Harlingen in December
4.6out of 10
Not the best time
Cold: highs around 7°C. Very wet: about 15 rainy days.
7°CAvg high
4°CAvg low
15Rainy days (86 mm)
7:19 hDaylight
08:55Sunrise · 16:14 Sunset
Why this score
- Cold: highs around 7°C
- Very wet: about 15 rainy days
- Rain varies a lot between years (±5.2 days)
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in December varies a lot between years (±5.2 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 6°C | 3°C | 73 mm | 14 | – | – | 4.6 |
| February | 5°C | 3°C | 55 mm | 12 | – | – | 4.8 |
| March | 7°C | 4°C | 50 mm | 11 | – | – | 5.2 |
| April | 10°C | 7°C | 40 mm | 9 | – | – | 6.0 |
| May | 13°C | 10°C | 56 mm | 11 | – | – | 6.3 |
| June | 16°C | 13°C | 68 mm | 12 | – | – | 6.6 |
| July | 19°C | 16°C | 83 mm | 13 | – | – | 6.8 |
| August | 19°C | 16°C | 101 mm | 14 | – | – | 6.7 |
| September | 17°C | 14°C | 93 mm | 13 | – | – | 6.4 |
| October | 13°C | 11°C | 96 mm | 15 | – | – | 5.6 |
| November | 9°C | 7°C | 87 mm | 16 | – | – | 4.9 |
| December | 7°C | 4°C | 86 mm | 15 | – | – | 4.6 |
Frequently asked questions
How hot is Harlingen in December?
Daytime highs average 7°C and nights about 4°C.
When is the best time to visit Harlingen?
The best months are July, August, June, September.