January in Comillas: mixed conditions, plan around the weather
Trade-offs · 5.9/10Expect 10°C (49°F) in January. A good month for city streets, viewpoints and long meals; leave swimming for another season.
136 mm of rain signals a properly wet month, with only about 19 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 5.9/10 on the same scale — 10th of 12 months, versus 8.9/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
If your dates are flexible, August is materially better in Comillas — 3 points higher on the same scale.
February holds up well in Comillas — 9th best month
Good · 7.1/10Expect 11°C (51°F) in February. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 88 mm of rain this month — a flexible day or two helps — with about 20 days with 6+ hours of sunshine and 10.5 hours of daylight to work around it.
That is 7.1/10 on the same scale — 9th of 12 months, versus 8.9/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
If your dates are flexible, August is materially better in Comillas — 1.8 points higher on the same scale.
March in Comillas: strong conditions, 8th of 12
Good · 7.2/10March averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Monthly rainfall reaches 110 mm — wet for this destination — but about 24 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.2/10 here, 8th of 12 months, against 8.9/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
Flexible dates? August scores 1.7 points higher here — enough to change the trip.
April in Comillas: strong conditions, 4th of 12
Good · 7.9/10Temperatures hover around 13°C (55°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 85 mm of rain this month — a flexible day or two helps — with about 24 days with 6+ hours of sunshine and 13.4 hours of daylight to work around it.
That is 7.9/10 on the same scale — 4th of 12 months, versus 8.9/10 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, a packable rain layer.
May in Comillas: strong conditions, 5th of 12
Good · 7.9/10May averages 15°C (59°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 94 mm, so plan one flexible day in three; you still get about 26 days with 6+ hours of sunshine and 14.7 hours of daylight.
It scores 7.9/10 here, 5th of 12 months, against 8.9/10 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, a packable rain layer.
June holds up well in Comillas — 3rd best month
Good · 8/10Temperatures hover around 18°C (65°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 86 mm of rain this month — a flexible day or two helps — with about 23 days with 6+ hours of sunshine and 15.3 hours of daylight to work around it.
That is 8/10 on the same scale — 3rd of 12 months, versus 8.9/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
July in Comillas — one of the year's strongest windows (2nd)
Best window · 8.8/10At 20°C (68°F) this is comfortable city weather in July, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 57 mm of rain this month — a flexible day or two helps — with about 26 days with 6+ hours of sunshine and 15 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Comillas at 8.8/10 (2nd of 12), just behind August at 8.9/10.
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, a hat and real sun protection, a packable rain layer.
August: the best month of the year in Comillas
Best window · 8.9/10August averages 21°C (69°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 53 mm, so plan one flexible day in three; you still get about 26 days with 6+ hours of sunshine and 13.9 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Comillas at 8.9/10 — 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, a hat and real sun protection, a packable rain layer.
September in Comillas — reliably good (6th best month)
Good · 7.9/10September averages 19°C (66°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 99 mm, so plan one flexible day in three; you still get about 25 days with 6+ hours of sunshine and 12.5 hours of daylight.
It scores 7.9/10 here, 6th of 12 months, against 8.9/10 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.
October holds up well in Comillas — 7th best month
Good · 7.8/10Temperatures hover around 17°C (63°F) — the kind of month where neither heat nor cold forces the schedule.
100 mm of rain makes this a wet month here, though with about 22 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.8/10 on the same scale — 7th of 12 months, versus 8.9/10 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, a proper rain shell rather than an umbrella.
November in Comillas: mixed conditions, plan around the weather
Trade-offs · 5.9/10Temperatures hover around 13°C (56°F) — the kind of month where neither heat nor cold forces the schedule.
188 mm of rain signals a properly wet month, with only about 17 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 5.9/10 on the same scale — 11th of 12 months, versus 8.9/10 for the best month here.
Expect 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, August is materially better in Comillas — 3 points higher on the same scale.
December in Comillas — middling scores, decent value
Trade-offs · 5.9/10December averages 11°C (52°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 139 mm this is a genuinely wet month: about 17 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 5.9/10 here, 12th of 12 months, against 8.9/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
Flexible dates? August scores 3 points higher here — enough to change the trip.
