January in Cologne — the hardest end of the year
Hardest · 4.3/10January averages 4°C (38°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 98 mm, so plan one flexible day in three; you still get about 8 sunny days and 8.5 hours of daylight.
It scores 4.3/10 here, 12th of 12 months, against 8.9/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
If your dates are flexible, August is materially better in Cologne — 4.6 points higher on the same scale.
February in Cologne — workable with trade-offs
Trade-offs · 6.2/10February averages 6°C (42°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 61 mm, so plan one flexible day in three; you still get about 14 sunny days and 10 hours of daylight.
It scores 6.2/10 here, 9th of 12 months, against 8.9/10 in the destination's best month.
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 Cologne — 2.7 points higher on the same scale.
March in Cologne — reliably good (7th best month)
Good · 7.2/10March averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 69 mm, so plan one flexible day in three; you still get about 21 sunny days and 11.9 hours of daylight.
It scores 7.2/10 here, 7th of 12 months, against 8.9/10 in the destination's best month.
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 Cologne — 1.7 points higher on the same scale.
April in Cologne — reliably good (6th best month)
Good · 7.8/10April averages 10°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 72 mm, so plan one flexible day in three; you still get about 22 sunny days and 13.9 hours of daylight.
It scores 7.8/10 here, 6th of 12 months, against 8.9/10 in the destination's best month.
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.
May in Cologne — the year's strongest window
Best window · 8.6/10May averages 15°C (58°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 78 mm, so plan one flexible day in three; you still get about 28 sunny days and 15.6 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Cologne at 8.6/10 — the reference point every other month on this page is measured against.
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.
June in Cologne — the year's strongest window
Best window · 8.6/10June averages 19°C (67°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 91 mm, so plan one flexible day in three; you still get about 27 sunny days and 16.5 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Cologne at 8.6/10 — the reference point every other month on this page is measured against.
Expect mid-season pricing, and crowds are moderate.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
July in Cologne — reliably good (4th best month)
Good · 8.1/10July averages 19°C (67°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
At 114 mm this is a genuinely wet month: about 27 sunny days in total, and outdoor plans need an indoor fallback.
It scores 8.1/10 here, 4th of 12 months, against 8.9/10 in the destination's best month.
Expect peak pricing, and this is one of the busiest months here.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
August in Cologne — the year's strongest window
Best window · 8.9/10August averages 20°C (68°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 69 mm, so plan one flexible day in three; you still get about 28 sunny days and 14.5 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Cologne at 8.9/10 — the reference point every other month on this page is measured against.
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, a packable rain layer.
September in Cologne — reliably good (5th best month)
Good · 8/10September averages 17°C (62°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 100 mm, so plan one flexible day in three; you still get about 26 sunny days and 12.6 hours of daylight.
It scores 8/10 here, 5th of 12 months, against 8.9/10 in the destination's best month.
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.
October in Cologne — reliably good (8th best month)
Good · 7.2/10October 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 81 mm, so plan one flexible day in three; you still get about 17 sunny days and 10.7 hours of daylight.
It scores 7.2/10 here, 8th of 12 months, against 8.9/10 in the destination's best month.
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.
If your dates are flexible, August is materially better in Cologne — 1.7 points higher on the same scale.
November in Cologne — workable with trade-offs
Trade-offs · 5.5/10November averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 84 mm, so plan one flexible day in three; you still get about 11 sunny days and 8.9 hours of daylight.
It scores 5.5/10 here, 10th of 12 months, against 8.9/10 in the destination's best month.
Expect 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 packable rain layer.
If your dates are flexible, August is materially better in Cologne — 3.4 points higher on the same scale.
December in Cologne — the hardest end of the year
Hardest · 4.6/10December averages 5°C (41°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 86 mm, so plan one flexible day in three; you still get about 7 sunny days and 8 hours of daylight.
It scores 4.6/10 here, 11th of 12 months, against 8.9/10 in the destination's best month.
Expect mid-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 packable rain layer.
If your dates are flexible, August is materially better in Cologne — 4.3 points higher on the same scale.
