January · Greece
Best time to visit Kythnos in January Weather, crowds & prices
Weather in Kythnos in January
Average temperature 13°C, 76 mm of rain, about 0 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
January score
2.2/10
Ranked #12 of 12 months
- Avg temp
- 13°C
- Rainfall
- 76 mm
- Humidity
- 75%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
January in Kythnos scores 2.2/10 for beach and coastal travel - ranked #12 of 12. Expect around 13°C, 76 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Kythnos keeps dry stone walls, a divided hilltop capital and the sandy sandbar at Kolona in the western Cyclades.
January in Kythnos — the hardest end of the year
Temperatures hover around 13°C (56°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 76 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 9.7 hours of daylight to work around it.
That is 2.2/10 on the same scale — 12th of 12 months, versus 9.9/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, June is materially better in Kythnos — 7.7 points higher on the same scale.
Frequently asked
- What is the weather like in Kythnos in January?
- In January, Kythnos averages 13°C, 76 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 2.2/10.
- Is January a good time to visit Kythnos?
- January earns a 2.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Kythnos in January?
- Expect about 76 mm of rain in January. Average humidity is 75% and there are about 0 days with 6+ hours of sunshine.
Curated in Kythnos
Tickets & experiences
Things to do in Kythnos
Kythnos, Greece. Live activities and tours from GetYourGuide, matched to this destination.