March close behind). Expect daytime highs around 22°C / 72°F.
What is the least sunny month in Harlingen?
June is the least sunny month in Harlingen, scoring 63/100 with about 79 mm of rain.
How strong is the sun in Harlingen?
The typical midday UV index in Harlingen peaks around 10 (very high) in July, easing to about 4 (moderate) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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