Hamilton in January
So, what's Hamilton actually like in January? In a word: pleasant. It's summer, and the days are averaging 24.8 degrees.
The average daily maximum is 24.8 degrees with overnight lows of 13.5 degrees. Comfortable during the day, with evenings that invite a light layer.
January is 5.8 degrees warmer than the yearly average here.
The rain data says 57mm over 12 days. Light enough that it won't ruin your plans.
Solar exposure averages 24.0 MJ/m2 per day in January, with UV levels in the extreme range. Sunscreen, hat, and sunnies are all essential. You can burn in under 10 minutes.
Our Comfort Score rates January at 10.0/10. That's about as good as it gets.
For your suitcase: t-shirts with a light layer for evenings, and SPF 50+ sunscreen and a hat.
Scroll down for the detailed climate data, or explore what nearby cities are like in January.
January at a Glance
Temperature Range
Daily temperature range in January. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- T-shirts and shorts for daytime
- A waterproof jacket or compact umbrella
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
Coming From Overseas?
How January in Hamilton stacks up against major cities around the world.
About 17 degrees warmer and considerably wetter.
About 21 degrees warmer and considerably drier.
About 15 degrees warmer and considerably drier.
How January Compares
Hamilton's monthly climate at a glance. January is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 24.8 | 13.5 | 57mm | 10.0 |
| Feb | 26.9 | 12.4 | 1mm | 9.5 |
| Mar | 24.8 | 12.2 | 10mm | 10.0 |
| Apr | 17.0 | 8.6 | 36mm | 4.6 |
| May | 15.9 | 7.1 | 20mm | 4.0 |
| Jun | 11.9 | 4.5 | 30mm | 1.0 |
| Jul | 11.8 | 4.6 | 74mm | 1.0 |
| Aug | 15.3 | 7.4 | 74mm | 2.7 |
| Sep | 14.4 | 7.3 | 67mm | 2.0 |
| Oct | 18.4 | 8.2 | 70mm | 6.3 |
| Nov | 22.1 | 10.4 | 66mm | 9.1 |
| Dec | 24.7 | 11.8 | 36mm | 10.0 |