January in Nisyros: expect compromises
Hardest · 4.6/10January averages 14°C (57°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Monthly rainfall reaches 125 mm — wet for this destination — but about 26 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 4.6/10 here, 11th of 12 months, against 9.8/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Flexible dates? July scores 5.2 points higher here — enough to change the trip.
February in Nisyros — middling scores, decent value
Trade-offs · 5.7/10February averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 61 mm, so plan one flexible day in three; you still get about 26 days with 6+ hours of sunshine and 10.9 hours of daylight.
It scores 5.7/10 here, 10th of 12 months, against 9.8/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Flexible dates? July scores 4.1 points higher here — enough to change the trip.
March in Nisyros — workable with trade-offs
Trade-offs · 6.2/10Temperatures hover around 14°C (56°F) — the kind of month where neither heat nor cold forces the schedule.
With around 39 mm of rain, any showers tend to pass through rather than settle in; about 29 days with 6+ hours of sunshine and 12 hours of daylight fill the rest.
That is 6.2/10 on the same scale — 9th of 12 months, versus 9.8/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack layers you can shed by midday plus one warm layer for the evening.
If your dates are flexible, July is materially better in Nisyros — 3.6 points higher on the same scale.
April in Nisyros — workable with trade-offs
Trade-offs · 6.6/10April averages 16°C (60°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Expect 29 mm of rain — occasional showers rather than washed-out days — alongside about 29 days with 6+ hours of sunshine and 13.1 daylight hours.
It scores 6.6/10 here, 8th of 12 months, against 9.8/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening.
Flexible dates? July scores 3.2 points higher here — enough to change the trip.
May in Nisyros: strong conditions, 6th of 12
Good · 7.6/10Temperatures hover around 18°C (65°F) — the kind of month where neither heat nor cold forces the schedule.
At just 13 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 14.1 hours of daylight.
That is 7.6/10 on the same scale — 6th of 12 months, versus 9.8/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening.
If your dates are flexible, July is materially better in Nisyros — 2.2 points higher on the same scale.
June in Nisyros — one of the year's strongest windows (4th)
Best window · 9.4/10June averages 22°C (72°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rain is a non-issue at 6 mm for the month, with about 30 days with 6+ hours of sunshine and 14.6 hours of daylight to work with.
A 9.4/10 puts this among the year's best months in Nisyros (4th of 12); only July scores higher, at 9.8/10.
Figure on mid-season pricing, with crowds are moderate.
Pack light clothing, swimwear and real sun protection.
July: the best month of the year in Nisyros
Best window · 9.8/10July averages 25°C (76°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rain is a non-issue at 0 mm for the month, with about 31 days with 6+ hours of sunshine and 14.4 hours of daylight to work with.
On our climate-comfort scale this is the top-ranked month of the year for Nisyros at 9.8/10 — the reference point every other month on this page is measured against.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, swimwear and real sun protection.
August ranks 2nd of 12 for Nisyros — one of the best windows
Best window · 9.8/10With 25°C (77°F) on average, August delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
At just 1 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 13.5 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for Nisyros at 9.8/10 (2nd of 12), just behind July at 9.8/10.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, swimwear and real sun protection.
September in Nisyros — one of the year's strongest windows (3rd)
Best window · 9.8/10With 24°C (74°F) on average, September delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
At just 4 mm for the month, rain will not shape your plans; you get about 30 days with 6+ hours of sunshine and 12.4 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for Nisyros at 9.8/10 (3rd of 12), just behind July at 9.8/10.
Budget for peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, swimwear and real sun protection.
October in Nisyros — one of the year's strongest windows (5th)
Best window · 8.9/10October averages 21°C (69°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 25 mm of rain — occasional showers rather than washed-out days — alongside about 30 days with 6+ hours of sunshine and 11.2 daylight hours.
A 8.9/10 puts this among the year's best months in Nisyros (5th of 12); only July scores higher, at 9.8/10.
Figure on mid-season pricing, with crowds are moderate.
Pack light clothing, swimwear and real sun protection.
November in Nisyros — middling scores, decent value
Trade-offs · 6.7/10November averages 19°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 89 mm, so plan one flexible day in three; you still get about 28 days with 6+ hours of sunshine and 10.2 hours of daylight.
It scores 6.7/10 here, 7th of 12 months, against 9.8/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Flexible dates? July scores 3.1 points higher here — enough to change the trip.
December in Nisyros — the hardest end of the year
Hardest · 4.6/10Temperatures hover around 16°C (60°F) — the kind of month where neither heat nor cold forces the schedule.
149 mm of rain makes this a wet month here, though with about 27 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 4.6/10 on the same scale — 12th of 12 months, versus 9.8/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
If your dates are flexible, July is materially better in Nisyros — 5.2 points higher on the same scale.
